Eroare de compilare: user.cpp: In function ‘bool cupl(int)’: user.cpp:16:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[nod].size();i++) ^ user.cpp:19:13: error: reference to ‘next’ is ambiguous next[nod]=v[nod][i]; ^ user.cpp:7:17: note: candidates are: int next [10001] int prec[10001],next[10001]; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:66:0, from /usr/include/c++/4.8/vector:60, from user.cpp:2: /usr/include/c++/4.8/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:23:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[nod].size();i++) ^ user.cpp:26:13: error: reference to ‘next’ is ambiguous next[nod]=v[nod][i]; ^ user.cpp:7:17: note: candidates are: int next [10001] int prec[10001],next[10001]; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:66:0, from /usr/include/c++/4.8/vector:60, from user.cpp:2: /usr/include/c++/4.8/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 ‘int main()’: user.cpp:46:16: error: reference to ‘next’ is ambiguous if(next[i]==0) ^ user.cpp:7:17: note: candidates are: int next [10001] int prec[10001],next[10001]; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:66:0, from /usr/include/c++/4.8/vector:60, from user.cpp:2: /usr/include/c++/4.8/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:53:12: error: reference to ‘next’ is ambiguous if(next[i]!=0) ^ user.cpp:7:17: note: candidates are: int next [10001] int prec[10001],next[10001]; ^