Google

4 interviews about algorithms and data structures, plus 1 lunch interview. All 4 rounds of questions were about algorithms and data structures. The difficulty ranged from medium to hard, with one hard follow-up question. For the 2nd round interview

The interviewers were both nice. The process was smooth. Interviewers were on time and the communication was clear. I was a bit nervous because this is the first technical interview I attended, but it was definitely a good experience.

The first round was a phone interview. It started with a brief introduction, directly jumping to the coding part. The interviewer was kind and offered hints and explanations to the questions.