View Compilation Error

0_0_38909288_18762.cpp: In function 'int main()':
0_0_38909288_18762.cpp:10:11: error: 'memset' was not declared in this scope
   10 |           memset(hgt,0,sizeof(hgt));
      |           ^~~~~~
0_0_38909288_18762.cpp:3:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    2 | #include<stdlib.h>
  +++ |+#include <cstring>
    3 | using namespace std;