0_0_17960059_19860.cpp: In function 'int dfs(pos, int)':
0_0_17960059_19860.cpp:18:39: error: reference to 'next' is ambiguous
if (w==0) for (int i=first[x];i!=0;i=next[i]) (f[x][y][z][w]+=dfs((pos) {edge[i],y,z},1))%=o;
^
0_0_17960059_19860.cpp:7:16: note: candidates are: int next [5000]
int edge[5000],next[5000],first[60];
^
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_17960059_19860.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_17960059_19860.cpp:19:39: error: reference to 'next' is ambiguous
if (w==1) for (int i=first[y];i!=0;i=next[i]) (f[x][y][z][w]+=dfs((pos) {x,edge[i],z},2))%=o;
^
0_0_17960059_19860.cpp:7:16: note: candidates are: int next [5000]
int edge[5000],next[5000],first[60];
^
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_17960059_19860.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_17960059_19860.cpp:20:39: error: reference to 'next' is ambiguous
if (w==2) for (int i=first[z];i!=0;i=next[i]) (f[x][y][z][w]+=dfs((pos) {x,y,edge[i]},0))%=o;
^
0_0_17960059_19860.cpp:7:16: note: candidates are: int next [5000]
int edge[5000],next[5000],first[60];
^
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_17960059_19860.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_17960059_19860.cpp: In function 'int main()':
0_0_17960059_19860.cpp:31:60: error: reference to 'next' is ambiguous
for (i=1;i<=m;i++) x=fastscanf(),y=fastscanf(),edge[i]=y,next[i]=first[x],first[x]=i;
^
0_0_17960059_19860.cpp:7:16: note: candidates are: int next [5000]
int edge[5000],next[5000],first[60];
^
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_17960059_19860.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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