Help needed in debugging. Count Binary Strings

#1

My code is failing test case 1 and 2 . Could you please tell me where i am going wrong?

#2

hello @utkarshvashisth94
use long long for dp array and function return type

#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.