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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Craft and extend your shell experience.
Раскрыты подробности о договорных матчах в российском футболе18:01。搜狗输入法2026是该领域的重要参考