It is a binary search tree with a balance factor of -1, 0, or 1.
It allows duplicate values.
It is a complete binary tree.
It is a binary tree with no children.
Questions & Step-by-Step Solutions
What is the main property of an AVL tree?
Step 1: Understand what an AVL tree is. It is a type of binary search tree.
Step 2: Know that a binary search tree is a tree where each node has at most two children, and the left child is less than the parent, while the right child is greater.
Step 3: Learn that an AVL tree is special because it keeps itself balanced.
Step 4: The balance is maintained by ensuring that the heights of the left and right subtrees of any node differ by no more than one.
Step 5: This means if you look at any node in the tree, the height of its left side and the height of its right side should be almost equal.
