Google

The interview started with a phone call. I was given a medium-difficulty programming question about finding the longest chain of words where each word differs by only one letter from the previous word in a dictionary. The interviewer was nice, and

Series of interviews with LeetCode hard and medium questions. Some were much worse than others. I encountered graphs, DP, and a string question. I only reached the second round, so I don't know much beyond that.

The interview experience was tough but good. There was a series of phone calls and live screen interviews. They asked about algorithms, runtime, and what not. It was tough but organized.