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View Compilation Error

0_0_39624833_8883.cpp: In function 'int main()':
0_0_39624833_8883.cpp:23:31: error: no match for 'operator-' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'char')
   23 |                         v[temp-'a'].push_back(temp);
      |                           ~~~~^~~~
      |                           |    |
      |                           |    char
      |                           std::string {aka std::__cxx11::basic_string<char>}
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_algobase.h:67,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/algorithm:60,
                 from .\stdc++.h:51:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_iterator.h:625:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__y.base() - __x.base())) std::operator-(const reverse_iterator<_IteratorL>&, const reverse_iterator<_IteratorR>&)'
  625 |     operator-(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_iterator.h:625:5: note:   template argument deduction/substitution failed:
0_0_39624833_8883.cpp:23:32: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_IteratorL>'
   23 |                         v[temp-'a'].push_back(temp);
      |                                ^~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_iterator.h:1800:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__x.base() - __y.base())) std::operator-(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1800 |     operator-(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_iterator.h:1800:5: note:   template argument deduction/substitution failed:
0_0_39624833_8883.cpp:23:32: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
   23 |                         v[temp-'a'].push_back(temp);
      |                                ^~~
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/ccomplex:39,
                 from .\stdc++.h:127:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/complex:365:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator-(const complex<_Tp>&, const complex<_Tp>&)'
  365 |     operator-(const complex<_Tp>& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/complex:365:5: note:   template argument deduction/substitution failed:
0_0_39624833_8883.cpp:23:32: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::complex<_Tp>'
   23 |                         v[temp-'a'].push_back(temp);
      |                                ^~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/complex:374:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator-(const complex<_Tp>&, const _Tp&)'
  374 |     operator-(const complex<_Tp>& __x, const _Tp& __y)
      |     ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/complex:374:5: note:   template argument deduction/substitution failed:
0_0_39624833_8883.cpp:23:32: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::complex<_Tp>'
   23 |                         v[temp-'a'].push_back(temp);
      |                                ^~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/complex:383:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator-(const _Tp&, const complex<_Tp>&)'
  383 |     operator-(const _Tp& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/complex:383:5: note:   template argument deduction/substitution failed:
0_0_39624833_8883.cpp:23:32: note:   mismatched types 'const std::complex<_Tp>' and 'char'
   23 |                         v[temp-'a'].push_back(temp);
      |                                ^~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/complex:460:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator-(const complex<_Tp>&)'
  460 |     operator-(const complex<_Tp>& __x)
      |     ^~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/complex:460:5: note:   template argument deduction/substitution failed:
0_0_39624833_8883.cpp:23:32: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::complex<_Tp>'
   23 |                         v[temp-'a'].push_back(temp);
      |                                ^~~
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/valarray:605,
                 from .\stdc++.h:166:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const _Expr<_Dom1, typename _Dom1::value_type>&, const _Expr<_Dom2, typename _Dom2::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
0_0_39624833_8883.cpp:23:32: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   23 |                         v[temp-'a'].push_back(temp);
      |                                ^~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const _Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
0_0_39624833_8883.cpp:23:32: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   23 |                         v[temp-'a'].push_back(temp);
      |                                ^~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const typename _Dom::value_type&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
0_0_39624833_8883.cpp:23:32: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'char'
   23 |                         v[temp-'a'].push_back(temp);
      |                                ^~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const _Expr<_Dom1, typename _Dom1::value_type>&, const valarray<typename _Dom::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
0_0_39624833_8883.cpp:23:32: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   23 |                         v[temp-'a'].push_back(temp);
      |                                ^~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const valarray<typename _Dom::value_type>&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
0_0_39624833_8883.cpp:23:32: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'char'
   23 |                         v[temp-'a'].push_back(temp);
      |                                ^~~
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/valarray:1190:1: note: candidate: 'temp


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