Eroare de compilare: user.cpp: In function ‘bool killw(int, int, int)’: user.cpp:33:5: error: reference to ‘next’ is ambiguous next.x=v[i].x+2*dx[a]; ^ user.cpp:17:21: note: candidates are: std::pair<int, int> next pair<int,int> v[17],next; ^ 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:34:5: error: reference to ‘next’ is ambiguous next.y=v[i].y+2*dy[a]; ^ user.cpp:17:21: note: candidates are: std::pair<int, int> next pair<int,int> v[17],next; ^ 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:35:8: error: reference to ‘next’ is ambiguous if(next.x<=n&&next.x>0&&next.y<=m&&next.y>0) ^ user.cpp:17:21: note: candidates are: std::pair<int, int> next pair<int,int> v[17],next; ^ 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:35:19: error: reference to ‘next’ is ambiguous if(next.x<=n&&next.x>0&&next.y<=m&&next.y>0) ^ user.cpp:17:21: note: candidates are: std::pair<int, int> next