The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.
我们每个人的头脑中都带着一本进化用户手册四处走动,但大多数人没有意识到这一点。
故事不仅仅是一个传说;它是一面反映人类存在复杂性的镜子。
The world is not run from where he thinks. Not from castle walls, but from countinghouses, not by the call of the bugle but by the click of the abacus, not by the grate and click of the broadsword but by the scrape of the pen.