技術書典7 ふりかえり - ORの誘惑を振り切れ！

Transcript

1. ORͷ༠࿭ΛৼΓ੾Εʂ ٕज़ॻయ7 ;Γ͔͑Γ ΍·͍΋

2. ٕज़ॻయ7 ;Γ͔͑Γ ࣥචͷςʔϚબͼ ▸ ΞϨ΋ίϨ΋ॻ͖͍ͨʂ ▸ ͜Ε΋આ໌͠ͱ͔ͳ͍ͱμϝ͡Όͳ͍͔ͳɾɾɾ ▸ ް͞͸ਖ਼ٛʂʂʂ ▸

   ɾɾɾͬͯͳΓ΍͍͚͢Ͳʮμϝɺઈରʯ ▸ORͷ༠࿭ΛৼΓ੾Εʂ

3. ٕज़ॻయ7 ;Γ͔͑Γ ʰMATH POKER GIRLʱͷ৔߹ ▸ ϙʔΧʔΛ਺ֶతʹ෼ੳ ▸ ϙʔΧʔ޷͖ʹ΋਺ֶ޷͖ʹ΋ಡ·Ε͍ͨɾɾɾ
 ʢʹORΛظ଴ʣ

   ▸ ϧʔϧઆ໌͔Β։࢝ ▸ ਺ֶ΋جຊత ▸ 172PʢදࢴࠐΈʣ

4. ٕज़ॻయ7 ;Γ͔͑Γ ʰMATH POKER GIRLʱͷ৔߹ ▸ ࣮ࡍʹ͸ϙʔΧʔ޷͖͔ͭ਺ֶ޷͖ͷਓ͔͠खʹऔΒͳ͍
 ʢ=ANDʹͳΔʣ ▸ ORΛૂ͏ͱࢢ৔͕


   খ͘͞ͳΔ ▸ ORͷͨΊͷઆ໌͸৑௕

5. ٕज़ॻయ7 ;Γ͔͑Γ Ұ఺ಥഁʂ ▸ ςʔϚ͸1ͭʹߜΔ ▸ ΞϨ΋ίϨ΋ͱ͢Δͱλʔήοτ͸ٯʹڱ·Δ ▸ ඞཁͳΒ2࡭ʹ෼͚Δ →

   ಡऀ͕બ୒Մೳ ▸ ʮബ͞ʯ͸ਖ਼ٛ ▸ ബ͍ຊ͸ؾܰʹಡΊΔ / ް͍ຊ͸ؾ߹͕ඞཁ ▸ ͓஋ஈ͓खࠒɺ෺ཧతʹ΋͍ܰ

6. ͓·͚ ʰMATH POKER GIRLʱએ఻

7. ʰMATH POKER GIRLʱએ఻ ςΩαεɾϗʔϧσϜ ▸ 2ຕͷखࡳͱ5ຕͷڞ༗Χʔυͷ߹ܭ7ຕ͔Β5ຕΛ࢖ͬͯ
 ໾Λ࡞Δ ▸ ڧ͍खࡳͱऑ͍खࡳ͕͋Δ ▸

   ڧ͍खࡳͰ͚ͩࢀՃ͢Ε͹উ཰্͕ͬͯṶ͔Δ ▸ ૬ख͕ࢀՃͨ͠ → ͖ͬͱڧ͍खࡳ → ಡΈ߹͍/ὃ͠߹͍ ▸ ͨʔͷ͠ʔʂ

8. ʰMATH POKER GIRLʱએ఻ ςΩαεɾϗʔϧσϜ ▸ 2ຕͷखࡳͱ5ຕͷڞ༗Χʔυͷ߹ܭ7ຕ͔Β5ຕΛ࢖ͬͯ
 ໾Λ࡞Δ ▸ ڧ͍खࡳͱऑ͍खࡳ͕͋Δ ▸

