View Compilation Error

0_0_39822984_8360.cpp: In function 'void DFS_Init()':
0_0_39822984_8360.cpp:44:5: error: 'memset' was not declared in this scope
   44 |     memset(vis, 0, sizeof(vis));
      |     ^~~~~~
0_0_39822984_8360.cpp:5:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    4 | #include<queue>
  +++ |+#include <cstring>
    5 | using namespace std;