0_0_13487772_14123.cpp: In function 'void add(int, int)':
0_0_13487772_14123.cpp:9:5: error: reference to 'next' is ambiguous
next[++len] = till[x];
^
0_0_13487772_14123.cpp:5:30: note: candidates are: int next [5100000]
int T, len, n, till[110000], next[5100000], a[110000], go[5100000];
^
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_13487772_14123.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_13487772_14123.cpp: In function 'int main()':
0_0_13487772_14123.cpp:30:45: error: reference to 'next' is ambiguous
for (int j = till[a[i]]; j; j = next[j]) {
^
0_0_13487772_14123.cpp:5:30: note: candidates are: int next [5100000]
int T, len, n, till[110000], next[5100000], a[110000], go[5100000];
^
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_13487772_14123.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_13487772_14123.cpp:41:45: error: reference to 'next' is ambiguous
for (int j = till[a[i]]; j; j = next[j])
^
0_0_13487772_14123.cpp:5:30: note: candidates are: int next [5100000]
int T, len, n, till[110000], next[5100000], a[110000], go[5100000];
^
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_13487772_14123.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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