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NP中的每个问题都可以归约为可满足性问题,这是计算复杂性理论的基石。
Ignoring isn’t the same as ignorance, you have to work at it.
The psychologist must avoid all forms of mental physics.
大胆梦想,努力工作,保持专注,与优秀的人为伍。
我不想成为英雄。我想成为一个人。
Go for it now. The future is promised to no one.