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An algorithm is a sequence of well-defined steps that defines an abstract solution to a problem. Use this tag when your issue is related to design and analysis of algorithms.

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Why do we prove X is in NP to prove it is NP-complete?

The steps to show something is NP-complete is to show it is a member of NP, and then show an NP-complete problem reduces to it in polynomial-time. Why is the first step necessary? Is it possible to re …
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