Haskell Quiz/Count and Say

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Categories: Haskell Quiz

Ruby Quiz #138: This quiz involved counting the number of letters in a particular string, and generating a new string that would be the result of saying the results of the count. For instance, if we start with "HASKELL RULES", we get the sequence:

 HASKELL RULES
 ONE A TWO E ONE H ONE K THREE L ONE R TWO S ONE U
 ONE A EIGHT E TWO H ONE K ONE L FIVE N SEVEN O TWO R ONE S THREE T ONE U TWO W

and so on. The object of the quiz is to determine, given an initial string, whether the sequence ever goes into a loop, and if so, how long the cycle length is.

1 The Problem

• http://www.rubyquiz.com/quiz138.html

2 Solutions

• Dan Doel

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