0_0_14680961_9357.cpp: In function 'void ins(int, int)':
0_0_14680961_9357.cpp:14:29: error: reference to 'next' is ambiguous
void ins(int x, int y){e++; next[e] = node[x]; node[x] = e; to[e] = y;}
^
0_0_14680961_9357.cpp:13:15: note: candidates are: int next [1020]
int node[sz], next[sz], to[sz], e, bh[sz][sz];
^
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/stl_tree.h:61,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/map:60,
from 0_0_14680961_9357.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_14680961_9357.cpp: In function 'void dfs(int, int, int)':
0_0_14680961_9357.cpp:28:32: error: reference to 'next' is ambiguous
for (int j = node[x]; j; j = next[j])
^
0_0_14680961_9357.cpp:13:15: note: candidates are: int next [1020]
int node[sz], next[sz], to[sz], e, bh[sz][sz];
^
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/stl_tree.h:61,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/map:60,
from 0_0_14680961_9357.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_14680961_9357.cpp: In function 'void dfs2(int, int, int, int)':
0_0_14680961_9357.cpp:39:32: error: reference to 'next' is ambiguous
for (int j = node[x]; j; j = next[j])
^
0_0_14680961_9357.cpp:13:15: note: candidates are: int next [1020]
int node[sz], next[sz], to[sz], e, bh[sz][sz];
^
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/stl_tree.h:61,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/map:60,
from 0_0_14680961_9357.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_14680961_9357.cpp: In function 'void dfs3(int, int, int, int)':
0_0_14680961_9357.cpp:51:32: error: reference to 'next' is ambiguous
for (int j = node[x]; j; j = next[j])
^
0_0_14680961_9357.cpp:13:15: note: candidates are: int next [1020]
int node[sz], next[sz], to[sz], e, bh[sz][sz];
^
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/stl_tree.h:61,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/map:60,
from 0_0_14680961_9357.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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