Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:19:7: error: reference to ‘prev’ is ambiguous A[prev][0] = 0; ^ user.cpp:8:32: note: candidates are: int prev int n, g, pi, gi, A[2][10010], prev, now = 1, 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:25:19: error: reference to ‘prev’ is ambiguous if (A[prev][j] != -1 && j + gi <= g) ^ user.cpp:8:32: note: candidates are: int prev int n, g, pi, gi, A[2][10010], prev, now = 1, 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:26:40: error: reference to ‘prev’ is ambiguous A[now][j + gi] = max(A[prev][j + gi], A[prev][j] + pi); ^ user.cpp:8:32: note: candidates are: int prev int n, g, pi, gi, A[2][10010], prev, now = 1, 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:26:57: error: reference to ‘prev’ is ambiguous A[now][j + gi] = max(A[prev][j + gi], A[prev][j] + pi); ^ user.cpp:8:32: note: candidates are: int prev