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qed 䳢 - qed 䳢 ֽ ּ Ʈ - qed 䳢 °



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qed 䳢 ؼ ְ Ʈ ˷帱Կ!
qed 䳢 Ʈ İ ô е ƿ. ָԾ. ͳ ôµ qed 䳢 ã ŵ. ׷ ĥ õ޾Ҿ. ̰ ܿ ְ ϸ鼭. qed 䳢 ִ ̿ ׷ ҹ ñߴµ, 湮غ ˰ڴ. dzϰ ż Ʈ ż ƴ . qed 䳢 ٷ ־ .
ó 𸣴 е ǿܷ ô. ׷ ̷ غ ؿ. qed 䳢 ٸ Ʈ麸 ̰ ξ ٰ ׿. ŷ̿.
ѹ ô ? и Ͻ ſ. qed 䳢 Ʈ õ. ð !

α׷ְ ȭ Ǵ 'qed 䳢' Ư ְ Ž մϴ. ܼ ϳ ̶⺸, ڵ ġ (ڿ) Ҹ, ׸ ̸ ذϴ ǥ Ϳ Ե Դϴ. ۿ ش Ȱ , ׸ ذ ȱ ü Ͽ ظ ڽϴ.

ٽ

  • ǿ : 'qed 䳢' α׷ ߻ϴ ڿ Ҹ Դϴ.
  • ֿ Ư¡: ϰἺ(QED) ҸǴ ڿ() ߴ ٽ Դϴ.
  • : ˰ ȭ ϸ ȿ ֽϴ.

  1. qed 䳢
  2. α׷ м
  3. ʿ ذ
  4. (Q&A)

qed 䳢

ٽ 'QED', 'Quod Erat Demonstrandum' ƾ ۵˴ϴ. ̴ ̳ п ϴ ǥ÷, α׷ֿ Ư ̳ ˰ ǹմϴ. ⿡ ' 䳢' Ұ յǸ鼭 ̾߱ ̷οϴ. (Mana) 簡 Ҹϴ ڿ ϵ, α׷ ϱ ʿ ϴ ɷ̳ ޸, ð մϴ. , (QED) ؼ ׿ ϴ ڿ() ҸǴµ, ȿ ڿ ϸ α׷ ߰ų ȿ ۵ϰ Ǵ Ȳ ' 䳢' ̹ ǥ Դϴ. ̴ ܼ ڵ带 ¥ Ѿ,  ϸ ּ ڿ Ȯ ΰ ֽϴ.

α׷ м

߿ ڿ Ҹ ȮǼ ̿ ã Դϴ. δ ý ֽϴ. Ȯϰ (QED)Ǵ ߱Ѵٴ ġ ׳ Ÿ ߻ Ȯ ̴ ǹմϴ. , (ڿ) ΰǷ ʿ ϴ ȭ ڿ ˴ϴ. ݸ ʱ ̵ ٴ Դϴ. ϰ ϰ ڿ Ҹ Ϸ ӵ , ģ ȭ ڵ ĥ 赵 ֽϴ.  Ʈ ٹ ý ߿䵵  Ⱓ, ׸ ̼ Ͽ ؾ մϴ.

ʿ ذ

׷ٸ ڵ 忡 'qed 䳢'  ? ǥ Լ(Recursive Function) Դϴ. Լ (Base Case) Ȯؾ ϸ, ⼭ 'QED' ȮǼ ǹմϴ. ȣϴٸ α׷ ǰ, ̴ '(ڿ)' Ű ̾ϴ. ̸ ذϱ δ '޸̼(Memoization)' ֽϴ. ̴ ̹ ΰ ٽ ʴ , Ҹ ȹ ٿݴϴ. , ȹ(DP) Ͽ ü ɰ, ϴ ĵ ȿԴϴ. ̷ ȿ ذϰ, ڿ Ҹ ּȭϸ ֽϴ.

(Q&A)

Q: 'qed 䳢' ǥ ڵ ̳?
A: ƴմϴ. ˰ ٷ ڵ ̿ ϰἺ ڿ Ҹ ǥ ϴ ǥԴϴ. ü ϴ ߿մϴ.
Q: ڿ ( ) ϴ ü ?
A: ð ⵵(Big O notation) мϴ Դϴ. ڵ带 ۼϱ Է ũ⿡ ڿ  Ҹ ϰ, ʿ ߺ ϴ 丵 ؾ մϴ.
Q: ϸ  ֳ?
A: Ȯ ڵ ߿ ٸ ڰ о 帧 ľϱ ϴ. , ڿ Ҹ ϰ Ƿ ý ã ȭϱ ξ ϴ.
Ű: ˰ ȭ, Լ , ޸̼ , ڿ , α׷


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