foo.cc: In function 'int main()':
foo.cc:42:23: error: no match for 'operator<' (operand types are 'std::basic_ostream<char>' and 'const char [2]')
   42 |    cout<<min({mx,x,y})<"\n";
      |    ~~~~~~~~~~~~~~~~~~~^~~~~
      |        |               |
      |        |               const char [2]
      |        std::basic_ostream<char>
In file included from /usr/include/c++/13/regex:68,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:181,
                 from foo.cc:1:
/usr/include/c++/13/bits/regex.h:1288:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Alloc> auto std::__cxx11::operator<=>(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)' (reversed)
 1288 |     operator<=>(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/regex.h:1288:5: note:   template argument deduction/substitution failed:
foo.cc:42:24: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'const char [2]'
   42 |    cout<<min({mx,x,y})<"\n";
      |                        ^~~~
/usr/include/c++/13/bits/regex.h:1456:5: note: candidate: 'template<class _Bi_iter> auto std::__cxx11::operator<=>(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)' (reversed)
 1456 |     operator<=>(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/regex.h:1456:5: note:   template argument deduction/substitution failed:
foo.cc:42:24: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'const char [2]'
   42 |    cout<<min({mx,x,y})<"\n";
      |                        ^~~~
/usr/include/c++/13/bits/regex.h:1629:5: note: candidate: 'template<class _Bi_iter> auto std::__cxx11::operator<=>(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)' (reversed)
 1629 |     operator<=>(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/regex.h:1629:5: note:   template argument deduction/substitution failed:
foo.cc:42:24: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'const char [2]'
   42 |    cout<<min({mx,x,y})<"\n";
      |                        ^~~~
In file included from /usr/include/c++/13/bits/stl_algobase.h:67,
                 from /usr/include/c++/13/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51:
/usr/include/c++/13/bits/stl_iterator.h:583:5: note: candidate: 'template<class _IteratorL, class _IteratorR>  requires  three_way_comparable_with<_IteratorR, _IteratorL, std::partial_ordering> constexpr std::compare_three_way_result_t<_IteratorL, _IteratorR> std::operator<=>(const reverse_iterator<_IteratorL>&, const reverse_iterator<_IteratorR>&)' (reversed)
  583 |     operator<=>(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_iterator.h:583:5: note:   template argument deduction/substitution failed:
foo.cc:42:24: note:   mismatched types 'const std::reverse_iterator<_IteratorL>' and 'const char [2]'
   42 |    cout<<min({mx,x,y})<"\n";
      |                        ^~~~
/usr/include/c++/13/bits/stl_iterator.h:1690:5: note: candidate: 'template<class _IteratorL, class _IteratorR>  requires  three_way_comparable_with<_IteratorR, _IteratorL, std::partial_ordering> constexpr std::compare_three_way_result_t<_IteratorL, _IteratorR> std::operator<=>(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)' (reversed)
 1690 |     operator<=>(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_iterator.h:1690:5: note:   template argument deduction/substitution failed:
foo.cc:42:24: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'const char [2]'
   42 |    cout<<min({mx,x,y})<"\n";
      |                        ^~~~
In file included from /usr/include/c++/13/bits/basic_string.h:47,
                 from /usr/include/c++/13/string:54,
                 from /usr/include/c++/13/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:52:
/usr/include/c++/13/string_view:633:5: note: candidate: 'template<class _CharT, class _Traits> constexpr decltype (__char_traits_cmp_cat<_Traits>(0)) std::operator<=>(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)' (reversed)
  633 |     operator<=>(basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/13/string_view:633:5: note:   template argument deduction/substitution failed:
foo.cc:42:24: note:   mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'const char*'
   42 |    cout<<min({mx,x,y})<"\n";
      |                        ^~~~
/usr/include/c++/13/bits/basic_string.h:3760:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr decltype (__char_traits_cmp_cat<_Traits>(0)) std::operator<=>(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)' (reversed)
 3760 |     operator<=>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/