Validate Binary Search Tree

#binary-search-tree #grind75 #grind75-week4 #leetcode #leetcode-20min #leetcode-medium

April 06, 1970

Prerequisites

To understand this note, these notes may help:

Grind75, a better Blind75 you can customize
- Leetcode discussion on Blind75 LeetCode questions
  - Memorising Leetcode by using Anki as a Scheduler

Grind75 week 4, problem 6.

This problem is medium, and is expected to take 20 mins.

https://leetcode.com/problems/validate-binary-search-tree