0_0_15851497_30524.cpp: In function 'void add(int, int, int)':
0_0_15851497_30524.cpp:18:2: error: reference to 'next' is ambiguous
next[++ed]=head[a],head[a]=ed,zhi[ed]=b,w[ed]=c;
^
0_0_15851497_30524.cpp:14:43: note: candidates are: int next [200020]
int ed,t,n,q,ww,e,bo[100010],head[100010],next[200020],zhi[200020],w[200020];
^
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_15851497_30524.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_15851497_30524.cpp:19:2: error: reference to 'next' is ambiguous
next[++ed]=head[b],head[b]=ed,zhi[ed]=a,w[ed]=c;
^
0_0_15851497_30524.cpp:14:43: note: candidates are: int next [200020]
int ed,t,n,q,ww,e,bo[100010],head[100010],next[200020],zhi[200020],w[200020];
^
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_15851497_30524.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_15851497_30524.cpp: In function 'void hh(int, const int&)':
0_0_15851497_30524.cpp:24:24: error: reference to 'next' is ambiguous
for(int i=head[x];i;i=next[i])
^
0_0_15851497_30524.cpp:14:43: note: candidates are: int next [200020]
int ed,t,n,q,ww,e,bo[100010],head[100010],next[200020],zhi[200020],w[200020];
^
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_15851497_30524.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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