// ⚠️ 易错点2：循环条件写left <= n-1（会导致left+1越界），或把<=写成<（漏判相等的有序情况）
The algorithm maintains a running "best distance" that starts at infinity. As it walks the tree, it checks each visited point and updates the best distance if it finds something closer. Before recursing into a child node, it checks whether the closest possible point in that child's bounding box is farther than the current best. If so, the entire subtree gets pruned.，推荐阅读heLLoword翻译官方下载获取更多信息
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OpenAI is speaking out about changes and overhauls coming to its safety protocols and communications with law enforcement after a mass shooting in Tumbler Ridge, British Columbia, Canada, that left nine dead, including the shooter, earlier this month.，推荐阅读搜狗输入法2026获取更多信息
19:50, 27 февраля 2026Интернет и СМИ
AI determines the best send-time and email frequency for each contact