View Compilation Error

0_0_39158166_2650.cpp: In function 'int main()':
0_0_39158166_2650.cpp:16:9: error: 'memset' was not declared in this scope
   16 |         memset(f,0,sizeof(f));
      |         ^~~~~~
0_0_39158166_2650.cpp:3:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    2 | #include<cstdio>
  +++ |+#include <cstring>
    3 | using namespace std;