ୈ1ճڝٕϓϩάϥϛϯάνʔϜC++ߨशձ
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C++ߨशձͷఔ ༰ උߟ04/26 հ&ೖग़ྗ05/03 ٳΈ ݑ๏ه೦05/10ೖग़ྗͷ෮शม,ԋࢉࢠ05/17 ifͱfor PROGςετղઆ05/24 ٳΈ(༧ఆ) PROGςετղઆ05/31ifͱforͷ෮शvector06/07 set,map ୈ5ԋशࣨ06/14 STLͷؔ06/21 ෮शίϯςετ06/28 ະఆ07/05 ະఆ07/12 ະఆ07/19 ະఆ 1
C++ߨशձͷ༰• جຊతʹਫ༵3ݶதʹऴΘΒͤΔ• 10෮श• 40࠲ֶ• 30ϛχίϯςετ• εϥΠυࢿྉωοτʹެ։͍ͯ͠·͢• https://goo.gl/F0tgM5• ཁ େֶΞΧϯτ• Θ͔Βͳ͍͜ͱ͕͋ͬͨΒͲΜͲΜ࣭ͯ͠Ͷ2
લճͷ෮श• AtCoderͱ͍͏αΠτʹొΛͨ͠• https://atcoder.jp• ιʔείʔυͷఏग़ํ๏ͷ࿅शΛͨ͠3ਖ਼ղෆਖ਼ղ
લճͷ෮श• λʔϛφϧͷ͍ํ4$ mkdir kyopro$ cd kyopro$ mkdir lec01$ cd lec01$ code .ίϚϯυ໊ ҙຯmkdir make directoryσΟϨΫτϦ(ϑΥϧμ)Λ৽ن࡞͢Δcd change directoryݱࡏ͍ΔσΟϨΫτϦΛมߋ͢ΔcodeVisual Studio Code Λىಈ͢Δ
લճͷ෮श• Visual Studio Codeͷ͍ํ• දࣔ(V) → ૯߹λʔϛφϧΛબ͢Δ• ίϯύΠϧ&ϓϩάϥϜͷ࣮ߦํ๏5$ g++ -std=c++14 test.cpp$./a.outtest.cpp దٓࢦఆ͢ΔϑΝΠϧΛม͑Δ
ࠓճͷ༰• ϓϩάϥϜͷجຊ• ೖग़ྗ• cout• cin• มͷ֓೦• ԋࢉࢠ6
ϓϩάϥϜͷجຊ7͜ͷ2ߦ͍ͭॻ͘
ೖग़ྗ• ը໘ʹจࣈΛग़ྗ͢Δ• cout Λ͏8
มͷ֓೦• มͱ• ΛهԱ͢ΔೖΕ• هԱ͢Δ͚ͩͰͳ͘͠ࢉͱ͔ͷԋࢉ͕ग़དྷΔ9// a ͱ͍͏໊લͷೖΕʹ 10ͱ͍͏σʔλΛهԱ͢Δint a = 10;// ࣮ࡍʹग़ྗ͢Δcout << a << endl;
มͷ֓೦• มͱ• ΛهԱ͢ΔೖΕ• هԱ͢Δ͚ͩͰͳ͘͠ࢉͱ͔ͷԋࢉ͕ग़དྷΔ10// a ʹ 10, b ʹ 20ΛهԱ͢Δint a = 10;int b = 20;// c ʹ a ͱ b Λͨ݁͠ՌΛهԱ͢Δint c = a + b;// 30 ͱग़ྗ͞ΕΔcout << c << endl;
มͷ֓೦• มͷܕ• ܕʹΑͬͯهԱग़དྷΔσʔλͷछྨ͕ҟͳΔ11ܕ໊int ܕ 1, 10, 20string จࣈྻܕ ”hello world”double ࣮ܕ 3.14bool ཧܕ true, false// ܕ໊ ม໊ = ; ͱॻ͘int a = 10;
ೖྗ12int a = 10;cout << a << endl;10 Ҏ֎ͷΛग़ྗ͢ΔʹϓϩάϥϜΛॻ͖͑Δඞཁ͕͋ΔΩʔϘʔυ͔Βೖྗint a;cin >> a;cout << a << endl;
ԋࢉࢠ• ͠ࢉҎ֎ʹԋࢉࢠ͕༻ҙ͞Ε͍ͯΔ• ͦͷҰ෦• Ұཡ http://www.c-lang.org/operator.html13༏ઌ ه߸ ҙຯ5 * ࢉ5 / আࢉ5 % ༨ࢉ6 + Մࢉ6 - ݮࢉ
ྫ• AtCoderͷABC004Λղ͍ͯΈ·͠ΐ͏• http://abc004.contest.atcoder.jp/tasks/abc004_114
ϛχίϯςετ• AtCoder Virtual Contest ͱ͍͏αΠτ• https://not-522.appspot.com• ͜ͷαΠτʹొ͢Δඞཁ͕͋Γ• https://not-522.appspot.com/contest/565237302008217615
·ͱΊ• ը໘ͷग़ྗʹcout Λ͏• มͱΛهԱ͢ΔೖΕ• มʹରͯ͠͠ࢉͳͲ͕ग़དྷΔ• ΩʔϘʔυ͔ΒͷೖྗʹcinΛ͏• ͠ࢉҎ֎ʹ৭Μͳԋࢉࢠ͕͋Δ16