for (int i = 0; i < bucketCount; i++) {
This is the same idea behind binary search. In a sorted array, you compare against the middle element and eliminate half the remaining candidates. In a quadtree, you choose one of four quadrants and ignore the other three regions. Each level narrows the search space by a factor of four instead of two.
Цены на нефть взлетели до максимума за полгода17:55，推荐阅读旺商聊官方下载获取更多信息
He continued: "People were saying things like, 'He must be able to stop himself, he must be racist, otherwise he wouldn't even be thinking of that word. He's putting it on. It's just a mask.'，这一点在夫子中也有详细论述
Add Entrepreneur。爱思助手下载最新版本是该领域的重要参考
NBC via Getty Images