The P versus NP problem is to determine whether every language accepted by some nondeterministic algorithm in polynomial time is also accepted by some (deterministic) algorithm in polynomial time.
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To define the problem precisely it is necessary to give a formal model of a computer.
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未解決問題 computer model in computability theory is the Turing machine, introduced by Alan Turing in 1936 [Tur36]. Although the model was introduced before physical computers were built, it nevertheless continues to be accepted as the proper computer model for the purpose of defining the notion of computable function.
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死アンナ
Anne : I'm glad to hear that. In our country, you can take a dog on a bus, too, but on trains and buses, you must keep your dog on a lead. Junko : I see. Well, that dog over there is calm beside its owner. Probably the owner trained her dog very well. Anne : (C) Owners usually train their dogs well. Dogs are very popular among people in Britain. We often say, "A dog is our best (D) and we're their best friend. Junko : That's interesting
336: リンク:12/03/31 15:13 ID:S8A
おい 331は誰だ。 コピーのやり方知らん つまり、論文記憶して書いただけ
喧嘩するならローソン来いよ 潰してやる
337: リンク:12/03/31 15:14 ID:S8A
1 現在完了…基準が「現在」have + p.p. @経験 今までに〜したことがある。ever, never, once, twice, 〜times A継続 今までずっと〜 since, for B完了、結果 今〜したところ。〜してしまった already, yet, just