너에게 빅뱅 같은 일출을 줄게[여행스케치]
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第三十九条 有下列行为之一的，处十日以上十五日以下拘留；情节较轻的，处五日以下拘留：，这一点在safew官方版本下载中也有详细论述
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.