Eroare de compilare: main.cpp: In function 'int main()': main.cpp:27:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(int i=0;i<path[a].size();i++) | ~^~~~~~~~~~~~~~~ main.cpp:36:12: error: no match for 'operator==' (operand types are 'std::vector<int>' and 'int') 36 | if(dist==inf) | ~~~~^~~~~ | | | | | int | std::vector<int> In file included from /usr/include/c++/12.2.1/regex:66, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:110, from main.cpp:1: /usr/include/c++/12.2.1/bits/regex.h:1238:5: 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>&)' (reversed) 1238 | operator==(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/12.2.1/bits/regex.h:1238:5: note: template argument deduction/substitution failed: main.cpp:36:14: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 36 | if(dist==inf) | ^~~ /usr/include/c++/12.2.1/bits/regex.h:1405:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)' (reversed) 1405 | operator==(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/12.2.1/bits/regex.h:1405:5: note: template argument deduction/substitution failed: main.cpp:36:14: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 36 | if(dist==inf) | ^~~ /usr/include/c++/12.2.1/bits/regex.h:1577:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)' (reversed) 1577 | operator==(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/12.2.1/bits/regex.h:1577:5: note: template argument deduction/substitution failed: main.cpp:36:14: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 36 | if(dist==inf) | ^~~ In file included from /usr/include/c++/12.2.1/bits/stl_algobase.h:67, from /usr/include/c++/12.2.1/bits/specfun.h:45, from /usr/include/c++/12.2.1/cmath:1935, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:41: /usr/include/c++/12.2.1/bits/stl_iterator.h:530:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_IteratorL>&, const reverse_iterator<_IteratorR>&) requires requires{{std::operator==::__x->base() == std::operator==::__y->base()} -> decltype(auto) [requires std::convertible_to<<placeholder>, bool>];}' (reversed) 530 | operator==(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/12.2.1/bits/stl_iterator.h:530:5: note: template argument deduction/substitution failed: main.cpp:36:14: note: mismatched types 'const std::reverse_iterator<_IteratorL>' and 'int' 36 | if(dist==inf) | ^~~ /usr/include/c++/12.2.1/bits/stl_iterator.h:1656:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&) requires requires{{std::operator==::__x->base() == std::operator==::__y->base()} -> decltype(auto) [requires std::convertible_to<<placeholder>, bool>];}' (reversed) 1656 | operator==(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/12.2.1/bits/stl_iterator.h:1656:5: note: template argument deduction/substitution failed: main.cpp:36:14: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int' Non zero exit status: 1