18.6 - Rebalancing During Deletions
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Practice Questions
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What is the slope in a binary search tree?
💡 Hint: Think about the heights before and after deletions.
Define what a rotation is in the context of trees.
💡 Hint: Consider what happens when a tree becomes unbalanced.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What happens when the slope at a node is +2?
💡 Hint: Focus on left and right relationships.
True or False: Calculating the height of subtrees is done on the fly.
💡 Hint: Think about efficiency in tree operations.
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Challenge Problems
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Describe the full rebalancing process if a tree node x has a slope of +2 and y has a slope of -1.
💡 Hint: Think about the order of operations for rotations.
If you need to delete a node and it causes a slope of -2, explain the steps for rebalancing.
💡 Hint: Consider both child slopes to determine the actions.
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