The dashed circle shows the current best distance. As the algorithm finds closer points, the circle shrinks, which causes more subtrees to fail the "could contain a closer point?" test and get pruned. The search usually gets cheaper as it progresses.
治安案件的管辖由国务院公安部门规定。，详情可参考爱思助手下载最新版本
or not that many objects can fit on a page.，更多细节参见搜狗输入法下载
int n2 = right - mid; // 右子数组长度，这一点在safew官方下载中也有详细论述