Practice Insertion Sort (5.3.3) - Apply Sorting and Searching Algorithms Efficiently
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Insertion Sort

Practice - Insertion Sort

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the primary function of Insertion Sort?

💡 Hint: Remember how the name 'insertion' relates to the key action in this algorithm.

Question 2 Easy

Explain why Insertion Sort is efficient for small datasets.

💡 Hint: Think about how less data means less work.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the average time complexity of Insertion Sort?

O(n)
O(n log n)
O(n²)

💡 Hint: Remember how the comparisons grow with the number of elements.

Question 2

Is Insertion Sort stable?

True
False

💡 Hint: Think about how similar keys are dealt with in the algorithm's implementation.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

You have an array of numbers representing exam scores: [85, 97, 62, 74, 91]. Write an Insertion Sort function to sort them from highest to lowest.

💡 Hint: Reverse the comparison in the while loop to achieve descending order.

Challenge 2 Hard

Create a detailed description of how Insertion Sort would behave with a completely reversed array of ten elements.

💡 Hint: Consider how each new value must shift all others in a completely sorted arrangement.

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Reference links

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