0_0_20585463_19067.cpp: In function 'void insert(int, int, int)':
0_0_20585463_19067.cpp:32:2: error: reference to 'next' is ambiguous
next[sum]=head[x];
^
0_0_20585463_19067.cpp:19:32: note: candidates are: int next [8005]
int head[maxn],t[maxn],v[maxn],next[maxn],sum;
^
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_20585463_19067.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_20585463_19067.cpp: In function 'long long int getans(int, int, long long int)':
0_0_20585463_19067.cpp:50:33: error: reference to 'next' is ambiguous
for(int tmp=head[now];tmp;tmp=next[tmp]){
^
0_0_20585463_19067.cpp:19:32: note: candidates are: int next [8005]
int head[maxn],t[maxn],v[maxn],next[maxn],sum;
^
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_20585463_19067.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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