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3 cards from this section. Quick, good the night before a test.
Define an AVL tree.
Think about the balance criteria for the tree.
What happens when a node is added to an AVL tree?
Consider the condition for rotations.
What is the maximum height difference in an AVL tree?
Recall the balance criterion for AVL trees.
True or False: A tree can be an AVL tree if the height difference between subtrees is 2.
Think about the definition of an AVL tree.
Given a series of insertions into an AVL tree (e.g., 10, 20, 30, 25), demonstrate the steps taken during each insertion, including any rotations.
Draw each insertion step to visualize the changes.
Describe the difference in insertion steps between a regular BST and an AVL tree using examples.
Think of a scenario where an AVL tree becomes unbalanced.
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