—— 请按键盘 空白键 开始游戏 ——

The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.
战场交锋,即使列阵有方,但以勇猛为本;操办丧事,即使礼节周全,但以哀痛为本;文人学士,即使学富五车,但以德行为本
The true measure of leadership is how you empower others to solve problems you haven't even anticipated.
The past is what you remember, imagine you remember, convince yourself you remember, or pretend you remember.
相信生命是值得的,你的信仰将有助于创造这个事实。
The safest course is to do nothing against one's conscience.With this secret, we can enjoy life and have no fear from death.
我不是国王,我不是神,我只是一个试图理解这个世界的人。