View Compilation Error

0_0_39967158_17103.cpp: In function 'int main()':
0_0_39967158_17103.cpp:30:8: error: 'memset' was not declared in this scope
   30 |        memset(ans,0,sizeof ans);
      |        ^~~~~~
0_0_39967158_17103.cpp:2:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    1 | #include <iostream>
  +++ |+#include <cstring>
    2 | #include <stdio.h>