Submisie


Utilizator
Problema
Data
Compilator
Scor
2 August 2023, 21:12
c++20
E.C.

fail

Mesaj compilare

        main.cpp: In function ‘int main()’:
main.cpp:114:9: error: no match for ‘operator>>’ (operand types are ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} and ‘char*’)
  114 |     fin >> (s+1);
      |     ~~~ ^~ ~~~~~
      |     |        |
      |     |        char*
      |     std::ifstream {aka std::basic_ifstream<char>}
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:168:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ (near match)
  168 |       operator>>(bool& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:168:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:114:14: error: cannot bind non-const lvalue reference of type ‘bool&’ to a value of type ‘char*’
  114 |     fin >> (s+1);
      |            ~~^~~
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:172:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]’ (near match)
  172 |       operator>>(short& __n);
      |       ^~~~~~~~
/usr/include/c++/11/istream:172:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:114:14: error: invalid conversion from ‘char*’ to ‘short int’ [-fpermissive]
  114 |     fin >> (s+1);
      |            ~~^~~
      |              |
      |              char*
main.cpp:114:14: error: cannot bind rvalue ‘(short int)(((char*)(& s)) + 1)’ to ‘short int&’
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:175:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ (near match)
  175 |       operator>>(unsigned short& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:175:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:114:14: error: invalid conversion from ‘char*’ to ‘short unsigned int’ [-fpermissive]
  114 |     fin >> (s+1);
      |            ~~^~~
      |              |
      |              char*
main.cpp:114:14: error: cannot bind rvalue ‘(short unsigned int)(((char*)(& s)) + 1)’ to ‘short unsigned int&’
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:179:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]’ (near match)
  179 |       operator>>(int& __n);
      |       ^~~~~~~~
/usr/include/c++/11/istream:179:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:114:14: error: invalid conversion from ‘char*’ to ‘int’ [-fpermissive]
  114 |     fin >> (s+1);
      |            ~~^~~
      |              |
      |              char*
main.cpp:114:14: error: cannot bind rvalue ‘(int)(((char*)(& s)) + 1)’ to ‘int&’
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:182:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ (near match)
  182 |       operator>>(unsigned int& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:182:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:114:14: error: invalid conversion from ‘char*’ to ‘unsigned int’ [-fpermissive]
  114 |     fin >> (s+1);
      |            ~~^~~
      |              |
      |              char*
main.cpp:114:14: error: cannot bind rvalue ‘(unsigned int)(((char*)(& s)) + 1)’ to ‘unsigned int&’
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:186:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ (near match)
  186 |       operator>>(long& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:186:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:114:14: error: invalid conversion from ‘char*’ to ‘long int’ [-fpermissive]
  114 |     fin >> (s+1);
      |            ~~^~~
      |              |
      |              char*
main.cpp:114:14: error: cannot bind rvalue ‘(long int)(((char*)(& s)) + 1)’ to ‘long int&’
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:190:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ (near match)
  190 |       operator>>(unsigned long& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:190:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:114:14: error: invalid conversion from ‘char*’ to ‘long unsigned int’ [-fpermissive]
  114 |     fin >> (s+1);
      |            ~~^~~
      |              |
      |              char*
main.cpp:114:14: error: cannot bind rvalue ‘(long unsigned int)(((char*)(& s)) + 1)’ to ‘long unsigned int&’
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:195:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ (near match)
  195 |       operator>>(long long& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:195:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:114:14: error: invalid conversion from ‘char*’ to ‘long long int’ [-fpermissive]
  114 |     fin >> (s+1);
      |            ~~^~~
      |              |
      |              char*
main.cpp:114:14: error: cannot bind rvalue ‘(long long int)(((char*)(& s)) + 1)’ to ‘long long int&’
