February 2023
Intermediate
256 pages
5h 50m
Japanese
Content preview from アルゴリズム図鑑 増補改訂版 絵で見てわかる33のアルゴリズム
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No.
7-5
ハフマン符号での符号化を見ていきましょう。ハフマン符号は「一意復号可能」な「瞬時符号」
です。各文字の出現比率を計算し、木構造を作っていきます。
A
B
C
D
50%
25%
12.5%
12.5%
A
B
C
D
50%
25%
or
25%
にのいに文字
2
つ探
の合は「
C
」
12.5
と「
D
」
12.5
にり
2
つの文字線木構造
り
2
つの文字「
C or D
」とて合さ
合「
C or D
」
1
つの文字
とじり
01
02 03
A
B
C
D
50%
25%
12.5%
12.5%
めに文字の計算
はの
計データ
計算は
A
D
の
4
文
字は図のに
ていと定
A
B
C
D
50%
25%
or
25%
A
B
C
D
50%
50%
or
or
「
A
」「
B
」「
C or D
」の
3
つ り の い
に文字
2
つ探の合は「
B
」
25%
と「
C or D
」
25%
にり
2
つの文字線木構造り
2
つ
の文字「
B or C or D
」とて合さ
合 ...
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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.