Can Dijkstra's Algorithm Handle Negative Weights?
An example of an AI chatbot conversation about Dijkstra's algorithm and negative weights.
Can Dijkstra's algorithm handle negative weights in graphs?
No, Dijkstra's algorithm cannot handle negative weights. It assumes that once a node's shortest path is found, it won't change.
What happens if there are negative weights?
If there are negative weights, Dijkstra's algorithm may produce incorrect results, as it can lead to revisiting nodes.
What algorithm should I use for graphs with negative weights?
You should use the Bellman-Ford algorithm, which can handle negative weights and detect negative cycles.
Are there any limitations to the Bellman-Ford algorithm?
Yes, Bellman-Ford is slower than Dijkstra's algorithm, with a time complexity of O(VE), where V is vertices and E is edges.
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