多项式时间归约的概念对于理解NP完全问题的结构至关重要。
The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.
今天的挑战就是明天的机遇——前提是我们以正确的心态面对它们。
I am not afraid of death because my art will live forever.
Your time is limited, so don't waste it living someone else's life.