answer.code: In function ‘int main()’:
answer.code:159:60: error: no match for ‘operator!=’ (operand types are ‘Hash_t’ and ‘Hash_t’)
  159 |                                 if (query(i, j, j + l - 1) != query(i, 0, l - 1)) break;
      |                                     ~~~~~~~~~~~~~~~~~~~~~~ ^~ ~~~~~~~~~~~~~~~~~~
      |                                          |                         |
      |                                          Hash_t                    Hash_t
In file included from /usr/include/c++/13/regex:68,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:181,
                 from answer.code:1:
/usr/include/c++/13/bits/regex.h:1132:5: note: candidate: ‘template<class _BiIter> bool std::__cxx11::operator!=(const sub_match<_BiIter>&, const sub_match<_BiIter>&)’
 1132 |     operator!=(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/13/bits/regex.h:1132:5: note:   template argument deduction/substitution failed:
answer.code:159:80: note:   ‘Hash_t’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’
  159 |                                 if (query(i, j, j + l - 1) != query(i, 0, l - 1)) break;
      |                                                                                ^
/usr/include/c++/13/bits/regex.h:1212:5: note: candidate: ‘template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator!=(__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const sub_match<_BiIter>&)’
 1212 |     operator!=(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/regex.h:1212:5: note:   template argument deduction/substitution failed:
answer.code:159:80: note:   ‘Hash_t’ is not derived from ‘std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>’
  159 |                                 if (query(i, j, j + l - 1) != query(i, 0, l - 1)) break;
      |                                                                                ^
/usr/include/c++/13/bits/regex.h:1305:5: note: candidate: ‘template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator!=(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)’
 1305 |     operator!=(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/regex.h:1305:5: note:   template argument deduction/substitution failed:
answer.code:159:80: note:   ‘Hash_t’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’
  159 |                                 if (query(i, j, j + l - 1) != query(i, 0, l - 1)) break;
      |                                                                                ^
/usr/include/c++/13/bits/regex.h:1379:5: note: candidate: ‘template<class _Bi_iter> bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)’
 1379 |     operator!=(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/regex.h:1379:5: note:   template argument deduction/substitution failed:
answer.code:159:80: note:   ‘Hash_t’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’
  159 |                                 if (query(i, j, j + l - 1) != query(i, 0, l - 1)) break;
      |                                                                                ^
/usr/include/c++/13/bits/regex.h:1473:5: note: candidate: ‘template<class _Bi_iter> bool std::__cxx11::operator!=(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)’
 1473 |     operator!=(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/regex.h:1473:5: note:   template argument deduction/substitution failed:
answer.code:159:80: note:   ‘Hash_t’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’
  159 |                                 if (query(i, j, j + l - 1) != query(i, 0, l - 1)) break;
      |                                                                                ^
/usr/include/c++/13/bits/regex.h:1547:5: note: candidate: ‘template<class _Bi_iter> bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)’
 1547 |     operator!=(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/regex.h:1547:5: note:   template argument deduction/substitution failed:
answer.code:159:80: note:   ‘Hash_t’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’
  159 |                                 if (query(i, j, j + l - 1) != query(i, 0, l - 1)) break;
      |                                                                                ^
/usr/include/c++/13/bits/regex.h:1647:5: note: candidate: ‘template<class _Bi_iter> bool std::__cxx11::operator!=(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)’
 1647 |     operator!=(...