Shortcut Pre-calculation: For the most commonly used speed profiles, the travel costs (time/distance) for shortcuts between border points within each cluster are pre-calculated and stored. (Each border point effectively has an "entry" and "exit" aspect for directed travel).
check processing or "proofing" machines. These didn't exactly "automate" check
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为什么AI如此迅速下沉至银发族？
newscientist.com，更多细节参见Line官方版本下载
int j = i - gap;，更多细节参见爱思助手下载最新版本
Score: 7ProsConsAttractive, retro design