Practice Handling Missing Values in Deletion - 40.1.4 | 40. Search trees - Part B | Data Structures and Algorithms in Python
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What happens when we delete a leaf node?

πŸ’‘ Hint: Think of a leaf on a tree, it can just fall off.

Question 2

Easy

In the case of a node with one child, what do we do?

πŸ’‘ Hint: Consider how you would connect a chain when a link is missing.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What action do we take if we delete a leaf node?

  • We remove it
  • We move its child to the parent
  • We replace it with a value from the right

πŸ’‘ Hint: Think of a leaf falling from a plant.

Question 2

True or False: When a node has two children, we can directly delete it without any further steps.

  • True
  • False

πŸ’‘ Hint: Consider how a furniture item might need to be replaced before removal.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a binary search tree of integers, write a function to delete a specified node and return the new tree. Provide the necessary logic for handling nodes with multiple children.

πŸ’‘ Hint: Remember to maintain the BST properties while deleting.

Question 2

In a scenario where you have repeatedly deleted nodes leading to an imbalanced tree, outline a strategy to rebalance it. Describe the steps you would take.

πŸ’‘ Hint: Think about balancing a seesaw or restoring equilibrium.

Challenge and get performance evaluation