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:199:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ (near match)
  199 |       operator>>(unsigned long long& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:199:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:114:14: error: invalid conversion from ‘char*’ to ‘long long unsigned int’ [-fpermissive]
  114 |     fin >> (s+1);
      |            ~~^~~
      |              |
      |              char*
main.cpp:114:14: error: cannot bind rvalue ‘(long long unsigned int)(((char*)(& s)) + 1)’ to ‘long long unsigned int&’
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:235:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ (near match)
  235 |       operator>>(void*& __p)
      |       ^~~~~~~~
/usr/include/c++/11/istream:235:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:114:14: error: cannot bind non-const lvalue reference of type ‘void*&’ to an rvalue of type ‘void*’
  114 |     fin >> (s+1);
      |            ~~^~~
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:120:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__istream_type& (*)(std::basic_istream<_CharT, _Traits>::__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’
  120 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |       ^~~~~~~~
/usr/include/c++/11/istream:120:36: note:   no known conversion for argument 1 from ‘char*’ to ‘std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)’ {aka ‘std::basic_istream<char>& (*)(std::basic_istream<char>&)’}
  120 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |                  ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/istream:124:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__ios_type& (*)(std::basic_istream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>; std::basic_istream<_CharT, _Traits>::__ios_type = std::basic_ios<char>]’
  124 |       operator>>(__ios_type& (*__pf)(__ios_type&))
      |       ^~~~~~~~
/usr/include/c++/11/istream:124:32: note:   no known conversion for argument 1 from ‘char*’ to ‘std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)’ {aka ‘std::basic_ios<char>& (*)(std::basic_ios<char>&)’}
  124 |       operator>>(__ios_type& (*__pf)(__ios_type&))
      |                  ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/11/istream:131:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’
  131 |       operator>>(ios_base& (*__pf)(ios_base&))
      |       ^~~~~~~~
/usr/include/c++/11/istream:131:30: note:   no known conversion for argument 1 from ‘char*’ to ‘std::ios_base& (*)(std::ios_base&)’
  131 |       operator>>(ios_base& (*__pf)(ios_base&))
      |                  ~~~~~~~~~~~~^~~~~~~~~~~~~~~~
/usr/include/c++/11/istream:214:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’
  214 |       operator>>(float& __f)
      |       ^~~~~~~~
/usr/include/c++/11/istream:214:25: note:   no known conversion for argument 1 from ‘char*’ to ‘float&’
  214 |       operator>>(float& __f)
      |                  ~~~~~~~^~~
/usr/include/c++/11/istream:218:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’
  218 |       operator>>(double& __f)
      |       ^~~~~~~~
/usr/include/c++/11/istream:218:26: note:   no known conversion for argument 1 from ‘char*’ to ‘double&’
  218 |       operator>>(double& __f)
      |                  ~~~~~~~~^~~
/usr/include/c++/11/istream:222:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’
  222 |       operator>>(long double& __f)
      |       ^~~~~~~~
/usr/include/c++/11/istream:222:31: note:   no known conversion for argument 1 from ‘char*’ to ‘long double&’
  222 |       operator>>(long double& __f)
      |                  ~~~~~~~~~~~~~^~~
/usr/include/c++/11/istream:259:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>]’
  259 |       operator>>(__streambuf_type* __sb);
      |       ^~~~~~~~
/usr/include/c++/11/istream:259:36: note:   no known conversion for argument 1 from ‘char*’ to ‘std::basic_istream<char>::__streambuf_type*’ {aka ‘std::basic_streambuf<char>*’}
  259 |       operator>>(__streambuf_type* __sb);
      |                  ~~~~~~~~~~~~~~~~~~^~~~
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:4:
/usr/include/c++/11/bits/basic_string.tcc:1485:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)’
 1485 |     operator>>(basic_istream<_CharT, _Traits>& __in,
      |     ^~~~~~~~
/usr/include/c++/11/bits/basic_string.tcc:1485:5: note:   template argument deduction/substitution failed:
main.cpp:114:16: note:   mismatched types ‘std::__cxx11::basic_string<_CharT, _Traits, _Allocator>’ and ‘char*’
  114 |     fin >> (s+1);
      |                ^
In file included from /usr/include/c++/11/istream:995,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/bits/istream.tcc:958:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&)’
