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.
"One time I missed half the warm-up because of the queue to get in," he said.。搜狗输入法2026是该领域的重要参考
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Виктория Кондратьева (Редактор отдела «Мир»)