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View Compilation Error

0_0_18121567_24458.cpp: In function 'void add_edge(int, int, int)':
0_0_18121567_24458.cpp:16:5: error: reference to 'next' is ambiguous
     next[e]=first[a];
     ^
0_0_18121567_24458.cpp:7:33: note: candidates are: int next [2010]
 int e,d[210],first[210],v[2010],next[2010],w[2010];
                                 ^
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++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_18121567_24458.cpp:2:
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_18121567_24458.cpp: In function 'void dijkstra(int)':
0_0_18121567_24458.cpp:30:42: error: reference to 'next' is ambiguous
         for(int i = first[u];i != -1;i = next[i]){
                                          ^
0_0_18121567_24458.cpp:7:33: note: candidates are: int next [2010]
 int e,d[210],first[210],v[2010],next[2010],w[2010];
                                 ^
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++/deque:60,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:60,
                 from 0_0_18121567_24458.cpp:2:
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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