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29 Iulie 2023, 18:59
c++20
E.C.

fail

Mesaj compilare

        main.cpp:1:1: error: ‘VLAIQ’ does not name a type
    1 | VLAIQ
      | ^~~~~
In file included from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/postypes.h:98:11: error: ‘ptrdiff_t’ does not name a type
   98 |   typedef ptrdiff_t     streamsize; // Signed integral type
      |           ^~~~~~~~~
/usr/include/c++/11/bits/postypes.h:41:1: note: ‘ptrdiff_t’ is defined in header ‘<cstddef>’; did you forget to ‘#include <cstddef>’?
   40 | #include <cwchar> // For mbstate_t
  +++ |+#include <cstddef>
   41 | 
In file included from /usr/include/c++/11/bits/exception_ptr.h:40,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/new:126:26: error: declaration of ‘operator new’ as non-function
  126 | _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
      |                          ^~~~~~~~
/usr/include/c++/11/new:126:44: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
  126 | _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
      |                                            ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/bits/exception_ptr.h:40,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/new:127:41: error: attributes after parenthesized initializer ignored [-fpermissive]
  127 |   __attribute__((__externally_visible__));
      |                                         ^
/usr/include/c++/11/new:128:26: error: declaration of ‘operator new []’ as non-function
  128 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
      |                          ^~~~~~~~
/usr/include/c++/11/new:128:46: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
  128 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
      |                                              ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/bits/exception_ptr.h:40,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/new:129:41: error: attributes after parenthesized initializer ignored [-fpermissive]
  129 |   __attribute__((__externally_visible__));
      |                                         ^
/usr/include/c++/11/new:135:29: error: ‘std::size_t’ has not been declared
  135 | void operator delete(void*, std::size_t) _GLIBCXX_USE_NOEXCEPT
      |                             ^~~
/usr/include/c++/11/new:137:31: error: ‘std::size_t’ has not been declared
  137 | void operator delete[](void*, std::size_t) _GLIBCXX_USE_NOEXCEPT
      |                               ^~~
/usr/include/c++/11/new:140:26: error: declaration of ‘operator new’ as non-function
  140 | _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
      |                          ^~~~~~~~
/usr/include/c++/11/new:140:44: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
  140 | _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
      |                                            ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/bits/exception_ptr.h:40,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/new:140:52: error: expected primary-expression before ‘const’
  140 | _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
      |                                                    ^~~~~
/usr/include/c++/11/new:142:26: error: declaration of ‘operator new []’ as non-function
  142 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
      |                          ^~~~~~~~
/usr/include/c++/11/new:142:46: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
  142 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
      |                                              ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/bits/exception_ptr.h:40,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/new:142:54: error: expected primary-expression before ‘const’
  142 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
      |                                                      ^~~~~
/usr/include/c++/11/new:149:26: error: declaration of ‘operator new’ as non-function
  149 | _GLIBCXX_NODISCARD void* operator new(std::size_t, std::align_val_t)
      |                          ^~~~~~~~
/usr/include/c++/11/new:149:44: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
  149 | _GLIBCXX_NODISCARD void* operator new(std::size_t, std::align_val_t)
      |                                            ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/bits/exception_ptr.h:40,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/new:149:68: error: expected primary-expression before ‘)’ token
  149 | _GLIBCXX_NODISCARD void* operator new(std::size_t, std::align_val_t)
      |                                                                    ^
/usr/include/c++/11/new:150:73: error: attributes after parenthesized initializer ignored [-fpermissive]
  150 |   __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__));
      |                                                                         ^
/usr/include/c++/11/new:151:26: error: declaration of ‘operator new’ as non-function
  151 | _GLIBCXX_NODISCARD void* operator new(std::size_t, std::align_val_t, const std::nothrow_t&)
      |                          ^~~~~~~~
/usr/include/c++/11/new:151:44: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
  151 | _GLIBCXX_NODISCARD void* operator new(std::size_t, std::align_val_t, const std::nothrow_t&)
      |                                            ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/bits/exception_ptr.h:40,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/new:151:68: error: expected primary-expression before ‘,’ token
  151 | _GLIBCXX_NODISCARD void* operator new(std::size_t, std::align_val_t, const std::nothrow_t&)
      |                                                                    ^
/usr/include/c++/11/new:151:70: error: expected primary-expression before ‘const’
  151 | _GLIBCXX_NODISCARD void* operator new(std::size_t, std::align_val_t, const std::nothrow_t&)
      |                                                                      ^~~~~
/usr/include/c++/11/new:157:26: error: declaration of ‘operator new []’ as non-function
  157 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, std::align_val_t)
      |                          ^~~~~~~~
/usr/include/c++/11/new:157:46: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
  157 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, std::align_val_t)
      |                                              ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/bits/exception_ptr.h:40,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/new:157:70: error: expected primary-expression before ‘)’ token
  157 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, std::align_val_t)
      |                                                                      ^
/usr/include/c++/11/new:158:73: error: attributes after parenthesized initializer ignored [-fpermissive]
  158 |   __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__));
      |                                                                         ^
/usr/include/c++/11/new:159:26: error: declaration of ‘operator new []’ as non-function
  159 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, std::align_val_t, const std::nothrow_t&)
      |                          ^~~~~~~~
/usr/include/c++/11/new:159:46: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
  159 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, std::align_val_t, const std::nothrow_t&)
      |                                              ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/bits/exception_ptr.h:40,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/new:159:70: error: expected primary-expression before ‘,’ token
  159 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, std::align_val_t, const std::nothrow_t&)
      |                                                                      ^
/usr/include/c++/11/new:159:72: error: expected primary-expression before ‘const’
  159 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, std::align_val_t, const std::nothrow_t&)
      |                                                                        ^~~~~
/usr/include/c++/11/new:166:29: error: ‘std::size_t’ has not been declared
  166 | void operator delete(void*, std::size_t, std::align_val_t)
      |                             ^~~
/usr/include/c++/11/new:168:31: error: ‘std::size_t’ has not been declared
  168 | void operator delete[](void*, std::size_t, std::align_val_t)
      |                               ^~~
/usr/include/c++/11/new:174:33: error: declaration of ‘operator new’ as non-function
  174 | _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
      |                                 ^~~~~~~~
/usr/include/c++/11/new:174:51: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
  174 | _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
      |                                                   ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/bits/exception_ptr.h:40,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/new:174:59: error: expected primary-expression before ‘void’
  174 | _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
      |                                                           ^~~~
/usr/include/c++/11/new:176:33: error: declaration of ‘operator new []’ as non-function
  176 | _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
      |                                 ^~~~~~~~
/usr/include/c++/11/new:176:53: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
  176 | _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
      |                                                     ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/bits/exception_ptr.h:40,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/new:176:61: error: expected primary-expression before ‘void’
  176 | _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
      |                                                             ^~~~
In file included from /usr/include/c++/11/bits/move.h:57,
                 from /usr/include/c++/11/bits/exception_ptr.h:43,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/type_traits:431:26: error: ‘std::size_t’ has not been declared
  431 |   template<typename _Tp, std::size_t _Size>
      |                          ^~~
/usr/include/c++/11/type_traits:432:25: error: ‘_Size’ was not declared in this scope
  432 |     struct is_array<_Tp[_Size]>
      |                         ^~~~~
/usr/include/c++/11/type_traits:432:31: error: template argument 1 is invalid
  432 |     struct is_array<_Tp[_Size]>
      |                               ^
/usr/include/c++/11/type_traits:537:42: error: ‘nullptr_t’ is not a member of ‘std’; did you mean ‘nullptr_t’?
  537 |     struct __is_null_pointer_helper<std::nullptr_t>
      |                                          ^~~~~~~~~
In file included from /usr/include/c++/11/bits/cxxabi_init_exception.h:38,
                 from /usr/include/c++/11/bits/exception_ptr.h:38,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:433:29: note: ‘nullptr_t’ declared here
  433 |   typedef decltype(nullptr) nullptr_t;
      |                             ^~~~~~~~~
In file included from /usr/include/c++/11/bits/move.h:57,
                 from /usr/include/c++/11/bits/exception_ptr.h:43,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/type_traits:537:51: error: template argument 1 is invalid
  537 |     struct __is_null_pointer_helper<std::nullptr_t>
      |                                                   ^
/usr/include/c++/11/type_traits:1361:37: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
 1361 |     : public integral_constant<std::size_t, alignof(_Tp)>
      |                                     ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/bits/move.h:57,
                 from /usr/include/c++/11/bits/exception_ptr.h:43,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/type_traits:1361:57: error: template argument 1 is invalid
 1361 |     : public integral_constant<std::size_t, alignof(_Tp)>
      |                                                         ^
/usr/include/c++/11/type_traits:1370:37: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
 1370 |     : public integral_constant<std::size_t, 0> { };
      |                                     ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/bits/move.h:57,
                 from /usr/include/c++/11/bits/exception_ptr.h:43,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/type_traits:1370:46: error: template argument 1 is invalid
 1370 |     : public integral_constant<std::size_t, 0> { };
      |                                              ^
/usr/include/c++/11/type_traits:1372:26: error: ‘std::size_t’ has not been declared
 1372 |   template<typename _Tp, std::size_t _Size>
      |                          ^~~
/usr/include/c++/11/type_traits:1373:21: error: ‘_Size’ was not declared in this scope
 1373 |     struct rank<_Tp[_Size]>
      |                     ^~~~~
/usr/include/c++/11/type_traits:1373:27: error: template argument 1 is invalid
 1373 |     struct rank<_Tp[_Size]>
      |                           ^
/usr/include/c++/11/type_traits:1374:37: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
 1374 |     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
      |                                     ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/bits/move.h:57,
                 from /usr/include/c++/11/bits/exception_ptr.h:43,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/type_traits:1374:65: error: template argument 1 is invalid
 1374 |     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
      |                                                                 ^
/usr/include/c++/11/type_traits:1378:37: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
 1378 |     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
      |                                     ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/bits/move.h:57,
                 from /usr/include/c++/11/bits/exception_ptr.h:43,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/type_traits:1378:65: error: template argument 1 is invalid
 1378 |     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
      |                                                                 ^
/usr/include/c++/11/type_traits:1383:37: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
 1383 |     : public integral_constant<std::size_t, 0> { };
      |                                     ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/bits/move.h:57,
                 from /usr/include/c++/11/bits/exception_ptr.h:43,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/type_traits:1383:46: error: template argument 1 is invalid
 1383 |     : public integral_constant<std::size_t, 0> { };
      |                                              ^
/usr/include/c++/11/type_traits:1385:42: error: ‘std::size_t’ has not been declared
 1385 |   template<typename _Tp, unsigned _Uint, std::size_t _Size>
      |                                          ^~~
/usr/include/c++/11/type_traits:1386:23: error: ‘_Size’ was not declared in this scope
 1386 |     struct extent<_Tp[_Size], _Uint>
      |                       ^~~~~
/usr/include/c++/11/type_traits:1386:36: error: template argument 1 is invalid
 1386 |     struct extent<_Tp[_Size], _Uint>
      |                                    ^
/usr/include/c++/11/type_traits:1387:37: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
 1387 |     : public integral_constant<std::size_t,
      |                                     ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/bits/move.h:57,
                 from /usr/include/c++/11/bits/exception_ptr.h:43,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/type_traits:1388:45: error: ‘_Size’ was not declared in this scope
 1388 |                                _Uint == 0 ? _Size : extent<_Tp,
      |                                             ^~~~~
/usr/include/c++/11/type_traits:1389:77: error: template argument 1 is invalid
 1389 |                                                            _Uint - 1>::value>
      |                                                                             ^
/usr/include/c++/11/type_traits:1394:37: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
 1394 |     : public integral_constant<std::size_t,
      |                                     ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/bits/move.h:57,
                 from /usr/include/c++/11/bits/exception_ptr.h:43,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/type_traits:1396:73: error: template argument 1 is invalid
 1396 |                                                        _Uint - 1>::value>
      |                                                                         ^
/usr/include/c++/11/type_traits:1990:26: error: ‘std::size_t’ has not been declared
 1990 |   template<typename _Tp, std::size_t _Size>
      |                          ^~~
/usr/include/c++/11/type_traits:1991:30: error: ‘_Size’ was not declared in this scope
 1991 |     struct remove_extent<_Tp[_Size]>
      |                              ^~~~~
/usr/include/c++/11/type_traits:1991:36: error: template argument 1 is invalid
 1991 |     struct remove_extent<_Tp[_Size]>
      |                                    ^
/usr/include/c++/11/type_traits:2003:26: error: ‘std::size_t’ has not been declared
 2003 |   template<typename _Tp, std::size_t _Size>
      |                          ^~~
/usr/include/c++/11/type_traits:2004:35: error: ‘_Size’ was not declared in this scope
 2004 |     struct remove_all_extents<_Tp[_Size]>
      |                                   ^~~~~
/usr/include/c++/11/type_traits:2004:41: error: template argument 1 is invalid
 2004 |     struct remove_all_extents<_Tp[_Size]>
      |                                         ^
/usr/include/c++/11/type_traits:2062:12: error: ‘std::size_t’ has not been declared
 2062 |   template<std::size_t _Len>
      |            ^~~
/usr/include/c++/11/type_traits:2067:30: error: ‘_Len’ was not declared in this scope
 2067 |         unsigned char __data[_Len];
      |                              ^~~~
/usr/include/c++/11/type_traits:2082:12: error: ‘std::size_t’ has not been declared
 2082 |   template<std::size_t _Len, std::size_t _Align =
      |            ^~~
/usr/include/c++/11/type_traits:2082:30: error: ‘std::size_t’ has not been declared
 2082 |   template<std::size_t _Len, std::size_t _Align =
      |                              ^~~
/usr/include/c++/11/type_traits:2083:55: error: ‘_Len’ was not declared in this scope
 2083 |            __alignof__(typename __aligned_storage_msa<_Len>::__type)>
      |                                                       ^~~~
/usr/include/c++/11/type_traits:2083:59: error: template argument 1 is invalid
 2083 |            __alignof__(typename __aligned_storage_msa<_Len>::__type)>
      |                                                           ^
/usr/include/c++/11/type_traits:2088:30: error: ‘_Len’ was not declared in this scope
 2088 |         unsigned char __data[_Len];
      |                              ^~~~
/usr/include/c++/11/type_traits:2089:44: error: ‘_Align’ was not declared in this scope
 2089 |         struct __attribute__((__aligned__((_Align)))) { } __align;
      |                                            ^~~~~~
In file included from /usr/include/c++/11/bits/stl_algobase.h:62,
                 from /usr/include/c++/11/bits/char_traits.h:39,
                 from /usr/include/c++/11/ios:40,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/type_traits.h:162:35: error: ‘bool __gnu_cxx::__is_null_pointer’ redeclared as different kind of entity
  162 |   __is_null_pointer(std::nullptr_t)
      |                                   ^
/usr/include/c++/11/ext/type_traits.h:157:5: note: previous declaration ‘template<class _Type> bool __gnu_cxx::__is_null_pointer(_Type)’
  157 |     __is_null_pointer(_Type)
      |     ^~~~~~~~~~~~~~~~~
/usr/include/c++/11/ext/type_traits.h:162:26: error: ‘nullptr_t’ is not a member of ‘std’; did you mean ‘nullptr_t’?
  162 |   __is_null_pointer(std::nullptr_t)
      |                          ^~~~~~~~~
In file included from /usr/include/c++/11/bits/cxxabi_init_exception.h:38,
                 from /usr/include/c++/11/bits/exception_ptr.h:38,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:433:29: note: ‘nullptr_t’ declared here
  433 |   typedef decltype(nullptr) nullptr_t;
      |                             ^~~~~~~~~
In file included from /usr/include/c++/11/ios:40,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/char_traits.h:114:61: error: ‘std::size_t’ has not been declared
  114 |       compare(const char_type* __s1, const char_type* __s2, std::size_t __n);
      |                                                             ^~~
/usr/include/c++/11/bits/char_traits.h:116:40: error: ‘size_t’ in namespace ‘std’ does not name a type
  116 |       static _GLIBCXX14_CONSTEXPR std::size_t
      |                                        ^~~~~~
/usr/include/c++/11/bits/char_traits.h:120:34: error: ‘std::size_t’ has not been declared
  120 |       find(const char_type* __s, std::size_t __n, const char_type& __a);
      |                                  ^~~
/usr/include/c++/11/bits/char_traits.h:123:52: error: ‘std::size_t’ has not been declared
  123 |       move(char_type* __s1, const char_type* __s2, std::size_t __n);
      |                                                    ^~~
/usr/include/c++/11/bits/char_traits.h:126:52: error: ‘std::size_t’ has not been declared
  126 |       copy(char_type* __s1, const char_type* __s2, std::size_t __n);
      |                                                    ^~~
/usr/include/c++/11/bits/char_traits.h:129:30: error: ‘std::size_t’ has not been declared
  129 |       assign(char_type* __s, std::size_t __n, char_type __a);
      |                              ^~~
/usr/include/c++/11/bits/char_traits.h:155:59: error: ‘std::size_t’ has not been declared
  155 |     compare(const char_type* __s1, const char_type* __s2, std::size_t __n)
      |                                                           ^~~
/usr/include/c++/11/bits/char_traits.h: In static member function ‘static constexpr int __gnu_cxx::char_traits<_CharT>::compare(const char_type*, const char_type*, int)’:
/usr/include/c++/11/bits/char_traits.h:157:17: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
  157 |       for (std::size_t __i = 0; __i < __n; ++__i)
      |                 ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/ios:40,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/char_traits.h:157:33: error: ‘__i’ was not declared in this scope; did you mean ‘__n’?
  157 |       for (std::size_t __i = 0; __i < __n; ++__i)
      |                                 ^~~
      |                                 __n
/usr/include/c++/11/bits/char_traits.h: At global scope:
/usr/include/c++/11/bits/char_traits.h:166:31: error: ‘size_t’ in namespace ‘std’ does not name a type
  166 |     _GLIBCXX14_CONSTEXPR std::size_t
      |                               ^~~~~~
/usr/include/c++/11/bits/char_traits.h:179:32: error: ‘std::size_t’ has not been declared
  179 |     find(const char_type* __s, std::size_t __n, const char_type& __a)
      |                                ^~~
/usr/include/c++/11/bits/char_traits.h: In static member function ‘static constexpr const char_type* __gnu_cxx::char_traits<_CharT>::find(const char_type*, int, const char_type&)’:
/usr/include/c++/11/bits/char_traits.h:181:17: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
  181 |       for (std::size_t __i = 0; __i < __n; ++__i)
      |                 ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/ios:40,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/char_traits.h:181:33: error: ‘__i’ was not declared in this scope; did you mean ‘__s’?
