The Ultimate Guide to Balance in Binary Search Trees: An Understanding of AVL Trees The idea of AVL trees might appear complicated at first, but if you grasp the gist of it, it's a straightforward and tasteful way to keep balance in binary search trees. How do AVL trees work? A sort of binary search tree known as an AVL tree makes sure that there is never more than one difference between the heights of any given node's left and right children. The AVL property, which maintains this equilibrium, guarantees that the search operations are quick and that the height of the tree remains logarithmic (O(log(n))). Height is Important in AVL Trees We must first comprehend the idea of a node's height in a tree in order to comprehend how AVL trees maintain balance. The maximum distance that can be traveled from a node to a tree leaf is the definition of a node's height. The highlighted node in the tree below, for instance, would be six inches tall. It is possible to define a node's height recursively in a simple way. The height of the node is one if it is a leaf. If not, the height is equal to the highest height of the children on the left and the right, plus one. The AVL Estate According to the AVL property, there can only be a one-height difference between a node's left and right children for all nodes N in the tree. By upholding this characteristic, the tree's balance and logarithmic (O(log(n)) height are both preserved. Height Storage in AVL Trees Each node's key, pointers to its parent, left child, and right child, as well as its height, must be stored in AVL trees. The height of the nodes must be updated, though, as rearranging the tree may alter their height. A straightforward and tasteful way to keep balance in binary search trees is through the use of AVL trees. The height of the tree stays logarithmic and the search operations continue to be quick by guaranteeing the AVL property. You can begin to appreciate the beauty of AVL trees and their significance in computer science by comprehending the idea of height and the AVL property.