19.1.6 - Adjacency List Representation
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Practice Questions
Test your understanding with targeted questions
What does a vertex represent in a graph?
💡 Hint: Think about the dots in a graph.
How does an adjacency matrix represent a graph?
💡 Hint: Remember the rows and columns represent vertices.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main advantage of an adjacency list?
💡 Hint: Think about how many edges there are in a sparse graph.
True or False: An adjacency matrix can easily represent the absence of edges.
💡 Hint: Consider what happens in a sparse graph.
2 more questions available
Challenge Problems
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Consider a directed graph represented by an adjacency list. How many different edges can the graph contain if you have 'n' vertices? Provide a general formula and an example.
💡 Hint: Think about how many unique connections can exist.
Given a sparse graph represented using an adjacency list, describe the impact on time complexity when attempting to find all neighbors of a node versus using a dense graph with an adjacency matrix.
💡 Hint: Consider how many edges relative to nodes influence the retrieval processes.
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