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View Compilation Error

0_0_33447208_15473.cpp: In function 'void Addedge(int, int, long long unsigned int)':
0_0_33447208_15473.cpp:11:2: error: reference to 'next' is ambiguous
  next[e] = head[n][t]; head[n][t] = e++;
  ^
0_0_33447208_15473.cpp:6:34: note: candidates are: int next [512]
 int T, N, e, head[MAXN][1<<MAX], next[MAXM], cnt[1<<16];
                                  ^
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_33447208_15473.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_33447208_15473.cpp: In function 'int main()':
0_0_33447208_15473.cpp:70:43: error: reference to 'next' is ambiguous
   for (int i = head[N][fin]; i != -1; i = next[i])
                                           ^
0_0_33447208_15473.cpp:6:34: note: candidates are: int next [512]
 int T, N, e, head[MAXN][1<<MAX], next[MAXM], cnt[1<<16];
                                  ^
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_33447208_15473.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
     ^


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