0_0_19234184_12280.cpp: In function 'void add(int, int)':
0_0_19234184_12280.cpp:11:2: error: reference to 'next' is ambiguous
next[idx]=head[x];
^
0_0_19234184_12280.cpp:5:16: note: candidates are: int next [100000]
int to[100000],next[100000],head[50000],
^
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_19234184_12280.cpp:2:
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_19234184_12280.cpp:15:2: error: reference to 'next' is ambiguous
next[idx]=head[y];
^
0_0_19234184_12280.cpp:5:16: note: candidates are: int next [100000]
int to[100000],next[100000],head[50000],
^
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_19234184_12280.cpp:2:
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_19234184_12280.cpp: In function 'void dfs(int)':
0_0_19234184_12280.cpp:26:24: error: reference to 'next' is ambiguous
for(int i=head[x];i;i=next[i])
^
0_0_19234184_12280.cpp:5:16: note: candidates are: int next [100000]
int to[100000],next[100000],head[50000],
^
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_19234184_12280.cpp:2:
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_19234184_12280.cpp: In function 'void dfs1(int)':
0_0_19234184_12280.cpp:38:24: error: reference to 'next' is ambiguous
for(int i=head[x];i;i=next[i])
^
0_0_19234184_12280.cpp:5:16: note: candidates are: int next [100000]
int to[100000],next[100000],head[50000],
^
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_19234184_12280.cpp:2:
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_19234184_12280.cpp: In function 'int main()':
0_0_19234184_12280.cpp:79:25: error: reference to 'next' is ambiguous
for(int i=head[1];i;i=next[i])
^
0_0_19234184_12280.cpp:5:16: note: candidates are: int next [100000]
int to[100000],next[100000],head[50000],
^
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_19234184_12280.cpp:2:
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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