Medium level tree algorithms

Oct. 4, 2018

Introduction

I plan to work on medium level tree algorithms in next few weeks. I solved 14 medium level ones, and there are 24 ones for me to solve. What I like to do is to review the procedure I practice algorithm, I like to get organized, make sure that the code is ready to share on Leetcode discuss. I like to see some test cases with the submission.

The medium level tree algorithms can be accessed by the link here. Choose to click difficulty and then algorithms will be sorted by hard, medium and easy by level.

First thing to share solved algorithms

I spent half hour to share the submissions for those 14 solved medium level tree algorithms. It is not pleasant to read some code and then I could not tell what I learned from the practice. Mistakes, or concerns are missing in those submissions.