Eroare de compilare: user.cpp: In function ‘void LIS()’: user.cpp:31:9: error: reference to ‘prev’ is ambiguous prev[i]=p; ^ user.cpp:8:24: note: candidates are: int prev [5005] int N,a[Nmax],dp[Nmax],prev[Nmax]; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:66:0, from /usr/include/c++/4.8/algorithm:61, 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: In function ‘int main()’: user.cpp:84:25: error: reference to ‘prev’ is ambiguous for(j=i;j;j=prev[j]) ^ user.cpp:8:24: note: candidates are: int prev [5005] int N,a[Nmax],dp[Nmax],prev[Nmax]; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:66:0, from /usr/include/c++/4.8/algorithm:61, 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:94:28: error: reference to ‘prev’ is ambiguous for(lenaux=0,j=ans;j;j=prev[j]) ^ user.cpp:8:24: note: candidates are: int prev [5005] int N,a[Nmax],dp[Nmax],prev[Nmax]; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:66:0, from /usr/include/c++/4.8/algorithm:61, 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:62:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("subsir2.in","r",stdin); ^ user.cpp:63:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("subsir2.out","w",stdout); ^ user.cpp:64:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ user.cpp:66:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i]); ^