  181 |       for (std::size_t __i = 0; __i < __n; ++__i)
      |                                 ^~~
      |                                 __s
/usr/include/c++/11/bits/char_traits.h: At global scope:
/usr/include/c++/11/bits/char_traits.h:191:50: error: ‘std::size_t’ has not been declared
  191 |     move(char_type* __s1, const char_type* __s2, std::size_t __n)
      |                                                  ^~~
/usr/include/c++/11/bits/char_traits.h:241:50: error: ‘std::size_t’ has not been declared
  241 |     copy(char_type* __s1, const char_type* __s2, std::size_t __n)
      |                                                  ^~~
/usr/include/c++/11/bits/char_traits.h:252:28: error: ‘std::size_t’ has not been declared
  252 |     assign(char_type* __s, std::size_t __n, char_type __a)
      |                            ^~~
/usr/include/c++/11/bits/char_traits.h: In static member function ‘static constexpr size_t std::char_traits<char>::length(const char_type*)’:
/usr/include/c++/11/bits/char_traits.h:397:53: error: ‘length’ is not a member of ‘__gnu_cxx::char_traits<char>’
  397 |           return __gnu_cxx::char_traits<char_type>::length(__s);
      |                                                     ^~~~~~
/usr/include/c++/11/bits/char_traits.h: In static member function ‘static constexpr size_t std::char_traits<wchar_t>::length(const char_type*)’:
/usr/include/c++/11/bits/char_traits.h:521:53: error: ‘length’ is not a member of ‘__gnu_cxx::char_traits<wchar_t>’
  521 |           return __gnu_cxx::char_traits<char_type>::length(__s);
      |                                                     ^~~~~~
/usr/include/c++/11/bits/char_traits.h:523:22: error: call to non-‘constexpr’ function ‘size_t wcslen(const wchar_t*)’
  523 |         return wcslen(__s);
      |                ~~~~~~^~~~~
In file included from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/wchar.h:223:15: note: ‘size_t wcslen(const wchar_t*)’ declared here
  223 | extern size_t wcslen (const wchar_t *__s) __THROW __attribute_pure__;
      |               ^~~~~~
In file included from /usr/include/c++/11/ios:40,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/char_traits.h: In static member function ‘static constexpr size_t std::char_traits<char8_t>::length(const char_type*)’:
/usr/include/c++/11/bits/char_traits.h:642:53: error: ‘length’ is not a member of ‘__gnu_cxx::char_traits<char8_t>’
  642 |           return __gnu_cxx::char_traits<char_type>::length(__s);
      |                                                     ^~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/c++allocator.h:33,
                 from /usr/include/c++/11/bits/allocator.h:46,
                 from /usr/include/c++/11/string:41,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/new_allocator.h: At global scope:
/usr/include/c++/11/ext/new_allocator.h:59:20: error: ‘size_t’ in namespace ‘std’ does not name a type
   59 |       typedef std::size_t     size_type;
      |                    ^~~~~~
/usr/include/c++/11/ext/new_allocator.h:60:20: error: ‘ptrdiff_t’ in namespace ‘std’ does not name a type
   60 |       typedef std::ptrdiff_t  difference_type;
      |                    ^~~~~~~~~
/usr/include/c++/11/ext/new_allocator.h:103:16: error: ‘size_type’ has not been declared
  103 |       allocate(size_type __n, const void* = static_cast<const void*>(0))
      |                ^~~~~~~~~
/usr/include/c++/11/ext/new_allocator.h:132:28: error: ‘size_type’ has not been declared
  132 |       deallocate(_Tp* __p, size_type __t __attribute__ ((__unused__)))
      |                            ^~~~~~~~~
/usr/include/c++/11/ext/new_allocator.h:196:26: error: ‘size_type’ does not name a type; did you mean ‘size_t’?
  196 |       _GLIBCXX_CONSTEXPR size_type
      |                          ^~~~~~~~~
      |                          size_t
/usr/include/c++/11/ext/new_allocator.h: In member function ‘_Tp* __gnu_cxx::new_allocator<_Tp>::allocate(int, const void*)’:
/usr/include/c++/11/ext/new_allocator.h:115:29: error: ‘size_t’ is not a member of ‘std’; did you mean ‘size_t’?
  115 |             if (__n > (std::size_t(-1) / sizeof(_Tp)))
      |                             ^~~~~~
In file included from /usr/include/wchar.h:35,
                 from /usr/include/c++/11/cwchar:44,
                 from /usr/include/c++/11/bits/postypes.h:40,
                 from /usr/include/c++/11/iosfwd:40,
                 from /usr/include/c++/11/ios:38,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/lib/gcc/x86_64-linux-gnu/11/include/stddef.h:209:23: note: ‘size_t’ declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/11/string:44,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/ostream_insert.h: At global scope:
/usr/include/c++/11/bits/ostream_insert.h:46:40: error: ‘streamsize’ has not been declared
   46 |                     const _CharT* __s, streamsize __n)
      |                                        ^~~~~~~~~~
/usr/include/c++/11/bits/ostream_insert.h: In function ‘void std::__ostream_write(std::basic_ostream<_CharT, _Traits>&, const _CharT*, int)’:
/usr/include/c++/11/bits/ostream_insert.h:51:13: error: ‘streamsize’ does not name a type
   51 |       const streamsize __put = __out.rdbuf()->sputn(__s, __n);
      |             ^~~~~~~~~~
/usr/include/c++/11/bits/ostream_insert.h:52:11: error: ‘__put’ was not declared in this scope; did you mean ‘__out’?
   52 |       if (__put != __n)
      |           ^~~~~
      |           __out
/usr/include/c++/11/bits/ostream_insert.h: At global scope:
/usr/include/c++/11/bits/ostream_insert.h:58:59: error: ‘streamsize’ has not been declared
   58 |     __ostream_fill(basic_ostream<_CharT, _Traits>& __out, streamsize __n)
      |                                                           ^~~~~~~~~~
/usr/include/c++/11/bits/ostream_insert.h:78:41: error: ‘streamsize’ has not been declared
   78 |                      const _CharT* __s, streamsize __n)
      |                                         ^~~~~~~~~~
/usr/include/c++/11/bits/ostream_insert.h: In function ‘std::basic_ostream<_CharT, _Traits>& std::__ostream_insert(std::basic_ostream<_CharT, _Traits>&, const _CharT*, int)’:
/usr/include/c++/11/bits/ostream_insert.h:88:21: error: ‘streamsize’ does not name a type
   88 |               const streamsize __w = __out.width();
      |                     ^~~~~~~~~~
/usr/include/c++/11/bits/ostream_insert.h:89:19: error: ‘__w’ was not declared in this scope; did you mean ‘__s’?
   89 |               if (__w > __n)
      |                   ^~~
      |                   __s
/usr/include/c++/11/bits/ostream_insert.h: At global scope:
/usr/include/c++/11/bits/ostream_insert.h:119:68: error: ‘streamsize’ has not been declared
  119 |   extern template ostream& __ostream_insert(ostream&, const char*, streamsize);
      |                                                                    ^~~~~~~~~~
/usr/include/c++/11/bits/ostream_insert.h:123:46: error: ‘streamsize’ has not been declared
  123 |                                              streamsize);
      |                                              ^~~~~~~~~~
In file included from /usr/include/c++/11/bits/stl_algo.h:62,
                 from /usr/include/c++/11/string:52,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/stl_tempbuf.h: In function ‘std::pair<_Tp*, long int> std::get_temporary_buffer(ptrdiff_t)’:
/usr/include/c++/11/bits/stl_tempbuf.h:109:56: error: no matching function for call to ‘operator new(long unsigned int, const std::nothrow_t&)’
  109 |           _Tp* __tmp = static_cast<_Tp*>(::operator new(__len * sizeof(_Tp),
      |                                          ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
  110 |                                                         std::nothrow));
      |                                                         ~~~~~~~~~~~~~
<built-in>: note: candidate: ‘void* operator new(long unsigned int)’
<built-in>: note:   candidate expects 1 argument, 2 provided
<built-in>: note: candidate: ‘void* operator new(long unsigned int, std::align_val_t)’
<built-in>: note:   no known conversion for argument 2 from ‘const std::nothrow_t’ to ‘std::align_val_t’
In file included from /usr/include/c++/11/ext/alloc_traits.h:34,
                 from /usr/include/c++/11/bits/basic_string.h:40,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/alloc_traits.h: At global scope:
/usr/include/c++/11/bits/alloc_traits.h:432:36: error: ‘ptrdiff_t’ in namespace ‘std’ does not name a type
  432 |       using difference_type = std::ptrdiff_t;
      |                                    ^~~~~~~~~
/usr/include/c++/11/bits/alloc_traits.h:435:30: error: ‘size_t’ in namespace ‘std’ does not name a type; did you mean ‘size’?
  435 |       using size_type = std::size_t;
      |                              ^~~~~~
      |                              size
/usr/include/c++/11/bits/alloc_traits.h:463:37: error: ‘size_type’ has not been declared
  463 |       allocate(allocator_type& __a, size_type __n)
      |                                     ^~~~~~~~~
/usr/include/c++/11/bits/alloc_traits.h:477:37: error: ‘size_type’ has not been declared
  477 |       allocate(allocator_type& __a, size_type __n, const_void_pointer __hint)
      |                                     ^~~~~~~~~
/usr/include/c++/11/bits/alloc_traits.h:495:52: error: ‘size_type’ has not been declared
  495 |       deallocate(allocator_type& __a, pointer __p, size_type __n)
      |                                                    ^~~~~~~~~
/usr/include/c++/11/bits/alloc_traits.h:546:35: error: ‘size_type’ does not name a type; did you mean ‘true_type’?
  546 |       static _GLIBCXX20_CONSTEXPR size_type
      |                                   ^~~~~~~~~
      |                                   true_type
/usr/include/c++/11/bits/alloc_traits.h:589:36: error: ‘ptrdiff_t’ in namespace ‘std’ does not name a type
  589 |       using difference_type = std::ptrdiff_t;
      |                                    ^~~~~~~~~
/usr/include/c++/11/bits/alloc_traits.h:592:30: error: ‘size_t’ in namespace ‘std’ does not name a type; did you mean ‘size’?
  592 |       using size_type = std::size_t;
      |                              ^~~~~~
      |                              size
/usr/include/c++/11/bits/alloc_traits.h:614:33: error: ‘size_type’ has not been declared
  614 |       allocate(allocator_type&, size_type, const void* = nullptr) = delete;
      |                                 ^~~~~~~~~
/usr/include/c++/11/bits/alloc_traits.h:618:42: error: ‘size_type’ has not been declared
  618 |       deallocate(allocator_type&, void*, size_type) = delete;
      |                                          ^~~~~~~~~
/usr/include/c++/11/bits/alloc_traits.h:651:14: error: ‘size_type’ does not name a type; did you mean ‘true_type’?
  651 |       static size_type
      |              ^~~~~~~~~
      |              true_type
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:55:53: error: ‘std::size_t’ has not been declared
   55 |            const char* __name, const _CharT* __str, std::size_t* __idx,
      |                                                     ^~~
/usr/include/c++/11/ext/string_conversions.h:99:43: error: ‘std::size_t’ has not been declared
   99 |     __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
      |                                           ^~~
/usr/include/c++/11/ext/string_conversions.h:100:54: error: ‘std::size_t’ has not been declared
  100 |                                  __builtin_va_list), std::size_t __n,
      |                                                      ^~~
In file included from /usr/include/c++/11/bits/basic_string.h:40,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/alloc_traits.h: In instantiation of ‘struct __gnu_cxx::__alloc_traits<std::allocator<char>, char>’:
/usr/include/c++/11/bits/basic_string.h:88:24:   required from ‘class std::__cxx11::basic_string<char>’
/usr/include/c++/11/bits/basic_string.h:6620:68:   required from here
/usr/include/c++/11/ext/alloc_traits.h:59:53: error: no type named ‘size_type’ in ‘struct std::allocator_traits<std::allocator<char> >’
   59 |     typedef typename _Base_type::size_type          size_type;
      |                                                     ^~~~~~~~~
/usr/include/c++/11/ext/alloc_traits.h:60:53: error: no type named ‘difference_type’ in ‘struct std::allocator_traits<std::allocator<char> >’
   60 |     typedef typename _Base_type::difference_type    difference_type;
      |                                                     ^~~~~~~~~~~~~~~
/usr/include/c++/11/ext/alloc_traits.h:68:23: error: ‘max_size’ has not been declared in ‘__gnu_cxx::__alloc_traits<std::allocator<char>, char>::_Base_type’
   68 |     using _Base_type::max_size;
      |                       ^~~~~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h: In function ‘int std::__cxx11::stoi(const string&, size_t*, int)’:
/usr/include/c++/11/bits/basic_string.h:6620:40: error: no matching function for call to ‘__stoa<long int, int>(long int (*)(const char*, char**, int) noexcept, const char [5], const char*, size_t*&, int&)’
 6620 |   { return __gnu_cxx::__stoa<long, int>(&std::strtol, "stoi", __str.c_str(),
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 6621 |                                         __idx, __base); }
      |                                         ~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:54:5: note: candidate: ‘template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)’
   54 |     __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
      |     ^~~~~~
/usr/include/c++/11/ext/string_conversions.h:54:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6621:41: note:   cannot convert ‘__idx’ (type ‘size_t*’ {aka ‘long unsigned int*’}) to type ‘int*’
 6621 |                                         __idx, __base); }
      |                                         ^~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘long int std::__cxx11::stol(const string&, size_t*, int)’:
/usr/include/c++/11/bits/basic_string.h:6625:29: error: no matching function for call to ‘__stoa(long int (*)(const char*, char**, int) noexcept, const char [5], const char*, size_t*&, int&)’
 6625 |   { return __gnu_cxx::__stoa(&std::strtol, "stol", __str.c_str(),
      |            ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 6626 |                              __idx, __base); }
      |                              ~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:54:5: note: candidate: ‘template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)’
   54 |     __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
      |     ^~~~~~
/usr/include/c++/11/ext/string_conversions.h:54:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6626:30: note:   cannot convert ‘__idx’ (type ‘size_t*’ {aka ‘long unsigned int*’}) to type ‘int*’
 6626 |                              __idx, __base); }
      |                              ^~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘long unsigned int std::__cxx11::stoul(const string&, size_t*, int)’:
/usr/include/c++/11/bits/basic_string.h:6630:29: error: no matching function for call to ‘__stoa(long unsigned int (*)(const char*, char**, int) noexcept, const char [6], const char*, size_t*&, int&)’
 6630 |   { return __gnu_cxx::__stoa(&std::strtoul, "stoul", __str.c_str(),
      |            ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 6631 |                              __idx, __base); }
      |                              ~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:54:5: note: candidate: ‘template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)’
   54 |     __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
      |     ^~~~~~
/usr/include/c++/11/ext/string_conversions.h:54:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6631:30: note:   cannot convert ‘__idx’ (type ‘size_t*’ {aka ‘long unsigned int*’}) to type ‘int*’
 6631 |                              __idx, __base); }
      |                              ^~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘long long int std::__cxx11::stoll(const string&, size_t*, int)’:
/usr/include/c++/11/bits/basic_string.h:6635:29: error: no matching function for call to ‘__stoa(long long int (*)(const char*, char**, int) noexcept, const char [6], const char*, size_t*&, int&)’
 6635 |   { return __gnu_cxx::__stoa(&std::strtoll, "stoll", __str.c_str(),
      |            ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 6636 |                              __idx, __base); }
      |                              ~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:54:5: note: candidate: ‘template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)’
   54 |     __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
      |     ^~~~~~
/usr/include/c++/11/ext/string_conversions.h:54:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6636:30: note:   cannot convert ‘__idx’ (type ‘size_t*’ {aka ‘long unsigned int*’}) to type ‘int*’
 6636 |                              __idx, __base); }
      |                              ^~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘long long unsigned int std::__cxx11::stoull(const string&, size_t*, int)’:
/usr/include/c++/11/bits/basic_string.h:6640:29: error: no matching function for call to ‘__stoa(long long unsigned int (*)(const char*, char**, int) noexcept, const char [7], const char*, size_t*&, int&)’
 6640 |   { return __gnu_cxx::__stoa(&std::strtoull, "stoull", __str.c_str(),
      |            ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 6641 |                              __idx, __base); }
      |                              ~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:54:5: note: candidate: ‘template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)’
   54 |     __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
      |     ^~~~~~
/usr/include/c++/11/ext/string_conversions.h:54:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6641:30: note:   cannot convert ‘__idx’ (type ‘size_t*’ {aka ‘long unsigned int*’}) to type ‘int*’
 6641 |                              __idx, __base); }
      |                              ^~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘float std::__cxx11::stof(const string&, size_t*)’:
/usr/include/c++/11/bits/basic_string.h:6646:29: error: no matching function for call to ‘__stoa(float (*)(const char*, char**) noexcept, const char [5], const char*, size_t*&)’
 6646 |   { return __gnu_cxx::__stoa(&std::strtof, "stof", __str.c_str(), __idx); }
      |            ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:54:5: note: candidate: ‘template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)’
   54 |     __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
      |     ^~~~~~
/usr/include/c++/11/ext/string_conversions.h:54:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6646:67: note:   cannot convert ‘__idx’ (type ‘size_t*’ {aka ‘long unsigned int*’}) to type ‘int*’
 6646 |   { return __gnu_cxx::__stoa(&std::strtof, "stof", __str.c_str(), __idx); }
      |                                                                   ^~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘double std::__cxx11::stod(const string&, size_t*)’:
/usr/include/c++/11/bits/basic_string.h:6650:29: error: no matching function for call to ‘__stoa(double (*)(const char*, char**) noexcept, const char [5], const char*, size_t*&)’
 6650 |   { return __gnu_cxx::__stoa(&std::strtod, "stod", __str.c_str(), __idx); }
      |            ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:54:5: note: candidate: ‘template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)’
   54 |     __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
      |     ^~~~~~
/usr/include/c++/11/ext/string_conversions.h:54:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6650:67: note:   cannot convert ‘__idx’ (type ‘size_t*’ {aka ‘long unsigned int*’}) to type ‘int*’
 6650 |   { return __gnu_cxx::__stoa(&std::strtod, "stod", __str.c_str(), __idx); }
      |                                                                   ^~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘long double std::__cxx11::stold(const string&, size_t*)’:
/usr/include/c++/11/bits/basic_string.h:6654:29: error: no matching function for call to ‘__stoa(long double (*)(const char*, char**) noexcept, const char [6], const char*, size_t*&)’
 6654 |   { return __gnu_cxx::__stoa(&std::strtold, "stold", __str.c_str(), __idx); }
      |            ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:54:5: note: candidate: ‘template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)’
   54 |     __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
      |     ^~~~~~
/usr/include/c++/11/ext/string_conversions.h:54:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6654:69: note:   cannot convert ‘__idx’ (type ‘size_t*’ {aka ‘long unsigned int*’}) to type ‘int*’
 6654 |   { return __gnu_cxx::__stoa(&std::strtold, "stold", __str.c_str(), __idx); }
      |                                                                     ^~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘std::string std::__cxx11::to_string(int)’:
/usr/include/c++/11/bits/basic_string.h:6665:36: error: no matching function for call to ‘std::__cxx11::basic_string<char>::basic_string(unsigned int, char)’
 6665 |     string __str(__neg + __len, '-');
      |                                    ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:664:9: note: candidate: ‘template<class _Tp, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Tp&, const _Alloc&) [with _Tp = _Tp; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  664 |         basic_string(const _Tp& __t, const _Alloc& __a = _Alloc())
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:664:9: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/bits/move.h:57,
                 from /usr/include/c++/11/bits/exception_ptr.h:43,
                 from /usr/include/c++/11/exception:153,
                 from /usr/include/c++/11/ios:39,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/type_traits: In substitution of ‘template<bool _Cond, class _Tp> using enable_if_t = typename std::enable_if::type [with bool _Cond = false; _Tp = void]’:
/usr/include/c++/11/bits/basic_string.h:125:8:   required by substitution of ‘template<class _CharT, class _Traits, class _Alloc> template<class _Tp, class _Res> using _If_sv = std::enable_if_t<std::__and_<std::is_convertible<const _Tp&, std::basic_string_view<_CharT, _Traits> >, std::__not_<std::is_convertible<const _Tp*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>*> >, std::__not_<std::is_convertible<const _Tp&, const _CharT*> > >::value, _Res> [with _Tp = unsigned int; _Res = void; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
/usr/include/c++/11/bits/basic_string.h:662:30:   required from here
/usr/include/c++/11/type_traits:2585:11: error: no type named ‘type’ in ‘struct std::enable_if<false, void>’
 2585 |     using enable_if_t = typename enable_if<_Cond, _Tp>::type;
      |           ^~~~~~~~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:638:9: note: candidate: ‘template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(_InputIterator, _InputIterator, const _Alloc&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  638 |         basic_string(_InputIterator __beg, _InputIterator __end,
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:638:9: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6665:36: note:   deduced conflicting types for parameter ‘_InputIterator’ (‘unsigned int’ and ‘char’)
 6665 |     string __str(__neg + __len, '-');
      |                                    ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:533:7: note: candidate: ‘template<class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, const _Alloc&) [with <template-parameter-2-1> = <template-parameter-1-1>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  533 |       basic_string(const _CharT* __s, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:533:7: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6665:24: note:   cannot convert ‘(((unsigned int)((int)__neg)) + ((unsigned int)__len))’ (type ‘unsigned int’) to type ‘const char*’
 6665 |     string __str(__neg + __len, '-');
      |                  ~~~~~~^~~~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:600:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:600:35: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘std::__cxx11::basic_string<char>&&’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/11/bits/basic_string.h:596:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:596:40: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘const std::__cxx11::basic_string<char>&’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/11/bits/basic_string.h:592:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::initializer_list<_Tp>, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:592:45: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘std::initializer_list<char>’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |                    ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:565:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  565 |       basic_string(basic_string&& __str) noexcept
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:565:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:456:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  456 |       basic_string(const basic_string& __str)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:456:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:448:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  448 |       basic_string(const _Alloc& __a) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:448:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:439:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  439 |       basic_string()
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:439:7: note:   candidate expects 0 arguments, 2 provided
/usr/include/c++/11/bits/basic_string.h:153:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__sv_wrapper, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:153:33: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘std::__cxx11::basic_string<char>::__sv_wrapper’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~^~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6666:40: error: no match for ‘operator[]’ (operand types are ‘std::string’ {aka ‘std::__cxx11::basic_string<char>’} and ‘const bool’)
 6666 |     __detail::__to_chars_10_impl(&__str[__neg], __len, __uval);
      |                                        ^
/usr/include/c++/11/bits/basic_string.h: In function ‘std::string std::__cxx11::to_string(unsigned int)’:
/usr/include/c++/11/bits/basic_string.h:6673:55: error: no matching function for call to ‘std::__cxx11::basic_string<char>::basic_string(unsigned int, char)’
 6673 |     string __str(__detail::__to_chars_len(__val), '\0');
      |                                                       ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:664:9: note: candidate: ‘template<class _Tp, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Tp&, const _Alloc&) [with _Tp = _Tp; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  664 |         basic_string(const _Tp& __t, const _Alloc& __a = _Alloc())
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:664:9: note:   template argument deduction/substitution failed:
/usr/include/c++/11/bits/basic_string.h:638:9: note: candidate: ‘template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(_InputIterator, _InputIterator, const _Alloc&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  638 |         basic_string(_InputIterator __beg, _InputIterator __end,
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:638:9: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6673:55: note:   deduced conflicting types for parameter ‘_InputIterator’ (‘unsigned int’ and ‘char’)
 6673 |     string __str(__detail::__to_chars_len(__val), '\0');
      |                                                       ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:533:7: note: candidate: ‘template<class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, const _Alloc&) [with <template-parameter-2-1> = <template-parameter-1-1>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  533 |       basic_string(const _CharT* __s, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:533:7: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6673:42: note:   cannot convert ‘std::__detail::__to_chars_len<unsigned int>(__val, 10)’ (type ‘unsigned int’) to type ‘const char*’
 6673 |     string __str(__detail::__to_chars_len(__val), '\0');
