0_0_24392980_31889.cpp: In function 'void add(int, int, int)':
0_0_24392980_31889.cpp:10:2: error: reference to 'next' is ambiguous
next[++pos]=head[x];
^
0_0_24392980_31889.cpp:7:37: note: candidates are: int next [1000010]
int p[N][30],d[N],dis[N],head[N<<1],next[N<<1],v[N<<1],pos,ww[N<<1];
^
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_24392980_31889.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_24392980_31889.cpp: In function 'void dfs(int, int, int)':
0_0_24392980_31889.cpp:22:28: error: reference to 'next' is ambiguous
for(int i=head[u];i!=-1;i=next[i])
^
0_0_24392980_31889.cpp:7:37: note: candidates are: int next [1000010]
int p[N][30],d[N],dis[N],head[N<<1],next[N<<1],v[N<<1],pos,ww[N<<1];
^
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_24392980_31889.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_24392980_31889.cpp: In function 'void clear()':
0_0_24392980_31889.cpp:52:9: error: reference to 'next' is ambiguous
memset(next,0,sizeof next);
^
0_0_24392980_31889.cpp:7:37: note: candidates are: int next [1000010]
int p[N][30],d[N],dis[N],head[N<<1],next[N<<1],v[N<<1],pos,ww[N<<1];
^
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_24392980_31889.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_24392980_31889.cpp:52:23: error: reference to 'next' is ambiguous
memset(next,0,sizeof next);
^
0_0_24392980_31889.cpp:7:37: note: candidates are: int next [1000010]
int p[N][30],d[N],dis[N],head[N<<1],next[N<<1],v[N<<1],pos,ww[N<<1];
^
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_24392980_31889.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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