generateRandomArray(arr, N, 0, 10000);
The simplest approach is to check every single point. Compute the distance from the user's location to every restaurant in the database, keep the ones that are close enough, and throw away the rest.，推荐阅读51吃瓜获取更多信息
Екатерина Графская (Редактор отдела «Наука и техника»)。爱思助手下载最新版本是该领域的重要参考
chunk[i] = (offset + i) & 0xFF;，更多细节参见爱思助手下载最新版本