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2019/11/15
プログラムを考えるトレーニング
課題
1
1~100までの数字で、
3で割り切れれば、「Fizz!」を表示する
5で割り切れれば、「Buzz!」を表示する
3と5で割り切れれば、「Fizz Buzz!」を表示する
上記以外の場合は、そのままの数字を表示す
る
のプログラムを書くのが課題
課題
2
1~100までの数字で、
3で割り切れれば、「Fizz!」を表示する
5で割り切れれば、「Buzz!」を表示する
3と5で割り切れれば、「Fizz Buzz!」を表示する
上記以外の場合は、そのままの数字を表示す
る
そのまえに
どうすればできるか考える
課題
3
1~100までの数字で、
3で割り切れれば、「Fizz!」を表示する
5で割り切れれば、「Buzz!」を表示する
3と5で割り切れれば、「Fizz Buzz!」を表示する
上記以外の場合は、そのままの数字を表示す
る
①1~100まで→繰り返し文が使う
①
課題
4
1~100までの数字で、
3で割り切れれば、「Fizz!」を表示する
5で割り切れれば、「Buzz!」を表示する
3と5で割り切れれば、「Fizz Buzz!」を表示する
上記以外の場合は、そのままの数字を表示す
る
①1~100まで→繰り返し文が使う
②割り切れる→余りが0→□を使う
※□に何が入るでしょう?
②
課題
5
1~100までの数字で、
3で割り切れれば、「Fizz!」を表示する
5で割り切れれば、「Buzz!」を表示する
3と5で割り切れれば、「Fizz Buzz!」を表示する
上記以外の場合は、そのままの数字を表示す
る
①1~100まで→繰り返し文が使う
②割り切れる→余りが0→□を使う
※□に何が入るでしょう?
③複数の条件がある→条件分岐を使う
課題
6
1~100までの数字で、
3で割り切れれば、「Fizz!」を表示する
5で割り切れれば、「Buzz!」を表示する
3と5で割り切れれば、「Fizz Buzz!」を表示する
上記以外の場合は、そのままの数字を表示す
る
①1~100まで→繰り返し文が使う
②割り切れる→余りが0→□を使う
③複数の条件がある→条件分岐を使う
コツ→一度に全部は書かない
(3のときだけ・それ以外などと分割して
書いて後からプログラム同士を合体)
課題
7
!注意!
FizzBuzz問題は有名なので
答えはたくさんあります
コピペするのもよしですが
必ずどう動くのか理解して書くこと
資料
8
9
資料
10
資料

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Programming school 06

Editor's Notes

  1. *日付は自動のため,変更の必要はありません.