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.
Цены на нефть взлетели до максимума за полгода17:55
，详情可参考heLLoword翻译官方下载
Option 2: For very localized changes, it might even re-evaluate all shortcuts within that one affected cluster.。同城约会对此有专业解读
Александра Качан (Редактор)