0_0_14286784_30095.cpp: In function 'void add_edge(int, int, int)':
0_0_14286784_30095.cpp:21:23: error: reference to 'next' is ambiguous
u[e]=a,v[e]=b,w[e]=c,next[e]=first[a],first[a]=e++;
^
0_0_14286784_30095.cpp:10:41: note: candidates are: int next [200020]
int u[maxm],v[maxm],w[maxm],first[maxn],next[maxm],e;
^
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_14286784_30095.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_14286784_30095.cpp: In function 'void dfs2(int, int)':
0_0_14286784_30095.cpp:70:31: error: reference to 'next' is ambiguous
for(int i=first[now];i!=-1;i=next[i])
^
0_0_14286784_30095.cpp:10:41: note: candidates are: int next [200020]
int u[maxm],v[maxm],w[maxm],first[maxn],next[maxm],e;
^
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_14286784_30095.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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