Introduction
It is an easy level tree algorithm. I choose the algorithm to interview over five people last month on interviewing.io. On Sept. 30, 2018 10:00 PM, I had chance to work with the interviewee over 45 minutes again on the algorithm.
As an interviewer, I also learn the algorithm through the mock interview. I like to write another solution based on the discussion with a few interviewees last 30 days.
My practice
I like to write another idea to solve the problem. I started to write the blog 11:07 AM, now it is 12:04 PM, it took me 63 minutes to complete the following task:
1. Write the C# code and submit it against Leetcode online judge. The code passes all test cases.
2. Write a post on leetcode.com, here is the link.
I need to save it on my github as well. I will spend 20 minutes to write a post on code review website and get some review in the future.
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