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.
Никита Абрамов (Редактор отдела «Россия»)
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Rivas Hernandez, from Lake Elsinore in California, had been missing and was last seen in April 2024, according to a missing person flyer cited by CBS, the BBC's US news partner.
容留他人吸食、注射毒品或者介绍买卖毒品的，处十日以上十五日以下拘留，可以并处三千元以下罚款；情节较轻的，处五日以下拘留或者一千元以下罚款。