定存什么：要下标/距离就栈里存索引，只要值就存值或存索引再 nums[i] 取。
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.
，这一点在雷电模拟器官方版本下载中也有详细论述
Plato (left) imagined humans were once whole, with four arms, four legs and two faces, before Zeus (right) split them, leaving each half searching for its other
Повреждение Ираном одного из американских авианосцев может привести к усилению агрессии США, рассказывает обозреватель издания 19FortyFive Эндрю Лэтэм.
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（三）及时处置有关主管部门通报的利用其服务实施违法犯罪活动的行为。