0_0_13927538_31786.cpp: In function 'void addedge(int, int)':
0_0_13927538_31786.cpp:91:15: error: reference to 'next' is ambiguous
v[en]=iv; next[en]=head[iu]; head[iu]=en++;
^
0_0_13927538_31786.cpp:88:16: note: candidates are: int next [602000]
int head[maxn],next[maxn*2],v[maxn*2],en=2;
^
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_13927538_31786.cpp:5:
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_13927538_31786.cpp:92:15: error: reference to 'next' is ambiguous
v[en]=iu; next[en]=head[iv]; head[iv]=en++;
^
0_0_13927538_31786.cpp:88:16: note: candidates are: int next [602000]
int head[maxn],next[maxn*2],v[maxn*2],en=2;
^
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_13927538_31786.cpp:5:
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_13927538_31786.cpp: In function 'int main()':
0_0_13927538_31786.cpp:165:26: error: reference to 'next' is ambiguous
for(i=head[x];i;i=next[i])
^
0_0_13927538_31786.cpp:88:16: note: candidates are: int next [602000]
int head[maxn],next[maxn*2],v[maxn*2],en=2;
^
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_13927538_31786.cpp:5:
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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