Tiling problem2

unable to think base case for this problen

hi @mvarun975_a7021058d653891d, refer this

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.

sir,why we have taken mod of ways??

hi @mvarun975_a7021058d653891d so that it stays within integer limits, to avoid integer overflow