0_0_16350647_23770.cpp: In function 'void add(int, int)':
0_0_16350647_23770.cpp:8:35: error: reference to 'next' is ambiguous
void add(int u,int v){go[++cnt]=v;next[cnt]=End[u];End[u]=cnt;}
^
0_0_16350647_23770.cpp:6:20: note: candidates are: int next [600010]
int End[N],go[N*2],next[N*2],value[N*2];
^
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_16350647_23770.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_16350647_23770.cpp: In function 'void bfs()':
0_0_16350647_23770.cpp:28:31: error: reference to 'next' is ambiguous
for (int i=End[k];i;i=next[i])
^
0_0_16350647_23770.cpp:6:20: note: candidates are: int next [600010]
int End[N],go[N*2],next[N*2],value[N*2];
^
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_16350647_23770.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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