Eroare de compilare: In file included from /usr/include/c++/10/string:48, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/ostream:38, from /usr/include/c++/10/iostream:39, from main.cpp:1: /usr/include/c++/10/bits/stl_function.h: In instantiation of 'constexpr bool std::less<_Tp>::operator()(const _Tp&, const _Tp&) const [with _Tp = edge]': /usr/include/c++/10/bits/stl_map.h:499:32: required from 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const key_type&) [with _Key = edge; _Tp = int; _Compare = std::less<edge>; _Alloc = std::allocator<std::pair<const edge, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = edge]' main.cpp:36:25: required from here /usr/include/c++/10/bits/stl_function.h:386:20: error: no match for 'operator<' (operand types are 'const edge' and 'const edge') 386 | { return __x < __y; } | ~~~~^~~~~ In file included from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, from /usr/include/c++/10/ostream:38, from /usr/include/c++/10/iostream:39, from main.cpp:1: /usr/include/c++/10/bits/stl_pair.h:489:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator<(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)' 489 | operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) | ^~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:489:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/string:48, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/ostream:38, from /usr/include/c++/10/iostream:39, from main.cpp:1: /usr/include/c++/10/bits/stl_function.h:386:20: note: 'const edge' is not derived from 'const std::pair<_T1, _T2>' 386 | { return __x < __y; } | ~~~~^~~~~ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, from /usr/include/c++/10/ostream:38, from /usr/include/c++/10/iostream:39, from main.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:391:5: note: candidate: 'template<class _Iterator> bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)' 391 | operator<(const reverse_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:391:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/string:48, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/ostream:38, from /usr/include/c++/10/iostream:39, from main.cpp:1: Non zero exit status: 1