Eroare de compilare: user.cpp: In function ‘int bf()’: user.cpp:13:31: error: reference to ‘prev’ is ambiguous d[i]=d[nod]+cost[nod][i];prev[i]=nod; ^ user.cpp:4:61: note: candidates are: int prev [64] int mat[64][64],in[64],out[64],n,m,cap[64][64],cost[64][64],prev[64],sol; ^ 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: In function ‘int main()’: user.cpp:37:16: warning: suggest parentheses around assignment used as truth value [-Wparentheses] while(temp=bf()){ ^ user.cpp:39:23: error: reference to ‘prev’ is ambiguous for(nod=n+1;nod;nod=prev[nod]){if(cap[prev[nod]][nod]<min_cap){min_cap=cap[prev[nod]][nod];}} ^ user.cpp:4:61: note: candidates are: int prev [64] int mat[64][64],in[64],out[64],n,m,cap[64][64],cost[64][64],prev[64],sol; ^ 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:39:41: error: reference to ‘prev’ is ambiguous for(nod=n+1;nod;nod=prev[nod]){if(cap[prev[nod]][nod]<min_cap){min_cap=cap[prev[nod]][nod];}} ^ user.cpp:4:61: note: candidates are: int prev [64] int mat[64][64],in[64],out[64],n,m,cap[64][64],cost[64][64],prev[64],sol; ^ 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 ^