Practice Min-heaps (36.6.2) - Priority queues and heaps - Part B - Data Structures and Algorithms in Python
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Min-Heaps

Practice - Min-Heaps

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a Min-Heap?

💡 Hint: Think about how this affects the root node.

Question 2 Easy

Describe the time complexity of insertion in a Min-Heap.

💡 Hint: Consider the depth of the tree when inserting a new element.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What characterizes a Min-Heap?

Each parent node is smaller than its children
Each parent node is larger than its children
Parent nodes can be equal to children

💡 Hint: Think about the minimum value's location.

Question 2

True or False: The time to delete the root from a Min-Heap is O(n).

True
False

💡 Hint: Consider the tree height during deletion.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given an array [8, 4, 6, 2, 10, 5], convert it into a Min-Heap and show the structure step by step.

💡 Hint: Think about how each parent-child relationship works.

Challenge 2 Hard

Create a Min-Heap from this array and remove the minimum element thrice: [15, 10, 20, 5, 30, 25]

💡 Hint: Pay attention to the shifting of nodes.

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Reference links

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