Eroare de compilare: main.cpp: In function 'MyMap* DFS(int, int)': main.cpp:35:23: error: no match for 'operator=' (operand types are 'MyMap' {aka 'std::unordered_map<int, int>'} and 'int') 35 | ret[keys[node]] = 1; | ^ In file included from /usr/include/c++/10/unordered_map:47, from main.cpp:5: /usr/include/c++/10/bits/unordered_map.h:271:7: note: candidate: 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator=(const std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>&) [with _Key = int; _Tp = int; _Hash = std::hash<int>; _Pred = std::equal_to<int>; _Alloc = std::allocator<std::pair<const int, int> >]' 271 | operator=(const unordered_map&) = default; | ^~~~~~~~ /usr/include/c++/10/bits/unordered_map.h:271:17: note: no known conversion for argument 1 from 'int' to 'const std::unordered_map<int, int>&' 271 | operator=(const unordered_map&) = default; | ^~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/unordered_map.h:275:7: note: candidate: 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator=(std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>&&) [with _Key = int; _Tp = int; _Hash = std::hash<int>; _Pred = std::equal_to<int>; _Alloc = std::allocator<std::pair<const int, int> >]' 275 | operator=(unordered_map&&) = default; | ^~~~~~~~ /usr/include/c++/10/bits/unordered_map.h:275:17: note: no known conversion for argument 1 from 'int' to 'std::unordered_map<int, int>&&' 275 | operator=(unordered_map&&) = default; | ^~~~~~~~~~~~~~~ /usr/include/c++/10/bits/unordered_map.h:289:7: note: candidate: 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator=(std::initializer_list<typename std::_Hashtable<_Key, std::pair<const _Key, _Tp>, _Alloc, std::__detail::_Select1st, _Pred, _Hash, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<std::__not_<std::__and_<std::__is_fast_hash<_Hash>, std::__is_nothrow_invocable<const _Hash&, const _Key&> > >::value, false, true> >::value_type>) [with _Key = int; _Tp = int; _Hash = std::hash<int>; _Pred = std::equal_to<int>; _Alloc = std::allocator<std::pair<const int, int> >; typename std::_Hashtable<_Key, std::pair<const _Key, _Tp>, _Alloc, std::__detail::_Select1st, _Pred, _Hash, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<std::__not_<std::__and_<std::__is_fast_hash<_Hash>, std::__is_nothrow_invocable<const _Hash&, const _Key&> > >::value, false, true> >::value_type = std::pair<const int, int>]' 289 | operator=(initializer_list<value_type> __l) | ^~~~~~~~ /usr/include/c++/10/bits/unordered_map.h:289:46: note: no known conversion for argument 1 from 'int' to 'std::initializer_list<std::pair<const int, int> >' 289 | operator=(initializer_list<value_type> __l) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ Non zero exit status: 1