About outer while loop updation

#1

in last number of test case update N=n-1;
why;

#2

hello @mohitenikhil888

we are decremeting the value of n by 1.

because in total we want to iteration N times.
so after every iteration we are decrementing its value by 1

#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.