View Compilation Error

0_0_39189205_6107.cpp: In function 'int main()':
0_0_39189205_6107.cpp:67:17: error: 'memset' was not declared in this scope
   67 |                 memset(vis, 0, sizeof(vis));
      |                 ^~~~~~
0_0_39189205_6107.cpp:2:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    1 | #include <iostream>
  +++ |+#include <cstring>
    2 | #include <string>