  958 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
      |     ^~~~~~~~
/usr/include/c++/11/bits/istream.tcc:958:5: note:   template argument deduction/substitution failed:
main.cpp:114:16: note:   deduced conflicting types for parameter ‘_CharT’ (‘char’ and ‘char*’)
  114 |     fin >> (s+1);
      |                ^
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:756:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char&)’
  756 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
      |     ^~~~~~~~
/usr/include/c++/11/istream:756:5: note:   template argument deduction/substitution failed:
main.cpp:114:14: note:   cannot convert ‘(((char*)(& s)) + 1)’ (type ‘char*’) to type ‘unsigned char&’
  114 |     fin >> (s+1);
      |            ~~^~~
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:761:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char&)’
  761 |     operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
      |     ^~~~~~~~
/usr/include/c++/11/istream:761:5: note:   template argument deduction/substitution failed:
main.cpp:114:14: note:   cannot convert ‘(((char*)(& s)) + 1)’ (type ‘char*’) to type ‘signed char&’
  114 |     fin >> (s+1);
      |            ~~^~~
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:838:5: note: candidate: ‘template<class _CharT, class _Traits, long unsigned int _Num> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT (&)[_Num])’
  838 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT (&__s)[_Num])
      |     ^~~~~~~~
/usr/include/c++/11/istream:838:5: note:   template argument deduction/substitution failed:
main.cpp:114:16: note:   mismatched types ‘_CharT [_Num]’ and ‘char*’
  114 |     fin >> (s+1);
      |                ^
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:847:5: note: candidate: ‘template<class _Traits, long unsigned int _Num> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char (&)[_Num])’
  847 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char (&__s)[_Num])
      |     ^~~~~~~~
/usr/include/c++/11/istream:847:5: note:   template argument deduction/substitution failed:
main.cpp:114:16: note:   mismatched types ‘unsigned char [_Num]’ and ‘char*’
  114 |     fin >> (s+1);
      |                ^
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:852:5: note: candidate: ‘template<class _Traits, long unsigned int _Num> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char (&)[_Num])’
  852 |     operator>>(basic_istream<char, _Traits>& __in, signed char (&__s)[_Num])
      |     ^~~~~~~~
/usr/include/c++/11/istream:852:5: note:   template argument deduction/substitution failed:
main.cpp:114:16: note:   mismatched types ‘signed char [_Num]’ and ‘char*’
  114 |     fin >> (s+1);
      |                ^
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:985:5: note: candidate: ‘template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&)’
  985 |     operator>>(_Istream&& __is, _Tp&& __x)
      |     ^~~~~~~~
/usr/include/c++/11/istream:985:5: note:   template argument deduction/substitution failed:
/usr/include/c++/11/istream: In substitution of ‘template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_ifstream<char>&; _Tp = char*]’:
main.cpp:114:16:   required from here
/usr/include/c++/11/istream:985:5: error: template constraint failure for ‘template<class _Is, class _Tp>  requires (__derived_from_ios_base<_Is>) && requires(_Is& __is, _Tp&& __t) {__is >> (forward<_Tp>)(__t);} using __rvalue_stream_extraction_t = _Is&&’
/usr/include/c++/11/istream:985:5: note: constraints not satisfied
In file included from /usr/include/c++/11/istream:39,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/ostream: In substitution of ‘template<class _Is, class _Tp>  requires (__derived_from_ios_base<_Is>) && requires(_Is& __is, _Tp&& __t) {__is >> (forward<_Tp>)(__t);} using __rvalue_stream_extraction_t = _Is&& [with _Is = std::basic_ifstream<char>&; _Tp = char*]’:
/usr/include/c++/11/istream:985:5:   required by substitution of ‘template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_ifstream<char>&; _Tp = char*]’
main.cpp:114:16:   required from here
/usr/include/c++/11/ostream:717:13:   required for the satisfaction of ‘__derived_from_ios_base<_Is>’ [with _Is = std::basic_ifstream<char, std::char_traits<char> >&]
/usr/include/c++/11/ostream:717:39: note: the expression ‘is_class_v<_Tp> [with _Tp = std::basic_ifstream<char, std::char_traits<char> >&]’ evaluated to ‘false’
  717 |     concept __derived_from_ios_base = is_class_v<_Tp>
      |                                       ^~~~~~~~~~~~~~~
main.cpp:122:13: error: no match for ‘operator>>’ (operand types are ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} and ‘char*’)
