February 2017
Intermediate to advanced
368 pages
8h 21m
Japanese
Content preview from Optimized C++ ―最適化、高速化のためのプログラミングテクニック
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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.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.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.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.
96
5 章 アルゴリズムを最適化する
較できる。ハッシュが異なれば、入力は等しくない。ハッシュが同じ場合だけ、入力をバイト
単位で比較すればよい。
5.6
まとめ
•
定数時間アルゴリズムを売り込む見知らぬ人には気を付けたほうが良い。
O(n)
の可能性があ
る。
•
複数の効率的アルゴリズムを組み合わせることにより、全体の実行時間が
O(n
2
)
かそれより
悪くなることがある。
• O(log
2
n)
の二分探索は最高速の探索ではない。内挿探索は
O(log log n)
で、ハッシングは定
数時間となる。
•
データ
3
個以下の小さな表では、すべての探索アルゴリズムがほぼ同じ回数データを調べる。
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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.