I applied online. The process took over a week.

There were four rounds in total. The first one was the HackerEarth test, the second was a DSA and HLD design round, the third round was an LLD design round, and the final round was the fitment round. I was rejected in the final round. A company as good as Zeta should be proactive in letting the candidates know the feedback or rejection instead of ghosting, or else you would risk losing out on a good name!

Determine if a binary tree is a BST or not.

Design the BookMyShow application, mostly how you define the class structure.