View Compilation Error

0_0_38874601_29412.cpp: In function 'int BFS()':
0_0_38874601_29412.cpp:20:5: error: 'memset' was not declared in this scope
   20 |     memset(vis, 0, sizeof(vis));
      |     ^~~~~~
0_0_38874601_29412.cpp:3:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    2 | #include <queue>
  +++ |+#include <cstring>
    3 | using namespace std;