Eroare de compilare: user.cpp: In function ‘int FORD(int)’: user.cpp:60:9: error: reference to ‘prev’ is ambiguous prev = aux.nod; ^ user.cpp:25:45: note: candidates are: int prev int N, K, STARE[MAXN], M, tmin[MAXN][MAXK], prev, lan, lanterna; ^ 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:193:5: note: template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type) prev(_BidirectionalIterator __x, typename ^ user.cpp:63:47: error: reference to ‘prev’ is ambiguous for (vector <three> :: iterator i = G[prev].begin(); i != G[prev].end(); i++) { ^ user.cpp:25:45: note: candidates are: int prev int N, K, STARE[MAXN], M, tmin[MAXN][MAXK], prev, lan, lanterna; ^ 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:193:5: note: template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type) prev(_BidirectionalIterator __x, typename ^ user.cpp:63:69: error: reference to ‘prev’ is ambiguous for (vector <three> :: iterator i = G[prev].begin(); i != G[prev].end(); i++) { ^ user.cpp:25:45: note: candidates are: int prev int N, K, STARE[MAXN], M, tmin[MAXN][MAXK], prev, lan, lanterna; ^ 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:193:5: note: template<class _BidirectionalIterator> _BidirectionalIterator std::prev(_BidirectionalIterator, typename std::iterator_traits<_Iter>::difference_type) prev(_BidirectionalIterator __x, typename ^ user.cpp:72:49: error: reference to ‘prev’ is ambiguous if (tmin[(*i).node][lan] > tmin[prev][lanterna] + (*i).c) { ^ user.cpp:25:45: note: candidates are: int prev