View Compilation Error

0_0_39699763_14812.cpp: In function 'int main()':
0_0_39699763_14812.cpp:22:17: error: 'memset' was not declared in this scope
   22 |                 memset(num, 0, sizeof(num));
      |                 ^~~~~~
0_0_39699763_14812.cpp:6:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    5 | #include <iomanip>
  +++ |+#include <cstring>
    6 | using namespace std;