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Which data structure is commonly used to implement Dijkstra's algorithm?

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Question: Which data structure is commonly used to implement Dijkstra\'s algorithm?

Options:

  1. Stack
  2. Queue
  3. Priority Queue
  4. Array

Correct Answer: Priority Queue

Solution: 

A priority queue is used in Dijkstra\'s algorithm to efficiently retrieve the next node with the smallest tentative distance.

Which data structure is commonly used to implement Dijkstra's algorithm?

Practice Questions

Q1
Which data structure is commonly used to implement Dijkstra's algorithm?
  1. Stack
  2. Queue
  3. Priority Queue
  4. Array

Questions & Step-by-Step Solutions

Which data structure is commonly used to implement Dijkstra's algorithm?
  • Step 1: Understand that Dijkstra's algorithm is used to find the shortest path in a graph.
  • Step 2: Recognize that the algorithm needs to keep track of nodes and their distances.
  • Step 3: Learn that a priority queue is a special data structure that allows us to efficiently get the node with the smallest distance.
  • Step 4: Realize that the priority queue helps Dijkstra's algorithm work faster by always accessing the closest node next.
No concepts available.
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