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18.6. Rebalancing During Deletions
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2 cards from this lesson. Good the night before a test.
Try these first
- 1.
What is the slope in a binary search tree?
Hint
Think about the heights before and after deletions.
- 2.
Define what a rotation is in the context of trees.
Hint
Consider what happens when a tree becomes unbalanced.
- 3.
What happens when the slope at a node is +2?
- Left subtree gets taller.
- Right subtree gets taller.
- Tree remains balanced.
Hint
Focus on left and right relationships.
- 4.
True or False: Calculating the height of subtrees is done on the fly.
- True
- False
Hint
Think about efficiency in tree operations.
- 5.
Describe the full rebalancing process if a tree node
xhas a slope of +2 andyhas a slope of -1.Hint
Think about the order of operations for rotations.
- 6.
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.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
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Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting