I would love to receive some more thoughts on this part:
Do you think that challenging interview will mean a challenging job?

I feel I don't have that much knowledge on the topic since I turn them down most of the time so I don't know if they have a challenging daily job even tho interv

See src/datastructures/BST/README.md

Every question comprises of 3 different files mentioned below

1. Problem statement.
2. Skeleton.
3. Test cases.

Questions can be created using the application's UI.