answer.code: In lambda function:
answer.code:33:40: error: ‘c’ was not declared in this scope
   33 |     if (x.size() != y.size()) rlen(str(c)), eturn x.size() < y .size();
      |                                        ^
answer.code:33:36: error: there are no arguments to ‘str’ that depend on a template parameter, so a declaration of ‘str’ must be available [-fpermissive]
   33 |     if (x.size() != y.size()) rlen(str(c)), eturn x.size() < y .size();
      |                                    ^~~
answer.code:33:36: note: (if you use ‘-fpermissive’, G++ will accept your code, but allowing the use of an undeclared name is deprecated)
answer.code:33:45: error: ‘eturn’ was not declared in this scope; did you mean ‘extern’?
   33 |     if (x.size() != y.size()) rlen(str(c)), eturn x.size() < y .size();
      |                                             ^~~~~
      |                                             extern
answer.code:33:50: error: expected ‘;’ before ‘x’
   33 |     if (x.size() != y.size()) rlen(str(c)), eturn x.size() < y .size();
      |                                                  ^~
      |                                                  ;
answer.code: In instantiation of ‘main()::<lambda(const auto:54&, const auto:55&)> [with auto:54 = std::__cxx11::basic_string<char>; auto:55 = std::__cxx11::basic_string<char>]’:
/usr/include/c++/13/bits/predefined_ops.h:158:30:   required from ‘constexpr bool __gnu_cxx::__ops::_Iter_comp_iter<_Compare>::operator()(_Iterator1, _Iterator2) [with _Iterator1 = __gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >; _Iterator2 = __gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >; _Compare = main()::<lambda(const auto:54&, const auto:55&)>]’
/usr/include/c++/13/bits/stl_algo.h:1819:14:   required from ‘constexpr void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<__cxx11::basic_string<char>*, vector<__cxx11::basic_string<char> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(const auto:54&, const auto:55&)> >]’
/usr/include/c++/13/bits/stl_algo.h:1859:25:   required from ‘constexpr void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<__cxx11::basic_string<char>*, vector<__cxx11::basic_string<char> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(const auto:54&, const auto:55&)> >]’
/usr/include/c++/13/bits/stl_algo.h:1950:31:   required from ‘constexpr void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<__cxx11::basic_string<char>*, vector<__cxx11::basic_string<char> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<main()::<lambda(const auto:54&, const auto:55&)> >]’
/usr/include/c++/13/bits/stl_algo.h:4894:18:   required from ‘constexpr void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<__cxx11::basic_string<char>*, vector<__cxx11::basic_string<char> > >; _Compare = main()::<lambda(const auto:54&, const auto:55&)>]’
answer.code:32:7:   required from here
answer.code:33:41: error: ‘str’ was not declared in this scope; did you mean ‘std’?
   33 |     if (x.size() != y.size()) rlen(str(c)), eturn x.size() < y .size();
      |                                         ^
      |                                         std
answer.code:33:35: error: ‘rlen’ was not declared in this scope; did you mean ‘strlen’?
   33 |     if (x.size() != y.size()) rlen(str(c)), eturn x.size() < y .size();
      |                               ~~~~^~~~~~~~
      |                               strlen