View Compilation Error

0_0_20958748_30794.cpp: In function 'void Getnext()':
0_0_20958748_30794.cpp:11:5: error: reference to 'next' is ambiguous
     next[0]=-1;
     ^
0_0_20958748_30794.cpp:7:5: note: candidates are: int next [1000010]
 int next[1000010];
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:61,
                 from 0_0_20958748_30794.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/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
     ^
0_0_20958748_30794.cpp:15:21: error: reference to 'next' is ambiguous
             i++,j++,next[i]=j;
                     ^
0_0_20958748_30794.cpp:7:5: note: candidates are: int next [1000010]
 int next[1000010];
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:61,
                 from 0_0_20958748_30794.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/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
     ^
0_0_20958748_30794.cpp:17:15: error: reference to 'next' is ambiguous
             j=next[j];
               ^
0_0_20958748_30794.cpp:7:5: note: candidates are: int next [1000010]
 int next[1000010];
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:61,
                 from 0_0_20958748_30794.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/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
     ^
0_0_20958748_30794.cpp: In function 'int main()':
0_0_20958748_30794.cpp:26:21: error: reference to 'next' is ambiguous
         int ans=len-next[len];//最小循环节
                     ^
0_0_20958748_30794.cpp:7:5: note: candidates are: int next [1000010]
 int next[1000010];
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:61,
                 from 0_0_20958748_30794.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/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
     ^
0_0_20958748_30794.cpp:34:20: error: reference to 'next' is ambiguous
                 if(next[i]%ans)
                    ^
0_0_20958748_30794.cpp:7:5: note: candidates are: int next [1000010]
 int next[1000010];
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:66:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:61,
                 from 0_0_20958748_30794.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/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
     ^