0_0_33133745_7971.cpp: In function 'void dfs(int, int, int)':
0_0_33133745_7971.cpp:21:8: error: reference to 'next' is ambiguous
x=x0+next[i][0];
^
0_0_33133745_7971.cpp:6:5: note: candidates are: int next [4][2]
int next[4][2]={{0,1},{0,-1},{1,0},{-1,0}};
^
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_33133745_7971.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_33133745_7971.cpp:22:8: error: reference to 'next' is ambiguous
y=y0+next[i][1];
^
0_0_33133745_7971.cpp:6:5: note: candidates are: int next [4][2]
int next[4][2]={{0,1},{0,-1},{1,0},{-1,0}};
^
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_33133745_7971.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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