An oil refinery defined life in this quaint California city. What happens when it’s gone?

· · 来源:dev资讯

Games and physics simulations need to detect which objects are touching or overlapping. With nnn objects, checking every pair is O(n2)O(n^2)O(n2) comparisons, which gets expensive fast. A hundred objects means roughly 5,000 pair checks. A thousand means nearly 500,000.

Фото: Telegram-канал «Александр Хинштейн»

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* @param n 数组长度