Eroare de compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:24:9: error: reference to ‘next’ is ambiguous next[st[top-K[node]-1]].push_back(node); ^ user.cpp:16:13: note: candidates are: std::vector<int> next [100005] vector<int> next[NMAX]; ^ 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/vector:60, from user.cpp:2: /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: In function ‘void dfs2(int, int)’: user.cpp:36:22: error: reference to ‘next’ is ambiguous for ( i = 0; i < next[node].size(); i++) { ^ user.cpp:16:13: note: candidates are: std::vector<int> next [100005] vector<int> next[NMAX]; ^ 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/vector:60, from user.cpp:2: /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:37:14: error: reference to ‘next’ is ambiguous dfs2(next[node][i], depth+1); ^ user.cpp:16:13: note: candidates are: std::vector<int> next [100005] vector<int> next[NMAX]; ^ 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/vector:60, from user.cpp:2: /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 ^