—— 请按键盘 空白键 开始游戏 ——

一个伟大的摄影师知道何时打破规则以创造非凡的东西。
A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
Your passion should be greater than your fears.
学习一种新编程语言的唯一方法是用它编写程序。