—— 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.
解释:狐狸疑心大,刚埋下东西,旋即又把它挖出来。
I believe that we are lost here in America, but I believe we shall be found.
我们现代的头骨里装着一个石器时代的心智。
The art of filmmaking is about finding the balance between control and spontaneity.
What we gain by experience is more real and more solid than what we gain by reasoning.