Eroare de compilare: user.cpp: In function ‘void compute_next()’: user.cpp:78:13: error: reference to ‘next’ is ambiguous next[reverse_index(V[i][j])] = V[i][(i+1)%(int(V[i].size()))]; ^ user.cpp:40:5: note: candidates are: int next [200020] int next[Nmax<<1]; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:66:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /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 ‘void build_regions()’: user.cpp:92:61: error: reference to ‘next’ is ambiguous for (;used[e] != 0 && edges[e].y != x ; e = next[e]) ^ user.cpp:40:5: note: candidates are: int next [200020] int next[Nmax<<1]; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:66:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /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 ^