View Compilation Error

0_0_38715343_16085.cpp: In function 'int main()':
0_0_38715343_16085.cpp:35:9: error: 'memset' was not declared in this scope
   35 |         memset(vis, 0, sizeof(vis));
      |         ^~~~~~
0_0_38715343_16085.cpp:11:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
   10 | #include <utility>
  +++ |+#include <cstring>
   11 | using namespace std;