View Compilation Error

0_0_39297965_7348.cpp: In function 'int main()':
0_0_39297965_7348.cpp:73:9: error: 'memset' was not declared in this scope
   73 |         memset(use,false,sizeof(use));
      |         ^~~~~~
0_0_39297965_7348.cpp:5:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    4 | #include<queue>
  +++ |+#include <cstring>
    5 | #define HH 1111111