For well-distributed points, nearest neighbor search is often near O(logn)O(\log n)O(logn) in practice. In the worst case (all points clustered tightly or along a line), it can degrade to O(n)O(n)O(n), but this is uncommon with typical spatial data.
若猜测为真,这艘曾经承载中国邮轮自主运营希望的船,最终还是选择“归队”欧洲。
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MaryLou CostaBusiness reporter
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