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import { Heap } from "../deps.ts";
export default function getOrder(tasks: number[][]): number[] { const tasks_indexed: TaskIndexed[] = tasks.map( ([enqueueTime, processingTime], index) => ({ index, processingTime, enqueueTime, }), );
tasks_indexed.sort((a, b) => -a.enqueueTime + b.enqueueTime);
//console.log(tasks_indexed) const ans: number[] = []; const pq = new Heap<TaskIndexed>((a, b) => a.processingTime === b.processingTime ? +a.index - b.index : +a.processingTime - b.processingTime );
let time = 0;
while (tasks_indexed.length || pq.size()) { // console.log(time) if (pq.isEmpty()) { time = Math.max( time, tasks_indexed[tasks_indexed.length - 1].enqueueTime, ); }
let last = tasks_indexed[tasks_indexed.length - 1];
while (last && last.enqueueTime <= time) { tasks_indexed.pop(); pq.insert(last); last = tasks_indexed[tasks_indexed.length - 1]; }
//console.log("last",last,"time",time,tasks_indexed,pq.toArray())
//}
if (pq.size()) { // console.log("time",time,pq.toArray()) const { index, processingTime } = pq.top(); pq.pop();
time += processingTime; ans.push(index); } }
return ans;}
type TaskIndexed = { index: number; processingTime: number; enqueueTime: number;};