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lynchmark/tests/1_dijkstra/outputs/anthropic_claude-sonnet-4.5.js
2025-10-13 18:37:08 +00:00

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944 B
JavaScript

const findShortestPath = async (graph, start, end) => {
const { default: PriorityQueue } = await import(
'https://cdn.jsdelivr.net/npm/js-priority-queue@0.1.5/+esm'
);
const distances = Object.keys(graph).reduce((acc, node) => {
acc[node] = node === start ? 0 : Infinity;
return acc;
}, {});
const pq = new PriorityQueue({ comparator: (a, b) => a.dist - b.dist });
const visited = new Set();
pq.queue({ node: start, dist: 0 });
while (pq.length) {
const { node, dist } = pq.dequeue();
if (visited.has(node)) continue;
if (node === end) return dist;
visited.add(node);
for (const [neighbor, weight] of Object.entries(graph[node] || {})) {
const newDist = dist + weight;
if (newDist < distances[neighbor]) {
distances[neighbor] = newDist;
pq.queue({ node: neighbor, dist: newDist });
}
}
}
return distances[end];
};
export default findShortestPath;