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View Compilation Error

0_0_28848937_26219.cpp: In function 'void adde(int, int, double)':
0_0_28848937_26219.cpp:12:58: error: reference to 'next' is ambiguous
 void adde(int a, int b, double cc){to[++tot]=b;c[tot]=cc;next[tot]=head[a];head[a]=tot;}
                                                          ^
0_0_28848937_26219.cpp:9:58: note: candidates are: int next [1000000]
 int N, M, A[maxn], B[maxn], head[maxn], to[maxn], tot=1, next[maxn], table[maxn],
                                                          ^
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_28848937_26219.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_28848937_26219.cpp: In function 'double isap(int, double)':
0_0_28848937_26219.cpp:18:27: error: reference to 'next' is ambiguous
  for(int &p=last[pos];p;p=next[p])
                           ^
0_0_28848937_26219.cpp:9:58: note: candidates are: int next [1000000]
 int N, M, A[maxn], B[maxn], head[maxn], to[maxn], tot=1, next[maxn], table[maxn],
                                                          ^
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_28848937_26219.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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