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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a leaf node in a binary tree?
💡 Hint: Think of the very end points of branches in a tree.
Question 2
Easy
Describe what promotion means in binary search tree.
💡 Hint: What happens to the child when a parent is deleted?
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 do you do if the deleted node is a leaf?
- Remove it directly
- Find another value to replace it
- Keep it in place
💡 Hint: What happens when you prune a dead leaf?
Question 2
True or False: Deleting a node with one child only requires connecting the parent to the child.
- True
- False
💡 Hint: Does anything else change in that case?
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a binary search tree with the following values: 50, 30, 70, 20, 40, 60, 80. Then delete the node with value 30 and explain the process step by step.
💡 Hint: What will you need to consider with nodes that have children?
Question 2
In a scenario where AVL tree becomes unbalanced after several deletions, outline how rotations would be applied to restore balance.
💡 Hint: Think about how some parts of the tree might shift after removing nodes.
Challenge and get performance evaluation