0_0_15746201_12841.cpp: In function 'void add(int, int)':
0_0_15746201_12841.cpp:58:2: error: reference to 'next' is ambiguous
next[++tot]=last[x];
^
0_0_15746201_12841.cpp:21:14: note: candidates are: int next [600006]
int u,vv,tot,next[maxn],last[maxn],e[maxn],dep[maxn],fa[maxn],size[maxn],son[maxn],top[maxn],pos[maxn],node;
^
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++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_15746201_12841.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_15746201_12841.cpp: In function 'void dfs1(int)':
0_0_15746201_12841.cpp:66:25: error: reference to 'next' is ambiguous
for (int i=last[x];i;i=next[i])
^
0_0_15746201_12841.cpp:21:14: note: candidates are: int next [600006]
int u,vv,tot,next[maxn],last[maxn],e[maxn],dep[maxn],fa[maxn],size[maxn],son[maxn],top[maxn],pos[maxn],node;
^
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++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_15746201_12841.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_15746201_12841.cpp: In function 'void dfs2(int, int)':
0_0_15746201_12841.cpp:81:28: error: reference to 'next' is ambiguous
for (int i=last[x];i;i=next[i])
^
0_0_15746201_12841.cpp:21:14: note: candidates are: int next [600006]
int u,vv,tot,next[maxn],last[maxn],e[maxn],dep[maxn],fa[maxn],size[maxn],son[maxn],top[maxn],pos[maxn],node;
^
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++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_15746201_12841.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_15746201_12841.cpp: In function 'void dfss(int)':
0_0_15746201_12841.cpp:101:25: error: reference to 'next' is ambiguous
for (int i=last[x];i;i=next[i])
^
0_0_15746201_12841.cpp:21:14: note: candidates are: int next [600006]
int u,vv,tot,next[maxn],last[maxn],e[maxn],dep[maxn],fa[maxn],size[maxn],son[maxn],top[maxn],pos[maxn],node;
^
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++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_15746201_12841.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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