0_0_17523901_15537.cpp: In function 'void Addline(int*, int, int, int)':
0_0_17523901_15537.cpp:13:14: error: reference to 'next' is ambiguous
to[++cnt]=v;next[cnt]=head[u];val[cnt]=w;head[u]=cnt;
^
0_0_17523901_15537.cpp:7:14: note: candidates are: int next [2000010]
int to[N<<1],next[N<<1],val[N<<1],head[N],_head[N],vis[N],Q[N<<2],cnt,n,m,t;ll dis[N],Ans;
^
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_17523901_15537.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_17523901_15537.cpp: In function 'void Spfa(int*)':
0_0_17523901_15537.cpp:20:25: error: reference to 'next' is ambiguous
for(int i=head[u];i;i=next[i])
^
0_0_17523901_15537.cpp:7:14: note: candidates are: int next [2000010]
int to[N<<1],next[N<<1],val[N<<1],head[N],_head[N],vis[N],Q[N<<2],cnt,n,m,t;ll dis[N],Ans;
^
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_17523901_15537.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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