View Compilation Error

0_0_18932022_25533.cpp: In function 'void dsf2(int)':
0_0_18932022_25533.cpp:33:5: error: reference to 'hash' is ambiguous
     hash[cnt]=x;
     ^
0_0_18932022_25533.cpp:11:5: note: candidates are: int hash [6000]
 int hash[6000],id[6000],big[6000];
     ^
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 0_0_18932022_25533.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;
            ^