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View Compilation Error

0_0_14891636_10020.cpp: In function 'void prime()':
0_0_14891636_10020.cpp:18:11: error: reference to 'hash' is ambiguous
    memset(hash,0,sizeof(hash));
           ^
0_0_14891636_10020.cpp:8:5: note: candidates are: int hash [90005]
 int hash[M],x,y;
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_14891636_10020.cpp:4:
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_14891636_10020.cpp:18:25: error: reference to 'hash' is ambiguous
    memset(hash,0,sizeof(hash));
                         ^
0_0_14891636_10020.cpp:8:5: note: candidates are: int hash [90005]
 int hash[M],x,y;
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_14891636_10020.cpp:4:
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_14891636_10020.cpp:20:4: error: reference to 'hash' is ambiguous
    hash[1]=1;
    ^
0_0_14891636_10020.cpp:8:5: note: candidates are: int hash [90005]
 int hash[M],x,y;
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_14891636_10020.cpp:4:
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_14891636_10020.cpp:23:11: error: reference to 'hash' is ambiguous
        if(hash[i]==0)
           ^
0_0_14891636_10020.cpp:8:5: note: candidates are: int hash [90005]
 int hash[M],x,y;
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_14891636_10020.cpp:4:
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_14891636_10020.cpp:26:12: error: reference to 'hash' is ambiguous
            hash[j]=1;
            ^
0_0_14891636_10020.cpp:8:5: note: candidates are: int hash [90005]
 int hash[M],x,y;
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_14891636_10020.cpp:4:
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_14891636_10020.cpp: In function 'int bfs(int, int, int)':
0_0_14891636_10020.cpp:50:81: error: reference to 'hash' is ambiguous
        if(next.x>=0&&next.y>=0&&next.x<300&&next.y<300&&map[next.x][next.y]==0&&hash[f[next.x][next.y]])
                                                                                 ^
0_0_14891636_10020.cpp:8:5: note: candidates are: int hash [90005]
 int hash[M],x,y;
     ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_bvector.h:1181:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/vector:65,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:61,
                 from 0_0_14891636_10020.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^


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