View Compilation Error

0_0_13291633_22385.cpp: In function 'int main()':
0_0_13291633_22385.cpp:56:14: error: missing template arguments before ',' token
   memset(hash,0,sizeof(hash));
              ^
0_0_13291633_22385.cpp:56:28: error: missing template arguments before ')' token
   memset(hash,0,sizeof(hash));
                            ^