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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does it mean to 'burn' a vertex in Dijkstra's algorithm?
💡 Hint: Think of it as locking in the shortest distance.
Question 2
Easy
What is a negative edge weight?
💡 Hint: It's a negative impact on the path length.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the purpose of the update operation in Dijkstra's algorithm?
- To finalize the shortest distance to a vertex
- To explore new vertices
- To reset all distances
💡 Hint: Focus on what happens when you burn a vertex.
Question 2
True or False: Dijkstra's algorithm effectively calculates shortest paths for graphs with negative edge weights.
- True
- False
💡 Hint: Consider the implications of negative weights.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a graph with vertices A, B, C, and D, where A to B is 5, A to C is 2, C to D is -4, and what shortest path does Bellman-Ford compute?
💡 Hint: Think about how the negative edge affects the overall path.
Question 2
Using a weighted directed graph where all edges have positive weights, explain how Dijkstra's algorithm ensures the shortest path is always found.
💡 Hint: Focus on the steps and rules of Dijkstra's process.
Challenge and get performance evaluation