0_0_17567479_25394.cpp: In function 'void ins(int, int)':
0_0_17567479_25394.cpp:29:11: error: reference to 'next' is ambiguous
e[pi]=y;next[pi]=first[x];first[x]=pi++;
^
0_0_17567479_25394.cpp:25:75: note: candidates are: int next [200010]
int n,m,kk,pi=0,first[maxn],d[maxn],c[maxn],q[maxn],len,tmp[maxn],e[maxn],next[maxn],test;
^
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_17567479_25394.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_17567479_25394.cpp: In function 'void bfs(int)':
0_0_17567479_25394.cpp:55:25: error: reference to 'next' is ambiguous
for(i=first[j];i;i=next[i])
^
0_0_17567479_25394.cpp:25:75: note: candidates are: int next [200010]
int n,m,kk,pi=0,first[maxn],d[maxn],c[maxn],q[maxn],len,tmp[maxn],e[maxn],next[maxn],test;
^
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_17567479_25394.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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