Playing with bits question

TESTCASE # 1 : timelimit (Time: 5.98 s)
what is the meaning of this?? how to do the correction?

hi aditi
please share your code with us by saving it on the online ide.

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.