Practice Demonstration Of Tree Operations (40.4) - Search trees - Part B
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Demonstration of Tree Operations

Practice - Demonstration of Tree Operations

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What happens when we delete a leaf node?

💡 Hint: Think about what it means for a node to have no children.

Question 2 Easy

If a node has one child, what do we do?

💡 Hint: What does promoting a child mean?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What happens when we delete a leaf node?

It becomes an empty node
It is promoted
No action required

💡 Hint: Consider what a leaf node represents.

Question 2

True or False: A node with two children can be deleted directly.

True
False

💡 Hint: Think about the rules of binary search trees.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a binary search tree with nodes [30, 20, 40, 10, 25, 35, 50], delete node '20' and show the tree's new structure and describe the deletion process.

💡 Hint: Remember to replace with the maximum from the left.

Challenge 2 Hard

You have an unbalanced tree after multiple insertions of sorted values. If you need to delete the last node, discuss how you can keep the tree balanced afterward with examples.

💡 Hint: What methods do you recall for balancing trees?

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Reference links

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