The dashed circle shows the current best distance. As the algorithm finds closer points, the circle shrinks, which causes more subtrees to fail the "could contain a closer point?" test and get pruned. The search usually gets cheaper as it progresses.
This sounds reasonable until you see how easily it goes wrong:
。业内人士推荐heLLoword翻译官方下载作为进阶阅读
俄罗斯、英国、日本、东南亚的客人们，会自带翻译前来了解。
27 February 2026
。Line官方版本下载是该领域的重要参考
How Co-op Live went from falling air con units to hosting the Brits
“不要搞急功近利的政绩工程，多做一些功在当代、利在长远、惠及子孙的事情”；，详情可参考同城约会