View Compilation Error

0_0_14829206_2609.cpp: In function 'int main()':
0_0_14829206_2609.cpp:33:6: error: 'cnt' was not declared in this scope
   CL(cnt,0);
      ^
0_0_14829206_2609.cpp:18:24: note: in definition of macro 'CL'
 #define CL(x,v) memset(x,v,sizeof(x))
                        ^
0_0_14829206_2609.cpp:34:12: error: expected ';' before ')' token
   for(int i)
            ^
0_0_14829206_2609.cpp:34:12: error: expected primary-expression before ')' token
0_0_14829206_2609.cpp:34:12: error: expected ';' before ')' token
0_0_14829206_2609.cpp:39:5: error: 'ans' was not declared in this scope
     ans=a[i];
     ^
0_0_14829206_2609.cpp:42:17: error: 'ans' was not declared in this scope
   printf("%d\n",ans);
                 ^