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lynchmark/tests/1_dijkstra/outputs/openai_gpt-5.1-codex.js
2025-11-14 03:31:28 +00:00

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633 B
JavaScript

const findShortestPath=async(g,s,t)=>{
if(s===t)return 0
const{default:PriorityQueue}=await import('https://cdn.skypack.dev/js-priority-queue')
if(!g[s]||!g[t])return Infinity
const seen=new Map([[s,0]])
const pq=new PriorityQueue({comparator:(a,b)=>a[1]-b[1]})
pq.queue([s,0])
while(pq.length){
const[n,d]=pq.dequeue()
if(d>(seen.get(n)??Infinity))continue
if(n===t)return d
const nbrs=g[n]||{}
for(const k in nbrs){
const nd=d+nbrs[k]
if(nd<(seen.get(k)??Infinity)){
seen.set(k,nd)
pq.queue([k,nd])
}
}
}
return Infinity
}
export default findShortestPath;