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Computer Science  /  CS 0162  ·  Atom · ~20 seconds

The Class NP

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The nondeterministic polynomial class, NP, holds every problem solvable in polynomial time by a nondeterministic algorithm — a machine free to explore all choices at once, succeeding if any path succeeds.

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A puzzle cracked by trying every move simultaneously is the class's thought experiment.

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No such machine exists; the class is definition, not hardware.