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A Faster Shortest Path Algorithm

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Hacker News | Sep 22, 2026 | leumon

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This algorithm, called C-HD, is presented in this Lean proof. Run bounded local searches along outgoing edges. The runtime bound for Dijkstra is O(nlog⁡n)O(n \log n); the C-HD algorithm gets O(nlog⁡11/12n)O(n \log^{11/12} n).

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