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.
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The announcements come shortly after a new class-action lawsuit was filed against Bumble over the January data breach. It's also after Bumble announced it's sunsetting the Opening Moves feature in Mexico and Australia. Opening Moves is a feature meant to move Bumble away from its "women making the first move" ethos by allowing men to message women first.
竹炭的加入，不仅补齐了团队的技术短板，也给缺乏互联网工作经验的波波带来了规范化的工作方式，从部门协作到需求文档，竹炭手把手地教，帮她搭建起互联网公司工作流程。
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