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.
《咬文嚼字》评选年度十大流行语开始于2008年，到现在已经17年。该杂志称，他们始终坚持语言的“社会学价值”及“语言学价值”评价标准。
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