Can I use Dijkstra's algorithm for negative weights?
An example of an AI chatbot conversation about Dijkstra's algorithm and negative weights.
Can I use Dijkstra's algorithm for graphs with negative weights?
No, Dijkstra's algorithm does not work correctly with negative weight edges. It assumes that once a node's shortest path is found, it won't change.
What happens if I try to use it on a graph with negative weights?
If you use Dijkstra's algorithm on a graph with negative weights, it may produce incorrect results, as it can overlook shorter paths.
What algorithm should I use instead?
You should use the Bellman-Ford algorithm, which can handle graphs with negative weight edges and detect negative cycles.
Can Bellman-Ford also find the shortest path?
Yes, the Bellman-Ford algorithm can find the shortest path from a single source to all other vertices, even with negative weights.
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