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量子電腦 - 中研院物理研究所

量子電腦 - 中研院物理研究所

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Complexity( 複 雜 度 )<br />

N= (# bits to describe the problem,<br />

size of the problem)<br />

(#steps to solve the problem) = Pol(N)<br />

“P(polynomial; 多 項 式 的 )”<br />

: Tractable( 易 處 理 的 ), easy<br />

(#steps to verify the solution) = Pol(N)<br />

“NP (nondeterministic polynomial; 非 確 定 性 的 多 項 式 時 間 )”<br />

: Intractable<br />

NP<br />

P<br />

“Intractable”<br />

Factoring large integers?

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