Practice Average Case Complexity of Quicksort - 22.1.3 | 22. Quicksort analysis | Data Structures and Algorithms in Python
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22.1.3 - Average Case Complexity of Quicksort

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the average case time complexity of quicksort?

πŸ’‘ Hint: Think about how quicksort performs under normal circumstances.

Question 2

Easy

What do you call the element used to partition the array?

πŸ’‘ Hint: It's a reference point for sorting.

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 is the complexity of quicksort in the average case?

  • O(n^2)
  • O(n log n)
  • O(n)

πŸ’‘ Hint: Consider how many times quicksort will typically divide the input.

Question 2

True or False: Quicksort is a stable sorting algorithm.

  • True
  • False

πŸ’‘ Hint: Recall what stability means in the context of sorting.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Consider a list of numbers which is already sorted in ascending order. How does the performance of quicksort change? Explain why.

πŸ’‘ Hint: Think about how the first element as pivot affects partitioning.

Question 2

Implement a stable version of quicksort in Python. Provide the code and explain how it ensures stability.

πŸ’‘ Hint: Consider how you can modify the traditional partitioning approach.

Challenge and get performance evaluation