0_0_29491475_9382.cpp: In function 'void connect(int, int, int)':
0_0_29491475_9382.cpp:10:5: error: reference to 'next' is ambiguous
next[i]=s[u];//同起点
^
0_0_29491475_9382.cpp:7:34: note: candidates are: int next [200010]
int f[N],c[N<<1],s[N<<1],e[N<<1],next[N<<1],n,p,l[N],r[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++/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_29491475_9382.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_29491475_9382.cpp: In function 'void dfs(int)':
0_0_29491475_9382.cpp:38:30: error: reference to 'next' is ambiguous
for(int i=s[top];i;i=next[i]){//枚举下一个节点
^
0_0_29491475_9382.cpp:7:34: note: candidates are: int next [200010]
int f[N],c[N<<1],s[N<<1],e[N<<1],next[N<<1],n,p,l[N],r[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++/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_29491475_9382.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_29491475_9382.cpp:42:24: error: reference to 'next' is ambiguous
s[top]=next[i];//记录当前点遍历到了第几个邻接点了，返回的时候从这个邻接点开始
^
0_0_29491475_9382.cpp:7:34: note: candidates are: int next [200010]
int f[N],c[N<<1],s[N<<1],e[N<<1],next[N<<1],n,p,l[N],r[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++/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_29491475_9382.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_29491475_9382.cpp: In function 'int main()':
0_0_29491475_9382.cpp:70:16: error: reference to 'next' is ambiguous
memset(next,0,sizeof(next));
^
0_0_29491475_9382.cpp:7:34: note: candidates are: int next [200010]
int f[N],c[N<<1],s[N<<1],e[N<<1],next[N<<1],n,p,l[N],r[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++/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_29491475_9382.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_29491475_9382.cpp:70:30: error: reference to 'next' is ambiguous
memset(next,0,sizeof(next));
^
0_0_29491475_9382.cpp:7:34: note: candidates are: int next [200010]
int f[N],c[N<<1],s[N<<1],e[N<<1],next[N<<1],n,p,l[N],r[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++/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_29491475_9382.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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