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.
2025年，一位用戶在X（前身為Twitter）上發推文問道：「我想知道OpenAI因為人們向他們的模型說『請』和『謝謝』而損失了多少電費。」 製作ChatGPT的OpenAI首席執行官薩姆·奧特曼（Sam Altman）回應道：「花掉的數千萬美元很值得，」他說，「誰知道呢。」
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