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.
这牛重得实在费劲，走在前面的人抬着木桩，后面的人就得高举木桩，才能保持牛身平衡。接二连三有人踩滑摔趴在地上，被旁边的人拉起来后，大伙继续齐喊“一二走——一二走——一二走”，山沟里的回声都是铿锵有力的。
。搜狗输入法下载对此有专业解读
Output: their sum as an integer
Season 4, Part 2 sees the Shondaland/Netflix series moving between joy, forbidden love, and tragedy, with soapy fairy tale twists and swoon-worthy romance decked out in the series' signature pop Regency aesthetic. Steamy and sad, the season sees showrunner Jess Brownell lean into considerations of love beyond society's rules, while laying the groundwork for one hell of a Season 5.