0_0_14198326_14858.cpp: In function 'void addedge(int, int)':
0_0_14198326_14858.cpp:16:5: error: reference to 'next' is ambiguous
next[ed_num]=head[s];
^
0_0_14198326_14858.cpp:11:16: note: candidates are: int next [200005]
int to[200005],next[200005],head[10005],ed_num,n,m,pd[10005],a[2][10005];
^
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_14198326_14858.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_14198326_14858.cpp: In function 'void dfs(int, int)':
0_0_14198326_14858.cpp:23:34: error: reference to 'next' is ambiguous
for (int i=head[now];i!=-1;i=next[i])
^
0_0_14198326_14858.cpp:11:16: note: candidates are: int next [200005]
int to[200005],next[200005],head[10005],ed_num,n,m,pd[10005],a[2][10005];
^
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_14198326_14858.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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