21.1.7 - Applications of DFS Numbers
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Practice Questions
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What is the main strategy of Depth First Search?
💡 Hint: Consider how the search prioritizes depth.
What do pre and post numbers indicate in DFS?
💡 Hint: Think about the order of operations.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does DFS stand for?
💡 Hint: Think about graph traversal techniques.
True or False: The pre-number of a vertex indicates the time it is fully processed.
💡 Hint: Consider how we track visitation versus completion.
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Challenge Problems
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Given a graph, use DFS to find and list all the articulation points. Explain your approach.
💡 Hint: Check how removal impacts connectivity.
Devise a way to modify the DFS algorithm to output both pre and post numbers for each vertex without using a natural stack.
💡 Hint: Think about how you might keep track of entry and exit timings recursively.
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