Eroare de compilare: main.cpp: In function 'int main()': main.cpp:17:13: error: reference to 'next' is ambiguous next[st.top()]=i+1,st.pop(); ^~~~ main.cpp:6:5: note: candidates are: int next [1000005] int next[1000005],dp[1000005]; ^~~~ In file included from /usr/include/c++/6/bits/stl_algobase.h:66:0, from /usr/include/c++/6/deque:60, from /usr/include/c++/6/stack:60, from main.cpp:3: /usr/include/c++/6/bits/stl_iterator_base_funcs.h:205:5: note: template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type) next(_ForwardIterator __x, typename ^~~~ main.cpp:21:12: error: reference to 'next' is ambiguous if(next[i]) ^~~~ main.cpp:6:5: note: candidates are: int next [1000005] int next[1000005],dp[1000005]; ^~~~ In file included from /usr/include/c++/6/bits/stl_algobase.h:66:0, from /usr/include/c++/6/deque:60, from /usr/include/c++/6/stack:60, from main.cpp:3: /usr/include/c++/6/bits/stl_iterator_base_funcs.h:205:5: note: template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type) next(_ForwardIterator __x, typename ^~~~ main.cpp:22:25: error: reference to 'next' is ambiguous {dp[i]=1+dp[next[i]]; ^~~~ main.cpp:6:5: note: candidates are: int next [1000005] int next[1000005],dp[1000005]; ^~~~ In file included from /usr/include/c++/6/bits/stl_algobase.h:66:0, from /usr/include/c++/6/deque:60, from /usr/include/c++/6/stack:60, from main.cpp:3: /usr/include/c++/6/bits/stl_iterator_base_funcs.h:205:5: note: template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type) next(_ForwardIterator __x, typename ^~~~ main.cpp:10:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("paranteze2.in","r",stdin); ^ main.cpp:11:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("paranteze2.out","w",stdout); ^ main.cpp:12:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s",s); ^ Non zero exit status: 1