      |                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:600:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:600:35: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘std::__cxx11::basic_string<char>&&’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/11/bits/basic_string.h:596:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:596:40: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘const std::__cxx11::basic_string<char>&’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/11/bits/basic_string.h:592:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::initializer_list<_Tp>, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:592:45: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘std::initializer_list<char>’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |                    ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:565:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  565 |       basic_string(basic_string&& __str) noexcept
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:565:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:456:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  456 |       basic_string(const basic_string& __str)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:456:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:448:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  448 |       basic_string(const _Alloc& __a) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:448:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:439:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  439 |       basic_string()
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:439:7: note:   candidate expects 0 arguments, 2 provided
/usr/include/c++/11/bits/basic_string.h:153:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__sv_wrapper, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:153:33: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘std::__cxx11::basic_string<char>::__sv_wrapper’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~^~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6674:40: error: no match for ‘operator[]’ (operand types are ‘std::string’ {aka ‘std::__cxx11::basic_string<char>’} and ‘int’)
 6674 |     __detail::__to_chars_10_impl(&__str[0], __str.size(), __val);
      |                                        ^
/usr/include/c++/11/bits/basic_string.h:6674:51: error: ‘std::string’ {aka ‘class std::__cxx11::basic_string<char>’} has no member named ‘size’
 6674 |     __detail::__to_chars_10_impl(&__str[0], __str.size(), __val);
      |                                                   ^~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘std::string std::__cxx11::to_string(long int)’:
/usr/include/c++/11/bits/basic_string.h:6684:36: error: no matching function for call to ‘std::__cxx11::basic_string<char>::basic_string(unsigned int, char)’
 6684 |     string __str(__neg + __len, '-');
      |                                    ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:664:9: note: candidate: ‘template<class _Tp, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Tp&, const _Alloc&) [with _Tp = _Tp; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  664 |         basic_string(const _Tp& __t, const _Alloc& __a = _Alloc())
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:664:9: note:   template argument deduction/substitution failed:
/usr/include/c++/11/bits/basic_string.h:638:9: note: candidate: ‘template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(_InputIterator, _InputIterator, const _Alloc&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  638 |         basic_string(_InputIterator __beg, _InputIterator __end,
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:638:9: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6684:36: note:   deduced conflicting types for parameter ‘_InputIterator’ (‘unsigned int’ and ‘char’)
 6684 |     string __str(__neg + __len, '-');
      |                                    ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:533:7: note: candidate: ‘template<class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, const _Alloc&) [with <template-parameter-2-1> = <template-parameter-1-1>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  533 |       basic_string(const _CharT* __s, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:533:7: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6684:24: note:   cannot convert ‘(((unsigned int)((int)__neg)) + ((unsigned int)__len))’ (type ‘unsigned int’) to type ‘const char*’
 6684 |     string __str(__neg + __len, '-');
      |                  ~~~~~~^~~~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:600:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:600:35: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘std::__cxx11::basic_string<char>&&’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/11/bits/basic_string.h:596:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:596:40: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘const std::__cxx11::basic_string<char>&’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/11/bits/basic_string.h:592:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::initializer_list<_Tp>, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:592:45: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘std::initializer_list<char>’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |                    ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:565:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  565 |       basic_string(basic_string&& __str) noexcept
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:565:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:456:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  456 |       basic_string(const basic_string& __str)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:456:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:448:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  448 |       basic_string(const _Alloc& __a) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:448:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:439:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  439 |       basic_string()
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:439:7: note:   candidate expects 0 arguments, 2 provided
/usr/include/c++/11/bits/basic_string.h:153:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__sv_wrapper, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:153:33: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘std::__cxx11::basic_string<char>::__sv_wrapper’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~^~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6685:40: error: no match for ‘operator[]’ (operand types are ‘std::string’ {aka ‘std::__cxx11::basic_string<char>’} and ‘const bool’)
 6685 |     __detail::__to_chars_10_impl(&__str[__neg], __len, __uval);
      |                                        ^
/usr/include/c++/11/bits/basic_string.h: In function ‘std::string std::__cxx11::to_string(long unsigned int)’:
/usr/include/c++/11/bits/basic_string.h:6692:55: error: no matching function for call to ‘std::__cxx11::basic_string<char>::basic_string(unsigned int, char)’
 6692 |     string __str(__detail::__to_chars_len(__val), '\0');
      |                                                       ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:664:9: note: candidate: ‘template<class _Tp, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Tp&, const _Alloc&) [with _Tp = _Tp; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  664 |         basic_string(const _Tp& __t, const _Alloc& __a = _Alloc())
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:664:9: note:   template argument deduction/substitution failed:
/usr/include/c++/11/bits/basic_string.h:638:9: note: candidate: ‘template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(_InputIterator, _InputIterator, const _Alloc&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  638 |         basic_string(_InputIterator __beg, _InputIterator __end,
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:638:9: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6692:55: note:   deduced conflicting types for parameter ‘_InputIterator’ (‘unsigned int’ and ‘char’)
 6692 |     string __str(__detail::__to_chars_len(__val), '\0');
      |                                                       ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:533:7: note: candidate: ‘template<class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, const _Alloc&) [with <template-parameter-2-1> = <template-parameter-1-1>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  533 |       basic_string(const _CharT* __s, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:533:7: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6692:42: note:   cannot convert ‘std::__detail::__to_chars_len<long unsigned int>(__val, 10)’ (type ‘unsigned int’) to type ‘const char*’
 6692 |     string __str(__detail::__to_chars_len(__val), '\0');
      |                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:600:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:600:35: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘std::__cxx11::basic_string<char>&&’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/11/bits/basic_string.h:596:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:596:40: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘const std::__cxx11::basic_string<char>&’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/11/bits/basic_string.h:592:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::initializer_list<_Tp>, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:592:45: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘std::initializer_list<char>’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |                    ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:565:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  565 |       basic_string(basic_string&& __str) noexcept
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:565:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:456:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  456 |       basic_string(const basic_string& __str)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:456:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:448:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  448 |       basic_string(const _Alloc& __a) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:448:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:439:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  439 |       basic_string()
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:439:7: note:   candidate expects 0 arguments, 2 provided
/usr/include/c++/11/bits/basic_string.h:153:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__sv_wrapper, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:153:33: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘std::__cxx11::basic_string<char>::__sv_wrapper’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~^~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6693:40: error: no match for ‘operator[]’ (operand types are ‘std::string’ {aka ‘std::__cxx11::basic_string<char>’} and ‘int’)
 6693 |     __detail::__to_chars_10_impl(&__str[0], __str.size(), __val);
      |                                        ^
/usr/include/c++/11/bits/basic_string.h:6693:51: error: ‘std::string’ {aka ‘class std::__cxx11::basic_string<char>’} has no member named ‘size’
 6693 |     __detail::__to_chars_10_impl(&__str[0], __str.size(), __val);
      |                                                   ^~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘std::string std::__cxx11::to_string(long long int)’:
/usr/include/c++/11/bits/basic_string.h:6704:36: error: no matching function for call to ‘std::__cxx11::basic_string<char>::basic_string(unsigned int, char)’
 6704 |     string __str(__neg + __len, '-');
      |                                    ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:664:9: note: candidate: ‘template<class _Tp, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Tp&, const _Alloc&) [with _Tp = _Tp; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  664 |         basic_string(const _Tp& __t, const _Alloc& __a = _Alloc())
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:664:9: note:   template argument deduction/substitution failed:
/usr/include/c++/11/bits/basic_string.h:638:9: note: candidate: ‘template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(_InputIterator, _InputIterator, const _Alloc&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  638 |         basic_string(_InputIterator __beg, _InputIterator __end,
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:638:9: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6704:36: note:   deduced conflicting types for parameter ‘_InputIterator’ (‘unsigned int’ and ‘char’)
 6704 |     string __str(__neg + __len, '-');
      |                                    ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:533:7: note: candidate: ‘template<class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, const _Alloc&) [with <template-parameter-2-1> = <template-parameter-1-1>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  533 |       basic_string(const _CharT* __s, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:533:7: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6704:24: note:   cannot convert ‘(((unsigned int)((int)__neg)) + ((unsigned int)__len))’ (type ‘unsigned int’) to type ‘const char*’
 6704 |     string __str(__neg + __len, '-');
      |                  ~~~~~~^~~~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:600:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:600:35: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘std::__cxx11::basic_string<char>&&’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/11/bits/basic_string.h:596:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:596:40: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘const std::__cxx11::basic_string<char>&’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/11/bits/basic_string.h:592:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::initializer_list<_Tp>, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:592:45: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘std::initializer_list<char>’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |                    ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:565:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  565 |       basic_string(basic_string&& __str) noexcept
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:565:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:456:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  456 |       basic_string(const basic_string& __str)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:456:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:448:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  448 |       basic_string(const _Alloc& __a) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:448:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:439:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  439 |       basic_string()
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:439:7: note:   candidate expects 0 arguments, 2 provided
/usr/include/c++/11/bits/basic_string.h:153:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__sv_wrapper, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:153:33: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘std::__cxx11::basic_string<char>::__sv_wrapper’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~^~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6705:40: error: no match for ‘operator[]’ (operand types are ‘std::string’ {aka ‘std::__cxx11::basic_string<char>’} and ‘const bool’)
 6705 |     __detail::__to_chars_10_impl(&__str[__neg], __len, __uval);
      |                                        ^
/usr/include/c++/11/bits/basic_string.h: In function ‘std::string std::__cxx11::to_string(long long unsigned int)’:
/usr/include/c++/11/bits/basic_string.h:6712:55: error: no matching function for call to ‘std::__cxx11::basic_string<char>::basic_string(unsigned int, char)’
 6712 |     string __str(__detail::__to_chars_len(__val), '\0');
      |                                                       ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:664:9: note: candidate: ‘template<class _Tp, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Tp&, const _Alloc&) [with _Tp = _Tp; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  664 |         basic_string(const _Tp& __t, const _Alloc& __a = _Alloc())
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:664:9: note:   template argument deduction/substitution failed:
/usr/include/c++/11/bits/basic_string.h:638:9: note: candidate: ‘template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(_InputIterator, _InputIterator, const _Alloc&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  638 |         basic_string(_InputIterator __beg, _InputIterator __end,
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:638:9: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6712:55: note:   deduced conflicting types for parameter ‘_InputIterator’ (‘unsigned int’ and ‘char’)
 6712 |     string __str(__detail::__to_chars_len(__val), '\0');
      |                                                       ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:533:7: note: candidate: ‘template<class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, const _Alloc&) [with <template-parameter-2-1> = <template-parameter-1-1>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  533 |       basic_string(const _CharT* __s, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:533:7: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6712:42: note:   cannot convert ‘std::__detail::__to_chars_len<long long unsigned int>(__val, 10)’ (type ‘unsigned int’) to type ‘const char*’
 6712 |     string __str(__detail::__to_chars_len(__val), '\0');
      |                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:600:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:600:35: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘std::__cxx11::basic_string<char>&&’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/11/bits/basic_string.h:596:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:596:40: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘const std::__cxx11::basic_string<char>&’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/11/bits/basic_string.h:592:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::initializer_list<_Tp>, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:592:45: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘std::initializer_list<char>’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |                    ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:565:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  565 |       basic_string(basic_string&& __str) noexcept
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:565:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:456:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  456 |       basic_string(const basic_string& __str)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:456:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:448:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  448 |       basic_string(const _Alloc& __a) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:448:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:439:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  439 |       basic_string()
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:439:7: note:   candidate expects 0 arguments, 2 provided
/usr/include/c++/11/bits/basic_string.h:153:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__sv_wrapper, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:153:33: note:   no known conversion for argument 1 from ‘unsigned int’ to ‘std::__cxx11::basic_string<char>::__sv_wrapper’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~^~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6713:40: error: no match for ‘operator[]’ (operand types are ‘std::string’ {aka ‘std::__cxx11::basic_string<char>’} and ‘int’)
 6713 |     __detail::__to_chars_10_impl(&__str[0], __str.size(), __val);
      |                                        ^
/usr/include/c++/11/bits/basic_string.h:6713:51: error: ‘std::string’ {aka ‘class std::__cxx11::basic_string<char>’} has no member named ‘size’
 6713 |     __detail::__to_chars_10_impl(&__str[0], __str.size(), __val);
      |                                                   ^~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘std::string std::__cxx11::to_string(float)’:
/usr/include/c++/11/bits/basic_string.h:6725:43: error: no matching function for call to ‘__to_xstring<std::string>(int (*)(char*, size_t, const char*, __va_list_tag*) noexcept, const int&, const char [3], float&)’
 6725 |     return __gnu_cxx::__to_xstring<string>(&std::vsnprintf, __n,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
 6726 |                                            "%f", __val);
      |                                            ~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:99:5: note: candidate: ‘template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)’
   99 |     __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
      |     ^~~~~~~~~~~~
/usr/include/c++/11/ext/string_conversions.h:99:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6725:43: note:   mismatched types ‘int’ and ‘size_t’ {aka ‘long unsigned int’}
 6725 |     return __gnu_cxx::__to_xstring<string>(&std::vsnprintf, __n,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
 6726 |                                            "%f", __val);
      |                                            ~~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘std::string std::__cxx11::to_string(double)’:
/usr/include/c++/11/bits/basic_string.h:6734:43: error: no matching function for call to ‘__to_xstring<std::string>(int (*)(char*, size_t, const char*, __va_list_tag*) noexcept, const int&, const char [3], double&)’
 6734 |     return __gnu_cxx::__to_xstring<string>(&std::vsnprintf, __n,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
 6735 |                                            "%f", __val);
      |                                            ~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:99:5: note: candidate: ‘template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)’
   99 |     __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
      |     ^~~~~~~~~~~~
/usr/include/c++/11/ext/string_conversions.h:99:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6734:43: note:   mismatched types ‘int’ and ‘size_t’ {aka ‘long unsigned int’}
 6734 |     return __gnu_cxx::__to_xstring<string>(&std::vsnprintf, __n,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
 6735 |                                            "%f", __val);
      |                                            ~~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘std::string std::__cxx11::to_string(long double)’:
/usr/include/c++/11/bits/basic_string.h:6743:43: error: no matching function for call to ‘__to_xstring<std::string>(int (*)(char*, size_t, const char*, __va_list_tag*) noexcept, const int&, const char [4], long double&)’
 6743 |     return __gnu_cxx::__to_xstring<string>(&std::vsnprintf, __n,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
 6744 |                                            "%Lf", __val);
      |                                            ~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:99:5: note: candidate: ‘template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)’
   99 |     __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
      |     ^~~~~~~~~~~~
/usr/include/c++/11/ext/string_conversions.h:99:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6743:43: note:   mismatched types ‘int’ and ‘size_t’ {aka ‘long unsigned int’}
 6743 |     return __gnu_cxx::__to_xstring<string>(&std::vsnprintf, __n,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
 6744 |                                            "%Lf", __val);
      |                                            ~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:40,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/alloc_traits.h: In instantiation of ‘struct __gnu_cxx::__alloc_traits<std::allocator<wchar_t>, wchar_t>’:
/usr/include/c++/11/bits/basic_string.h:88:24:   required from ‘class std::__cxx11::basic_string<wchar_t>’
/usr/include/c++/11/bits/basic_string.h:6751:68:   required from here
/usr/include/c++/11/ext/alloc_traits.h:59:53: error: no type named ‘size_type’ in ‘struct std::allocator_traits<std::allocator<wchar_t> >’
   59 |     typedef typename _Base_type::size_type          size_type;
      |                                                     ^~~~~~~~~
/usr/include/c++/11/ext/alloc_traits.h:60:53: error: no type named ‘difference_type’ in ‘struct std::allocator_traits<std::allocator<wchar_t> >’
   60 |     typedef typename _Base_type::difference_type    difference_type;
      |                                                     ^~~~~~~~~~~~~~~
/usr/include/c++/11/ext/alloc_traits.h:68:23: error: ‘max_size’ has not been declared in ‘__gnu_cxx::__alloc_traits<std::allocator<wchar_t>, wchar_t>::_Base_type’
   68 |     using _Base_type::max_size;
      |                       ^~~~~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h: In function ‘int std::__cxx11::stoi(const wstring&, size_t*, int)’:
/usr/include/c++/11/bits/basic_string.h:6751:40: error: no matching function for call to ‘__stoa<long int, int>(long int (*)(const wchar_t*, wchar_t**, int) noexcept, const char [5], const wchar_t*, size_t*&, int&)’
 6751 |   { return __gnu_cxx::__stoa<long, int>(&std::wcstol, "stoi", __str.c_str(),
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 6752 |                                         __idx, __base); }
      |                                         ~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:54:5: note: candidate: ‘template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)’
   54 |     __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
      |     ^~~~~~
/usr/include/c++/11/ext/string_conversions.h:54:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6752:41: note:   cannot convert ‘__idx’ (type ‘size_t*’ {aka ‘long unsigned int*’}) to type ‘int*’
 6752 |                                         __idx, __base); }
      |                                         ^~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘long int std::__cxx11::stol(const wstring&, size_t*, int)’:
/usr/include/c++/11/bits/basic_string.h:6756:29: error: no matching function for call to ‘__stoa(long int (*)(const wchar_t*, wchar_t**, int) noexcept, const char [5], const wchar_t*, size_t*&, int&)’
 6756 |   { return __gnu_cxx::__stoa(&std::wcstol, "stol", __str.c_str(),
      |            ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 6757 |                              __idx, __base); }
      |                              ~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:54:5: note: candidate: ‘template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)’
   54 |     __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
      |     ^~~~~~
/usr/include/c++/11/ext/string_conversions.h:54:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6757:30: note:   cannot convert ‘__idx’ (type ‘size_t*’ {aka ‘long unsigned int*’}) to type ‘int*’
 6757 |                              __idx, __base); }
      |                              ^~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘long unsigned int std::__cxx11::stoul(const wstring&, size_t*, int)’:
/usr/include/c++/11/bits/basic_string.h:6761:29: error: no matching function for call to ‘__stoa(long unsigned int (*)(const wchar_t*, wchar_t**, int) noexcept, const char [6], const wchar_t*, size_t*&, int&)’
 6761 |   { return __gnu_cxx::__stoa(&std::wcstoul, "stoul", __str.c_str(),
      |            ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 6762 |                              __idx, __base); }
      |                              ~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:54:5: note: candidate: ‘template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)’
   54 |     __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
      |     ^~~~~~
/usr/include/c++/11/ext/string_conversions.h:54:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6762:30: note:   cannot convert ‘__idx’ (type ‘size_t*’ {aka ‘long unsigned int*’}) to type ‘int*’
