Relaxation operation vertices and edges of the shortest path

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Relaxation operation vertices and edges of the shortest path

How to calculate the shortest path for a graph with weighted vertices?

Codeforces 25C. Roads in Berland (shortest relaxation operation)

Shortest path SPFA algorithm (solving negative weight edges)

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Single-source shortest path Dijkstra algorithm: can only handle positive edges and can have loops

Floyd algorithm for the shortest path of all nodes: there can be negative weight edges, but no negative weight loops

Bellman-Ford algorithm (shortest path, solving negative weight edges, detecting negative loops) + queue optimization

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Bellman-Ford algorithm of single source shortest path: can handle negative-weight edges and negative-weight loops

Shortest path

shortest path

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Events, Activities, Relaxation Time, Critical Path of PERT Diagram

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