—— 请按键盘 空白键 开始游戏 ——

Technology itself is neither good nor evil; the key lies in the people who use it.
Success is not about being the best, it's about being better than yesterday.
Success is a journey, not a destination.
"Silence is not always a sign of wisdom, but babbling is always a sign of folly."
女人用耳朵来恋爱,而男人如果产生了爱情,却是用眼睛来恋爱。
A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.