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第1回C++講習会 / intro-to-cpp-01

odanado
PRO
May 10, 2017
140

第1回C++講習会 / intro-to-cpp-01

odanado
PRO

May 10, 2017
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Transcript

  1. ୈ1ճ
    ڝٕϓϩάϥϛϯάνʔϜ
    C++ߨशձ

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  2. C++ߨशձͷ೔ఔ
    ೔෇ ಺༰ උߟ
    04/26 ঺հ&ೖग़ྗ
    05/03 ٳΈ ݑ๏ه೦೔
    05/10
    ೖग़ྗͷ෮श
    ม਺,ԋࢉࢠ
    05/17 ifͱfor PROGςετղઆ
    05/24 ٳΈ(༧ఆ) PROGςετղઆ
    05/31
    ifͱforͷ෮श
    vector
    06/07 set,map ୈ5ԋशࣨ
    06/14 STLͷؔ਺
    06/21 ෮शίϯςετ
    06/28 ະఆ
    07/05 ະఆ
    07/12 ະఆ
    07/19 ະఆ 1

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  3. C++ߨशձͷ಺༰
    • جຊతʹਫ༵3ݶதʹऴΘΒͤΔ
    • 10෼෮श
    • 40෼࠲ֶ
    • 30෼ϛχίϯςετ
    • εϥΠυ΍ࢿྉ͸ωοτʹެ։͍ͯ͠·͢
    • https://goo.gl/F0tgM5
    • ཁ େֶΞΧ΢ϯτ
    • Θ͔Βͳ͍͜ͱ͕͋ͬͨΒ
    ͲΜͲΜ࣭໰ͯ͠Ͷ
    2

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  4. લճͷ෮श
    • AtCoderͱ͍͏αΠτʹొ࿥Λͨ͠
    • https://atcoder.jp
    • ιʔείʔυͷఏग़ํ๏ͷ࿅शΛͨ͠
    3
    ਖ਼ղ
    ෆਖ਼ղ

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  5. લճͷ෮श
    • λʔϛφϧͷ࢖͍ํ
    4
    $ mkdir kyopro
    $ cd kyopro
    $ mkdir lec01
    $ cd lec01
    $ code .
    ίϚϯυ໊ ҙຯ
    mkdir make directory
    σΟϨΫτϦ(ϑΥϧμ)Λ
    ৽ن࡞੒͢Δ
    cd change directory
    ݱࡏ͍ΔσΟϨΫτϦΛ
    มߋ͢Δ
    code
    Visual Studio Code Λ
    ىಈ͢Δ

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  6. લճͷ෮श
    • Visual Studio Codeͷ࢖͍ํ
    • දࣔ(V) → ૯߹λʔϛφϧΛબ୒͢Δ
    • ίϯύΠϧ&ϓϩάϥϜͷ࣮ߦํ๏
    5
    $ g++ -std=c++14 test.cpp
    $./a.out
    test.cpp ͸దٓࢦఆ͢Δ
    ϑΝΠϧΛม͑Δ

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  7. ࠓճͷ಺༰
    • ϓϩάϥϜͷجຊ
    • ೖग़ྗ
    • cout
    • cin
    • ม਺ͷ֓೦
    • ԋࢉࢠ
    6

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  8. ϓϩάϥϜͷجຊ
    7
    ͜ͷ2ߦ͸
    ͍ͭ΋ॻ͘

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  9. ೖग़ྗ
    • ը໘ʹจࣈΛग़ྗ͢Δ
    • cout Λ࢖͏
    8

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  10. ม਺ͷ֓೦
    • ม਺ͱ͸
    • ஋ΛهԱ͢ΔೖΕ෺
    • هԱ͢Δ͚ͩͰͳ͘଍͠ࢉͱ͔ͷԋࢉ͕ग़དྷΔ
    9
    // a ͱ͍͏໊લͷೖΕ෺ʹ 10ͱ͍͏σʔλΛهԱ͢Δ
    int a = 10;
    // ࣮ࡍʹग़ྗ͢Δ
    cout << a << endl;

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  11. ม਺ͷ֓೦
    • ม਺ͱ͸
    • ஋ΛهԱ͢ΔೖΕ෺
    • هԱ͢Δ͚ͩͰͳ͘଍͠ࢉͱ͔ͷԋࢉ͕ग़དྷΔ
    10
    // a ʹ 10, b ʹ 20ΛهԱ͢Δ
    int a = 10;
    int b = 20;
    // c ʹ a ͱ b Λ଍ͨ݁͠ՌΛهԱ͢Δ
    int c = a + b;
    // 30 ͱग़ྗ͞ΕΔ
    cout << c << endl;

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  12. ม਺ͷ֓೦
    • ม਺ͷܕ
    • ܕʹΑͬͯهԱग़དྷΔσʔλͷछྨ͕ҟͳΔ
    11
    ܕ໊
    int ੔਺ܕ 1, 10, 20
    string จࣈྻܕ ”hello world”
    double ࣮਺ܕ 3.14
    bool ࿦ཧܕ true, false
    // ܕ໊ ม਺໊ = ஋; ͱॻ͘
    int a = 10;

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  13. ೖྗ
    12
    int a = 10;
    cout << a << endl;
    10 Ҏ֎ͷ஋Λग़ྗ͢Δʹ͸ϓϩάϥ
    ϜΛॻ͖׵͑Δඞཁ͕͋Δ
    ໰୊఺
    ΩʔϘʔυ͔Βೖྗ
    int a;
    cin >> a;
    cout << a << endl;

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  14. ԋࢉࢠ
    • ଍͠ࢉҎ֎ʹ΋ԋࢉࢠ͕༻ҙ͞Ε͍ͯΔ
    • ͦͷҰ෦
    • Ұཡ http://www.c-lang.org/operator.html
    13
    ༏ઌ౓ ه߸ ҙຯ
    5 * ৐ࢉ
    5 / আࢉ
    5 % ৒༨ࢉ
    6 + Մࢉ
    6 - ݮࢉ

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  15. ྫ୊
    • AtCoderͷABC004Λղ͍ͯΈ·͠ΐ͏
    • http://abc004.contest.atcoder.jp/tasks/abc00
    4_1
    14

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  16. ϛχίϯςετ
    • AtCoder Virtual Contest ͱ͍͏αΠτ
    • https://not-522.appspot.com
    • ͜ͷαΠτʹ΋ొ࿥͢Δඞཁ͕͋Γ
    • https://not-
    522.appspot.com/contest/565237302008
    2176
    15

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  17. ·ͱΊ
    • ը໘΁ͷग़ྗʹ͸cout Λ࢖͏
    • ม਺ͱ͸஋ΛهԱ͢ΔೖΕ෺
    • ม਺ʹରͯ͠଍͠ࢉͳͲ͕ग़དྷΔ
    • ΩʔϘʔυ͔Βͷೖྗʹ͸cinΛ࢖͏
    • ଍͠ࢉҎ֎ʹ΋৭Μͳԋࢉࢠ͕͋Δ
    16

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