Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:27:28: error: reference to ‘prev’ is ambiguous curr[i] = inf, prev[i] = inf; ^ user.cpp:10:23: note: candidates are: long long int prev [100005] long long curr[nmax], prev[nmax], sol[kmax]; ^ In file included from /usr/local/include/c++/4.8.0/bits/stl_algobase.h:66:0, from /usr/local/include/c++/4.8.0/bits/char_traits.h:39, from /usr/local/include/c++/4.8.0/ios:40, from /usr/local/include/c++/4.8.0/ostream:38, from /usr/local/include/c++/4.8.0/iostream:39, from user.cpp:1: /usr/local/include/c++/4.8.0/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:28:29: error: reference to ‘prev’ is ambiguous for(int i=1; i<=n; i++) prev[i] = modul(sum[i]-s); ^ user.cpp:10:23: note: candidates are: long long int prev [100005] long long curr[nmax], prev[nmax], sol[kmax]; ^ In file included from /usr/local/include/c++/4.8.0/bits/stl_algobase.h:66:0, from /usr/local/include/c++/4.8.0/bits/char_traits.h:39, from /usr/local/include/c++/4.8.0/ios:40, from /usr/local/include/c++/4.8.0/ostream:38, from /usr/local/include/c++/4.8.0/iostream:39, from user.cpp:1: /usr/local/include/c++/4.8.0/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:29:14: error: reference to ‘prev’ is ambiguous sol[1] = prev[n]; ^ user.cpp:10:23: note: candidates are: long long int prev [100005] long long curr[nmax], prev[nmax], sol[kmax]; ^ In file included from /usr/local/include/c++/4.8.0/bits/stl_algobase.h:66:0, from /usr/local/include/c++/4.8.0/bits/char_traits.h:39, from /usr/local/include/c++/4.8.0/ios:40, from /usr/local/include/c++/4.8.0/ostream:38, from /usr/local/include/c++/4.8.0/iostream:39, from user.cpp:1: /usr/local/include/c++/4.8.0/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:35:76: error: reference to ‘prev’ is ambiguous for(int j = secv-1; j < i; j++) curr[i] = min(curr[i], prev[j] + modul(sum[i]-sum[j] - s)); ^ user.cpp:10:23: note: candidates are: long long int prev [100005]