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lynchmark/tests/1_dijkstra/outputs/openai_gpt-5.1-codex.js
2025-11-18 17:37:06 +00:00

27 lines
662 B
JavaScript

const src='https://esm.sh/js-priority-queue@1'
let load
const getPQ=()=>load||(load=import(src).then(m=>m.default))
const findShortestPath=async(g,s,e)=>{
const PQ=await getPQ()
const pq=new PQ({comparator:(a,b)=>a[0]-b[0]})
const dist=new Map([[s,0]])
const done=new Set
pq.queue([0,s])
while(pq.length){
const [d,n]=pq.dequeue()
if(done.has(n))continue
done.add(n)
if(n===e)return d
const edges=g[n]
if(!edges)continue
for(const k in edges){
const w=d+edges[k]
if(w<(dist.get(k)??Infinity)){
dist.set(k,w)
pq.queue([w,k])
}
}
}
return Infinity
}
export default findShortestPath;