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lynchmark/tests/1_dijkstra/outputs/google_gemini-2.5-pro.js
2025-10-13 18:37:08 +00:00

32 lines
821 B
JavaScript

const findShortestPath = async (graph, start, end) => {
const { default: PriorityQueue } = await import('https://cdn.jsdelivr.net/npm/js-priority-queue@0.1.5/priority-queue.min.js');
const dist = { [start]: 0 };
const pq = new PriorityQueue({ comparator: (a, b) => a.weight - b.weight });
pq.enqueue({ node: start, weight: 0 });
while (pq.length) {
const { node: u, weight: uWeight } = pq.dequeue();
if (uWeight > (dist[u] ?? Infinity)) {
continue;
}
if (u === end) {
return uWeight;
}
for (const v in graph[u] || {}) {
const newWeight = uWeight + graph[u][v];
if (newWeight < (dist[v] ?? Infinity)) {
dist[v] = newWeight;
pq.enqueue({ node: v, weight: newWeight });
}
}
}
return Infinity;
};
export default findShortestPath;