0_0_17749677_6826.cpp: In function 'void add_edge(int, int)':
0_0_17749677_6826.cpp:13:5: error: reference to 'next' is ambiguous
next[tot]=head[a];
^
0_0_17749677_6826.cpp:7:13: note: candidates are: int next [1000]
int v[1000],next[1000],head[1000];
^
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++/string:40,
from 0_0_17749677_6826.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_17749677_6826.cpp: In function 'void dfs(int, int)':
0_0_17749677_6826.cpp:19:31: error: reference to 'next' is ambiguous
for(int i=head[u];i!=-1;i=next[i])
^
0_0_17749677_6826.cpp:7:13: note: candidates are: int next [1000]
int v[1000],next[1000],head[1000];
^
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++/string:40,
from 0_0_17749677_6826.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_17749677_6826.cpp: In function 'int main()':
0_0_17749677_6826.cpp:36:12: error: reference to 'next' is ambiguous
memset(next,0,sizeof(next));
^
0_0_17749677_6826.cpp:7:13: note: candidates are: int next [1000]
int v[1000],next[1000],head[1000];
^
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++/string:40,
from 0_0_17749677_6826.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_17749677_6826.cpp:36:26: error: reference to 'next' is ambiguous
memset(next,0,sizeof(next));
^
0_0_17749677_6826.cpp:7:13: note: candidates are: int next [1000]
int v[1000],next[1000],head[1000];
^
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++/string:40,
from 0_0_17749677_6826.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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