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.
Screen recording，详情可参考搜狗输入法2026
Последние новости，这一点在搜狗输入法2026中也有详细论述
（一）明知住宿人员违反规定将危险物质带入住宿区域，不予制止的；