Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:9:51: error: reference to ‘next’ is ambiguous i=0; crt=0; st[0]=0; scanf("%c", &c); last=1; next[1]=1; ^ user.cpp:4:40: note: candidates are: int next [500003] int i, st[500003], a[1000003], n, crt, next[500003], pz[500003], j, last; ^ 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:184:5: note: template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type) next(_ForwardIterator __x, typename ^ user.cpp:14:37: error: reference to ‘next’ is ambiguous for (j=last+1;j<=i;j++) next[j]=i; ^ user.cpp:4:40: note: candidates are: int next [500003] int i, st[500003], a[1000003], n, crt, next[500003], pz[500003], j, last; ^ 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:184:5: note: template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type) next(_ForwardIterator __x, typename ^ user.cpp:26:29: error: reference to ‘next’ is ambiguous for (j=last+1;j<=n;j++) next[j]=-1; ^ user.cpp:4:40: note: candidates are: int next [500003] int i, st[500003], a[1000003], n, crt, next[500003], pz[500003], j, last; ^ 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:184:5: note: template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type) next(_ForwardIterator __x, typename ^ user.cpp:31:15: error: reference to ‘next’ is ambiguous j=next[a[j]]; ^ user.cpp:4:40: note: candidates are: int next [500003] int i, st[500003], a[1000003], n, crt, next[500003], pz[500003], j, last; ^ 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:184:5: note: template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type) next(_ForwardIterator __x, typename ^ user.cpp:7:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]