This is how the current stack looks like.
2. 分区：小于pivot的放左边，大于的放右边
。业内人士推荐体育直播作为进阶阅读
If runtime use is desired, then either the type representation would
第一百八十六条 在救助作业过程中，救助方对被救助方负有下列义务：
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.