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.
char bucket = h->bucket;
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Visitors can also tour Twig's on-site museum to hear its story first-hand, and watch the handcrafted soda being made.
阿斌提到，女朋友家住在内蒙古某县城，距离自己家的距离差不多在800公里左右。之所以选择自驾回家，阿斌直言，“一方面是觉得距离尚可，在自己可接受的里程之内，另一方面则是第一次去女朋友家过年，带的东西比较多，开车可用空间大一些，更从容一些。”