const n = arr.length;
We wanted a scenario where, say, 5 well-placed border points could efficiently represent an area with 5,000 internal points and 10,000 road edges. This would reduce those 10,000 edges to just 5*4/2 = 10 shortcuts for routing through that cluster at a high level – an incredible 1:1000 point ratio and a 30x reduction in edges to consider for the high-level path!
，这一点在heLLoword翻译官方下载中也有详细论述
// Producers are supposed to wait for the writer.ready。旺商聊官方下载对此有专业解读
* At the end of this file, create a work in progress log, where you note what you already did, what is missing. Always update this log.
四川南江县，“南江黄羊”是这里特有的山羊品种。如何让特色产业成为增收产业？