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9. Heaps
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Practice test
11 questions on this section. Wrong answers show you what to read again.
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Revision test
Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
3 cards from this lesson. Good the night before a test.
Try these first
- 1.
What is the primary purpose of a priority queue?
Hint
Think about how tasks are executed based on urgency.
- 2.
What is a heap?
Hint
Consider how heaps are structured compared to other trees.
- 3.
Which operation removes the highest priority element from a heap?
- Insert
- Delete Max
- Add Element
Hint
Remember the operation that focuses on removing elements.
- 4.
True or False: The max heap property requires each parent to be less than its children.
- True
- False
Hint
Think about how parents compare to their children in a binary tree.
- 5.
Given the following values, insert them into an empty max heap: 10, 20, 15, 30, 5. Show the steps taken.
Hint
Keep track of the parent comparisons during each insertion.
- 6.
Construct a min heap from the following elements: 5, 3, 17, 10, 84, 19, 6, 22, 9. Show how to maintain the min heap property.
Hint
Remember, each insertion can cause a bubble down to find the correct position.
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
1 more question available
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