This video lecture shows the full solution to an amazon interview question which has also been asked for many other company interviews. This lecture explains what is bell number and how to find bell numbers using 3 methods. If you find any difficulty or have any query then do COMMENT below. PLEASE help our channel by SUBSCRIBING and LIKE our video if you found it helpful...CYA :)
CODE LINK: https://drive.google.com/open?id=1-9YgEkzMcOplDbiukj_m_RXmt9V5wc3f
Nth CATALAN Number : https://www.youtube.com/watch?v=CMaZ69P1bAc
