NP完全性的概念为理解计算问题的复杂性提供了一个强大的工具。
The concept of NP-completeness has provided a powerful tool for understanding the complexity of computational problems.
离散数学与计算机科学之间的相互作用一直是创新和发现的沃土。
Hope is a good thing, maybe the best of things, and no good thing ever dies.
Art is not what you see, but what you make others see.