 6762 |                              __idx, __base); }
      |                              ^~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘long long int std::__cxx11::stoll(const wstring&, size_t*, int)’:
/usr/include/c++/11/bits/basic_string.h:6766:29: error: no matching function for call to ‘__stoa(long long int (*)(const wchar_t*, wchar_t**, int) noexcept, const char [6], const wchar_t*, size_t*&, int&)’
 6766 |   { return __gnu_cxx::__stoa(&std::wcstoll, "stoll", __str.c_str(),
      |            ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 6767 |                              __idx, __base); }
      |                              ~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:54:5: note: candidate: ‘template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)’
   54 |     __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
      |     ^~~~~~
/usr/include/c++/11/ext/string_conversions.h:54:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6767:30: note:   cannot convert ‘__idx’ (type ‘size_t*’ {aka ‘long unsigned int*’}) to type ‘int*’
 6767 |                              __idx, __base); }
      |                              ^~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘long long unsigned int std::__cxx11::stoull(const wstring&, size_t*, int)’:
/usr/include/c++/11/bits/basic_string.h:6771:29: error: no matching function for call to ‘__stoa(long long unsigned int (*)(const wchar_t*, wchar_t**, int) noexcept, const char [7], const wchar_t*, size_t*&, int&)’
 6771 |   { return __gnu_cxx::__stoa(&std::wcstoull, "stoull", __str.c_str(),
      |            ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 6772 |                              __idx, __base); }
      |                              ~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:54:5: note: candidate: ‘template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)’
   54 |     __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
      |     ^~~~~~
/usr/include/c++/11/ext/string_conversions.h:54:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6772:30: note:   cannot convert ‘__idx’ (type ‘size_t*’ {aka ‘long unsigned int*’}) to type ‘int*’
 6772 |                              __idx, __base); }
      |                              ^~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘float std::__cxx11::stof(const wstring&, size_t*)’:
/usr/include/c++/11/bits/basic_string.h:6777:29: error: no matching function for call to ‘__stoa(float (*)(const wchar_t*, wchar_t**) noexcept, const char [5], const wchar_t*, size_t*&)’
 6777 |   { return __gnu_cxx::__stoa(&std::wcstof, "stof", __str.c_str(), __idx); }
      |            ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:54:5: note: candidate: ‘template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)’
   54 |     __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
      |     ^~~~~~
/usr/include/c++/11/ext/string_conversions.h:54:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6777:67: note:   cannot convert ‘__idx’ (type ‘size_t*’ {aka ‘long unsigned int*’}) to type ‘int*’
 6777 |   { return __gnu_cxx::__stoa(&std::wcstof, "stof", __str.c_str(), __idx); }
      |                                                                   ^~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘double std::__cxx11::stod(const wstring&, size_t*)’:
/usr/include/c++/11/bits/basic_string.h:6781:29: error: no matching function for call to ‘__stoa(double (*)(const wchar_t*, wchar_t**) noexcept, const char [5], const wchar_t*, size_t*&)’
 6781 |   { return __gnu_cxx::__stoa(&std::wcstod, "stod", __str.c_str(), __idx); }
      |            ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:54:5: note: candidate: ‘template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)’
   54 |     __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
      |     ^~~~~~
/usr/include/c++/11/ext/string_conversions.h:54:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6781:67: note:   cannot convert ‘__idx’ (type ‘size_t*’ {aka ‘long unsigned int*’}) to type ‘int*’
 6781 |   { return __gnu_cxx::__stoa(&std::wcstod, "stod", __str.c_str(), __idx); }
      |                                                                   ^~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘long double std::__cxx11::stold(const wstring&, size_t*)’:
/usr/include/c++/11/bits/basic_string.h:6785:29: error: no matching function for call to ‘__stoa(long double (*)(const wchar_t*, wchar_t**) noexcept, const char [6], const wchar_t*, size_t*&)’
 6785 |   { return __gnu_cxx::__stoa(&std::wcstold, "stold", __str.c_str(), __idx); }
      |            ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:54:5: note: candidate: ‘template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)’
   54 |     __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
      |     ^~~~~~
/usr/include/c++/11/ext/string_conversions.h:54:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6785:69: note:   cannot convert ‘__idx’ (type ‘size_t*’ {aka ‘long unsigned int*’}) to type ‘int*’
 6785 |   { return __gnu_cxx::__stoa(&std::wcstold, "stold", __str.c_str(), __idx); }
      |                                                                     ^~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘std::wstring std::__cxx11::to_wstring(int)’:
/usr/include/c++/11/bits/basic_string.h:6791:44: error: no matching function for call to ‘__to_xstring<std::wstring>(int (*)(wchar_t*, size_t, const wchar_t*, __va_list_tag*) noexcept, long unsigned int, const wchar_t [3], int&)’
 6791 |   { return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf, 4 * sizeof(int),
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 6792 |                                             L"%d", __val); }
      |                                             ~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:99:5: note: candidate: ‘template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)’
   99 |     __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
      |     ^~~~~~~~~~~~
/usr/include/c++/11/ext/string_conversions.h:99:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6791:44: note:   mismatched types ‘int’ and ‘size_t’ {aka ‘long unsigned int’}
 6791 |   { return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf, 4 * sizeof(int),
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 6792 |                                             L"%d", __val); }
      |                                             ~~~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘std::wstring std::__cxx11::to_wstring(unsigned int)’:
/usr/include/c++/11/bits/basic_string.h:6796:44: error: no matching function for call to ‘__to_xstring<std::wstring>(int (*)(wchar_t*, size_t, const wchar_t*, __va_list_tag*) noexcept, long unsigned int, const wchar_t [3], unsigned int&)’
 6796 |   { return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
 6797 |                                             4 * sizeof(unsigned),
      |                                             ~~~~~~~~~~~~~~~~~~~~~
 6798 |                                             L"%u", __val); }
      |                                             ~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:99:5: note: candidate: ‘template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)’
   99 |     __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
      |     ^~~~~~~~~~~~
/usr/include/c++/11/ext/string_conversions.h:99:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6796:44: note:   mismatched types ‘int’ and ‘size_t’ {aka ‘long unsigned int’}
 6796 |   { return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
 6797 |                                             4 * sizeof(unsigned),
      |                                             ~~~~~~~~~~~~~~~~~~~~~
 6798 |                                             L"%u", __val); }
      |                                             ~~~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘std::wstring std::__cxx11::to_wstring(long int)’:
/usr/include/c++/11/bits/basic_string.h:6802:44: error: no matching function for call to ‘__to_xstring<std::wstring>(int (*)(wchar_t*, size_t, const wchar_t*, __va_list_tag*) noexcept, long unsigned int, const wchar_t [4], long int&)’
 6802 |   { return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf, 4 * sizeof(long),
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 6803 |                                             L"%ld", __val); }
      |                                             ~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:99:5: note: candidate: ‘template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)’
   99 |     __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
      |     ^~~~~~~~~~~~
/usr/include/c++/11/ext/string_conversions.h:99:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6802:44: note:   mismatched types ‘int’ and ‘size_t’ {aka ‘long unsigned int’}
 6802 |   { return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf, 4 * sizeof(long),
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 6803 |                                             L"%ld", __val); }
      |                                             ~~~~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘std::wstring std::__cxx11::to_wstring(long unsigned int)’:
/usr/include/c++/11/bits/basic_string.h:6807:44: error: no matching function for call to ‘__to_xstring<std::wstring>(int (*)(wchar_t*, size_t, const wchar_t*, __va_list_tag*) noexcept, long unsigned int, const wchar_t [4], long unsigned int&)’
 6807 |   { return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
 6808 |                                             4 * sizeof(unsigned long),
      |                                             ~~~~~~~~~~~~~~~~~~~~~~~~~~
 6809 |                                             L"%lu", __val); }
      |                                             ~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:99:5: note: candidate: ‘template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)’
   99 |     __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
      |     ^~~~~~~~~~~~
/usr/include/c++/11/ext/string_conversions.h:99:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6807:44: note:   mismatched types ‘int’ and ‘size_t’ {aka ‘long unsigned int’}
 6807 |   { return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
 6808 |                                             4 * sizeof(unsigned long),
      |                                             ~~~~~~~~~~~~~~~~~~~~~~~~~~
 6809 |                                             L"%lu", __val); }
      |                                             ~~~~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘std::wstring std::__cxx11::to_wstring(long long int)’:
/usr/include/c++/11/bits/basic_string.h:6813:44: error: no matching function for call to ‘__to_xstring<std::wstring>(int (*)(wchar_t*, size_t, const wchar_t*, __va_list_tag*) noexcept, long unsigned int, const wchar_t [5], long long int&)’
 6813 |   { return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
 6814 |                                             4 * sizeof(long long),
      |                                             ~~~~~~~~~~~~~~~~~~~~~~
 6815 |                                             L"%lld", __val); }
      |                                             ~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:99:5: note: candidate: ‘template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)’
   99 |     __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
      |     ^~~~~~~~~~~~
/usr/include/c++/11/ext/string_conversions.h:99:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6813:44: note:   mismatched types ‘int’ and ‘size_t’ {aka ‘long unsigned int’}
 6813 |   { return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
 6814 |                                             4 * sizeof(long long),
      |                                             ~~~~~~~~~~~~~~~~~~~~~~
 6815 |                                             L"%lld", __val); }
      |                                             ~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘std::wstring std::__cxx11::to_wstring(long long unsigned int)’:
/usr/include/c++/11/bits/basic_string.h:6819:44: error: no matching function for call to ‘__to_xstring<std::wstring>(int (*)(wchar_t*, size_t, const wchar_t*, __va_list_tag*) noexcept, long unsigned int, const wchar_t [5], long long unsigned int&)’
 6819 |   { return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
 6820 |                                             4 * sizeof(unsigned long long),
      |                                             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 6821 |                                             L"%llu", __val); }
      |                                             ~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:99:5: note: candidate: ‘template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)’
   99 |     __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
      |     ^~~~~~~~~~~~
/usr/include/c++/11/ext/string_conversions.h:99:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6819:44: note:   mismatched types ‘int’ and ‘size_t’ {aka ‘long unsigned int’}
 6819 |   { return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
 6820 |                                             4 * sizeof(unsigned long long),
      |                                             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 6821 |                                             L"%llu", __val); }
      |                                             ~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘std::wstring std::__cxx11::to_wstring(float)’:
/usr/include/c++/11/bits/basic_string.h:6828:44: error: no matching function for call to ‘__to_xstring<std::wstring>(int (*)(wchar_t*, size_t, const wchar_t*, __va_list_tag*) noexcept, const int&, const wchar_t [3], float&)’
 6828 |     return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf, __n,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
 6829 |                                             L"%f", __val);
      |                                             ~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:99:5: note: candidate: ‘template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)’
   99 |     __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
      |     ^~~~~~~~~~~~
/usr/include/c++/11/ext/string_conversions.h:99:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6828:44: note:   mismatched types ‘int’ and ‘size_t’ {aka ‘long unsigned int’}
 6828 |     return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf, __n,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
 6829 |                                             L"%f", __val);
      |                                             ~~~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘std::wstring std::__cxx11::to_wstring(double)’:
/usr/include/c++/11/bits/basic_string.h:6837:44: error: no matching function for call to ‘__to_xstring<std::wstring>(int (*)(wchar_t*, size_t, const wchar_t*, __va_list_tag*) noexcept, const int&, const wchar_t [3], double&)’
 6837 |     return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf, __n,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
 6838 |                                             L"%f", __val);
      |                                             ~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:99:5: note: candidate: ‘template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)’
   99 |     __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
      |     ^~~~~~~~~~~~
/usr/include/c++/11/ext/string_conversions.h:99:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6837:44: note:   mismatched types ‘int’ and ‘size_t’ {aka ‘long unsigned int’}
 6837 |     return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf, __n,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
 6838 |                                             L"%f", __val);
      |                                             ~~~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘std::wstring std::__cxx11::to_wstring(long double)’:
/usr/include/c++/11/bits/basic_string.h:6846:44: error: no matching function for call to ‘__to_xstring<std::wstring>(int (*)(wchar_t*, size_t, const wchar_t*, __va_list_tag*) noexcept, const int&, const wchar_t [4], long double&)’
 6846 |     return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf, __n,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
 6847 |                                             L"%Lf", __val);
      |                                             ~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:6608,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/string_conversions.h:99:5: note: candidate: ‘template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)’
   99 |     __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
      |     ^~~~~~~~~~~~
/usr/include/c++/11/ext/string_conversions.h:99:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6846:44: note:   mismatched types ‘int’ and ‘size_t’ {aka ‘long unsigned int’}
 6846 |     return __gnu_cxx::__to_xstring<wstring>(&std::vswprintf, __n,
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
 6847 |                                             L"%Lf", __val);
      |                                             ~~~~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h: In member function ‘size_t std::hash<std::__cxx11::basic_string<char> >::operator()(const string&) const’:
/usr/include/c++/11/bits/basic_string.h:6876:54: error: ‘const string’ {aka ‘const class std::__cxx11::basic_string<char>’} has no member named ‘length’
 6876 |       { return std::_Hash_impl::hash(__s.data(), __s.length()); }
      |                                                      ^~~~~~
/usr/include/c++/11/bits/basic_string.h: In member function ‘size_t std::hash<std::__cxx11::basic_string<wchar_t> >::operator()(const wstring&) const’:
/usr/include/c++/11/bits/basic_string.h:6892:42: error: ‘const wstring’ {aka ‘const class std::__cxx11::basic_string<wchar_t>’} has no member named ‘length’
 6892 |                                      __s.length() * sizeof(wchar_t)); }
      |                                          ^~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:40,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/alloc_traits.h: In instantiation of ‘struct __gnu_cxx::__alloc_traits<std::allocator<char8_t>, char8_t>’:
/usr/include/c++/11/bits/basic_string.h:88:24:   required from ‘class std::__cxx11::basic_string<char8_t>’
/usr/include/c++/11/bits/basic_string.h:6909:41:   required from here
/usr/include/c++/11/ext/alloc_traits.h:59:53: error: no type named ‘size_type’ in ‘struct std::allocator_traits<std::allocator<char8_t> >’
   59 |     typedef typename _Base_type::size_type          size_type;
      |                                                     ^~~~~~~~~
/usr/include/c++/11/ext/alloc_traits.h:60:53: error: no type named ‘difference_type’ in ‘struct std::allocator_traits<std::allocator<char8_t> >’
   60 |     typedef typename _Base_type::difference_type    difference_type;
      |                                                     ^~~~~~~~~~~~~~~
/usr/include/c++/11/ext/alloc_traits.h:68:23: error: ‘max_size’ has not been declared in ‘__gnu_cxx::__alloc_traits<std::allocator<char8_t>, char8_t>::_Base_type’
   68 |     using _Base_type::max_size;
      |                       ^~~~~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h: In member function ‘size_t std::hash<std::__cxx11::basic_string<char8_t> >::operator()(const u8string&) const’:
/usr/include/c++/11/bits/basic_string.h:6910:42: error: ‘const u8string’ {aka ‘const class std::__cxx11::basic_string<char8_t>’} has no member named ‘length’
 6910 |                                      __s.length() * sizeof(char8_t)); }
      |                                          ^~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:40,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/alloc_traits.h: In instantiation of ‘struct __gnu_cxx::__alloc_traits<std::allocator<char16_t>, char16_t>’:
/usr/include/c++/11/bits/basic_string.h:88:24:   required from ‘class std::__cxx11::basic_string<char16_t>’
/usr/include/c++/11/bits/basic_string.h:6925:41:   required from here
/usr/include/c++/11/ext/alloc_traits.h:59:53: error: no type named ‘size_type’ in ‘struct std::allocator_traits<std::allocator<char16_t> >’
   59 |     typedef typename _Base_type::size_type          size_type;
      |                                                     ^~~~~~~~~
/usr/include/c++/11/ext/alloc_traits.h:60:53: error: no type named ‘difference_type’ in ‘struct std::allocator_traits<std::allocator<char16_t> >’
   60 |     typedef typename _Base_type::difference_type    difference_type;
      |                                                     ^~~~~~~~~~~~~~~
/usr/include/c++/11/ext/alloc_traits.h:68:23: error: ‘max_size’ has not been declared in ‘__gnu_cxx::__alloc_traits<std::allocator<char16_t>, char16_t>::_Base_type’
   68 |     using _Base_type::max_size;
      |                       ^~~~~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h: In member function ‘size_t std::hash<std::__cxx11::basic_string<char16_t> >::operator()(const u16string&) const’:
/usr/include/c++/11/bits/basic_string.h:6926:42: error: ‘const u16string’ {aka ‘const class std::__cxx11::basic_string<char16_t>’} has no member named ‘length’
 6926 |                                      __s.length() * sizeof(char16_t)); }
      |                                          ^~~~~~
In file included from /usr/include/c++/11/bits/basic_string.h:40,
                 from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ext/alloc_traits.h: In instantiation of ‘struct __gnu_cxx::__alloc_traits<std::allocator<char32_t>, char32_t>’:
/usr/include/c++/11/bits/basic_string.h:88:24:   required from ‘class std::__cxx11::basic_string<char32_t>’
/usr/include/c++/11/bits/basic_string.h:6940:41:   required from here
/usr/include/c++/11/ext/alloc_traits.h:59:53: error: no type named ‘size_type’ in ‘struct std::allocator_traits<std::allocator<char32_t> >’
   59 |     typedef typename _Base_type::size_type          size_type;
      |                                                     ^~~~~~~~~
/usr/include/c++/11/ext/alloc_traits.h:60:53: error: no type named ‘difference_type’ in ‘struct std::allocator_traits<std::allocator<char32_t> >’
   60 |     typedef typename _Base_type::difference_type    difference_type;
      |                                                     ^~~~~~~~~~~~~~~
/usr/include/c++/11/ext/alloc_traits.h:68:23: error: ‘max_size’ has not been declared in ‘__gnu_cxx::__alloc_traits<std::allocator<char32_t>, char32_t>::_Base_type’
   68 |     using _Base_type::max_size;
      |                       ^~~~~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h: In member function ‘size_t std::hash<std::__cxx11::basic_string<char32_t> >::operator()(const u32string&) const’:
/usr/include/c++/11/bits/basic_string.h:6941:42: error: ‘const u32string’ {aka ‘const class std::__cxx11::basic_string<char32_t>’} has no member named ‘length’
 6941 |                                      __s.length() * sizeof(char32_t)); }
      |                                          ^~~~~~
/usr/include/c++/11/bits/basic_string.h: In function ‘std::__cxx11::basic_string<char> std::literals::string_literals::operator""s(const char*, size_t)’:
/usr/include/c++/11/bits/basic_string.h:6961:45: error: no matching function for call to ‘std::__cxx11::basic_string<char>::basic_string(<brace-enclosed initializer list>)’
 6961 |     { return basic_string<char>{__str, __len}; }
      |                                             ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:664:9: note: candidate: ‘template<class _Tp, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Tp&, const _Alloc&) [with _Tp = _Tp; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  664 |         basic_string(const _Tp& __t, const _Alloc& __a = _Alloc())
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:664:9: note:   template argument deduction/substitution failed:
/usr/include/c++/11/bits/basic_string.h:638:9: note: candidate: ‘template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(_InputIterator, _InputIterator, const _Alloc&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  638 |         basic_string(_InputIterator __beg, _InputIterator __end,
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:638:9: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6961:45: note:   deduced conflicting types for parameter ‘_InputIterator’ (‘const char*’ and ‘long unsigned int’)
 6961 |     { return basic_string<char>{__str, __len}; }
      |                                             ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:533:7: note: candidate: ‘template<class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, const _Alloc&) [with <template-parameter-2-1> = <template-parameter-1-1>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  533 |       basic_string(const _CharT* __s, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:533:7: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6961:40: note:   cannot convert ‘__len’ (type ‘size_t’ {aka ‘long unsigned int’}) to type ‘const std::allocator<char>&’
 6961 |     { return basic_string<char>{__str, __len}; }
      |                                        ^~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:600:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:600:56: note:   no known conversion for argument 2 from ‘size_t’ {aka ‘long unsigned int’} to ‘const std::allocator<char>&’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |                                          ~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:596:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:596:61: note:   no known conversion for argument 2 from ‘size_t’ {aka ‘long unsigned int’} to ‘const std::allocator<char>&’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |                                               ~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:592:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::initializer_list<_Tp>, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:592:45: note:   no known conversion for argument 1 from ‘const char*’ to ‘std::initializer_list<char>’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |                    ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:565:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  565 |       basic_string(basic_string&& __str) noexcept
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:565:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:456:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  456 |       basic_string(const basic_string& __str)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:456:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:448:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  448 |       basic_string(const _Alloc& __a) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:448:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:439:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  439 |       basic_string()
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:439:7: note:   candidate expects 0 arguments, 2 provided
/usr/include/c++/11/bits/basic_string.h:153:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__sv_wrapper, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:153:33: note:   no known conversion for argument 1 from ‘const char*’ to ‘std::__cxx11::basic_string<char>::__sv_wrapper’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~^~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h: In function ‘std::__cxx11::basic_string<wchar_t> std::literals::string_literals::operator""s(const wchar_t*, size_t)’:
/usr/include/c++/11/bits/basic_string.h:6967:48: error: no matching function for call to ‘std::__cxx11::basic_string<wchar_t>::basic_string(<brace-enclosed initializer list>)’
 6967 |     { return basic_string<wchar_t>{__str, __len}; }
      |                                                ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:664:9: note: candidate: ‘template<class _Tp, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Tp&, const _Alloc&) [with _Tp = _Tp; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; _Alloc = std::allocator<wchar_t>]’
  664 |         basic_string(const _Tp& __t, const _Alloc& __a = _Alloc())
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:664:9: note:   template argument deduction/substitution failed:
