What is the main difference between Dijkstra's algorithm and the Bellman-Ford al

Practice Questions

Q1
What is the main difference between Dijkstra's algorithm and the Bellman-Ford algorithm?
  1. Dijkstra's algorithm is faster for all graphs
  2. Bellman-Ford can handle negative weights, Dijkstra's cannot
  3. Dijkstra's algorithm is only for directed graphs
  4. Bellman-Ford is more complex to implement

Questions & Step-by-Step Solutions

What is the main difference between Dijkstra's algorithm and the Bellman-Ford algorithm?
  • Step 1: Understand what Dijkstra's algorithm does. It finds the shortest path from a starting point to all other points in a graph with non-negative weights.
  • Step 2: Understand what the Bellman-Ford algorithm does. It also finds the shortest path from a starting point to all other points but can handle graphs that have edges with negative weights.
  • Step 3: Identify the main difference. Dijkstra's algorithm cannot work with negative weight edges, while Bellman-Ford can.
  • Step 4: Remember that if a graph has negative weight edges, you should use the Bellman-Ford algorithm instead of Dijkstra's.
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