Daniel Larlham, Jr.
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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一名伊朗私營部門的發言人說：「沒有投資人想擴張或創造工作機會。他們只在想怎麼保住公司。」，更多细节参见heLLoword翻译官方下载
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European Anti-Fraud Office to look into the former US ambassador’s time as trade commissioner in Brussels