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Recovering a Binary Search Tree (BST)

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Questions and Answers

What is the primary purpose of the Bellman-Ford algorithm?

To find the shortest path in a graph with non-negative edge weights
To detect negative cycles in a graph (correct)
To find the maximum flow in a network
To sort elements in an array

Which step in the Bellman-Ford algorithm is responsible for detecting negative cycles?

Relaxation
Initialization
Shortest path determination
Negative cycle detection (correct)

What happens when the Bellman-Ford algorithm detects a negative cycle?

It returns an error indicating the presence of a negative cycle (correct)
It returns the shortest path from the source vertex to a specific target vertex
It returns the shortest paths to all vertices
It terminates without returning any result

When does the Bellman-Ford algorithm terminate?

When no more relaxation can be performed (C) Signup and view all the answers

What data structure does Dial's Algorithm utilize?

Arrays (B) Signup and view all the answers

What is the purpose of Dial's Algorithm?

Finding the shortest path in a graph with non-negative edge weights (C) Signup and view all the answers

What does each bucket in the Dial's Algorithm contain?

Vertices (D) Signup and view all the answers

How are the buckets indexed in the Dial's Algorithm?

By distance from the source vertex (B) Signup and view all the answers

What is the main difference between the Bellman-Ford algorithm and Dial's Algorithm?

One is used for graphs with non-negative edge weights and the other is not (A) Signup and view all the answers

What is a common use case for the Bellman-Ford algorithm?

Detecting negative cycles in a graph (C) Signup and view all the answers

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