datastructure

🚀 Feature Proposal

Adding leading zero in the question number will be an awesome feature for file explorer to sort files by the name.

This is no longer used and causes another reference to ITree which we want to eliminate. This probably doesn't need to be first deprecated.

Adding several other relevant functionalities to the code .

Go the following link to see the problem statement and add solution into the appropriate folder.
https://www.hackerrank.com/challenges/beautiful-triplets/problem

Currently the instance is derive. But it's possible to implement more efficient instance