/usr/include/c++/11/bits/basic_string.h:638:9: note: candidate: ‘template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(_InputIterator, _InputIterator, const _Alloc&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; _Alloc = std::allocator<wchar_t>]’
  638 |         basic_string(_InputIterator __beg, _InputIterator __end,
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:638:9: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6967:48: note:   deduced conflicting types for parameter ‘_InputIterator’ (‘const wchar_t*’ and ‘long unsigned int’)
 6967 |     { return basic_string<wchar_t>{__str, __len}; }
      |                                                ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:533:7: note: candidate: ‘template<class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, const _Alloc&) [with <template-parameter-2-1> = <template-parameter-1-1>; _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; _Alloc = std::allocator<wchar_t>]’
  533 |       basic_string(const _CharT* __s, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:533:7: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6967:43: note:   cannot convert ‘__len’ (type ‘size_t’ {aka ‘long unsigned int’}) to type ‘const std::allocator<wchar_t>&’
 6967 |     { return basic_string<wchar_t>{__str, __len}; }
      |                                           ^~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:600:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const _Alloc&) [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; _Alloc = std::allocator<wchar_t>]’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:600:56: note:   no known conversion for argument 2 from ‘size_t’ {aka ‘long unsigned int’} to ‘const std::allocator<wchar_t>&’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |                                          ~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:596:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _Alloc&) [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; _Alloc = std::allocator<wchar_t>]’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:596:61: note:   no known conversion for argument 2 from ‘size_t’ {aka ‘long unsigned int’} to ‘const std::allocator<wchar_t>&’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |                                               ~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:592:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::initializer_list<_Tp>, const _Alloc&) [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; _Alloc = std::allocator<wchar_t>]’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:592:45: note:   no known conversion for argument 1 from ‘const wchar_t*’ to ‘std::initializer_list<wchar_t>’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |                    ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:565:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; _Alloc = std::allocator<wchar_t>]’
  565 |       basic_string(basic_string&& __str) noexcept
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:565:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:456:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; _Alloc = std::allocator<wchar_t>]’
  456 |       basic_string(const basic_string& __str)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:456:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:448:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Alloc&) [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; _Alloc = std::allocator<wchar_t>]’
  448 |       basic_string(const _Alloc& __a) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:448:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:439:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string() [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; _Alloc = std::allocator<wchar_t>]’
  439 |       basic_string()
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:439:7: note:   candidate expects 0 arguments, 2 provided
/usr/include/c++/11/bits/basic_string.h:153:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__sv_wrapper, const _Alloc&) [with _CharT = wchar_t; _Traits = std::char_traits<wchar_t>; _Alloc = std::allocator<wchar_t>]’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:153:33: note:   no known conversion for argument 1 from ‘const wchar_t*’ to ‘std::__cxx11::basic_string<wchar_t>::__sv_wrapper’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~^~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h: In function ‘std::__cxx11::basic_string<char8_t> std::literals::string_literals::operator""s(const char8_t*, size_t)’:
/usr/include/c++/11/bits/basic_string.h:6974:48: error: no matching function for call to ‘std::__cxx11::basic_string<char8_t>::basic_string(<brace-enclosed initializer list>)’
 6974 |     { return basic_string<char8_t>{__str, __len}; }
      |                                                ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:664:9: note: candidate: ‘template<class _Tp, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Tp&, const _Alloc&) [with _Tp = _Tp; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char8_t; _Traits = std::char_traits<char8_t>; _Alloc = std::allocator<char8_t>]’
  664 |         basic_string(const _Tp& __t, const _Alloc& __a = _Alloc())
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:664:9: note:   template argument deduction/substitution failed:
/usr/include/c++/11/bits/basic_string.h:638:9: note: candidate: ‘template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(_InputIterator, _InputIterator, const _Alloc&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char8_t; _Traits = std::char_traits<char8_t>; _Alloc = std::allocator<char8_t>]’
  638 |         basic_string(_InputIterator __beg, _InputIterator __end,
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:638:9: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6974:48: note:   deduced conflicting types for parameter ‘_InputIterator’ (‘const char8_t*’ and ‘long unsigned int’)
 6974 |     { return basic_string<char8_t>{__str, __len}; }
      |                                                ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:533:7: note: candidate: ‘template<class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, const _Alloc&) [with <template-parameter-2-1> = <template-parameter-1-1>; _CharT = char8_t; _Traits = std::char_traits<char8_t>; _Alloc = std::allocator<char8_t>]’
  533 |       basic_string(const _CharT* __s, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:533:7: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6974:43: note:   cannot convert ‘__len’ (type ‘size_t’ {aka ‘long unsigned int’}) to type ‘const std::allocator<char8_t>&’
 6974 |     { return basic_string<char8_t>{__str, __len}; }
      |                                           ^~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:600:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const _Alloc&) [with _CharT = char8_t; _Traits = std::char_traits<char8_t>; _Alloc = std::allocator<char8_t>]’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:600:56: note:   no known conversion for argument 2 from ‘size_t’ {aka ‘long unsigned int’} to ‘const std::allocator<char8_t>&’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |                                          ~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:596:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _Alloc&) [with _CharT = char8_t; _Traits = std::char_traits<char8_t>; _Alloc = std::allocator<char8_t>]’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:596:61: note:   no known conversion for argument 2 from ‘size_t’ {aka ‘long unsigned int’} to ‘const std::allocator<char8_t>&’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |                                               ~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:592:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::initializer_list<_Tp>, const _Alloc&) [with _CharT = char8_t; _Traits = std::char_traits<char8_t>; _Alloc = std::allocator<char8_t>]’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:592:45: note:   no known conversion for argument 1 from ‘const char8_t*’ to ‘std::initializer_list<char8_t>’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |                    ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:565:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char8_t; _Traits = std::char_traits<char8_t>; _Alloc = std::allocator<char8_t>]’
  565 |       basic_string(basic_string&& __str) noexcept
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:565:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:456:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char8_t; _Traits = std::char_traits<char8_t>; _Alloc = std::allocator<char8_t>]’
  456 |       basic_string(const basic_string& __str)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:456:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:448:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Alloc&) [with _CharT = char8_t; _Traits = std::char_traits<char8_t>; _Alloc = std::allocator<char8_t>]’
  448 |       basic_string(const _Alloc& __a) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:448:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:439:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string() [with _CharT = char8_t; _Traits = std::char_traits<char8_t>; _Alloc = std::allocator<char8_t>]’
  439 |       basic_string()
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:439:7: note:   candidate expects 0 arguments, 2 provided
/usr/include/c++/11/bits/basic_string.h:153:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__sv_wrapper, const _Alloc&) [with _CharT = char8_t; _Traits = std::char_traits<char8_t>; _Alloc = std::allocator<char8_t>]’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:153:33: note:   no known conversion for argument 1 from ‘const char8_t*’ to ‘std::__cxx11::basic_string<char8_t>::__sv_wrapper’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~^~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h: In function ‘std::__cxx11::basic_string<char16_t> std::literals::string_literals::operator""s(const char16_t*, size_t)’:
/usr/include/c++/11/bits/basic_string.h:6980:49: error: no matching function for call to ‘std::__cxx11::basic_string<char16_t>::basic_string(<brace-enclosed initializer list>)’
 6980 |     { return basic_string<char16_t>{__str, __len}; }
      |                                                 ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:664:9: note: candidate: ‘template<class _Tp, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Tp&, const _Alloc&) [with _Tp = _Tp; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>]’
  664 |         basic_string(const _Tp& __t, const _Alloc& __a = _Alloc())
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:664:9: note:   template argument deduction/substitution failed:
/usr/include/c++/11/bits/basic_string.h:638:9: note: candidate: ‘template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(_InputIterator, _InputIterator, const _Alloc&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>]’
  638 |         basic_string(_InputIterator __beg, _InputIterator __end,
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:638:9: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6980:49: note:   deduced conflicting types for parameter ‘_InputIterator’ (‘const char16_t*’ and ‘long unsigned int’)
 6980 |     { return basic_string<char16_t>{__str, __len}; }
      |                                                 ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:533:7: note: candidate: ‘template<class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, const _Alloc&) [with <template-parameter-2-1> = <template-parameter-1-1>; _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>]’
  533 |       basic_string(const _CharT* __s, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:533:7: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6980:44: note:   cannot convert ‘__len’ (type ‘size_t’ {aka ‘long unsigned int’}) to type ‘const std::allocator<char16_t>&’
 6980 |     { return basic_string<char16_t>{__str, __len}; }
      |                                            ^~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:600:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const _Alloc&) [with _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>]’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:600:56: note:   no known conversion for argument 2 from ‘size_t’ {aka ‘long unsigned int’} to ‘const std::allocator<char16_t>&’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |                                          ~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:596:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _Alloc&) [with _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>]’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:596:61: note:   no known conversion for argument 2 from ‘size_t’ {aka ‘long unsigned int’} to ‘const std::allocator<char16_t>&’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |                                               ~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:592:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::initializer_list<_Tp>, const _Alloc&) [with _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>]’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:592:45: note:   no known conversion for argument 1 from ‘const char16_t*’ to ‘std::initializer_list<char16_t>’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |                    ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:565:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>]’
  565 |       basic_string(basic_string&& __str) noexcept
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:565:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:456:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>]’
  456 |       basic_string(const basic_string& __str)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:456:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:448:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Alloc&) [with _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>]’
  448 |       basic_string(const _Alloc& __a) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:448:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:439:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string() [with _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>]’
  439 |       basic_string()
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:439:7: note:   candidate expects 0 arguments, 2 provided
/usr/include/c++/11/bits/basic_string.h:153:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__sv_wrapper, const _Alloc&) [with _CharT = char16_t; _Traits = std::char_traits<char16_t>; _Alloc = std::allocator<char16_t>]’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:153:33: note:   no known conversion for argument 1 from ‘const char16_t*’ to ‘std::__cxx11::basic_string<char16_t>::__sv_wrapper’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~^~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h: In function ‘std::__cxx11::basic_string<char32_t> std::literals::string_literals::operator""s(const char32_t*, size_t)’:
/usr/include/c++/11/bits/basic_string.h:6985:49: error: no matching function for call to ‘std::__cxx11::basic_string<char32_t>::basic_string(<brace-enclosed initializer list>)’
 6985 |     { return basic_string<char32_t>{__str, __len}; }
      |                                                 ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:664:9: note: candidate: ‘template<class _Tp, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Tp&, const _Alloc&) [with _Tp = _Tp; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>]’
  664 |         basic_string(const _Tp& __t, const _Alloc& __a = _Alloc())
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:664:9: note:   template argument deduction/substitution failed:
/usr/include/c++/11/bits/basic_string.h:638:9: note: candidate: ‘template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(_InputIterator, _InputIterator, const _Alloc&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>]’
  638 |         basic_string(_InputIterator __beg, _InputIterator __end,
      |         ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:638:9: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6985:49: note:   deduced conflicting types for parameter ‘_InputIterator’ (‘const char32_t*’ and ‘long unsigned int’)
 6985 |     { return basic_string<char32_t>{__str, __len}; }
      |                                                 ^
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:533:7: note: candidate: ‘template<class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, const _Alloc&) [with <template-parameter-2-1> = <template-parameter-1-1>; _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>]’
  533 |       basic_string(const _CharT* __s, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:533:7: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:6985:44: note:   cannot convert ‘__len’ (type ‘size_t’ {aka ‘long unsigned int’}) to type ‘const std::allocator<char32_t>&’
 6985 |     { return basic_string<char32_t>{__str, __len}; }
      |                                            ^~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:600:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const _Alloc&) [with _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>]’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:600:56: note:   no known conversion for argument 2 from ‘size_t’ {aka ‘long unsigned int’} to ‘const std::allocator<char32_t>&’
  600 |       basic_string(basic_string&& __str, const _Alloc& __a)
      |                                          ~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:596:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _Alloc&) [with _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>]’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:596:61: note:   no known conversion for argument 2 from ‘size_t’ {aka ‘long unsigned int’} to ‘const std::allocator<char32_t>&’
  596 |       basic_string(const basic_string& __str, const _Alloc& __a)
      |                                               ~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:592:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::initializer_list<_Tp>, const _Alloc&) [with _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>]’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:592:45: note:   no known conversion for argument 1 from ‘const char32_t*’ to ‘std::initializer_list<char32_t>’
  592 |       basic_string(initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
      |                    ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:565:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>]’
  565 |       basic_string(basic_string&& __str) noexcept
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:565:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:456:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>]’
  456 |       basic_string(const basic_string& __str)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:456:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:448:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _Alloc&) [with _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>]’
  448 |       basic_string(const _Alloc& __a) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:448:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/basic_string.h:439:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string() [with _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>]’
  439 |       basic_string()
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:439:7: note:   candidate expects 0 arguments, 2 provided
/usr/include/c++/11/bits/basic_string.h:153:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__sv_wrapper, const _Alloc&) [with _CharT = char32_t; _Traits = std::char_traits<char32_t>; _Alloc = std::allocator<char32_t>]’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |       ^~~~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:153:33: note:   no known conversion for argument 1 from ‘const char32_t*’ to ‘std::__cxx11::basic_string<char32_t>::__sv_wrapper’
  153 |       basic_string(__sv_wrapper __svw, const _Alloc& __a)
      |                    ~~~~~~~~~~~~~^~~~~
In file included from /usr/include/c++/11/string:56,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.tcc: In function ‘std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)’:
/usr/include/c++/11/bits/basic_string.tcc:1507:21: error: ‘streamsize’ does not name a type
 1507 |               const streamsize __w = __in.width();
      |                     ^~~~~~~~~~
/usr/include/c++/11/bits/basic_string.tcc:1508:39: error: ‘__w’ was not declared in this scope; did you mean ‘__n’?
 1508 |               const __size_type __n = __w > 0 ? static_cast<__size_type>(__w)
      |                                       ^~~
      |                                       __n
In file included from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/ios_base.h: At global scope:
/usr/include/c++/11/bits/ios_base.h:545:5: error: ‘streamsize’ does not name a type
  545 |     streamsize          _M_precision;
      |     ^~~~~~~~~~
/usr/include/c++/11/bits/ios_base.h:546:5: error: ‘streamsize’ does not name a type
  546 |     streamsize          _M_width;
      |     ^~~~~~~~~~
/usr/include/c++/11/bits/ios_base.h:718:5: error: ‘streamsize’ does not name a type
  718 |     streamsize
      |     ^~~~~~~~~~
/usr/include/c++/11/bits/ios_base.h:727:5: error: ‘streamsize’ does not name a type
  727 |     streamsize
      |     ^~~~~~~~~~
/usr/include/c++/11/bits/ios_base.h:741:5: error: ‘streamsize’ does not name a type
  741 |     streamsize
      |     ^~~~~~~~~~
/usr/include/c++/11/bits/ios_base.h:750:5: error: ‘streamsize’ does not name a type
  750 |     streamsize
      |     ^~~~~~~~~~
In file included from /usr/include/c++/11/ios:43,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/streambuf:52:5: error: ‘streamsize’ does not name a type
   52 |     streamsize
      |     ^~~~~~~~~~
/usr/include/c++/11/streambuf:149:14: error: ‘streamsize’ does not name a type
  149 |       friend streamsize
      |              ^~~~~~~~~~
/usr/include/c++/11/streambuf:169:54: error: ‘streamsize’ has not been declared
  169 |       friend void __istream_extract(istream&, char*, streamsize);
      |                                                      ^~~~~~~~~~
/usr/include/c++/11/streambuf:244:33: error: ‘streamsize’ has not been declared
  244 |       pubsetbuf(char_type* __s, streamsize __n)
      |                                 ^~~~~~~~~~
/usr/include/c++/11/streambuf:288:7: error: ‘streamsize’ does not name a type
  288 |       streamsize
      |       ^~~~~~~~~~
/usr/include/c++/11/streambuf:361:7: error: ‘streamsize’ does not name a type
  361 |       streamsize
      |       ^~~~~~~~~~
/usr/include/c++/11/streambuf:454:7: error: ‘streamsize’ does not name a type
  454 |       streamsize
      |       ^~~~~~~~~~
/usr/include/c++/11/streambuf:596:26: error: ‘streamsize’ has not been declared
  596 |       setbuf(char_type*, streamsize)
      |                          ^~~~~~~~~~
/usr/include/c++/11/streambuf:653:15: error: ‘streamsize’ does not name a type
  653 |       virtual streamsize
      |               ^~~~~~~~~~
/usr/include/c++/11/streambuf:669:15: error: ‘streamsize’ does not name a type
  669 |       virtual streamsize
      |               ^~~~~~~~~~
/usr/include/c++/11/streambuf:746:15: error: ‘streamsize’ does not name a type
  746 |       virtual streamsize
      |               ^~~~~~~~~~
/usr/include/c++/11/streambuf:800:20: error: ‘streamsize’ has not been declared
  800 |       __safe_gbump(streamsize __n) { _M_in_cur += __n; }
      |                    ^~~~~~~~~~
/usr/include/c++/11/streambuf:803:20: error: ‘streamsize’ has not been declared
  803 |       __safe_pbump(streamsize __n) { _M_out_cur += __n; }
      |                    ^~~~~~~~~~
/usr/include/c++/11/streambuf:843:5: error: ‘streamsize’ does not name a type
  843 |     streamsize
      |     ^~~~~~~~~~
/usr/include/c++/11/streambuf:848:5: error: ‘streamsize’ does not name a type
  848 |     streamsize
      |     ^~~~~~~~~~
In file included from /usr/include/c++/11/streambuf:858,
                 from /usr/include/c++/11/ios:43,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/streambuf.tcc:44:5: error: ‘streamsize’ does not name a type
   44 |     streamsize
      |     ^~~~~~~~~~
/usr/include/c++/11/bits/streambuf.tcc:78:5: error: ‘streamsize’ does not name a type
   78 |     streamsize
      |     ^~~~~~~~~~
/usr/include/c++/11/bits/streambuf.tcc:115:5: error: ‘streamsize’ does not name a type
  115 |     streamsize
      |     ^~~~~~~~~~
/usr/include/c++/11/bits/streambuf.tcc:138:12: error: ‘streamsize’ does not name a type
  138 |     inline streamsize
      |            ^~~~~~~~~~
/usr/include/c++/11/bits/streambuf.tcc:151:5: error: ‘streamsize’ is not a template function
  151 |     streamsize
      |     ^~~~~~~~~~
/usr/include/c++/11/bits/streambuf.tcc:151:15: error: expected ‘;’ before ‘__copy_streambufs’
  151 |     streamsize
      |               ^
      |               ;
  152 |     __copy_streambufs(basic_streambuf<char>*,
      |     ~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/streambuf.tcc:155:5: error: ‘streamsize’ is not a template function
  155 |     streamsize
      |     ^~~~~~~~~~
/usr/include/c++/11/bits/streambuf.tcc:155:15: error: expected ‘;’ before ‘__copy_streambufs_eof’
  155 |     streamsize
      |               ^
      |               ;
  156 |     __copy_streambufs_eof(basic_streambuf<char>*,
      |     ~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/streambuf.tcc:162:5: error: ‘streamsize’ is not a template function
  162 |     streamsize
      |     ^~~~~~~~~~
/usr/include/c++/11/bits/streambuf.tcc:162:15: error: expected ‘;’ before ‘__copy_streambufs’
  162 |     streamsize
      |               ^
      |               ;
  163 |     __copy_streambufs(basic_streambuf<wchar_t>*,
      |     ~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/streambuf.tcc:166:5: error: ‘streamsize’ is not a template function
  166 |     streamsize
      |     ^~~~~~~~~~
/usr/include/c++/11/bits/streambuf.tcc:166:15: error: expected ‘;’ before ‘__copy_streambufs_eof’
  166 |     streamsize
      |               ^
      |               ;
  167 |     __copy_streambufs_eof(basic_streambuf<wchar_t>*,
      |     ~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/locale_facets.h:48,
                 from /usr/include/c++/11/bits/basic_ios.h:37,
                 from /usr/include/c++/11/ios:44,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/streambuf_iterator.h:311:34: error: ‘streamsize’ has not been declared
  311 |       _M_put(const _CharT* __ws, streamsize __len)
      |                                  ^~~~~~~~~~
/usr/include/c++/11/bits/streambuf_iterator.h: In function ‘typename __gnu_cxx::__enable_if<std::__is_char<_CharT>::__value, std::ostreambuf_iterator<_CharT, std::char_traits<_CharT> > >::__type std::__copy_move_a2(_CharT*, _CharT*, std::ostreambuf_iterator<_CharT, std::char_traits<_CharT> >)’:
/usr/include/c++/11/bits/streambuf_iterator.h:345:13: error: ‘streamsize’ does not name a type
  345 |       const streamsize __num = __last - __first;
      |             ^~~~~~~~~~
/usr/include/c++/11/bits/streambuf_iterator.h:346:11: error: ‘__num’ was not declared in this scope
  346 |       if (__num > 0)
      |           ^~~~~
/usr/include/c++/11/bits/streambuf_iterator.h: In function ‘typename __gnu_cxx::__enable_if<std::__is_char<_CharT>::__value, std::ostreambuf_iterator<_CharT, std::char_traits<_CharT> > >::__type std::__copy_move_a2(const _CharT*, const _CharT*, std::ostreambuf_iterator<_CharT, std::char_traits<_CharT> >)’:
/usr/include/c++/11/bits/streambuf_iterator.h:357:13: error: ‘streamsize’ does not name a type
  357 |       const streamsize __num = __last - __first;
      |             ^~~~~~~~~~
/usr/include/c++/11/bits/streambuf_iterator.h:358:11: error: ‘__num’ was not declared in this scope
  358 |       if (__num > 0)
      |           ^~~~~
/usr/include/c++/11/bits/streambuf_iterator.h: In function ‘typename __gnu_cxx::__enable_if<std::__is_char<_CharT>::__value, _CharT*>::__type std::__copy_move_a2(std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, _CharT*)’:
/usr/include/c++/11/bits/streambuf_iterator.h:380:21: error: ‘streamsize’ does not name a type
  380 |               const streamsize __n = __sb->egptr() - __sb->gptr();
      |                     ^~~~~~~~~~
/usr/include/c++/11/bits/streambuf_iterator.h:381:19: error: ‘__n’ was not declared in this scope; did you mean ‘__c’?
