0_0_17199472_4640.cpp: In function 'void dfs(int, int, int)':
0_0_17199472_4640.cpp:19:28: error: reference to 'hash' is ambiguous
else if(x==constraint) hash[y][cur]=1;
^
0_0_17199472_4640.cpp:5:14: note: candidates are: std::map<int, int> hash [35]
map<int,int> hash[35];
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:3068:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/stdexcept:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/array:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/tuple:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_map.h:63,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/map:61,
from 0_0_17199472_4640.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash
struct hash;
^
0_0_17199472_4640.cpp:33:9: error: expected '}' at end of input
}
^
0_0_17199472_4640.cpp:33:9: error: expected '}' at end of input
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