Practice Time And Space Complexities (4.8) - Model and Work with Graph Data Structures
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Time and Space Complexities

Practice - Time and Space Complexities

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the space complexity of an adjacency list?

💡 Hint: Think about how many vertices and edges are stored.

Question 2 Easy

How do you add an edge using an adjacency matrix?

💡 Hint: Consider the location in the matrix.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the space complexity of an adjacency list?

O(V)
O(E)
O(V + E)

💡 Hint: Consider both the number of vertices and edges.

Question 2

True or False: An adjacency matrix can indicate whether an edge exists in O(1) time.

True
False

💡 Hint: Think about how matrices are structured.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a sparse graph, justify why an adjacency list is the preferred representation over an adjacency matrix.

💡 Hint: Think about edge density relative to the number of vertices.

Challenge 2 Hard

For a dense graph, describe a scenario where using an adjacency matrix for fast edge lookups is advantageous.

💡 Hint: Consider environments where speed is crucial.

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Reference links

Supplementary resources to enhance your learning experience.