The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.
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 artist must be blind to distinctions between 'class' and 'popular'. The artist must love life and show that we can be a mirror to the world and humanity.
宇宙可能从一个非常平滑和均匀的状态开始,然后演变成我们今天看到的复杂和有结构的宇宙。
A statement is a means to convey information, a promise is a means to make a commitment.