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View Compilation Error

0_0_13291623_6968.cpp: In function 'int main()':
0_0_13291623_6968.cpp:56:10: error: reference to 'hash' is ambiguous
   memset(hash,0,sizeof(hash));
          ^
0_0_13291623_6968.cpp:12:5: note: candidates are: ull hash [130][130]
 ull hash[N][N];//hash[i][j]表示s[i][j],s[i][j+1].....s[i][j+w-1]这个字符串的hash值 
     ^
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++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_13291623_6968.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_13291623_6968.cpp:56:24: error: reference to 'hash' is ambiguous
   memset(hash,0,sizeof(hash));
                        ^
0_0_13291623_6968.cpp:12:5: note: candidates are: ull hash [130][130]
 ull hash[N][N];//hash[i][j]表示s[i][j],s[i][j+1].....s[i][j+w-1]这个字符串的hash值 
     ^
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++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_13291623_6968.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_13291623_6968.cpp:63:6: error: reference to 'hash' is ambiguous
      hash[i][j]=hash[i][j]*base+s[i][j+w-1]-'A';
      ^
0_0_13291623_6968.cpp:12:5: note: candidates are: ull hash [130][130]
 ull hash[N][N];//hash[i][j]表示s[i][j],s[i][j+1].....s[i][j+w-1]这个字符串的hash值 
     ^
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++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_13291623_6968.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_13291623_6968.cpp:63:17: error: reference to 'hash' is ambiguous
      hash[i][j]=hash[i][j]*base+s[i][j+w-1]-'A';
                 ^
0_0_13291623_6968.cpp:12:5: note: candidates are: ull hash [130][130]
 ull hash[N][N];//hash[i][j]表示s[i][j],s[i][j+1].....s[i][j+w-1]这个字符串的hash值 
     ^
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++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_13291623_6968.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_13291623_6968.cpp:64:18: error: reference to 'hash' is ambiguous
      if(map.find(hash[i][j])==map.end()) map.insert(make_pair(hash[i][j],max++));
                  ^
0_0_13291623_6968.cpp:12:5: note: candidates are: ull hash [130][130]
 ull hash[N][N];//hash[i][j]表示s[i][j],s[i][j+1].....s[i][j+w-1]这个字符串的hash值 
     ^
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++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_13291623_6968.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_13291623_6968.cpp:64:63: error: reference to 'hash' is ambiguous
      if(map.find(hash[i][j])==map.end()) map.insert(make_pair(hash[i][j],max++));
                                                               ^
0_0_13291623_6968.cpp:12:5: note: candidates are: ull hash [130][130]
 ull hash[N][N];//hash[i][j]表示s[i][j],s[i][j+1].....s[i][j+w-1]这个字符串的hash值 
     ^
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++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_13291623_6968.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_13291623_6968.cpp:69:18: error: reference to 'hash' is ambiguous
      st[l++]=map[hash[i][j]];
                  ^
0_0_13291623_6968.cpp:12:5: note: candidates are: ull hash [130][130]
 ull hash[N][N];//hash[i][j]表示s[i][j],s[i][j+1].....s[i][j+w-1]这个字符串的hash值 
     ^
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++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_13291623_6968.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;
            ^


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