generate images that are not entirely original and could be influenced by
// 步骤3：计算初始无序区间[left, right]的最大值和最小值
。关于这个话题，爱思助手下载最新版本提供了深入分析
A. Preprocessing (Done by OsmAnd when new maps are prepared):
Josh Feldberg, who lives in London, started using Reddit about 14 years ago. "I started using it because I have ADHD - I didn't get a proper diagnosis for years - and then a friend said they sometimes share resources on there."