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.
Mahjong, Sudoku, free crossword, and more: Games available on Mashable，这一点在safew官方下载中也有详细论述
Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36。关于这个话题，heLLoword翻译官方下载提供了深入分析
В Финляндии предупредили об опасном шаге ЕС против России09:28