0_0_32866924_26895.cpp: In function 'void add(int, int)':
0_0_32866924_26895.cpp:33:20: error: reference to 'next' is ambiguous
to[nedge] = b, next[nedge] = head[a], head[a] = nedge++;
^
0_0_32866924_26895.cpp:23:26: note: candidates are: int next [200010]
int num, head[N], to[M], next[M], nedge;
^
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_32866924_26895.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_32866924_26895.cpp: In function 'void get_son_dep(int, int)':
0_0_32866924_26895.cpp:40:38: error: reference to 'next' is ambiguous
for(int i = head[k]; i >= 0; i = next[i])
^
0_0_32866924_26895.cpp:23:26: note: candidates are: int next [200010]
int num, head[N], to[M], next[M], nedge;
^
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_32866924_26895.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_32866924_26895.cpp: In function 'void build(int, int)':
0_0_32866924_26895.cpp:57:38: error: reference to 'next' is ambiguous
for(int i = head[k]; i >= 0; i = next[i])
^
0_0_32866924_26895.cpp:23:26: note: candidates are: int next [200010]
int num, head[N], to[M], next[M], nedge;
^
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_32866924_26895.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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