First, we had a test. It had aptitude questions as well as two coding questions.

I had gone till Technical Interview Round-2.

In the first round, I was asked basic questions. Then we shifted to DSA. He asked me a question on arrays. I gave solutions, and then we figured out some bugs in it.

This went on for a while. Then, with a new approach and better clarity, we finally got to the answer.

In the second round, I was asked a question on system design. I asked some questions to get better clarity. Then he helped me a bit to go with the approach, as this was my first time, I was a bit unsure. I answered all his OOP-related questions except one or two.

Design a parking lot registration system where you will assign a car's registration number to a slot in the parking lot. You have to write functions for allocation, deallocation, and finding a slot or car.