View Compilation Error

0_0_38569315_28621.cpp: In function 'int main()':
0_0_38569315_28621.cpp:37:13: error: 'memset' was not declared in this scope
   37 |             memset(set,0,sizeof(set));
      |             ^~~~~~
0_0_38569315_28621.cpp:3:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    2 | #include<map>
  +++ |+#include <cstring>
    3 | using namespace std;