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Which of the following is NOT a step in Dijkstra's algorithm?

Practice Questions

Q1
Which of the following is NOT a step in Dijkstra's algorithm?
  1. Initialize distances
  2. Select the node with the smallest distance
  3. Update distances of adjacent nodes
  4. Sort the entire graph

Questions & Step-by-Step Solutions

Which of the following is NOT a step in Dijkstra's algorithm?
  • Step 1: Understand that Dijkstra's algorithm is used to find the shortest path in a graph.
  • Step 2: Know that the algorithm starts with a starting node and sets its distance to zero.
  • Step 3: The algorithm then looks at all the neighboring nodes and updates their distances based on the current node's distance.
  • Step 4: Select the node with the smallest distance that hasn't been visited yet.
  • Step 5: Repeat the process of updating distances and selecting the next node until all nodes have been visited.
  • Step 6: Realize that sorting the entire graph is not a necessary step in this process.
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