Let's starting doing puzzles! Oh, wait, in many computer languages, we don't start with 1, do we?
让我们开始解谜吧!哎,等下,在很多编程语言中,我们并不是从1开始的吧。
Add this webpage to your favorites to save your progress. 添加到收藏夹来保存你的游戏进度。