# Blog articles/Exercises

### From HaskellWiki

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* [http://realfiction.net/?q=node/123 Decision making] |
* [http://realfiction.net/?q=node/123 Decision making] |
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* [http://byorgey.wordpress.com/2007/06/21/solving-an-arithmetic-puzzle-with-haskell/ Solving an arithmetic puzzle with Haskell] |
* [http://byorgey.wordpress.com/2007/06/21/solving-an-arithmetic-puzzle-with-haskell/ Solving an arithmetic puzzle with Haskell] |
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+ | * [http://byorgey.wordpress.com/2007/08/13/rationals/ The Rationals] |
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+ | * [http://www.perlmonks.org/?node_id=632023 Break a string into pieces] |
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== Particular exercises == |
== Particular exercises == |
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=== Supermarket Pricing === |
=== Supermarket Pricing === |
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* [http://blog.moertel.com/articles/2006/04/28/the-supermarket-pricing-kata-in-haskell The Supermarket Pricing Kata in Haskell] |
* [http://blog.moertel.com/articles/2006/04/28/the-supermarket-pricing-kata-in-haskell The Supermarket Pricing Kata in Haskell] |
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+ | |||

+ | ===Ball Clock Puzzle=== |
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+ | |||

+ | * [http://the-little-haskeller.blogspot.com/2007/11/solve-ball-clock-puzzle-in-python-and.html Solve Ball Clock Puzzle in Python and Haskell] |
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+ | |||

+ | ===N-Queens=== |
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+ | |||

+ | * [http://therning.org/magnus/archives/330 N-Queens in Haskell] |
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=== The Google Code Jam "countPaths" problem === |
=== The Google Code Jam "countPaths" problem === |
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=== Norvig's spell checker === |
=== Norvig's spell checker === |
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* [http://www.serpentine.com/blog/2007/05/14/norvigs-spell-checker-and-idiomatic-haskell/ Norvig's spell checker and idiomatic Haskell] |
* [http://www.serpentine.com/blog/2007/05/14/norvigs-spell-checker-and-idiomatic-haskell/ Norvig's spell checker and idiomatic Haskell] |
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+ | |||

+ | === Chris' Puzzle === |
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+ | *[http://cdsmith.wordpress.com/2007/07/17/a-neat-problem/ A neat game with a really neat solution: puzzle fun in Haskell] |
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+ | |||

+ | === Word numbers === |
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+ | |||

+ | * Solving the word numbers problem: |
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+ | **[http://conway.rutgers.edu/~ccshan/wiki/blog/posts/WordNumbers1/ Part 1: Billion approaches] |
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+ | **[http://conway.rutgers.edu/~ccshan/wiki/blog/posts/WordNumbers2/ Part 2] |
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+ | **[http://conway.rutgers.edu/~ccshan/wiki/blog/posts/WordNumbers3/ Part 3: Binary Search] |
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=== Games === |
=== Games === |
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* [http://www.joachim-breitner.de/blog/archives/152-Hangman-AI-in-haskell.html Hangman AI in Haskell] |
* [http://www.joachim-breitner.de/blog/archives/152-Hangman-AI-in-haskell.html Hangman AI in Haskell] |
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* [http://www.joachim-breitner.de/blog/archives/139-Haskell-as-a-puzzle-Solver.html Haskell as a puzzle solver] |
* [http://www.joachim-breitner.de/blog/archives/139-Haskell-as-a-puzzle-Solver.html Haskell as a puzzle solver] |
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+ | * [http://myawesomeblag.blogspot.com/2007/03/opengl-tetris-in-haskell.html OpenGL tetris in Haskell] |
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+ | * [http://hmastermind.blogspot.com/ Mastermind Game for Haskell] |

## Latest revision as of 06:00, 20 February 2008

## Contents |

## [edit] 1 Programming exercises in Haskell

- Diff in Haskell
- Introductory Haskell: Solving the Sorting-It-Out Kata
- The "perfect shuffles" puzzle (solved in Haskell)
- A Simple RPN Calculator in Haskell
- Software Cipher
- Dot matrix printer
- Overlap function in Haskell for rectangles
- Tying Knots Generically
- A quick and dirty theorem prover in Haskell
- Brainf*k interpreter in Haskell
- FourFours in Haskell
- Using Bayesian filtering instead of 'if' in Haskell
- Counting fibonaccis
- Decision making
- Solving an arithmetic puzzle with Haskell
- The Rationals
- Break a string into pieces

## [edit] 2 Particular exercises

### [edit] 2.1 Prime sieves

### [edit] 2.2 Supermarket Pricing

### [edit] 2.3 Ball Clock Puzzle

### [edit] 2.4 N-Queens

### [edit] 2.5 The Google Code Jam "countPaths" problem

### [edit] 2.6 Secret Santas in Haskell

### [edit] 2.7 Run length encoding

### [edit] 2.8 The bowling puzzle

- The Bowling Game Kata in Haskell
- Bowling in Haskell

### [edit] 2.9 Norvig's spell checker

### [edit] 2.10 Chris' Puzzle

### [edit] 2.11 Word numbers

- Solving the word numbers problem: