I went through a phone screen which consisted of LC medium and LC hard problems. The next step was the interview. The first interviewer asked 4-5 LC questions in quick succession, ranging from medium to hard. For some, I had to write the code; for others, they just wanted to check my approach.

I was asked system design questions on finding bottlenecks in a system with given parameters and had to come up with solutions to mitigate them.

Find the locations of an optimal meeting point between points on a matrix.

Write an LRU cache.