—— 请按键盘 空白键 开始游戏 ——

The rules of art are not arbitrary; they are founded in reason and in the nature of things.
The time at our disposal each day is elastic; the passions we feel dilate it, those we inspire contract it; and habit fills up what remains.
在算法的领域中,效率不仅仅是一个目标;它是一种必需。
Writing is about making sentences. It is about the rhythm of the sentence, the music of the sentence.
Model checking is a powerful tool for verifying the correctness of hardware and software systems.