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。
习惯就是习惯,谁也不能将其一下子扔出窗外,只能一步一步地引下楼。
The beauty of mathematics lies in its ability to reveal the hidden structures of reality.
I don't believe in anything, and that's the only thing I believe in.