0_0_13860277_16905.cpp: In function 'void add_line(int, int)':
0_0_13860277_16905.cpp:24:2: error: reference to 'next' is ambiguous
next[tt] = head[x];
^
0_0_13860277_16905.cpp:18:29: note: candidates are: int next [1200000]
int head[MAXN], flag[MAXN], next[MAXN*3], p[MAXN*3], h[MAXN];
^
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_13860277_16905.cpp:1:
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_13860277_16905.cpp: In function 'int main()':
0_0_13860277_16905.cpp:62:12: error: reference to 'next' is ambiguous
h[x] = next[h[x]];
^
0_0_13860277_16905.cpp:18:29: note: candidates are: int next [1200000]
int head[MAXN], flag[MAXN], next[MAXN*3], p[MAXN*3], h[MAXN];
^
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_13860277_16905.cpp:1:
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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