foo.cc: In function 'int main()':
foo.cc:7:17: error: no match for 'operator-' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'int')
    7 |         cout<<(s-1)*(s-1);
      |                ~^~
      |                | |
      |                | int
      |                std::string {aka std::__cxx11::basic_string<char>}
In file included from /nix/store/h5kvfrjmpw792v8jg7nrzfkffmn0iyy8-gcc-12.3.0/include/c++/12.3.0/string:47,
                 from /nix/store/h5kvfrjmpw792v8jg7nrzfkffmn0iyy8-gcc-12.3.0/include/c++/12.3.0/bits/locale_classes.h:40,
                 from /nix/store/h5kvfrjmpw792v8jg7nrzfkffmn0iyy8-gcc-12.3.0/include/c++/12.3.0/bits/ios_base.h:41,
                 from /nix/store/h5kvfrjmpw792v8jg7nrzfkffmn0iyy8-gcc-12.3.0/include/c++/12.3.0/ios:42,
                 from /nix/store/h5kvfrjmpw792v8jg7nrzfkffmn0iyy8-gcc-12.3.0/include/c++/12.3.0/ostream:38,
                 from iostream:39:
/nix/store/h5kvfrjmpw792v8jg7nrzfkffmn0iyy8-gcc-12.3.0/include/c++/12.3.0/bits/stl_iterator.h:621:5: note: candidate: 'template<class _IteratorL, class _IteratorR> decltype ((__y.base() - __x.base())) std::operator-(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  621 |     operator-(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/nix/store/h5kvfrjmpw792v8jg7nrzfkffmn0iyy8-gcc-12.3.0/include/c++/12.3.0/bits/stl_iterator.h:621:5: note:   template argument deduction/substitution failed:
foo.cc:7:18: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
    7 |         cout<<(s-1)*(s-1);
      |                  ^
/nix/store/h5kvfrjmpw792v8jg7nrzfkffmn0iyy8-gcc-12.3.0/include/c++/12.3.0/bits/stl_iterator.h:1796:5: note: candidate: 'template<class _IteratorL, class _IteratorR> decltype ((__x.base() - __y.base())) std::operator-(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1796 |     operator-(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/nix/store/h5kvfrjmpw792v8jg7nrzfkffmn0iyy8-gcc-12.3.0/include/c++/12.3.0/bits/stl_iterator.h:1796:5: note:   template argument deduction/substitution failed:
foo.cc:7:18: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
    7 |         cout<<(s-1)*(s-1);
      |                  ^
foo.cc:7:23: error: no match for 'operator-' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'int')
    7 |         cout<<(s-1)*(s-1);
      |                      ~^~
      |                      | |
      |                      | int
      |                      std::string {aka std::__cxx11::basic_string<char>}
/nix/store/h5kvfrjmpw792v8jg7nrzfkffmn0iyy8-gcc-12.3.0/include/c++/12.3.0/bits/stl_iterator.h:621:5: note: candidate: 'template<class _IteratorL, class _IteratorR> decltype ((__y.base() - __x.base())) std::operator-(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  621 |     operator-(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/nix/store/h5kvfrjmpw792v8jg7nrzfkffmn0iyy8-gcc-12.3.0/include/c++/12.3.0/bits/stl_iterator.h:621:5: note:   template argument deduction/substitution failed:
foo.cc:7:24: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
    7 |         cout<<(s-1)*(s-1);
      |                        ^
/nix/store/h5kvfrjmpw792v8jg7nrzfkffmn0iyy8-gcc-12.3.0/include/c++/12.3.0/bits/stl_iterator.h:1796:5: note: candidate: 'template<class _IteratorL, class _IteratorR> decltype ((__x.base() - __y.base())) std::operator-(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1796 |     operator-(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/nix/store/h5kvfrjmpw792v8jg7nrzfkffmn0iyy8-gcc-12.3.0/include/c++/12.3.0/bits/stl_iterator.h:1796:5: note:   template argument deduction/substitution failed:
foo.cc:7:24: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
    7 |         cout<<(s-1)*(s-1);
      |                        ^

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