This is the same idea behind binary search. In a sorted array, you compare against the middle element and eliminate half the remaining candidates. In a quadtree, you choose one of four quadrants and ignore the other three regions. Each level narrows the search space by a factor of four instead of two.
Фото: Владимир Астапкович / РИА Новости
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This is not the only surprise in this article.
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Украина использовала трубопровод «Дружба» для прокачки своей нефти. Об этом стало известно источникам Reuters.。关于这个话题，heLLoword翻译官方下载提供了深入分析
Investigation under way after vehicle ploughs into building