Eroare de compilare: user.cpp: In function ‘void add(int)’: user.cpp:18:5: error: reference to ‘next’ is ambiguous next = sccm[x].lower_bound(n1); ^ user.cpp:11:31: note: candidates are: std::map<int, int>::iterator next map<int, int> :: iterator it, next, prev, end, st; ^ In file included from /usr/local/include/c++/4.8.0/bits/stl_algobase.h:66:0, from /usr/local/include/c++/4.8.0/bits/stl_tree.h:61, from /usr/local/include/c++/4.8.0/map:60, from user.cpp:1: /usr/local/include/c++/4.8.0/bits/stl_iterator_base_funcs.h:184:5: note: template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type) next(_ForwardIterator __x, typename ^ user.cpp:19:5: error: reference to ‘end’ is ambiguous end = sccm[x].end(); ^ user.cpp:11:43: note: candidates are: std::map<int, int>::iterator end map<int, int> :: iterator it, next, prev, end, st; ^ In file included from /usr/local/include/c++/4.8.0/string:51:0, from /usr/local/include/c++/4.8.0/stdexcept:39, from /usr/local/include/c++/4.8.0/array:38, from /usr/local/include/c++/4.8.0/tuple:39, from /usr/local/include/c++/4.8.0/bits/stl_map.h:63, from /usr/local/include/c++/4.8.0/map:61, from user.cpp:1: /usr/local/include/c++/4.8.0/bits/range_access.h:97:5: note: template<class _Tp, unsigned int _Nm> _Tp* std::end(_Tp (&)[_Nm]) end(_Tp (&__arr)[_Nm]) ^ /usr/local/include/c++/4.8.0/bits/range_access.h:78:5: note: template<class _Container> decltype (__cont.end()) std::end(const _Container&) end(const _Container& __cont) -> decltype(__cont.end()) ^ /usr/local/include/c++/4.8.0/bits/range_access.h:68:5: note: template<class _Container> decltype (__cont.end()) std::end(_Container&) end(_Container& __cont) -> decltype(__cont.end()) ^ In file included from /usr/local/include/c++/4.8.0/bits/stl_map.h:62:0, from /usr/local/include/c++/4.8.0/map:61, from user.cpp:1: /usr/local/include/c++/4.8.0/initializer_list:99:5: note: template<class _Tp> constexpr const _Tp* std::end(std::initializer_list<_Tp>) end(initializer_list<_Tp> __ils) noexcept ^ user.cpp:22:9: error: reference to ‘next’ is ambiguous if (next != st) { ^ user.cpp:11:31: note: candidates are: std::map<int, int>::iterator next map<int, int> :: iterator it, next, prev, end, st; ^ In file included from /usr/local/include/c++/4.8.0/bits/stl_algobase.h:66:0, from /usr/local/include/c++/4.8.0/bits/stl_tree.h:61,