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

Practice Questions

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

Questions & Step-by-Step Solutions

What 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 from the starting point.
  • 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 using a priority queue helps the algorithm run faster by always processing the closest node next.
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