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View Compilation Error

0_0_16012683_20193.cpp: In function 'void add(int, int, int)':
0_0_16012683_20193.cpp:16:10: error: reference to 'next' is ambiguous
  v[i]=y; next[i]=point[x]; point[x]=i;}
          ^
0_0_16012683_20193.cpp:14:19: note: candidates are: int next [1005]
 int d[N],point[N],next[M],v[M];
                   ^
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_16012683_20193.cpp:1:
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_16012683_20193.cpp: In function 'int main()':
0_0_16012683_20193.cpp:54:30: error: reference to 'next' is ambiguous
    for (int j=point[i]; j; j=next[j])
                              ^
0_0_16012683_20193.cpp:14:19: note: candidates are: int next [1005]
 int d[N],point[N],next[M],v[M];
                   ^
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_16012683_20193.cpp:1:
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
     ^


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