View Compilation Error

0_0_38681805_21930.cpp: In function 'int main()':
0_0_38681805_21930.cpp:16:13: error: 'memset' was not declared in this scope
   16 |             memset(f,0,sizeof f);
      |             ^~~~~~
0_0_38681805_21930.cpp:2:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    1 | #include <iostream>
  +++ |+#include <cstring>
    2 |