22.6 - Applications of BFS and DFS
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Practice Questions
Test your understanding with targeted questions
Define a cycle in a graph.
💡 Hint: Think about returning to the same point without retracing edges.
What does DFS stand for?
💡 Hint: It's a common graph traversal algorithm.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a cycle in graph theory?
💡 Hint: Consider paths in a circle.
Does a back edge in a directed graph always indicate a cycle?
💡 Hint: What does a back edge connect to?
1 more question available
Challenge Problems
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You are given a directed graph. Explain why the presence of a back edge indicates a cycle. Provide an example.
💡 Hint: Sketch the graph to visualize the back edge.
Create a simple undirected graph and explain how you would use DFS to check for cycles.
💡 Hint: Focus on marking visited nodes and avoiding the parent node.
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