It was a single 45-minute online interview.

One round of LeetCode questions lasted for about 30 minutes. The interviewer first asked me to merge two sorted lists into one sorted list. The coding platform was somewhat like Notepad; you could write code but not run it.

After I came up with a solution, the follow-up question was to sort k sorted lists into a single sorted list. I wasn't able to fully code the answer but was able to provide the time complexity and space complexity.

Next were 15-minute Leadership Principle questions. I received three questions, which you can easily find if you search.

Merge two sorted lists.

Merge k sorted lists.