View Compilation Error

0_0_36449714_23152.cpp: In function 'int solve(int)':
0_0_36449714_23152.cpp:17:13: error: missing template arguments before ',' token
  memset(hash,0,sizeof(hash));
             ^
0_0_36449714_23152.cpp:17:27: error: missing template arguments before ')' token
  memset(hash,0,sizeof(hash));
                           ^