The algorithm also visits children in order of distance to the query point. This means it checks the most promising quadrants first, which tends to find a good candidate early and enables aggressive pruning of the remaining quadrants. Without this ordering, the algorithm would still produce the correct result, but it would prune fewer nodes.
Why hide such a handsome piece of handiwork?
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Дональд Трамп. Фото: Jen Golbeck / Keystone Press Agency / Global Look Press，更多细节参见旺商聊官方下载
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