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.
We often compose multiple commands in a pipeline to make the most of our Effect system:
，这一点在同城约会中也有详细论述
曾经被视为第二增长曲线的收购品牌，最终没能成为救星，只是维持着不温不火的状态，在市场上日渐式微。
soup = BeautifulSoup(html, "html.parser")
Мерц резко сменил риторику во время встречи в Китае09:25