  122 |         fin >> (c+1);
      |         ~~~ ^~ ~~~~~
      |         |        |
      |         |        char*
      |         std::ifstream {aka std::basic_ifstream<char>}
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:168:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ (near match)
  168 |       operator>>(bool& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:168:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:122:18: error: cannot bind non-const lvalue reference of type ‘bool&’ to a value of type ‘char*’
  122 |         fin >> (c+1);
      |                ~~^~~
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:172:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]’ (near match)
  172 |       operator>>(short& __n);
      |       ^~~~~~~~
/usr/include/c++/11/istream:172:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:122:18: error: invalid conversion from ‘char*’ to ‘short int’ [-fpermissive]
  122 |         fin >> (c+1);
      |                ~~^~~
      |                  |
      |                  char*
main.cpp:122:18: error: cannot bind rvalue ‘(short int)(((char*)(& c)) + 1)’ to ‘short int&’
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:175:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ (near match)
  175 |       operator>>(unsigned short& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:175:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:122:18: error: invalid conversion from ‘char*’ to ‘short unsigned int’ [-fpermissive]
  122 |         fin >> (c+1);
      |                ~~^~~
      |                  |
      |                  char*
main.cpp:122:18: error: cannot bind rvalue ‘(short unsigned int)(((char*)(& c)) + 1)’ to ‘short unsigned int&’
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:179:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]’ (near match)
  179 |       operator>>(int& __n);
      |       ^~~~~~~~
/usr/include/c++/11/istream:179:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:122:18: error: invalid conversion from ‘char*’ to ‘int’ [-fpermissive]
  122 |         fin >> (c+1);
      |                ~~^~~
      |                  |
      |                  char*
main.cpp:122:18: error: cannot bind rvalue ‘(int)(((char*)(& c)) + 1)’ to ‘int&’
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:182:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ (near match)
  182 |       operator>>(unsigned int& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:182:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:122:18: error: invalid conversion from ‘char*’ to ‘unsigned int’ [-fpermissive]
  122 |         fin >> (c+1);
      |                ~~^~~
      |                  |
      |                  char*
main.cpp:122:18: error: cannot bind rvalue ‘(unsigned int)(((char*)(& c)) + 1)’ to ‘unsigned int&’
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:186:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ (near match)
  186 |       operator>>(long& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:186:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:122:18: error: invalid conversion from ‘char*’ to ‘long int’ [-fpermissive]
  122 |         fin >> (c+1);
      |                ~~^~~
      |                  |
      |                  char*
main.cpp:122:18: error: cannot bind rvalue ‘(long int)(((char*)(& c)) + 1)’ to ‘long int&’
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:190:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ (near match)
  190 |       operator>>(unsigned long& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:190:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:122:18: error: invalid conversion from ‘char*’ to ‘long unsigned int’ [-fpermissive]
  122 |         fin >> (c+1);
      |                ~~^~~
      |                  |
      |                  char*
main.cpp:122:18: error: cannot bind rvalue ‘(long unsigned int)(((char*)(& c)) + 1)’ to ‘long unsigned int&’
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:195:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ (near match)
  195 |       operator>>(long long& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:195:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:122:18: error: invalid conversion from ‘char*’ to ‘long long int’ [-fpermissive]
  122 |         fin >> (c+1);
      |                ~~^~~
      |                  |
      |                  char*
main.cpp:122:18: error: cannot bind rvalue ‘(long long int)(((char*)(& c)) + 1)’ to ‘long long int&’
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:199:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ (near match)
