—— 请按键盘 空白键 开始游戏 ——

It takes a strong man to save himself, and a great man to save another.
The city is a living organism, constantly evolving and adapting to the needs of its inhabitants.
"Life is what happens when you're busy making other plans."
决策的质量不是由结果来衡量,而是由做出决策的过程来衡量。
A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.