  381 |               if (__n > 1)
      |                   ^~~
      |                   __c
/usr/include/c++/11/bits/streambuf_iterator.h: In function ‘typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> > >::__type std::find(std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, const _CharT2&)’:
/usr/include/c++/11/bits/streambuf_iterator.h:438:15: error: ‘streamsize’ was not declared in this scope
  438 |               streamsize __n = __sb->egptr() - __sb->gptr();
      |               ^~~~~~~~~~
/usr/include/c++/11/bits/streambuf_iterator.h:439:19: error: ‘__n’ was not declared in this scope; did you mean ‘__c’?
  439 |               if (__n > 1)
      |                   ^~~
      |                   __c
/usr/include/c++/11/bits/streambuf_iterator.h: In function ‘typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, void>::__type std::advance(std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >&, _Distance)’:
/usr/include/c++/11/bits/streambuf_iterator.h:480:11: error: ‘streamsize’ was not declared in this scope
  480 |           streamsize __size = __sb->egptr() - __sb->gptr();
      |           ^~~~~~~~~~
/usr/include/c++/11/bits/streambuf_iterator.h:481:15: error: ‘__size’ was not declared in this scope; did you mean ‘ssize’?
  481 |           if (__size > __n)
      |               ^~~~~~
      |               ssize
/usr/include/c++/11/bits/streambuf_iterator.h:487:30: error: ‘__size’ was not declared in this scope; did you mean ‘ssize’?
  487 |           __sb->__safe_gbump(__size);
      |                              ^~~~~~
      |                              ssize
In file included from /usr/include/c++/11/bits/basic_ios.h:37,
                 from /usr/include/c++/11/ios:44,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/locale_facets.h: At global scope:
/usr/include/c++/11/bits/locale_facets.h:102:36: error: ‘streamsize’ has not been declared
  102 |              const _CharT* __olds, streamsize __newlen, streamsize __oldlen);
      |                                    ^~~~~~~~~~
/usr/include/c++/11/bits/locale_facets.h:102:57: error: ‘streamsize’ has not been declared
  102 |              const _CharT* __olds, streamsize __newlen, streamsize __oldlen);
      |                                                         ^~~~~~~~~~
In file included from /usr/include/c++/11/bits/basic_ios.h:37,
                 from /usr/include/c++/11/ios:44,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/locale_facets.h:2508:32: error: ‘streamsize’ has not been declared
 2508 |       _M_pad(char_type __fill, streamsize __w, ios_base& __io,
      |                                ^~~~~~~~~~
In file included from /usr/include/c++/11/bits/locale_facets.h:2682,
                 from /usr/include/c++/11/bits/basic_ios.h:37,
                 from /usr/include/c++/11/ios:44,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/locale_facets.tcc: In member function ‘void std::__numpunct_cache<_CharT>::_M_cache(const std::locale&)’:
/usr/include/c++/11/bits/locale_facets.tcc:88:34: error: ‘const string’ {aka ‘const class std::__cxx11::basic_string<char>’} has no member named ‘size’
   88 |           _M_grouping_size = __g.size();
      |                                  ^~~~
/usr/include/c++/11/bits/locale_facets.tcc:90:15: error: ‘const string’ {aka ‘const class std::__cxx11::basic_string<char>’} has no member named ‘copy’
   90 |           __g.copy(__grouping, _M_grouping_size);
      |               ^~~~
/usr/include/c++/11/bits/locale_facets.tcc: In member function ‘_InIter std::num_get<_CharT, _InIter>::_M_extract_float(_InIter, _InIter, std::ios_base&, std::ios_base::iostate&, std::string&) const’:
/usr/include/c++/11/bits/locale_facets.tcc:211:33: error: no matching function for call to ‘std::__cxx11::basic_string<char>::reserve(int)’
  211 |         __found_grouping.reserve(32);
      |         ~~~~~~~~~~~~~~~~~~~~~~~~^~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:1009:7: note: candidate: ‘void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::reserve() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
 1009 |       reserve();
      |       ^~~~~~~
/usr/include/c++/11/bits/basic_string.h:1009:7: note:   candidate expects 0 arguments, 1 provided
In file included from /usr/include/c++/11/bits/locale_facets.h:2682,
                 from /usr/include/c++/11/bits/basic_ios.h:37,
                 from /usr/include/c++/11/ios:44,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/locale_facets.tcc:296:42: error: ‘std::string’ {aka ‘class std::__cxx11::basic_string<char>’} has no member named ‘size’
  296 |                     if (__found_grouping.size())
      |                                          ^~~~
/usr/include/c++/11/bits/locale_facets.tcc:319:42: error: ‘std::string’ {aka ‘class std::__cxx11::basic_string<char>’} has no member named ‘size’
  319 |                     if (__found_grouping.size() && !__found_dec)
      |                                          ^~~~
/usr/include/c++/11/bits/locale_facets.tcc:355:28: error: ‘std::string’ {aka ‘class std::__cxx11::basic_string<char>’} has no member named ‘size’
  355 |       if (__found_grouping.size())
      |                            ^~~~
/usr/include/c++/11/bits/locale_facets.tcc: In member function ‘_InIter std::num_get<_CharT, _InIter>::_M_extract_int(_InIter, _InIter, std::ios_base&, std::ios_base::iostate&, _ValueT&) const’:
/usr/include/c++/11/bits/locale_facets.tcc:469:35: error: no matching function for call to ‘std::__cxx11::basic_string<char>::reserve(int)’
  469 |           __found_grouping.reserve(32);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~^~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:1009:7: note: candidate: ‘void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::reserve() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
 1009 |       reserve();
      |       ^~~~~~~
/usr/include/c++/11/bits/basic_string.h:1009:7: note:   candidate expects 0 arguments, 1 provided
In file included from /usr/include/c++/11/bits/locale_facets.h:2682,
                 from /usr/include/c++/11/bits/basic_ios.h:37,
                 from /usr/include/c++/11/ios:44,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/locale_facets.tcc:555:30: error: ‘std::string’ {aka ‘class std::__cxx11::basic_string<char>’} has no member named ‘size’
  555 |         if (__found_grouping.size())
      |                              ^~~~
/usr/include/c++/11/bits/locale_facets.tcc:568:63: error: ‘std::string’ {aka ‘class std::__cxx11::basic_string<char>’} has no member named ‘size’
  568 |         if ((!__sep_pos && !__found_zero && !__found_grouping.size())
      |                                                               ^~~~
/usr/include/c++/11/bits/locale_facets.tcc: In member function ‘virtual _InIter std::num_get<_CharT, _InIter>::do_get(std::num_get<_CharT, _InIter>::iter_type, std::num_get<_CharT, _InIter>::iter_type, std::ios_base&, std::ios_base::iostate&, float&) const’:
/usr/include/c++/11/bits/locale_facets.tcc:695:21: error: no matching function for call to ‘std::__cxx11::basic_string<char>::reserve(int)’
  695 |       __xtrc.reserve(32);
      |       ~~~~~~~~~~~~~~^~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:1009:7: note: candidate: ‘void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::reserve() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
 1009 |       reserve();
      |       ^~~~~~~
/usr/include/c++/11/bits/basic_string.h:1009:7: note:   candidate expects 0 arguments, 1 provided
In file included from /usr/include/c++/11/bits/locale_facets.h:2682,
                 from /usr/include/c++/11/bits/basic_ios.h:37,
                 from /usr/include/c++/11/ios:44,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/locale_facets.tcc: In member function ‘virtual _InIter std::num_get<_CharT, _InIter>::do_get(std::num_get<_CharT, _InIter>::iter_type, std::num_get<_CharT, _InIter>::iter_type, std::ios_base&, std::ios_base::iostate&, double&) const’:
/usr/include/c++/11/bits/locale_facets.tcc:710:21: error: no matching function for call to ‘std::__cxx11::basic_string<char>::reserve(int)’
  710 |       __xtrc.reserve(32);
      |       ~~~~~~~~~~~~~~^~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:1009:7: note: candidate: ‘void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::reserve() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
 1009 |       reserve();
      |       ^~~~~~~
/usr/include/c++/11/bits/basic_string.h:1009:7: note:   candidate expects 0 arguments, 1 provided
In file included from /usr/include/c++/11/bits/locale_facets.h:2682,
                 from /usr/include/c++/11/bits/basic_ios.h:37,
                 from /usr/include/c++/11/ios:44,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/locale_facets.tcc: In member function ‘virtual _InIter std::num_get<_CharT, _InIter>::do_get(std::num_get<_CharT, _InIter>::iter_type, std::num_get<_CharT, _InIter>::iter_type, std::ios_base&, std::ios_base::iostate&, long double&) const’:
/usr/include/c++/11/bits/locale_facets.tcc:742:21: error: no matching function for call to ‘std::__cxx11::basic_string<char>::reserve(int)’
  742 |       __xtrc.reserve(32);
      |       ~~~~~~~~~~~~~~^~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h:1009:7: note: candidate: ‘void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::reserve() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
 1009 |       reserve();
      |       ^~~~~~~
/usr/include/c++/11/bits/basic_string.h:1009:7: note:   candidate expects 0 arguments, 1 provided
In file included from /usr/include/c++/11/bits/locale_facets.h:2682,
                 from /usr/include/c++/11/bits/basic_ios.h:37,
                 from /usr/include/c++/11/ios:44,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/locale_facets.tcc: At global scope:
/usr/include/c++/11/bits/locale_facets.tcc:798:27: error: ‘streamsize’ has not been declared
  798 |     _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
      |                           ^~~~~~~~~~
/usr/include/c++/11/bits/locale_facets.tcc: In member function ‘_OutIter std::num_put<_CharT, _OutIter>::_M_insert_int(_OutIter, std::ios_base&, _CharT, _ValueT) const’:
/usr/include/c++/11/bits/locale_facets.tcc:939:15: error: ‘streamsize’ does not name a type
  939 |         const streamsize __w = __io.width();
      |               ^~~~~~~~~~
/usr/include/c++/11/bits/locale_facets.tcc:940:13: error: ‘__w’ was not declared in this scope; did you mean ‘__u’?
  940 |         if (__w > static_cast<streamsize>(__len))
      |             ^~~
      |             __u
/usr/include/c++/11/bits/locale_facets.tcc:940:31: error: ‘streamsize’ does not name a type
  940 |         if (__w > static_cast<streamsize>(__len))
      |                               ^~~~~~~~~~
/usr/include/c++/11/bits/locale_facets.tcc:947:14: error: ‘class std::ios_base’ has no member named ‘width’
  947 |         __io.width(0);
      |              ^~~~~
/usr/include/c++/11/bits/locale_facets.tcc: In member function ‘_OutIter std::num_put<_CharT, _OutIter>::_M_insert_float(_OutIter, std::ios_base&, _CharT, char, _ValueT) const’:
/usr/include/c++/11/bits/locale_facets.tcc:1002:15: error: ‘streamsize’ does not name a type
 1002 |         const streamsize __prec = __io.precision() < 0 ? 6 : __io.precision();
      |               ^~~~~~~~~~
/usr/include/c++/11/bits/locale_facets.tcc:1024:49: error: ‘__prec’ was not declared in this scope; did you mean ‘__xref’?
 1024 |                                         __fbuf, __prec, __v);
      |                                                 ^~~~~~
      |                                                 __xref
/usr/include/c++/11/bits/locale_facets.tcc:1036:53: error: ‘__prec’ was not declared in this scope; did you mean ‘__xref’?
 1036 |                                             __fbuf, __prec, __v);
      |                                                     ^~~~~~
      |                                                     __xref
/usr/include/c++/11/bits/locale_facets.tcc:1089:13: error: ‘streamsize’ was not declared in this scope
 1089 |             streamsize __off = 0;
      |             ^~~~~~~~~~
/usr/include/c++/11/bits/locale_facets.tcc:1092:17: error: ‘__off’ was not declared in this scope
 1092 |                 __off = 1;
      |                 ^~~~~
/usr/include/c++/11/bits/locale_facets.tcc:1098:66: error: ‘__off’ was not declared in this scope
 1098 |                            __lc->_M_thousands_sep, __wp, __ws2 + __off,
      |                                                                  ^~~~~
/usr/include/c++/11/bits/locale_facets.tcc:1106:15: error: ‘streamsize’ does not name a type
 1106 |         const streamsize __w = __io.width();
      |               ^~~~~~~~~~
/usr/include/c++/11/bits/locale_facets.tcc:1107:13: error: ‘__w’ was not declared in this scope; did you mean ‘__p’?
 1107 |         if (__w > static_cast<streamsize>(__len))
      |             ^~~
      |             __p
/usr/include/c++/11/bits/locale_facets.tcc:1107:31: error: ‘streamsize’ does not name a type
 1107 |         if (__w > static_cast<streamsize>(__len))
      |                               ^~~~~~~~~~
/usr/include/c++/11/bits/locale_facets.tcc:1114:14: error: ‘class std::ios_base’ has no member named ‘width’
 1114 |         __io.width(0);
      |              ^~~~~
/usr/include/c++/11/bits/locale_facets.tcc: In member function ‘virtual _OutIter std::num_put<_CharT, _OutIter>::do_put(std::num_put<_CharT, _OutIter>::iter_type, std::ios_base&, std::num_put<_CharT, _OutIter>::char_type, bool) const’:
/usr/include/c++/11/bits/locale_facets.tcc:1144:17: error: ‘streamsize’ does not name a type
 1144 |           const streamsize __w = __io.width();
      |                 ^~~~~~~~~~
/usr/include/c++/11/bits/locale_facets.tcc:1145:15: error: ‘__w’ was not declared in this scope; did you mean ‘__s’?
 1145 |           if (__w > static_cast<streamsize>(__len))
      |               ^~~
      |               __s
/usr/include/c++/11/bits/locale_facets.tcc:1145:33: error: ‘streamsize’ does not name a type
 1145 |           if (__w > static_cast<streamsize>(__len))
      |                                 ^~~~~~~~~~
/usr/include/c++/11/bits/locale_facets.tcc:1147:21: error: ‘streamsize’ does not name a type
 1147 |               const streamsize __plen = __w - __len;
      |                     ^~~~~~~~~~
/usr/include/c++/11/bits/locale_facets.tcc:1150:59: error: ‘__plen’ was not declared in this scope; did you mean ‘__len’?
 1150 |                                                         * __plen));
      |                                                           ^~~~~~
      |                                                           __len
/usr/include/c++/11/bits/locale_facets.tcc:1153:20: error: ‘class std::ios_base’ has no member named ‘width’
 1153 |               __io.width(0);
      |                    ^~~~~
/usr/include/c++/11/bits/locale_facets.tcc:1167:16: error: ‘class std::ios_base’ has no member named ‘width’
 1167 |           __io.width(0);
      |                ^~~~~
/usr/include/c++/11/bits/locale_facets.tcc: At global scope:
/usr/include/c++/11/bits/locale_facets.tcc:1237:36: error: ‘streamsize’ has not been declared
 1237 |                                    streamsize __newlen, streamsize __oldlen)
      |                                    ^~~~~~~~~~
/usr/include/c++/11/bits/locale_facets.tcc:1237:57: error: ‘streamsize’ has not been declared
 1237 |                                    streamsize __newlen, streamsize __oldlen)
      |                                                         ^~~~~~~~~~
In file included from /usr/include/c++/11/istream:39,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/ostream:324:38: error: ‘streamsize’ has not been declared
  324 |       _M_write(const char_type* __s, streamsize __n)
      |                                      ^~~~~~~~~~
/usr/include/c++/11/ostream:348:35: error: ‘streamsize’ has not been declared
  348 |       write(const char_type* __s, streamsize __n);
      |                                   ^~~~~~~~~~
/usr/include/c++/11/ostream: In member function ‘void std::basic_ostream<_CharT, _Traits>::_M_write(const char_type*, int)’:
/usr/include/c++/11/ostream:326:15: error: ‘streamsize’ does not name a type
  326 |         const streamsize __put = this->rdbuf()->sputn(__s, __n);
      |               ^~~~~~~~~~
/usr/include/c++/11/ostream:327:13: error: ‘__put’ was not declared in this scope; did you mean ‘put’?
