February 2019
Intermediate to advanced
332 pages
4h 23m
Japanese
Content preview from Modern C++チャレンジ ―C++17プログラミング力を鍛える100問
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12章ネットワークとサービス
問題
![[Q095]](/api/v2/epubs/urn:orm:book:9784873118697/files/images/Q095.png)
ホストのIPアドレスを調べる
ホストのIPv4アドレスを取得して出力する関数を書きなさい。複数のアドレスが見つかったらすべて出力しなさい。プログラムはあらゆるプラットフォームで動くようにしなさい。
![[Q096]](/api/v2/epubs/urn:orm:book:9784873118697/files/images/Q096.png)
クライアント・サーバFizz-Buzz
Fizz-Buzzゲームをプレイするのに使えるクライアント・サーバアプリケーションを書きなさい。クライアントはサーバに数を送り、サーバはそれに対してゲームのルールに従ってfizz, buzz, fizz-buzzまたは数そのものを返します。クライアントとサーバの間の通信はTCPで行われなければなりません。サーバは永久に実行を続けます。クライアントは、ユーザが1から99の間の数を入力している間は実行を続けます。
Fizz-Buzzは子ども用のゲームで、割り算を教えることを目的としています。1人が数を言うと、相手は次のルールに従って答えます。
- 3で割り切れるならFizz
- 5で割り切れるならBuzz
- 3と5の両方で割り切れるならFizz-Buzz
- それ以外は数そのまま
ビットコインの交換レート
主要通貨（USD、EU、GBPなど）とビットコインの交換レートを表示するプログラムを書きなさい。交換レートは、https://blockchain.info ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.