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View Compilation Error

0_0_22762366_16010.cpp: In function 'node* find(int, int)':
0_0_22762366_16010.cpp:18:15: error: reference to 'hash' is ambiguous
   for(node *p=hash[hf(k1)];p;p=p->nxt)
               ^
0_0_22762366_16010.cpp:14:4: note: candidates are: node* hash [379177]
 } *hash[M],pool[M];
    ^
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_22762366_16010.cpp:2:
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_22762366_16010.cpp: In function 'void insert(int, int)':
0_0_22762366_16010.cpp:27:17: error: reference to 'hash' is ambiguous
  pool[pp].nxt = hash[h];
                 ^
0_0_22762366_16010.cpp:14:4: note: candidates are: node* hash [379177]
 } *hash[M],pool[M];
    ^
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_22762366_16010.cpp:2:
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_22762366_16010.cpp:28:2: error: reference to 'hash' is ambiguous
  hash[h]=&pool[pp++];
  ^
0_0_22762366_16010.cpp:14:4: note: candidates are: node* hash [379177]
 } *hash[M],pool[M];
    ^
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_22762366_16010.cpp:2:
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_22762366_16010.cpp: In function 'void getbit(std::string&, std::string&, std::vector<int>&)':
0_0_22762366_16010.cpp:43:9: error: reference to 'hash' is ambiguous
  memset(hash,0,sizeof(hash));
         ^
0_0_22762366_16010.cpp:14:4: note: candidates are: node* hash [379177]
 } *hash[M],pool[M];
    ^
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_22762366_16010.cpp:2:
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_22762366_16010.cpp:43:23: error: reference to 'hash' is ambiguous
  memset(hash,0,sizeof(hash));
                       ^
0_0_22762366_16010.cpp:14:4: note: candidates are: node* hash [379177]
 } *hash[M],pool[M];
    ^
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_22762366_16010.cpp:2:
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_22762366_16010.cpp:43:28: error: 'memset' was not declared in this scope
  memset(hash,0,sizeof(hash));
                            ^


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