Introduction
I learn from my own mock interview experience. After the mock interview on Oct. 15, 2018, I got the complaint from the interviewee. So I decided to spend extra 30 minutes to help and have discussion with the interviewee.
I had chance to work with the interviewee this time, and then we had good discussion how to solve those algorithms.
How to explain the approach?
Here are the hints I gave in the mock interview. The algorithm is called longest univalue path on Leetcode.com, easy level tree algorithm.
My advice
I also wrote down my advice after the mock interview as the interviewer.
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