View Compilation Error

0_0_38566901_20424.cpp: In function 'void getsg()':
0_0_38566901_20424.cpp:7:9: error: 'memset' was not declared in this scope
    7 |         memset(sg, 0, sizeof(sg));
      |         ^~~~~~
0_0_38566901_20424.cpp:3:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    2 | #include<string>
  +++ |+#include <cstring>
    3 | using namespace std;