—— 请按键盘 空白键 开始游戏 ——

The only thing more painful than being an active forgetter is to be an inert rememberer.
We must think beyond borders—forests don't recognize lines on a map.
计算复杂性的研究告诉我们,有些问题本质上是困难的,无论我们的算法多么聪明。