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View Compilation Error

0_0_17298576_28641.cpp: In function 'void add_edge(int, int, int)':
0_0_17298576_28641.cpp:21:5: error: reference to 'next' is ambiguous
     next[cc]=first[u];
     ^
0_0_17298576_28641.cpp:13:17: note: candidates are: int next [300000]
 int first[MAXN],next[MAXM];
                 ^
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_17298576_28641.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_17298576_28641.cpp:28:5: error: reference to 'next' is ambiguous
     next[cc]=first[v];
     ^
0_0_17298576_28641.cpp:13:17: note: candidates are: int next [300000]
 int first[MAXN],next[MAXM];
                 ^
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_17298576_28641.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_17298576_28641.cpp: In function 'int ISAP(int, int, int)':
0_0_17298576_28641.cpp:65:34: error: reference to 'next' is ambiguous
         for(i=curedge[u];i!=-1;i=next[i])
                                  ^
0_0_17298576_28641.cpp:13:17: note: candidates are: int next [300000]
 int first[MAXN],next[MAXM];
                 ^
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_17298576_28641.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_17298576_28641.cpp:82:44: error: reference to 'next' is ambiguous
             for(tmp=n+5,i=first[u];i!=-1;i=next[i])
                                            ^
0_0_17298576_28641.cpp:13:17: note: candidates are: int next [300000]
 int first[MAXN],next[MAXM];
                 ^
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_17298576_28641.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_17298576_28641.cpp: In function 'int main()':
0_0_17298576_28641.cpp:102:16: error: reference to 'next' is ambiguous
         memset(next,-1,sizeof(next));
                ^
0_0_17298576_28641.cpp:13:17: note: candidates are: int next [300000]
 int first[MAXN],next[MAXM];
                 ^
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_17298576_28641.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_17298576_28641.cpp:102:31: error: reference to 'next' is ambiguous
         memset(next,-1,sizeof(next));
                               ^
0_0_17298576_28641.cpp:13:17: note: candidates are: int next [300000]
 int first[MAXN],next[MAXM];
                 ^
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_17298576_28641.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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