Monday, November 19, 2018

96. Unique binary search trees

Nov. 19, 2018

Introduction


It is a medium level tree algorithm. I really like the challenge and then I learn to be patient, and also I need to push myself hard next time to solve the problem by myself. I was very close to come out the recurrence formula by myself.

My practice


Here is the discuss link I shared on leetcode.com.


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