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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5章日付と時間
問題
![[Q039]](/api/v2/epubs/urn:orm:book:9784873118697/files/images/Q039.png)
実行時間を測定する関数
任意の個数の引数を持つ関数の実行時間を指定された時間単位（秒、ミリ秒、マイクロ秒など）で計測する関数を書きなさい。
![[Q040]](/api/v2/epubs/urn:orm:book:9784873118697/files/images/Q040.png)
2つの日付間の日数
与えられた2つの日付の間の日数を返す関数を書きなさい。関数は、日付の入力順に関係なく求められるようにしなさい。
![[Q041]](/api/v2/epubs/urn:orm:book:9784873118697/files/images/Q041.png)
曜日
与えられた日付の曜日を求める関数を書きなさい。この関数は1（月曜）から7（日曜）の間の値を返します。
![[Q042]](/api/v2/epubs/urn:orm:book:9784873118697/files/images/Q042.png)
年間の日と週
与えられた日付が、1年の何日目か（1から365まで、うるう年は366まで）を返す関数と、同じ入力に対して1年の何週目かを返す関数を書きなさい。
複数のタイムゾーンにおける打ち合わせ時刻
打ち合わせの参加者とそのタイムゾーンのリストが与えられたときに、打ち合わせ時刻を各参加者のローカルタイムで表示する関数を書きなさい。 ...
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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.