0_0_21354861_24222.cpp: In function 'void insert(int)':
0_0_21354861_24222.cpp:24:5: error: reference to 'next' is ambiguous
next[m]=head[key];
^
0_0_21354861_24222.cpp:10:7: note: candidates are: int next [20007]
int n,next[20007],head[20007],m,ans;
^
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_21354861_24222.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_21354861_24222.cpp: In function 'int find(int, int)':
0_0_21354861_24222.cpp:33:33: error: reference to 'next' is ambiguous
for(int i=head[key];i!=-1;i=next[i])
^
0_0_21354861_24222.cpp:10:7: note: candidates are: int next [20007]
int n,next[20007],head[20007],m,ans;
^
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_21354861_24222.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_21354861_24222.cpp: In function 'int main()':
0_0_21354861_24222.cpp:45:13: error: reference to 'next' is ambiguous
mem(next,0);
^
0_0_21354861_24222.cpp:7:25: note: in definition of macro 'mem'
#define mem(a,b) memset(a,b,sizeof(a))
^
0_0_21354861_24222.cpp:10:7: note: candidates are: int next [20007]
int n,next[20007],head[20007],m,ans;
^
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_21354861_24222.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_21354861_24222.cpp:45:13: error: reference to 'next' is ambiguous
mem(next,0);
^
0_0_21354861_24222.cpp:7:36: note: in definition of macro 'mem'
#define mem(a,b) memset(a,b,sizeof(a))
^
0_0_21354861_24222.cpp:10:7: note: candidates are: int next [20007]
int n,next[20007],head[20007],m,ans;
^
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_21354861_24222.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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