How to Search in a Binary Search Tree (BST) – Step by Step Explanation with Examples

How to Search in a Binary Search Tree (BST) – Step by Step Explanation with Examples

Learn how to search in a Binary Search Tree. We demonstrate searching for existing and non-existing values, explain why BST search is O(log n) on average, and show how poor data ordering can turn your tree into a slow linear structure similar to a linked list. Includes discussion of tree height and balanced vs unbalanced BSTs.
Binary Search Tree Insertion Tutorial: Building a BST from Scratch Step by Step

Binary Search Tree Insertion Tutorial: Building a BST from Scratch Step by Step

Learn how to build a binary search tree (BST) by inserting numbers one by one. Follow the insertion process for the sequence 88, 21, 3, 6, 72, 34, 11, 1, 90, 65, 55, 17, 23, 9. See left/right decisions, pointer updates, inorder verification for sorted order, tree height calculation (6), and discussion of O(h) time complexity versus log n for balanced trees. Clear explanations without skipping steps.
Building a Binary Search Tree – Insertion Tutorial

Building a Binary Search Tree – Insertion Tutorial

In this tutorial we build a binary search tree together by inserting the numbers 73, 98, 12, 45, 67, 10, 43, 11, 99, and 32 one by one. Starting from an empty tree, each number is placed according to binary search tree rules: smaller values go left, larger values go right. We let the nodes fall where they belong without any rearranging, resulting in a realistic (and slightly lopsided) BST. The video explains tree depth, height, and confirms the final structure maintains all BST properties with a properly sorted in-order traversal.