Eroare de compilare: main.cpp: In function 'int main()': main.cpp:25:22: error: no matching function for call to 'std::unordered_map<int, bool>::erase(std::unordered_map<int, bool>&)' x.erase(x); ^ In file included from /usr/include/c++/6/unordered_map:48:0, from main.cpp:2: /usr/include/c++/6/bits/unordered_map.h:753:7: note: candidate: std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::iterator std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::erase(std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::const_iterator) [with _Key = int; _Tp = bool; _Hash = std::hash<int>; _Pred = std::equal_to<int>; _Alloc = std::allocator<std::pair<const int, bool> >; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::iterator = std::__detail::_Node_iterator<std::pair<const int, bool>, false, false>; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::const_iterator = std::__detail::_Node_const_iterator<std::pair<const int, bool>, false, false>] erase(const_iterator __position) ^~~~~ /usr/include/c++/6/bits/unordered_map.h:753:7: note: no known conversion for argument 1 from 'std::unordered_map<int, bool>' to 'std::unordered_map<int, bool>::const_iterator {aka std::__detail::_Node_const_iterator<std::pair<const int, bool>, false, false>}' /usr/include/c++/6/bits/unordered_map.h:758:7: note: candidate: std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::iterator std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::erase(std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::iterator) [with _Key = int; _Tp = bool; _Hash = std::hash<int>; _Pred = std::equal_to<int>; _Alloc = std::allocator<std::pair<const int, bool> >; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::iterator = std::__detail::_Node_iterator<std::pair<const int, bool>, false, false>] erase(iterator __position) ^~~~~ /usr/include/c++/6/bits/unordered_map.h:758:7: note: no known conversion for argument 1 from 'std::unordered_map<int, bool>' to 'std::unordered_map<int, bool>::iterator {aka std::__detail::_Node_iterator<std::pair<const int, bool>, false, false>}' /usr/include/c++/6/bits/unordered_map.h:775:7: note: candidate: std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::size_type std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::erase(const key_type&) [with _Key = int; _Tp = bool; _Hash = std::hash<int>; _Pred = std::equal_to<int>; _Alloc = std::allocator<std::pair<const int, bool> >; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::size_type = long unsigned int; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::key_type = int] erase(const key_type& __x) ^~~~~ /usr/include/c++/6/bits/unordered_map.h:775:7: note: no known conversion for argument 1 from 'std::unordered_map<int, bool>' to 'const key_type& {aka const int&}' /usr/include/c++/6/bits/unordered_map.h:793:7: note: candidate: std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::iterator std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::erase(std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::const_iterator, std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::const_iterator) [with _Key = int; _Tp = bool; _Hash = std::hash<int>; _Pred = std::equal_to<int>; _Alloc = std::allocator<std::pair<const int, bool> >; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::iterator = std::__detail::_Node_iterator<std::pair<const int, bool>, false, false>; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::const_iterator = std::__detail::_Node_const_iterator<std::pair<const int, bool>, false, false>] erase(const_iterator __first, const_iterator __last) ^~~~~ /usr/include/c++/6/bits/unordered_map.h:793:7: note: candidate expects 2 arguments, 1 provided Non zero exit status: 1