Catalan Number DP

I am getting correct answer by recursive manner, but incorrect answer by Top Down Dp Approach

Can someone help me, in figuring out the problem in Top Down DP Approach in Catalan Number Problem

hi @ayushmittal628_58414ee9c56e4875
image
just make this change… make array of size n+1, and initialize array till i <= n with -1

corrected code -->

@ayushmittal628_58414ee9c56e4875
is there anything else? or shall I mark the doubt as resolved?

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.