  327 |         if (__put != __n)
      |             ^~~~~
      |             put
/usr/include/c++/11/ostream: In function ‘std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const _CharT*)’:
/usr/include/c++/11/ostream:600:38: error: ‘streamsize’ does not name a type
  600 |                          static_cast<streamsize>(_Traits::length(__s)));
      |                                      ^~~~~~~~~~
/usr/include/c++/11/ostream: In function ‘std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const char*)’:
/usr/include/c++/11/ostream:617:38: error: ‘streamsize’ does not name a type
  617 |                          static_cast<streamsize>(_Traits::length(__s)));
      |                                      ^~~~~~~~~~
In file included from /usr/include/c++/11/ostream:829,
                 from /usr/include/c++/11/istream:39,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/ostream.tcc: At global scope:
/usr/include/c++/11/bits/ostream.tcc:183:30: error: ‘streamsize’ has not been declared
  183 |     write(const _CharT* __s, streamsize __n)
      |                              ^~~~~~~~~~
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/istream:82:7: error: ‘streamsize’ does not name a type
   82 |       streamsize                _M_gcount;
      |       ^~~~~~~~~~
/usr/include/c++/11/istream:268:7: error: ‘streamsize’ does not name a type
  268 |       streamsize
      |       ^~~~~~~~~~
/usr/include/c++/11/istream:343:27: error: ‘streamsize’ has not been declared
  343 |       get(char_type* __s, streamsize __n, char_type __delim);
      |                           ^~~~~~~~~~
/usr/include/c++/11/istream:354:27: error: ‘streamsize’ has not been declared
  354 |       get(char_type* __s, streamsize __n)
      |                           ^~~~~~~~~~
/usr/include/c++/11/istream:416:31: error: ‘streamsize’ has not been declared
  416 |       getline(char_type* __s, streamsize __n, char_type __delim);
      |                               ^~~~~~~~~~
/usr/include/c++/11/istream:427:31: error: ‘streamsize’ has not been declared
  427 |       getline(char_type* __s, streamsize __n)
      |                               ^~~~~~~~~~
/usr/include/c++/11/istream:451:14: error: ‘streamsize’ has not been declared
  451 |       ignore(streamsize __n, int_type __delim);
      |              ^~~~~~~~~~
/usr/include/c++/11/istream:454:14: error: ‘streamsize’ has not been declared
  454 |       ignore(streamsize __n);
      |              ^~~~~~~~~~
/usr/include/c++/11/istream:486:28: error: ‘streamsize’ has not been declared
  486 |       read(char_type* __s, streamsize __n);
      |                            ^~~~~~~~~~
/usr/include/c++/11/istream:504:7: error: ‘streamsize’ does not name a type
  504 |       streamsize
      |       ^~~~~~~~~~
/usr/include/c++/11/istream: In constructor ‘std::basic_istream<_CharT, _Traits>::basic_istream(std::basic_istream<_CharT, _Traits>::__streambuf_type*)’:
/usr/include/c++/11/istream:94:9: error: class ‘std::basic_istream<_CharT, _Traits>’ does not have any field named ‘_M_gcount’
   94 |       : _M_gcount(streamsize(0))
      |         ^~~~~~~~~
/usr/include/c++/11/istream:94:19: error: there are no arguments to ‘streamsize’ that depend on a template parameter, so a declaration of ‘streamsize’ must be available [-fpermissive]
   94 |       : _M_gcount(streamsize(0))
      |                   ^~~~~~~~~~
/usr/include/c++/11/istream:94:19: note: (if you use ‘-fpermissive’, G++ will accept your code, but allowing the use of an undeclared name is deprecated)
/usr/include/c++/11/istream: In destructor ‘virtual std::basic_istream<_CharT, _Traits>::~basic_istream()’:
/usr/include/c++/11/istream:104:9: error: ‘_M_gcount’ was not declared in this scope
  104 |       { _M_gcount = streamsize(0); }
      |         ^~~~~~~~~
/usr/include/c++/11/istream:104:21: error: there are no arguments to ‘streamsize’ that depend on a template parameter, so a declaration of ‘streamsize’ must be available [-fpermissive]
  104 |       { _M_gcount = streamsize(0); }
      |                     ^~~~~~~~~~
/usr/include/c++/11/istream: In constructor ‘std::basic_istream<_CharT, _Traits>::basic_istream()’:
/usr/include/c++/11/istream:607:9: error: class ‘std::basic_istream<_CharT, _Traits>’ does not have any field named ‘_M_gcount’
  607 |       : _M_gcount(streamsize(0))
      |         ^~~~~~~~~
/usr/include/c++/11/istream:607:19: error: there are no arguments to ‘streamsize’ that depend on a template parameter, so a declaration of ‘streamsize’ must be available [-fpermissive]
  607 |       : _M_gcount(streamsize(0))
      |                   ^~~~~~~~~~
/usr/include/c++/11/istream: In constructor ‘std::basic_istream<_CharT, _Traits>::basic_istream(std::basic_istream<_CharT, _Traits>&&)’:
/usr/include/c++/11/istream:614:23: error: class ‘std::basic_istream<_CharT, _Traits>’ does not have any field named ‘_M_gcount’
  614 |       : __ios_type(), _M_gcount(__rhs._M_gcount)
      |                       ^~~~~~~~~
/usr/include/c++/11/istream: In member function ‘void std::basic_istream<_CharT, _Traits>::swap(std::basic_istream<_CharT, _Traits>&)’:
/usr/include/c++/11/istream:635:19: error: ‘_M_gcount’ was not declared in this scope
  635 |         std::swap(_M_gcount, __rhs._M_gcount);
      |                   ^~~~~~~~~
/usr/include/c++/11/istream: At global scope:
/usr/include/c++/11/istream:648:29: error: ‘streamsize’ has not been declared
  648 |     getline(char_type* __s, streamsize __n, char_type __delim);
      |                             ^~~~~~~~~~
/usr/include/c++/11/istream:652:5: error: ‘std::basic_istream<char>& std::basic_istream<char>::ignore’ is not a static data member of ‘class std::basic_istream<char>’
  652 |     basic_istream<char>::
      |     ^~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/istream:653:12: error: ‘streamsize’ was not declared in this scope
  653 |     ignore(streamsize __n);
      |            ^~~~~~~~~~
/usr/include/c++/11/istream:657:5: error: ‘std::basic_istream<char>& std::basic_istream<char>::ignore’ is not a static data member of ‘class std::basic_istream<char>’
  657 |     basic_istream<char>::
      |     ^~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/istream:658:12: error: ‘streamsize’ was not declared in this scope
  658 |     ignore(streamsize __n, int_type __delim);
      |            ^~~~~~~~~~
/usr/include/c++/11/istream:658:37: error: expected primary-expression before ‘__delim’
  658 |     ignore(streamsize __n, int_type __delim);
      |                                     ^~~~~~~
/usr/include/c++/11/istream:658:44: error: expression list treated as compound expression in initializer [-fpermissive]
  658 |     ignore(streamsize __n, int_type __delim);
      |                                            ^
/usr/include/c++/11/istream:664:29: error: ‘streamsize’ has not been declared
  664 |     getline(char_type* __s, streamsize __n, char_type __delim);
      |                             ^~~~~~~~~~
/usr/include/c++/11/istream:668:5: error: ‘std::basic_istream<wchar_t>& std::basic_istream<wchar_t>::ignore’ is not a static data member of ‘class std::basic_istream<wchar_t>’
  668 |     basic_istream<wchar_t>::
      |     ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/istream:669:12: error: ‘streamsize’ was not declared in this scope
  669 |     ignore(streamsize __n);
      |            ^~~~~~~~~~
/usr/include/c++/11/istream:673:5: error: ‘std::basic_istream<wchar_t>& std::basic_istream<wchar_t>::ignore’ is not a static data member of ‘class std::basic_istream<wchar_t>’
  673 |     basic_istream<wchar_t>::
      |     ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/istream:674:12: error: ‘streamsize’ was not declared in this scope
  674 |     ignore(streamsize __n, int_type __delim);
      |            ^~~~~~~~~~
/usr/include/c++/11/istream:674:37: error: expected primary-expression before ‘__delim’
  674 |     ignore(streamsize __n, int_type __delim);
      |                                     ^~~~~~~
/usr/include/c++/11/istream:674:44: error: expression list treated as compound expression in initializer [-fpermissive]
  674 |     ignore(streamsize __n, int_type __delim);
      |                                            ^
/usr/include/c++/11/istream:768:65: error: ‘streamsize’ has not been declared
  768 |     __istream_extract(basic_istream<_CharT, _Traits>&, _CharT*, streamsize);
      |                                                                 ^~~~~~~~~~
/usr/include/c++/11/istream:770:43: error: ‘streamsize’ has not been declared
  770 |   void __istream_extract(istream&, char*, streamsize);
      |                                           ^~~~~~~~~~
/usr/include/c++/11/istream: In function ‘std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT (&)[_Num])’:
/usr/include/c++/11/istream:840:57: error: ‘streamsize’ was not declared in this scope
  840 |       static_assert(_Num <= __gnu_cxx::__numeric_traits<streamsize>::__max);
      |                                                         ^~~~~~~~~~
/usr/include/c++/11/istream:840:67: error: template argument 1 is invalid
  840 |       static_assert(_Num <= __gnu_cxx::__numeric_traits<streamsize>::__max);
      |                                                                   ^
In file included from /usr/include/c++/11/istream:995,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/istream.tcc: In member function ‘std::basic_istream<_CharT, _Traits>::int_type std::basic_istream<_CharT, _Traits>::get()’:
/usr/include/c++/11/bits/istream.tcc:248:7: error: ‘_M_gcount’ was not declared in this scope
  248 |       _M_gcount = 0;
      |       ^~~~~~~~~
/usr/include/c++/11/bits/istream.tcc: In member function ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::get(std::basic_istream<_CharT, _Traits>::char_type&)’:
/usr/include/c++/11/bits/istream.tcc:282:7: error: ‘_M_gcount’ was not declared in this scope
  282 |       _M_gcount = 0;
      |       ^~~~~~~~~
/usr/include/c++/11/bits/istream.tcc: At global scope:
/usr/include/c++/11/bits/istream.tcc:317:25: error: ‘streamsize’ has not been declared
  317 |     get(char_type* __s, streamsize __n, char_type __delim)
      |                         ^~~~~~~~~~
/usr/include/c++/11/bits/istream.tcc: In member function ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::get(std::basic_istream<_CharT, _Traits>::char_type*, int, std::basic_istream<_CharT, _Traits>::char_type)’:
/usr/include/c++/11/bits/istream.tcc:319:7: error: ‘_M_gcount’ was not declared in this scope
  319 |       _M_gcount = 0;
      |       ^~~~~~~~~
/usr/include/c++/11/bits/istream.tcc: In member function ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::get(std::basic_istream<_CharT, _Traits>::__streambuf_type&, std::basic_istream<_CharT, _Traits>::char_type)’:
/usr/include/c++/11/bits/istream.tcc:366:7: error: ‘_M_gcount’ was not declared in this scope
  366 |       _M_gcount = 0;
      |       ^~~~~~~~~
/usr/include/c++/11/bits/istream.tcc:392:59: error: ‘streamsize’ was not declared in this scope
  392 |               if (__gcount <= __gnu_cxx::__numeric_traits<streamsize>::__max)
      |                                                           ^~~~~~~~~~
/usr/include/c++/11/bits/istream.tcc:392:69: error: template argument 1 is invalid
  392 |               if (__gcount <= __gnu_cxx::__numeric_traits<streamsize>::__max)
      |                                                                     ^
/usr/include/c++/11/bits/istream.tcc: At global scope:
/usr/include/c++/11/bits/istream.tcc:415:29: error: ‘streamsize’ has not been declared
  415 |     getline(char_type* __s, streamsize __n, char_type __delim)
      |                             ^~~~~~~~~~
/usr/include/c++/11/bits/istream.tcc: In member function ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::getline(std::basic_istream<_CharT, _Traits>::char_type*, int, std::basic_istream<_CharT, _Traits>::char_type)’:
/usr/include/c++/11/bits/istream.tcc:417:7: error: ‘_M_gcount’ was not declared in this scope
  417 |       _M_gcount = 0;
      |       ^~~~~~~~~
/usr/include/c++/11/bits/istream.tcc: In member function ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::ignore()’:
/usr/include/c++/11/bits/istream.tcc:477:7: error: ‘_M_gcount’ was not declared in this scope
  477 |       _M_gcount = 0;
      |       ^~~~~~~~~
/usr/include/c++/11/bits/istream.tcc: At global scope:
/usr/include/c++/11/bits/istream.tcc:507:5: error: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::ignore’ is not a static data member of ‘class std::basic_istream<_CharT, _Traits>’
  507 |     basic_istream<_CharT, _Traits>::
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/istream.tcc:508:12: error: template definition of non-template ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::ignore’
  508 |     ignore(streamsize __n)
      |            ^~~~~~~~~~
/usr/include/c++/11/bits/istream.tcc:508:12: error: ‘streamsize’ was not declared in this scope
/usr/include/c++/11/bits/istream.tcc:577:5: error: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::ignore’ is not a static data member of ‘class std::basic_istream<_CharT, _Traits>’
  577 |     basic_istream<_CharT, _Traits>::
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/istream.tcc:578:12: error: template definition of non-template ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::ignore’
  578 |     ignore(streamsize __n, int_type __delim)
      |            ^~~~~~~~~~
/usr/include/c++/11/bits/istream.tcc:578:12: error: ‘streamsize’ was not declared in this scope
/usr/include/c++/11/bits/istream.tcc:578:37: error: expected primary-expression before ‘__delim’
  578 |     ignore(streamsize __n, int_type __delim)
      |                                     ^~~~~~~
/usr/include/c++/11/bits/istream.tcc: In member function ‘std::basic_istream<_CharT, _Traits>::int_type std::basic_istream<_CharT, _Traits>::peek()’:
/usr/include/c++/11/bits/istream.tcc:658:7: error: ‘_M_gcount’ was not declared in this scope
  658 |       _M_gcount = 0;
      |       ^~~~~~~~~
/usr/include/c++/11/bits/istream.tcc: At global scope:
/usr/include/c++/11/bits/istream.tcc:685:26: error: ‘streamsize’ has not been declared
  685 |     read(char_type* __s, streamsize __n)
      |                          ^~~~~~~~~~
/usr/include/c++/11/bits/istream.tcc: In member function ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::read(std::basic_istream<_CharT, _Traits>::char_type*, int)’:
/usr/include/c++/11/bits/istream.tcc:687:7: error: ‘_M_gcount’ was not declared in this scope
  687 |       _M_gcount = 0;
      |       ^~~~~~~~~
/usr/include/c++/11/bits/istream.tcc: At global scope:
/usr/include/c++/11/bits/istream.tcc:712:5: error: ‘streamsize’ does not name a type
  712 |     streamsize
      |     ^~~~~~~~~~
/usr/include/c++/11/bits/istream.tcc: In member function ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::putback(std::basic_istream<_CharT, _Traits>::char_type)’:
/usr/include/c++/11/bits/istream.tcc:750:7: error: ‘_M_gcount’ was not declared in this scope
  750 |       _M_gcount = 0;
      |       ^~~~~~~~~
/usr/include/c++/11/bits/istream.tcc: In member function ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::unget()’:
/usr/include/c++/11/bits/istream.tcc:785:7: error: ‘_M_gcount’ was not declared in this scope
  785 |       _M_gcount = 0;
      |       ^~~~~~~~~
/usr/include/c++/11/bits/istream.tcc: At global scope:
/usr/include/c++/11/bits/istream.tcc:991:23: error: ‘streamsize’ has not been declared
  991 |                       streamsize __num)
      |                       ^~~~~~~~~~
/usr/include/c++/11/bits/istream.tcc: In function ‘void std::__istream_extract(std::basic_istream<_CharT, _Traits>&, _CharT*, int)’:
/usr/include/c++/11/bits/istream.tcc:999:7: error: ‘streamsize’ was not declared in this scope
  999 |       streamsize __extracted = 0;
      |       ^~~~~~~~~~
/usr/include/c++/11/bits/istream.tcc:1007:25: error: expected ‘;’ before ‘__width’
 1007 |               streamsize __width = __in.width();
      |                         ^~~~~~~~
      |                         ;
/usr/include/c++/11/bits/istream.tcc:1008:23: error: ‘__width’ was not declared in this scope; did you mean ‘wcwidth’?
 1008 |               if (0 < __width && __width < __num)
      |                       ^~~~~~~
      |                       wcwidth
/usr/include/c++/11/bits/istream.tcc:1017:22: error: ‘__extracted’ was not declared in this scope
 1017 |               while (__extracted < __num - 1
      |                      ^~~~~~~~~~~
/usr/include/c++/11/bits/istream.tcc:1027:19: error: ‘__extracted’ was not declared in this scope
 1027 |               if (__extracted < __num - 1
      |                   ^~~~~~~~~~~
/usr/include/c++/11/bits/istream.tcc:1044:12: error: ‘__extracted’ was not declared in this scope
 1044 |       if (!__extracted)
      |            ^~~~~~~~~~~
/usr/include/c++/11/bits/istream.tcc: At global scope:
/usr/include/c++/11/bits/istream.tcc:1103:63: error: ‘streamsize’ has not been declared
 1103 |   extern template void __istream_extract(wistream&, wchar_t*, streamsize);
      |                                                               ^~~~~~~~~~
In file included from /usr/include/c++/11/fstream:42,
                 from main.cpp:27:
/usr/include/x86_64-linux-gnu/c++/11/bits/basic_file.h:112:7: error: ‘streamsize’ does not name a type
  112 |       streamsize
      |       ^~~~~~~~~~
/usr/include/x86_64-linux-gnu/c++/11/bits/basic_file.h:115:7: error: ‘streamsize’ does not name a type
  115 |       streamsize
      |       ^~~~~~~~~~
/usr/include/x86_64-linux-gnu/c++/11/bits/basic_file.h:119:7: error: ‘streamsize’ does not name a type
  119 |       streamsize
      |       ^~~~~~~~~~
/usr/include/x86_64-linux-gnu/c++/11/bits/basic_file.h:128:7: error: ‘streamsize’ does not name a type
  128 |       streamsize
      |       ^~~~~~~~~~
In file included from main.cpp:27:
/usr/include/c++/11/fstream:188:7: error: ‘streamsize’ does not name a type
  188 |       streamsize                _M_ext_buf_size;
      |       ^~~~~~~~~~
/usr/include/c++/11/fstream:376:15: error: ‘streamsize’ does not name a type
  376 |       virtual streamsize
      |               ^~~~~~~~~~
/usr/include/c++/11/fstream:403:42: error: ‘streamsize’ has not been declared
  403 |       _M_convert_to_external(char_type*, streamsize);
      |                                          ^~~~~~~~~~
/usr/include/c++/11/fstream:418:30: error: ‘streamsize’ has not been declared
  418 |       setbuf(char_type* __s, streamsize __n);
      |                              ^~~~~~~~~~
/usr/include/c++/11/fstream:441:15: error: ‘streamsize’ does not name a type
  441 |       virtual streamsize
      |               ^~~~~~~~~~
/usr/include/c++/11/fstream:444:15: error: ‘streamsize’ does not name a type
  444 |       virtual streamsize
      |               ^~~~~~~~~~
/usr/include/c++/11/fstream:464:21: error: ‘streamsize’ has not been declared
  464 |       _M_set_buffer(streamsize __off)
      |                     ^~~~~~~~~~
In file included from /usr/include/c++/11/fstream:1298,
                 from main.cpp:27:
/usr/include/c++/11/bits/fstream.tcc: In member function ‘void std::basic_filebuf<_CharT, _Traits>::_M_destroy_internal_buffer()’:
/usr/include/c++/11/bits/fstream.tcc:74:7: error: ‘_M_ext_buf_size’ was not declared in this scope; did you mean ‘_M_buf_size’?
   74 |       _M_ext_buf_size = 0;
      |       ^~~~~~~~~~~~~~~
      |       _M_buf_size
/usr/include/c++/11/bits/fstream.tcc: In constructor ‘std::basic_filebuf<_CharT, _Traits>::basic_filebuf()’:
/usr/include/c++/11/bits/fstream.tcc:86:35: error: class ‘std::basic_filebuf<_CharT, _Traits>’ does not have any field named ‘_M_ext_buf_size’
   86 |     _M_codecvt(0), _M_ext_buf(0), _M_ext_buf_size(0), _M_ext_next(0),
      |                                   ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/fstream.tcc: In constructor ‘std::basic_filebuf<_CharT, _Traits>::basic_filebuf(std::basic_filebuf<_CharT, _Traits>&&)’:
/usr/include/c++/11/bits/fstream.tcc:114:5: error: class ‘std::basic_filebuf<_CharT, _Traits>’ does not have any field named ‘_M_ext_buf_size’
  114 |     _M_ext_buf_size(std::__exchange(__rhs._M_ext_buf_size, 0)),
      |     ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/fstream.tcc: In member function ‘std::basic_filebuf<_CharT, _Traits>& std::basic_filebuf<_CharT, _Traits>::operator=(std::basic_filebuf<_CharT, _Traits>&&)’:
/usr/include/c++/11/bits/fstream.tcc:138:7: error: ‘_M_ext_buf_size’ was not declared in this scope; did you mean ‘_M_buf_size’?
