0_0_17466493_26543.cpp: In function 'void add(int, int, int)':
0_0_17466493_26543.cpp:27:2: error: reference to 'next' is ambiguous
next[++tot]=last[o]; last[o]=tot; to[tot]=p; val[tot]=w;
^
0_0_17466493_26543.cpp:8:62: note: candidates are: int next [100005]
int i,j,k,l,tot,s,n,m,ans,sum,last[N],S,T,q[N],dis[N],val[M],next[M],to[M],a[N],x,y;
^
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_17466493_26543.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_17466493_26543.cpp: In function 'bool bfs()':
0_0_17466493_26543.cpp:34:26: error: reference to 'next' is ambiguous
for (int i=last[k];i;i=next[i]) if ((dis[to[i]]==-1)&&val[i]) dis[to[i]]=dis[k]+1,q[++r]=to[i];
^
0_0_17466493_26543.cpp:8:62: note: candidates are: int next [100005]
int i,j,k,l,tot,s,n,m,ans,sum,last[N],S,T,q[N],dis[N],val[M],next[M],to[M],a[N],x,y;
^
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_17466493_26543.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_17466493_26543.cpp: In function 'int dfs(int, int)':
0_0_17466493_26543.cpp:42:25: error: reference to 'next' is ambiguous
for (int i=last[o];i;i=next[i]) {
^
0_0_17466493_26543.cpp:8:62: note: candidates are: int next [100005]
int i,j,k,l,tot,s,n,m,ans,sum,last[N],S,T,q[N],dis[N],val[M],next[M],to[M],a[N],x,y;
^
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_17466493_26543.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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