Python - Searching and Sorting(Binary search, sort, liner search)

Practical Programming
An Introduction to Computer Science
Using Python 3
(Pragmatic Programmers)
(Pragmatic Bookshelf)
Paul Gries (著) Jennifer Campbell (著)
Jason Montojo (著) Lynn Beighley (編集)

開発環境

• OS X Yosemite - Apple (OS)
• Emacs (CUI)、BBEdit - Bare Bones Software, Inc. (GUI) (Text Editor)
• Python 3.4 (プログラミング言語)

Practical Programming: An Introduction to Computer Science Using Python 3 (Pragmatic Programmers) (Paul Gries (著)、Jennifer Campbell (著)、Jason Montojo (著)、Lynn Beighley (編集)、Pragmatic Bookshelf)のChapter 13(Searching and Sorting)、13.7(Exercises), 3.を解いてみる。

13.7(Exercises), 3.

N log_2 N + k * log_2 N < k * N

N log_2 N < k * N - k * log_2 N

N log_2 N < k * (N - log_2 N)

(N log_2 N) / (N - log_2 N) < k

(2N log_2 N) / N < k

2 * log_2 N < k