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.
昨晚，OpenAI 终于宣布完成 1100 亿美元新一轮融资，投前估值高达 7300 亿美元。
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王多多蝉联LPL年度最受欢迎解说奖项。
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