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Силовые структуры

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Greg Ford, who lives in Buriton, East Hampshire, already separates his food waste for composting.

Notice how the highlighted region shrinks at each step. The algorithm never examines points outside the narrowing window. In a balanced tree with nnn points, this takes about log⁡4(n)\log_4(n)log4​(n) steps. For a million points, that's roughly 10 steps instead of a million comparisons.