Is your feature request related to a problem? Please describe.
Add an easy and efficient way to calculate nth Ugly Number

Describe the solution you'd like
The following approach will make use of Dynamic Programming to compute nth Ugly Number , the problem description and Algorithm will be provided as comments in the file
As a part of Hacktoberfest 2021 , I would love to add this feature in the codebase
Can you please assign this to me @siriak
Thank you!