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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.
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if (n < 50) {
当下，品牌衰退与崛起正在周期穿越中并发，功能主义叠加情绪疗愈，科技与美学成为品牌构筑新竞争力的核心锚点。科技具象为材料原料黑科技、运营数智科技；美学具象为千年文化种子的苏醒拔蕊、新世代情绪诉求的觉醒悦己。