# Programming Pearls的笔记(7)

## 按有用程度按页码先后最新笔记

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Rule of thumb “π seconds is a nanocentury.” so 1 year == 3e7 seconds

2017-01-08 22:50

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Rule of 72 :â€œAssume that you invest a sum of money for y years at an interest rate of r percent per year. â€?

2017-01-08 22:48

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Problem 5.8.5: partial checking the sorted. https://github.com/filipegoncalves/codinghighway/tree/master/ProgrammingPearls/Column5/5.8.5

2017-01-08 22:42

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Problem 4.6.5 3x + 1 or x/2 这道题怎么做

2017-01-08 22:35

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Form letter generator. 用数字来代替变量名，实际上是降低了可读性的。

2017-01-08 22:27

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Problem 2.7 Matrix Transpose 这个应该怎么做。

2017-01-08 22:17

• ### 展开 收起 Column 1: Cracking the Oyster

##Problem Statement - **input:** A file containing at most *n* positive integers, each less than *n*, where *n = 10^7*. It is a fatal error if any integer occurs twice in the input. No other data is associated with the integer - **Output:** A sorted list in increasing order of the input integers - **Constraints:** At most a megabyte of storage is available in main memory; ample disk storage is ava...

2015-02-03 09:59