Eroare de compilare: main.cpp: In function 'int main()': main.cpp:31:17: error: reference to 'next' is ambiguous next[j] = dr+1; ^~~~ main.cpp:7:46: note: candidates are: int next [1000005] int a[NMAX],b[NMAX],c[NMAX],imobiliare[NMAX],next[NMAX]; ^~~~ In file included from /usr/include/c++/6/bits/stl_algobase.h:66:0, from /usr/include/c++/6/algorithm:61, from main.cpp:2: /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:36:21: error: reference to 'next' is ambiguous j = next[j]; ^~~~ main.cpp:7:46: note: candidates are: int next [1000005] int a[NMAX],b[NMAX],c[NMAX],imobiliare[NMAX],next[NMAX]; ^~~~ In file included from /usr/include/c++/6/bits/stl_algobase.h:66:0, from /usr/include/c++/6/algorithm:61, from main.cpp:2: /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:13:9: warning: unused variable 'x' [-Wunused-variable] int x,y,z,n; ^ main.cpp:13:11: warning: unused variable 'y' [-Wunused-variable] int x,y,z,n; ^ main.cpp:13:13: warning: unused variable 'z' [-Wunused-variable] int x,y,z,n; ^ main.cpp:11:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("curcubeu.in","r",stdin); ^ main.cpp:12:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("curcubeu.out","w",stdout); ^ main.cpp:14:43: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d",&n,&a[1],&b[1],&c[1]); ^