if (right - left <= 1) return; // 只有一个元素，无需排序
On your website, answer visitor questions with a clear FAQ section to keep them engaged longer.
，更多细节参见下载安装汽水音乐
Сайт Роскомнадзора атаковали18:00
Add a cluster of points in one corner and watch that corner subdivide deeply while the rest of the space stays untouched. Then scatter a few points across the empty region and watch it split only where needed. The tree grows around the data.
Type classes / traits