A quadtree does the same thing for two-dimensional space. It takes a rectangular region and divides it into four equal quadrants: northwest, northeast, southwest, southeast. If a quadrant has too many points in it, it subdivides again and again. Each subdivision creates smaller and smaller cells where points are densely packed.
Ранее депортируемый из США пассажир симулировал сердечный приступ на борту Delta. Мужчина пытался отсрочить арест на родине.
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