View Compilation Error

0_0_39601835_16649.cpp: In function 'void getsg(int)':
0_0_39601835_16649.cpp:24:9: error: 'memset' was not declared in this scope
   24 |         memset(sg, 0, sizeof(sg));
      |         ^~~~~~
0_0_39601835_16649.cpp:11:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
   10 | #include<stack>
  +++ |+#include <cstring>
   11 | #include<string>