View Compilation Error

0_0_38725108_8938.cpp: In function 'void BFS(int)':
0_0_38725108_8938.cpp:17:5: error: 'memset' was not declared in this scope
   17 |     memset(vis,0,sizeof(vis));//初始化访问记录
      |     ^~~~~~
0_0_38725108_8938.cpp:5:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    4 | #include <queue>
  +++ |+#include <cstring>
    5 | #include <string>