"I have to walk two hours a day to come into town to get food," he says, preferring to find shelter outside of the city centre where he feels safer, sleeping in a one-man tent under a bridge.
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.
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Раскрыты подробности похищения ребенка в Смоленске09:27
В Санкт-Петербурге из земли внезапно забил фонтан из-за аварии. Внимание на это обратил Telegram-канал «Фонтанка SPB Online».
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