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Wordleを遊んで情報科学を勉強する

meihei
February 18, 2022

 Wordleを遊んで情報科学を勉強する

PR TIMES 社内勉強会 @2022/02/18

- 頻度分析・単一置換暗号の話
- 情報エントロピーの話

meihei

February 18, 2022
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  1. ୯ޠͷީิ w FBSO w FBSMT w FBSOT w FBSOU w

    FBSTU w MFBST w OFBST w TUFBS w UFBST
  2. ୯ޠͷީิ w FBSO w FBSMT w FBSOT w FBSOU w

    FBSTU w MFBST w OFBST w TUFBS w UFBST ˢࠓճ͸͜ΕΛ࠾༻
  3. ୯ޠͷީิʢ̍̕௨Γʣ w BCBTF w DFBTF w DIBTF w MFBTF w

    MFBTI w QIBTF w TDBMF w TIBEF w TIBLF w TIBMF w TIBNF w TIBQF w TIBWF w TMBWF w TOBLF w TQBDF w TQBEF w TVBWF w VTBHF
  4. ස౓෼ੳΑΓJ M O Pؚ͕·ΕΔจࣈ w BCBTF w DFBTF w DIBTF

    w MFBTF w MFBTI w QIBTF w TDBMF w TIBEF w TIBLF w TIBMF w TIBNF w TIBQF w TIBWF w TMBWF w TOBLF w TQBDF w TQBEF w TVBWF w VTBHF
  5. ස౓෼ੳΑΓJ M O Pؚ͕·ΕΔจࣈ w BCBTF w DFBTF w DIBTF

    w MFBTF w MFBTI w QIBTF w TDBMF w TIBEF w TIBLF w TIBMF w TIBNF w TIBQF w TIBWF w TMBWF w TOBLF w TQBDF w TQBEF w TVBWF w VTBHF ˣࠓճ͸͜ΕΛ࠾༻
  6. ߋʹ୯ޠͷީิΛߜΔʢ̕௨Γʣ w TIBEF w TIBLF w TIBNF w TIBQF w

    TIBWF w TOBLF w TQBDF w TQBEF w TVBWF ˣࠓճ͸͜ΕΛ࠾༻
  7. 4,*.1ΛબΜͩ৔߹ w TIBLFɹˠɹ🟩🟨⬜⬜⬜ w TIBNFɹˠɹ🟩⬜⬜⬜⬜ w TIBQFɹˠɹ🟩⬜⬜⬜🟨 w TIBWFɹˠɹ🟩⬜⬜⬜⬜ 🟩⬜⬜⬜⬜

      🟩🟨⬜⬜⬜   🟩⬜⬜⬜🟨  p 2 4 p 1 4 p 1 4 4,*.1  H − 2 4 log2 2 4 − 1 4 log2 1 4 − 1 4 log2 1 4 ≒ 1.5