View Compilation Error

0_0_39344178_22227.cpp: In function 'void init(int)':
0_0_39344178_22227.cpp:14:9: error: 'memset' was not declared in this scope
   14 |         memset(p, 0, sizeof(p));
      |         ^~~~~~
0_0_39344178_22227.cpp:7:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    6 | #include<stack>
  +++ |+#include <cstring>
    7 | using namespace std;