Point lookups are useful, but the operation you'll reach for more often is a range query: give the tree a rectangular region and retrieve every point inside it, without scanning the entire dataset.
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В Санкт-Петербурге из земли внезапно забил фонтан из-за аварии. Внимание на это обратил Telegram-канал «Фонтанка SPB Online».
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