  138 |       _M_ext_buf_size = std::__exchange(__rhs._M_ext_buf_size, 0);
      |       ^~~~~~~~~~~~~~~
      |       _M_buf_size
/usr/include/c++/11/bits/fstream.tcc: In member function ‘void std::basic_filebuf<_CharT, _Traits>::swap(std::basic_filebuf<_CharT, _Traits>&)’:
/usr/include/c++/11/bits/fstream.tcc:166:17: error: ‘_M_ext_buf_size’ was not declared in this scope; did you mean ‘_M_buf_size’?
  166 |       std::swap(_M_ext_buf_size, __rhs._M_ext_buf_size);
      |                 ^~~~~~~~~~~~~~~
      |                 _M_buf_size
/usr/include/c++/11/bits/fstream.tcc: At global scope:
/usr/include/c++/11/bits/fstream.tcc:296:5: error: ‘streamsize’ does not name a type
  296 |     streamsize
      |     ^~~~~~~~~~
/usr/include/c++/11/bits/fstream.tcc: In member function ‘virtual std::basic_filebuf<_CharT, _Traits>::int_type std::basic_filebuf<_CharT, _Traits>::underflow()’:
/usr/include/c++/11/bits/fstream.tcc:351:11: error: ‘streamsize’ was not declared in this scope
  351 |           streamsize __ilen = 0;
      |           ^~~~~~~~~~
/usr/include/c++/11/bits/fstream.tcc:355:15: error: ‘__ilen’ was not declared in this scope
  355 |               __ilen = _M_file.xsgetn(reinterpret_cast<char*>(this->eback()),
      |               ^~~~~~
/usr/include/c++/11/bits/fstream.tcc:355:32: error: ‘std::basic_filebuf<_CharT, _Traits>::__file_type’ has no member named ‘xsgetn’
  355 |               __ilen = _M_file.xsgetn(reinterpret_cast<char*>(this->eback()),
      |                                ^~~~~~
/usr/include/c++/11/bits/fstream.tcc:365:25: error: expected ‘;’ before ‘__blen’
  365 |               streamsize __blen; // Minimum buffer size.
      |                         ^~~~~~~
      |                         ;
/usr/include/c++/11/bits/fstream.tcc:366:25: error: expected ‘;’ before ‘__rlen’
  366 |               streamsize __rlen; // Number of chars to read.
      |                         ^~~~~~~
      |                         ;
/usr/include/c++/11/bits/fstream.tcc:368:17: error: ‘__blen’ was not declared in this scope; did you mean ‘mblen’?
  368 |                 __blen = __rlen = __buflen * __enc;
      |                 ^~~~~~
      |                 mblen
/usr/include/c++/11/bits/fstream.tcc:368:26: error: ‘__rlen’ was not declared in this scope; did you mean ‘mbrlen’?
  368 |                 __blen = __rlen = __buflen * __enc;
      |                          ^~~~~~
      |                          mbrlen
/usr/include/c++/11/bits/fstream.tcc:371:19: error: ‘__blen’ was not declared in this scope; did you mean ‘mblen’?
  371 |                   __blen = __buflen + _M_codecvt->max_length() - 1;
      |                   ^~~~~~
      |                   mblen
/usr/include/c++/11/bits/fstream.tcc:372:19: error: ‘__rlen’ was not declared in this scope; did you mean ‘mbrlen’?
  372 |                   __rlen = __buflen;
      |                   ^~~~~~
      |                   mbrlen
/usr/include/c++/11/bits/fstream.tcc:374:21: error: ‘streamsize’ does not name a type
  374 |               const streamsize __remainder = _M_ext_end - _M_ext_next;
      |                     ^~~~~~~~~~
/usr/include/c++/11/bits/fstream.tcc:375:15: error: ‘__rlen’ was not declared in this scope; did you mean ‘mbrlen’?
  375 |               __rlen = __rlen > __remainder ? __rlen - __remainder : 0;
      |               ^~~~~~
      |               mbrlen
/usr/include/c++/11/bits/fstream.tcc:375:33: error: ‘__remainder’ was not declared in this scope
  375 |               __rlen = __rlen > __remainder ? __rlen - __remainder : 0;
      |                                 ^~~~~~~~~~~
/usr/include/c++/11/bits/fstream.tcc:384:37: error: ‘__blen’ was not declared in this scope; did you mean ‘mblen’?
  384 |               if (_M_ext_buf_size < __blen)
      |                                     ^~~~~~
      |                                     mblen
/usr/include/c++/11/bits/fstream.tcc:384:19: error: ‘_M_ext_buf_size’ was not declared in this scope; did you mean ‘_M_buf_size’?
  384 |               if (_M_ext_buf_size < __blen)
      |                   ^~~~~~~~~~~~~~~
      |                   _M_buf_size
/usr/include/c++/11/bits/fstream.tcc:408:62: error: ‘_M_ext_buf_size’ was not declared in this scope; did you mean ‘_M_buf_size’?
  408 |                       if (_M_ext_end - _M_ext_buf + __rlen > _M_ext_buf_size)
      |                                                              ^~~~~~~~~~~~~~~
      |                                                              _M_buf_size
/usr/include/c++/11/bits/fstream.tcc:414:33: error: expected ‘;’ before ‘__elen’
  414 |                       streamsize __elen = _M_file.xsgetn(_M_ext_end, __rlen);
      |                                 ^~~~~~~
      |                                 ;
/usr/include/c++/11/bits/fstream.tcc:415:27: error: ‘__elen’ was not declared in this scope
  415 |                       if (__elen == 0)
      |                           ^~~~~~
/usr/include/c++/11/bits/fstream.tcc:419:37: error: ‘__elen’ was not declared in this scope
  419 |                       _M_ext_end += __elen;
      |                                     ^~~~~~
/usr/include/c++/11/bits/fstream.tcc:431:23: error: ‘__ilen’ was not declared in this scope; did you mean ‘__iend’?
  431 |                       __ilen = std::min(__avail, __buflen);
      |                       ^~~~~~
      |                       __iend
/usr/include/c++/11/bits/fstream.tcc:438:21: error: ‘__ilen’ was not declared in this scope; did you mean ‘__iend’?
  438 |                     __ilen = __iend - this->eback();
      |                     ^~~~~~
      |                     __iend
/usr/include/c++/11/bits/fstream.tcc:448:22: error: ‘__ilen’ was not declared in this scope
  448 |               while (__ilen == 0 && !__got_eof);
      |                      ^~~~~~
/usr/include/c++/11/bits/fstream.tcc:451:15: error: ‘__ilen’ was not declared in this scope
  451 |           if (__ilen > 0)
      |               ^~~~~~
/usr/include/c++/11/bits/fstream.tcc: At global scope:
/usr/include/c++/11/bits/fstream.tcc:607:44: error: ‘streamsize’ has not been declared
  607 |     _M_convert_to_external(_CharT* __ibuf, streamsize __ilen)
      |                                            ^~~~~~~~~~
/usr/include/c++/11/bits/fstream.tcc: In member function ‘bool std::basic_filebuf<_CharT, _Traits>::_M_convert_to_external(_CharT*, int)’:
/usr/include/c++/11/bits/fstream.tcc:610:7: error: ‘streamsize’ was not declared in this scope
  610 |       streamsize __elen;
      |       ^~~~~~~~~~
/usr/include/c++/11/bits/fstream.tcc:611:17: error: expected ‘;’ before ‘__plen’
  611 |       streamsize __plen;
      |                 ^~~~~~~
      |                 ;
/usr/include/c++/11/bits/fstream.tcc:614:11: error: ‘__elen’ was not declared in this scope; did you mean ‘__ilen’?
  614 |           __elen = _M_file.xsputn(reinterpret_cast<char*>(__ibuf), __ilen);
      |           ^~~~~~
      |           __ilen
/usr/include/c++/11/bits/fstream.tcc:614:28: error: ‘std::basic_filebuf<_CharT, _Traits>::__file_type’ has no member named ‘xsputn’
  614 |           __elen = _M_file.xsputn(reinterpret_cast<char*>(__ibuf), __ilen);
      |                            ^~~~~~
/usr/include/c++/11/bits/fstream.tcc:615:11: error: ‘__plen’ was not declared in this scope; did you mean ‘__ilen’?
  615 |           __plen = __ilen;
      |           ^~~~~~
      |           __ilen
/usr/include/c++/11/bits/fstream.tcc:621:21: error: expected ‘;’ before ‘__blen’
  621 |           streamsize __blen = __ilen * _M_codecvt->max_length();
      |                     ^~~~~~~
      |                     ;
/usr/include/c++/11/bits/fstream.tcc:622:61: error: ‘__blen’ was not declared in this scope; did you mean ‘__ilen’?
  622 |           char* __buf = static_cast<char*>(__builtin_alloca(__blen));
      |                                                             ^~~~~~
      |                                                             __ilen
/usr/include/c++/11/bits/fstream.tcc:642:11: error: ‘__elen’ was not declared in this scope; did you mean ‘__ilen’?
  642 |           __elen = _M_file.xsputn(__buf, __blen);
      |           ^~~~~~
      |           __ilen
/usr/include/c++/11/bits/fstream.tcc:642:28: error: ‘std::basic_filebuf<_CharT, _Traits>::__file_type’ has no member named ‘xsputn’
  642 |           __elen = _M_file.xsputn(__buf, __blen);
      |                            ^~~~~~
/usr/include/c++/11/bits/fstream.tcc:643:11: error: ‘__plen’ was not declared in this scope; did you mean ‘__ilen’?
  643 |           __plen = __blen;
      |           ^~~~~~
      |           __ilen
/usr/include/c++/11/bits/fstream.tcc:649:25: error: expected ‘;’ before ‘__rlen’
  649 |               streamsize __rlen = this->pptr() - __iend;
      |                         ^~~~~~~
      |                         ;
/usr/include/c++/11/bits/fstream.tcc:651:49: error: ‘__rlen’ was not declared in this scope; did you mean ‘__ilen’?
  651 |                                     __iresume + __rlen, __iend, __buf,
      |                                                 ^~~~~~
      |                                                 __ilen
/usr/include/c++/11/bits/fstream.tcc:656:36: error: ‘std::basic_filebuf<_CharT, _Traits>::__file_type’ has no member named ‘xsputn’
  656 |                   __elen = _M_file.xsputn(__buf, __rlen);
      |                                    ^~~~~~
/usr/include/c++/11/bits/fstream.tcc:664:14: error: ‘__elen’ was not declared in this scope; did you mean ‘__ilen’?
  664 |       return __elen == __plen;
      |              ^~~~~~
      |              __ilen
/usr/include/c++/11/bits/fstream.tcc:664:24: error: ‘__plen’ was not declared in this scope; did you mean ‘__ilen’?
  664 |       return __elen == __plen;
      |                        ^~~~~~
      |                        __ilen
/usr/include/c++/11/bits/fstream.tcc: At global scope:
/usr/include/c++/11/bits/fstream.tcc:668:5: error: ‘streamsize’ does not name a type
  668 |     streamsize
      |     ^~~~~~~~~~
/usr/include/c++/11/bits/fstream.tcc:754:5: error: ‘streamsize’ does not name a type
  754 |     streamsize
      |     ^~~~~~~~~~
/usr/include/c++/11/bits/fstream.tcc:804:28: error: ‘streamsize’ has not been declared
  804 |     setbuf(char_type* __s, streamsize __n)
      |                            ^~~~~~~~~~
/usr/include/c++/11/bits/fstream.tcc: In member function ‘bool std::basic_filebuf<_CharT, _Traits>::_M_terminate_output()’:
/usr/include/c++/11/bits/fstream.tcc:973:11: error: ‘streamsize’ was not declared in this scope
  973 |           streamsize __ilen = 0;
      |           ^~~~~~~~~~
/usr/include/c++/11/bits/fstream.tcc:985:19: error: ‘__ilen’ was not declared in this scope; did you mean ‘__blen’?
  985 |                   __ilen = __next - __buf;
      |                   ^~~~~~
      |                   __blen
/usr/include/c++/11/bits/fstream.tcc:988:29: error: ‘streamsize’ does not name a type
  988 |                       const streamsize __elen = _M_file.xsputn(__buf, __ilen);
      |                             ^~~~~~~~~~
/usr/include/c++/11/bits/fstream.tcc:989:27: error: ‘__elen’ was not declared in this scope; did you mean ‘__blen’?
  989 |                       if (__elen != __ilen)
      |                           ^~~~~~
      |                           __blen
/usr/include/c++/11/bits/fstream.tcc:994:50: error: ‘__ilen’ was not declared in this scope; did you mean ‘__blen’?
  994 |           while (__r == codecvt_base::partial && __ilen > 0 && __testvalid);
      |                                                  ^~~~~~
      |                                                  __blen
/usr/include/c++/11/bits/fstream.tcc: In member function ‘virtual void std::basic_filebuf<_CharT, _Traits>::imbue(const std::locale&)’:
/usr/include/c++/11/bits/fstream.tcc:1062:29: error: ‘streamsize’ does not name a type
 1062 |                       const streamsize __remainder = _M_ext_end - _M_ext_next;
      |                             ^~~~~~~~~~
/usr/include/c++/11/bits/fstream.tcc:1063:27: error: ‘__remainder’ was not declared in this scope
 1063 |                       if (__remainder)
      |                           ^~~~~~~~~~~
/usr/include/c++/11/bits/fstream.tcc:1067:49: error: ‘__remainder’ was not declared in this scope
 1067 |                       _M_ext_end = _M_ext_buf + __remainder;
      |                                                 ^~~~~~~~~~~
In file included from /usr/include/c++/11/string:55,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:27:
/usr/include/c++/11/bits/basic_string.h: In instantiation of ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’:
/usr/include/c++/11/bits/basic_string.h:6667:12:   required from here
/usr/include/c++/11/bits/basic_string.h:576:31: error: ‘class std::__cxx11::basic_string<char>’ has no member named ‘_M_allocated_capacity’; did you mean ‘_S_local_capacity’?
  576 |             _M_capacity(__str._M_allocated_capacity);
      |                         ~~~~~~^~~~~~~~~~~~~~~~~~~~~
      |                         _S_local_capacity
/usr/include/c++/11/bits/basic_string.h: In instantiation of ‘std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’:
/usr/include/c++/11/system_error:456:50:   required from here
/usr/include/c++/11/bits/basic_string.h:6185:37: error: ‘class std::__cxx11::basic_string<char>’ has no member named ‘size’
 6185 |           const auto __size = __lhs.size() + __rhs.size();
      |                               ~~~~~~^~~~
/usr/include/c++/11/bits/basic_string.h:6185:52: error: ‘class std::__cxx11::basic_string<char>’ has no member named ‘size’
 6185 |           const auto __size = __lhs.size() + __rhs.size();
      |                                              ~~~~~~^~~~
/usr/include/c++/11/bits/basic_string.h:6186:30: error: ‘class std::__cxx11::basic_string<char>’ has no member named ‘capacity’
 6186 |           if (__size > __lhs.capacity() && __size <= __rhs.capacity())
      |                        ~~~~~~^~~~~~~~
/usr/include/c++/11/bits/basic_string.h:6186:60: error: ‘class std::__cxx11::basic_string<char>’ has no member named ‘capacity’
 6186 |           if (__size > __lhs.capacity() && __size <= __rhs.capacity())
      |                                                      ~~~~~~^~~~~~~~
/usr/include/c++/11/bits/basic_string.h:6187:42: error: no matching function for call to ‘std::__cxx11::basic_string<char>::insert(int, std::__cxx11::basic_string<char>&)’
 6187 |             return std::move(__rhs.insert(0, __lhs));
      |                              ~~~~~~~~~~~~^~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:1599:9: note: candidate: ‘template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::insert(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_iterator, _InputIterator, _InputIterator) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
 1599 |         insert(const_iterator __p, _InputIterator __beg, _InputIterator __end)
      |         ^~~~~~
/usr/include/c++/11/bits/basic_string.h:1599:9: note:   template argument deduction/substitution failed:
/usr/include/c++/11/bits/basic_string.h:6187:42: note:   candidate expects 3 arguments, 2 provided
 6187 |             return std::move(__rhs.insert(0, __lhs));
      |                              ~~~~~~~~~~~~^~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:1633:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::insert(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_iterator, std::initializer_list<_Tp>) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator = std::__cxx11::basic_string<char>::iterator; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_iterator = std::__cxx11::basic_string<char>::const_iterator]’
 1633 |       insert(const_iterator __p, initializer_list<_CharT> __l)
      |       ^~~~~~
/usr/include/c++/11/bits/basic_string.h:1633:29: note:   no known conversion for argument 1 from ‘int’ to ‘std::__cxx11::basic_string<char>::const_iterator’
 1633 |       insert(const_iterator __p, initializer_list<_CharT> __l)
      |              ~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:1767:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::insert(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__const_iterator, _CharT) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator = std::__cxx11::basic_string<char>::iterator; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__const_iterator = std::__cxx11::basic_string<char>::const_iterator]’
 1767 |       insert(__const_iterator __p, _CharT __c)
      |       ^~~~~~
/usr/include/c++/11/bits/basic_string.h:1767:31: note:   no known conversion for argument 1 from ‘int’ to ‘std::__cxx11::basic_string<char>::__const_iterator’ {aka ‘std::__cxx11::basic_string<char>::const_iterator’}
 1767 |       insert(__const_iterator __p, _CharT __c)
      |              ~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h: In instantiation of ‘std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’:
/usr/include/c++/11/system_error:459:51:   required from here
/usr/include/c++/11/bits/basic_string.h:6196:36: error: no matching function for call to ‘std::__cxx11::basic_string<char>::insert(int, const char*&)’
 6196 |     { return std::move(__rhs.insert(0, __lhs)); }
      |                        ~~~~~~~~~~~~^~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:1599:9: note: candidate: ‘template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::insert(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_iterator, _InputIterator, _InputIterator) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
 1599 |         insert(const_iterator __p, _InputIterator __beg, _InputIterator __end)
      |         ^~~~~~
/usr/include/c++/11/bits/basic_string.h:1599:9: note:   template argument deduction/substitution failed:
/usr/include/c++/11/bits/basic_string.h:6196:36: note:   candidate expects 3 arguments, 2 provided
 6196 |     { return std::move(__rhs.insert(0, __lhs)); }
      |                        ~~~~~~~~~~~~^~~~~~~~~~
/usr/include/c++/11/bits/basic_string.h:1633:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::insert(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_iterator, std::initializer_list<_Tp>) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator = std::__cxx11::basic_string<char>::iterator; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_iterator = std::__cxx11::basic_string<char>::const_iterator]’
 1633 |       insert(const_iterator __p, initializer_list<_CharT> __l)
      |       ^~~~~~
/usr/include/c++/11/bits/basic_string.h:1633:29: note:   no known conversion for argument 1 from ‘int’ to ‘std::__cxx11::basic_string<char>::const_iterator’
 1633 |       insert(const_iterator __p, initializer_list<_CharT> __l)
      |              ~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h:1767:7: note: candidate: ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::insert(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__const_iterator, _CharT) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator = std::__cxx11::basic_string<char>::iterator; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__const_iterator = std::__cxx11::basic_string<char>::const_iterator]’
 1767 |       insert(__const_iterator __p, _CharT __c)
      |       ^~~~~~
/usr/include/c++/11/bits/basic_string.h:1767:31: note:   no known conversion for argument 1 from ‘int’ to ‘std::__cxx11::basic_string<char>::__const_iterator’ {aka ‘std::__cxx11::basic_string<char>::const_iterator’}
 1767 |       insert(__const_iterator __p, _CharT __c)
      |              ~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/basic_string.h: In instantiation of ‘void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_dispose() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’:
/usr/include/c++/11/bits/basic_string.h:672:9:   required from ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::~basic_string() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’
/usr/include/c++/11/bits/basic_string.h:6665:36:   required from here
/usr/include/c++/11/bits/basic_string.h:240:22: error: using invalid field ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::<unnamed union>::_M_allocated_capacity’
  240 |           _M_destroy(_M_allocated_capacity);
      |                      ^~~~~~~~~~~~~~~~~~~~~