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.
Next he will compare his findings with an imminent population count of Emperor penguins in the Ross sea region where the birds migrate to and from. That will give more data about the possible numbers of deaths.
，更多细节参见下载安装 谷歌浏览器 开启极速安全的 上网之旅。
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