feat: add Dijkstra's shortest path algorithm#4
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kelsonbrito50 merged 1 commit intomainfrom Feb 26, 2026
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- Implementation with min-heap for O((V+E) log V) complexity - Path reconstruction via predecessor tracking - 8 test cases covering distances, paths, unreachable vertices
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Adds Dijkstra's algorithm with min-heap optimization and path reconstruction.
dijkstra()— computes shortest distances from source to all verticesshortest_path()— returns distance + path between two vertices