December 2016
Intermediate to advanced
440 pages
9h 44m
Japanese
Content preview from アルゴリズムクイックリファレンス 第2版
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4.7
外部ストレージのある整列
■
89
さまざまなサイズのバケツと入力集合に対するハッシュソートの性能を表4-5に
示す。
pivotIndex
の選択に
median-of-three
方式を用いた
クイックソート
の整列時
間を比較のために示す。
表4-5
バケツのさまざまな個数に関するハッシュソートの性能例をクイックソートと比較する（秒）
n バケツ26 個 バケツ676 個 バケツ 17,576 個 クイックソート
16 0.000005 0.000010 0.000120 0.000004
32 0.000006 0.000012 0.000146 0.000005
64 0.000011 0.000016 0.000181 0.000009
128 0.000017 0.000022 0.000228 0.000016
256 0.000033 0.000034 0.000249 0.000033
512 0.000074 0.000061 0.000278 0.000070
1,024 0.000183 0.000113 0.000332 0.000156
2,048 0.000521 0.000228 0.000424 0.000339
4,096 0.0016 0.000478 0.000646 0.000740
8,192 0.0058 0.0011 0.0011 0.0016
16,384 0.0224 0.0026 0.0020
0.0035
32,768 0.0944 0.0069 0.
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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.
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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.