  199 |       operator>>(unsigned long long& __n)
      |       ^~~~~~~~
/usr/include/c++/11/istream:199:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:122:18: error: invalid conversion from ‘char*’ to ‘long long unsigned int’ [-fpermissive]
  122 |         fin >> (c+1);
      |                ~~^~~
      |                  |
      |                  char*
main.cpp:122:18: error: cannot bind rvalue ‘(long long unsigned int)(((char*)(& c)) + 1)’ to ‘long long unsigned int&’
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:235:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’ (near match)
  235 |       operator>>(void*& __p)
      |       ^~~~~~~~
/usr/include/c++/11/istream:235:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:122:18: error: cannot bind non-const lvalue reference of type ‘void*&’ to an rvalue of type ‘void*’
  122 |         fin >> (c+1);
      |                ~~^~~
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:120:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__istream_type& (*)(std::basic_istream<_CharT, _Traits>::__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’
  120 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |       ^~~~~~~~
/usr/include/c++/11/istream:120:36: note:   no known conversion for argument 1 from ‘char*’ to ‘std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)’ {aka ‘std::basic_istream<char>& (*)(std::basic_istream<char>&)’}
  120 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |                  ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/istream:124:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__ios_type& (*)(std::basic_istream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>; std::basic_istream<_CharT, _Traits>::__ios_type = std::basic_ios<char>]’
  124 |       operator>>(__ios_type& (*__pf)(__ios_type&))
      |       ^~~~~~~~
/usr/include/c++/11/istream:124:32: note:   no known conversion for argument 1 from ‘char*’ to ‘std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)’ {aka ‘std::basic_ios<char>& (*)(std::basic_ios<char>&)’}
  124 |       operator>>(__ios_type& (*__pf)(__ios_type&))
      |                  ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/11/istream:131:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’
  131 |       operator>>(ios_base& (*__pf)(ios_base&))
      |       ^~~~~~~~
/usr/include/c++/11/istream:131:30: note:   no known conversion for argument 1 from ‘char*’ to ‘std::ios_base& (*)(std::ios_base&)’
  131 |       operator>>(ios_base& (*__pf)(ios_base&))
      |                  ~~~~~~~~~~~~^~~~~~~~~~~~~~~~
/usr/include/c++/11/istream:214:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’
  214 |       operator>>(float& __f)
      |       ^~~~~~~~
/usr/include/c++/11/istream:214:25: note:   no known conversion for argument 1 from ‘char*’ to ‘float&’
  214 |       operator>>(float& __f)
      |                  ~~~~~~~^~~
/usr/include/c++/11/istream:218:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’
  218 |       operator>>(double& __f)
      |       ^~~~~~~~
/usr/include/c++/11/istream:218:26: note:   no known conversion for argument 1 from ‘char*’ to ‘double&’
  218 |       operator>>(double& __f)
      |                  ~~~~~~~~^~~
/usr/include/c++/11/istream:222:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]’
  222 |       operator>>(long double& __f)
      |       ^~~~~~~~
/usr/include/c++/11/istream:222:31: note:   no known conversion for argument 1 from ‘char*’ to ‘long double&’
  222 |       operator>>(long double& __f)
      |                  ~~~~~~~~~~~~~^~~
/usr/include/c++/11/istream:259:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>]’
  259 |       operator>>(__streambuf_type* __sb);
      |       ^~~~~~~~
/usr/include/c++/11/istream:259:36: note:   no known conversion for argument 1 from ‘char*’ to ‘std::basic_istream<char>::__streambuf_type*’ {aka ‘std::basic_streambuf<char>*’}
  259 |       operator>>(__streambuf_type* __sb);
      |                  ~~~~~~~~~~~~~~~~~~^~~~
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:4:
/usr/include/c++/11/bits/basic_string.tcc:1485:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)’
 1485 |     operator>>(basic_istream<_CharT, _Traits>& __in,
      |     ^~~~~~~~
/usr/include/c++/11/bits/basic_string.tcc:1485:5: note:   template argument deduction/substitution failed:
main.cpp:122:20: note:   mismatched types ‘std::__cxx11::basic_string<_CharT, _Traits, _Allocator>’ and ‘char*’
  122 |         fin >> (c+1);
      |                    ^
In file included from /usr/include/c++/11/istream:995,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/bits/istream.tcc:958:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&)’
