Greedy 06-Biased Standing Code doubt

#1

what is memset? why are we using it here?

#2

to know about memset : https://www.programiz.com/cpp-programming/library-function/cstring/memset

here memset is used to set all values of array to 0

#3

I hope I’ve cleared your doubt. I ask you to please rate your experience here
Your feedback is very important. It helps us improve our platform and hence provide you
the learning experience you deserve.

On the off chance, you still have some questions or not find the answers satisfactory, you may reopen
the doubt.