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The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.
爱是唯一的现实,它不仅仅是情感,它是终极真理。
"The challenge in theoretical computer science is not just to solve problems, but to understand why they are hard to solve."
做出伟大工作的唯一方法就是热爱你所做的事情。