Practice Union Of Two Lists (20.4.1) - Mergesort, analysis - Data Structures and Algorithms in Python
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Union of Two Lists

Practice - Union of Two Lists

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Practice Questions

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Question 1 Easy

What are the steps to merge two sorted lists?

💡 Hint: Think about how you would sort two numbers.

Question 2 Easy

When merging lists, what happens if both have the same element?

💡 Hint: Consider the example of merging [1, 2] and [2, 3].

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the time complexity of the merge operation?

O(n^2)
O(n log n)
O(n)

💡 Hint: Consider the operations involved in merging two lists.

Question 2

True or False: Merge sort can handle large datasets but requires extra storage.

True
False

💡 Hint: Review the limitations of merge sort discussed.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given two lists A = [1, 4, 6, 8] and B = [1, 2, 3, 6, 7, 8], write a function to output the union of both lists without duplicates.

💡 Hint: Consider how you would iterate through both lists simultaneously.

Challenge 2 Hard

Suppose you have lists A = [1, 3, 5, 7] and B = [2, 4, 6]. How would you implement a function to find the intersection?

💡 Hint: What data structures can help you efficiently find intersections?

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