Strings: CB Number Problem

#1

Half of the test cases failed. Help me identify the mistake.

#2

Hi… just go through this https://ide.codingblocks.com/s/611419
i hope it will clear all ur doubts…

#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.