// 5. 返回当日跨度（而非整个结果数组）
This is a valuable tool when creating new blog posts because it generates catchy headlines for your blog post to catch a reader’s attention.。夫子是该领域的重要参考
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.，这一点在快连下载-Letsvpn下载中也有详细论述
while (stack2.length && stack2.at(-1) <= cur) {。爱思助手下载最新版本是该领域的重要参考