0_0_33674529_27415.cpp: In function 'void addEdge(int, int)':
0_0_33674529_27415.cpp:34:2: error: reference to 'next' is ambiguous
next[ip]=head[u];
^
0_0_33674529_27415.cpp:10:16: note: candidates are: int next [300010]
int head[maxm],next[maxm],to[maxm];//failĘ÷
^
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_33674529_27415.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_33674529_27415.cpp: In function 'void dfs(int, int)':
0_0_33674529_27415.cpp:68:28: error: reference to 'next' is ambiguous
for(int u=head[v];u!=-1;u=next[u]){
^
0_0_33674529_27415.cpp:10:16: note: candidates are: int next [300010]
int head[maxm],next[maxm],to[maxm];//failĘ÷
^
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_33674529_27415.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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