Backend services for multiple team. Focus will be on problem solving and multiple approaches. 1) Find diameter of binary tree. 2) Find intersection of two linked list 3) System design will focus on existing solution like bookmyshow/netflix/ola booking/flight booking etc

I was asked to design movie tickets booking site/app similar to book my show. The rest of the questions were just follow up on my approach. It was a very high-level discussion with no code involved.