View Compilation Error

0_0_39560468_17253.cpp: In function 'void get_sg()':
0_0_39560468_17253.cpp:16:5: error: 'memset' was not declared in this scope
   16 |     memset(sg, 0, sizeof sg);
      |     ^~~~~~
0_0_39560468_17253.cpp:5:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    4 | #include <iostream>
  +++ |+#include <cstring>
    5 | using namespace std;