Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:23:9: error: reference to ‘prev’ is ambiguous prev[i] = i-1; ^ user.cpp:16:32: note: candidates are: int prev [100002] int n, nr, cur, next1[100002], prev[100002], cl[100002]; ^ 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:2: /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:40:23: error: reference to ‘prev’ is ambiguous next1[prev[i]] = next1[i]; ^ user.cpp:16:32: note: candidates are: int prev [100002] int n, nr, cur, next1[100002], prev[100002], cl[100002]; ^ 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:2: /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:41:17: error: reference to ‘prev’ is ambiguous prev[next1[i]] = prev[i]; ^ user.cpp:16:32: note: candidates are: int prev [100002] int n, nr, cur, next1[100002], prev[100002], cl[100002]; ^ 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:2: /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:41:34: error: reference to ‘prev’ is ambiguous prev[next1[i]] = prev[i]; ^ user.cpp:16:32: note: candidates are: int prev [100002]