—— 请按键盘 空白键 开始游戏 ——

A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
LISP程序员知道一切的价值,但是却一无所获。
The only way to have a friend is to be one.
"A painting should be a window to another reality."
The best way to find yourself is to lose yourself in the service of others.
We don’t inherit the ocean from our ancestors; we borrow it from our children.
The key to successful data management is understanding the data. If you don't understand your data, you can't manage it effectively.