Practice List Difference - 20.4.3 | 20. Mergesort, analysis | Data Structures and Algorithms in Python
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Academics
Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Professional Courses
Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβ€”perfect for learners of all ages.

games

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the time complexity of merge sort?

πŸ’‘ Hint: Think about how the list is divided and merged.

Question 2

Easy

Define the merge function.

πŸ’‘ Hint: Consider how two lists can be merged while maintaining order.

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 time complexity of merge sort?

  • O(n)
  • O(n log n)
  • O(n^2)

πŸ’‘ Hint: Think about how many times the list divides.

Question 2

True or False: The merge function can perform the intersection of two lists by its structure.

  • True
  • False

πŸ’‘ Hint: Reflect on how merging works when elements are equal.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Create a merge sort algorithm function that efficiently sorts a list and returns the sorted list.

πŸ’‘ Hint: Remember to merge in sorted order.

Question 2

Write code that takes two sorted lists of integers and returns their list difference using the merge function.

πŸ’‘ Hint: Focus on the elements of A that do not appear in B.

Challenge and get performance evaluation