0_0_18085039_26352.cpp: In function 'void link(int, int, int)':
0_0_18085039_26352.cpp:27:25: error: reference to 'next' is ambiguous
to[++tot]=v,wei[tot]=w,next[tot]=last[u],last[u]=tot;
^
0_0_18085039_26352.cpp:9:23: note: candidates are: int next [200010]
int n,m,num,tot,to[M],next[M],wei[M],last[N];
^
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++/algorithm:61,
from 0_0_18085039_26352.cpp:3:
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_18085039_26352.cpp: In function 'void tarjan(int)':
0_0_18085039_26352.cpp:5:40: error: reference to 'next' is ambiguous
#define efo(i,v) for(int i=last[v];i;i=next[i])
^
0_0_18085039_26352.cpp:34:2: note: in expansion of macro 'efo'
efo(i,v)
^
0_0_18085039_26352.cpp:9:23: note: candidates are: int next [200010]
int n,m,num,tot,to[M],next[M],wei[M],last[N];
^
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++/algorithm:61,
from 0_0_18085039_26352.cpp:3:
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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