   ڧ͍खࡳͰ͚ͩࢀՃ͢Ε͹উ཰্͕ͬͯṶ͔Δ ▸ ૬ख͕ࢀՃͨ͠ → ͖ͬͱڧ͍खࡳ → ಡΈ߹͍/ὃ͠߹͍ ▸ ͨʔͷ͠ʔʂ ϗϯτʹʁʁʁ

9. ʰMATH POKER GIRLʱએ఻ Χʔυότϧʢೋਓઓʣ ▸ 1ʙ10ͷ਺ࣈ͕ॻ͔ΕͨΧʔυ͕1ຕͣͭ͋Δ ▸ ࢀՃඅ͸1000ԁͰɺΧʔυ͕1ຕͣͭ഑ΒΕΔ ▸ ࣗ෼ͷखࡳΛ֬ೝ͠উෛʹ࢒ΔͳΒ௥ՃͰ1000ԁ෷͏

   ▸ Ұਓ͔͠࢒Βͳ͔ͬͨΒ࢒ͬͨਓͷউͪ ▸ ೋਓͱ΋࢒ͬͨΒ਺ࣈͷେ͖͔ͬͨํ͕উͪ ▸ উऀ͸෷ΘΕͨࢀՃඅΛશ෦΋Β͑Δ

10. ʰMATH POKER GIRLʱએ఻ QUESTION.1 ▸ ૬ख͸ৗʹউෛʹ࢒͍ͬͯΔɾɾɾ ▸ खࡳ͕6Ҏ্ͷͱ͖͚ͩࢀՃ͢Ε͹ΑΓṶ͔ΔͷͰ͸ʁ ▸ ΑΓṶ͔Δ

    ▸ ΄ͱΜͲมΘΒͳ͍ ▸ ଛ͢Δ

11. ʰMATH POKER GIRLʱએ఻ QUESTION.2 ▸ ૬ख͸ৗʹউෛʹ࢒͍ͬͯΔɾɾɾ ▸ खࡳ͕8Ҏ্ͷͱ͖͚ͩࢀՃ͢Ε͹ΑΓṶ͔ΔͷͰ͸ʁ ▸ ΑΓṶ͔Δ

    ▸ ΄ͱΜͲมΘΒͳ͍ ▸ ଛ͢Δ

12. ʰMATH POKER GIRLʱએ఻ QUESTION.3 ▸ ૬ख͸ৗʹউෛʹ࢒͍ͬͯΔɾɾɾ ▸ खࡳ͕4Ҏ্ͷͱ͖͚ͩࢀՃ͢Ε͹ΑΓṶ͔ΔͷͰ͸ʁ ▸ ΑΓṶ͔Δ

    ▸ ΄ͱΜͲมΘΒͳ͍ ▸ ଛ͢Δ

13. ʰMATH POKER GIRLʱએ఻ ANSWER ▸ 6Ҏ্: ΄ͱΜͲมΘΒͳ͍ʢ+55.6ԁʣ ▸ 8Ҏ্: ଛ͢Δʢ-233.3ԁʣ

    ▸ 4Ҏ্: ΑΓṶ͔Δʢ+166.7ԁʣ ▸ ʢࢀߟʣ ▸ 3Ҏ্: +155.6ԁɺ2Ҏ্: +100ԁɺ1Ҏ্: +0ԁ

14. ʰMATH POKER GIRLʱએ఻ ͳͥʁ ▸ উ཰ʹ͸ೋछྨ͋Δ ▸ ࢀՃ͢ΔखࡳΛߜΔͱϋϯυউ཰͸্͕Δ ▸ ࢀՃ͢ΔखࡳΛߜΔͱήʔϜউ཰͸Լ͕Δ

    ▸ ϋϯυউ཰͚ͩݟͯͯ΋μϝ ▸ ϋϯυউ཰/ήʔϜউ཰͸ࣗ෼ͷ଄ޠ ▸ աڈʹ͜͏͍ͬͨݚڀ͕ͳ͍ʢ͸ͣʣ

15. ʰMATH POKER GIRLʱએ఻ ΑΓৄ͘͠… ▸ ʰMath Poker Girlʱʹͯ ▸ BOOTHͰ΋ൢചத

    ▸ https://imoarai.booth.pm/items/1558949 ॻ੶+ిࢠ ▸ https://imoarai.booth.pm/items/1558968 ిࢠONLY