As McKenzie speaks about his job, it is a stunning Antarctic summer's day, a balmy -15C. The view outside his window is a vast expanse of white as far as the eye can see, smoothed over by an equally vast layer of pure blue.
For example, a 500km route might be broken down into ~100 such shortcuts. If each A* shortcut calculation explores 100-1000 detailed road segments, the total detailed segments visited by A* might be around 10,000-50,000. Compare this to the 1,000,000+ segments the old A* might have needed for the entire route!
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В России ответили на имитирующие высадку на Украине учения НАТО18:04
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精神重负转化为诗歌，必得经过语言这个熔炉的淬炼。中国文学的前半程，如闻一多所言，从西周到北宋，其实就是一部诗歌史。从《诗经》时代经过汉魏、六朝，再到唐朝，一种充满美感和力量的诗歌修辞已在成群结队的天才们手中锻造成形，并给今天的我们继续带来文化自信。据此，我们完全有理由说，读唐诗，就是回到文学传统。