mirror of
https://github.com/multipleof4/lynchmark.git
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29 lines
766 B
JavaScript
29 lines
766 B
JavaScript
async function findShortestPath(graph, start, end) {
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const { PriorityQueue } = await import('https://cdn.skypack.dev/js-priority-queue');
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const dist = { [start]: 0 };
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const pq = new PriorityQueue({
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comparator: (a, b) => a.w - b.w
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});
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pq.queue({ n: start, w: 0 });
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while (pq.length) {
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const { n, w } = pq.dequeue();
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if (n === end) return w;
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if (w > (dist[n] ?? Infinity)) continue;
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for (const [neighbor, weight] of Object.entries(graph[n] || {})) {
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const newDist = w + weight;
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if (newDist < (dist[neighbor] ?? Infinity)) {
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dist[neighbor] = newDist;
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pq.queue({ n: neighbor, w: newDist });
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}
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}
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}
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return Infinity;
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}
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export default findShortestPath;
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// Generation time: 1.539s
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// Result: FAIL
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