0_0_18754323_306.cpp: In function 'void insert(int, int)':
0_0_18754323_306.cpp:17:39: error: reference to 'next' is ambiguous
void insert(int x,int y){tov[++tot]=y,next[tot]=last[x],last[x]=tot;}
^
0_0_18754323_306.cpp:12:19: note: candidates are: int next [60]
int fa[N],last[N],next[N],tov[N],deep[N],a[N];
^
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_18754323_306.cpp:1:
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_18754323_306.cpp: In function 'void dfs(int)':
0_0_18754323_306.cpp:23:27: error: reference to 'next' is ambiguous
for (int i=last[x],y;i;i=next[i])
^
0_0_18754323_306.cpp:12:19: note: candidates are: int next [60]
int fa[N],last[N],next[N],tov[N],deep[N],a[N];
^
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_18754323_306.cpp:1:
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_18754323_306.cpp: In function 'int main()':
0_0_18754323_306.cpp:65:40: error: reference to 'next' is ambiguous
for (int i=1;i<=n;i++) fa[i]=last[i]=next[i]=tov[i]=0;
^
0_0_18754323_306.cpp:12:19: note: candidates are: int next [60]
int fa[N],last[N],next[N],tov[N],deep[N],a[N];
^
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_18754323_306.cpp:1:
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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