  958 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
      |     ^~~~~~~~
/usr/include/c++/11/bits/istream.tcc:958:5: note:   template argument deduction/substitution failed:
main.cpp:122:20: note:   deduced conflicting types for parameter ‘_CharT’ (‘char’ and ‘char*’)
  122 |         fin >> (c+1);
      |                    ^
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:756:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char&)’
  756 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
      |     ^~~~~~~~
/usr/include/c++/11/istream:756:5: note:   template argument deduction/substitution failed:
main.cpp:122:18: note:   cannot convert ‘(((char*)(& c)) + 1)’ (type ‘char*’) to type ‘unsigned char&’
  122 |         fin >> (c+1);
      |                ~~^~~
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:761:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char&)’
  761 |     operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
      |     ^~~~~~~~
/usr/include/c++/11/istream:761:5: note:   template argument deduction/substitution failed:
main.cpp:122:18: note:   cannot convert ‘(((char*)(& c)) + 1)’ (type ‘char*’) to type ‘signed char&’
  122 |         fin >> (c+1);
      |                ~~^~~
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:838:5: note: candidate: ‘template<class _CharT, class _Traits, long unsigned int _Num> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT (&)[_Num])’
  838 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT (&__s)[_Num])
      |     ^~~~~~~~
/usr/include/c++/11/istream:838:5: note:   template argument deduction/substitution failed:
main.cpp:122:20: note:   mismatched types ‘_CharT [_Num]’ and ‘char*’
  122 |         fin >> (c+1);
      |                    ^
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:847:5: note: candidate: ‘template<class _Traits, long unsigned int _Num> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char (&)[_Num])’
  847 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char (&__s)[_Num])
      |     ^~~~~~~~
/usr/include/c++/11/istream:847:5: note:   template argument deduction/substitution failed:
main.cpp:122:20: note:   mismatched types ‘unsigned char [_Num]’ and ‘char*’
  122 |         fin >> (c+1);
      |                    ^
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:852:5: note: candidate: ‘template<class _Traits, long unsigned int _Num> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char (&)[_Num])’
  852 |     operator>>(basic_istream<char, _Traits>& __in, signed char (&__s)[_Num])
      |     ^~~~~~~~
/usr/include/c++/11/istream:852:5: note:   template argument deduction/substitution failed:
main.cpp:122:20: note:   mismatched types ‘signed char [_Num]’ and ‘char*’
  122 |         fin >> (c+1);
      |                    ^
In file included from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/istream:985:5: note: candidate: ‘template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&)’
  985 |     operator>>(_Istream&& __is, _Tp&& __x)
      |     ^~~~~~~~
/usr/include/c++/11/istream:985:5: note:   template argument deduction/substitution failed:
/usr/include/c++/11/istream: In substitution of ‘template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_ifstream<char>&; _Tp = char*]’:
main.cpp:122:20:   required from here
/usr/include/c++/11/istream:985:5: error: template constraint failure for ‘template<class _Is, class _Tp>  requires (__derived_from_ios_base<_Is>) && requires(_Is& __is, _Tp&& __t) {__is >> (forward<_Tp>)(__t);} using __rvalue_stream_extraction_t = _Is&&’
/usr/include/c++/11/istream:985:5: note: constraints not satisfied
In file included from /usr/include/c++/11/istream:39,
                 from /usr/include/c++/11/fstream:38,
                 from main.cpp:4:
/usr/include/c++/11/ostream: In substitution of ‘template<class _Is, class _Tp>  requires (__derived_from_ios_base<_Is>) && requires(_Is& __is, _Tp&& __t) {__is >> (forward<_Tp>)(__t);} using __rvalue_stream_extraction_t = _Is&& [with _Is = std::basic_ifstream<char>&; _Tp = char*]’:
/usr/include/c++/11/istream:985:5:   required by substitution of ‘template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_ifstream<char>&; _Tp = char*]’
main.cpp:122:20:   required from here
/usr/include/c++/11/ostream:717:13:   required for the satisfaction of ‘__derived_from_ios_base<_Is>’ [with _Is = std::basic_ifstream<char, std::char_traits<char> >&]
/usr/include/c++/11/ostream:717:39: note: the expression ‘is_class_v<_Tp> [with _Tp = std::basic_ifstream<char, std::char_traits<char> >&]’ evaluated to ‘false’
  717 |     concept __derived_from_ios_base = is_class_v<_Tp>
      |                                       ^~~~~~~~~~~~~~~