0_0_19849171_14847.cpp: In function 'void add(int, long long int)':
0_0_19849171_14847.cpp:42:26: error: reference to 'next' is ambiguous
for (int i=head[id];i;i=next[i])
^
0_0_19849171_14847.cpp:20:5: note: candidates are: int next [1000010]
int next[maxs],head[maxh];
^
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_19849171_14847.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_19849171_14847.cpp:45:2: error: reference to 'next' is ambiguous
next[size[p]]=head[id];head[id]=next[size[p]];
^
0_0_19849171_14847.cpp:20:5: note: candidates are: int next [1000010]
int next[maxs],head[maxh];
^
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_19849171_14847.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_19849171_14847.cpp:45:34: error: reference to 'next' is ambiguous
next[size[p]]=head[id];head[id]=next[size[p]];
^
0_0_19849171_14847.cpp:20:5: note: candidates are: int next [1000010]
int next[maxs],head[maxh];
^
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_19849171_14847.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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