View Compilation Error

0_0_38884894_14771.cpp: In function 'int main()':
0_0_38884894_14771.cpp:39:5: error: 'memset' was not declared in this scope
   39 |     memset(col,false,sizeof(col));
      |     ^~~~~~
0_0_38884894_14771.cpp:3:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    2 | #include<iomanip>
  +++ |+#include <cstring>
    3 |