Video Description

Actual Problem: https://leetcode.com/problems/validate-binary-search-tree/ Chapters: 00:00 - Intro 01:02 - Problem Statement and Description 03:29 - A level order traversal won't work 06:06 - Different tree traversals 10:07 - Using in-order traversal 12:29 - Dry-run of Code 15:27 - Final Thoughts 📚 Links to topics I talk about in the video: Level Order Traversal: https://youtu.be/9M3oCwPGamE Pre-order Traversal: https://youtu.be/Ifj-2aqSMnE Post-order Traversal: https://youtu.be/ZIXGxg8ZLKs In-order Traversal: https://youtu.be/Ifj-2aqSMnE Binary Tree: https://youtu.be/jxdEgfAsEg0 Binary Search Tree: https://youtu.be/hqkpg_9OnLM 📘 A text based explanation is available at: https://studyalgorithms.com Code on Github: https://github.com/nikoo28/java-solutions/blob/master/src/main/java/hackerrank/datastructures/trees/IsBinarySearchTree.java Test-cases on Github: https://github.com/nikoo28/java-solutions/blob/master/src/test/java/hackerrank/datastructures/trees/IsBinarySearchTreeTest.java 📖 Reference Books: Starting Learn to Code: https://amzn.to/36pU0JO Favorite book to understand algorithms: https://amzn.to/39w3YLS Favorite book for data structures: https://amzn.to/3oAVBTk Get started for interview preparation: https://amzn.to/39ysbkJ 🔗 To see more videos like this, you can show your support on: https://www.buymeacoffee.com/studyalgorithms 🎥 My Recording Gear: Recording Light: https://amzn.to/3pAqh8O Microphone: https://amzn.to/2MCX7qU Recording Camera: https://amzn.to/3alg9Ky Tablet to sketch and draw: https://amzn.to/3pM6Bi4 Surface Pen: https://amzn.to/3pv6tTs Laptop to edit videos: https://amzn.to/2LYpMqn 💻 Get Social 💻 Follow on Facebook at: https://www.facebook.com/studyalgos Follow on Twitter at: https://www.twitter.com/studyalgorithms Follow on Tumblr at: https://studyalgos.tumblr.com/ Subscribe to RSS feeds: https://studyalgorithms.com/feed/ Join fan mail: http://eepurl.com/g9Dadv #leetcode #programming #interview