# Difference between revisions of "H-99: Ninety-Nine Haskell Problems"

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These are Haskell translations of [http://www.ic.unicamp.br/~meidanis/courses/mc336/2006s2/funcional/L-99_Ninety-Nine_Lisp_Problems.html Ninety-Nine Lisp Problems], |
These are Haskell translations of [http://www.ic.unicamp.br/~meidanis/courses/mc336/2006s2/funcional/L-99_Ninety-Nine_Lisp_Problems.html Ninety-Nine Lisp Problems], |
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− | which are themselves translations of [ |
+ | which are themselves translations of [https://prof.ti.bfh.ch/hew1/informatik3/prolog/p-99/ Ninety-Nine Prolog Problems]. |

If you want to work on one of these, put your name in the block so we know someone's working on it. Then, change n in your block to the appropriate problem number, and fill in the <Problem description>,<example in Haskell>,<solution in haskell> and <description of implementation> fields. Then be sure to update the status on this page to indicate that we have a solution! |
If you want to work on one of these, put your name in the block so we know someone's working on it. Then, change n in your block to the appropriate problem number, and fill in the <Problem description>,<example in Haskell>,<solution in haskell> and <description of implementation> fields. Then be sure to update the status on this page to indicate that we have a solution! |
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* [[99_questions/95_to_99|Questions 95 to 99]]: Miscellaneous problems, continued |
* [[99_questions/95_to_99|Questions 95 to 99]]: Miscellaneous problems, continued |
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− | (Though the problems number from 1 to 99, there are some gaps and some additions marked with letters. |
+ | (Though the problems number from 1 to 99, there are some gaps and some additions marked with letters. There are actually only 88 problems.) |

− | There are actually only 88 problems.) |
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− | == |
+ | == Solutions == |

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+ | Known solutions are listed at [[99 questions/Solutions]]. Some of those we have could do with cleaning up or additional solutions. |
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+ | == References == |
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* [http://www.ic.unicamp.br/~meidanis/courses/mc336/2006s2/funcional/L-99_Ninety-Nine_Lisp_Problems.html L-99: Ninety-Nine Lisp Problems] contains Lisp solutions to problems 1-11, 14, 15, 17 and 20-28. |
* [http://www.ic.unicamp.br/~meidanis/courses/mc336/2006s2/funcional/L-99_Ninety-Nine_Lisp_Problems.html L-99: Ninety-Nine Lisp Problems] contains Lisp solutions to problems 1-11, 14, 15, 17 and 20-28. |
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− | * We still lack Haskell solutions to problems 68, 69, 80-89, 92 and 94. (Please edit this list if you add any solutions.) |
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+ | * [http://www.oreillynet.com/onlamp/blog/2006/12/99_problems_in_perl_6.html 99 Problems in Perl 6] has an increasing number of Perl 6 solutions (running on [http://www.pugscode.org/ Pugs]). |
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+ | * [http://www.christiankissig.de/cms/index.php/en/programming/28-ocaml/28-99-problems-in-ocaml 99 Problems in OCaml] contains Ocaml solutions to many problems. |
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[[Category:Tutorials]] |
[[Category:Tutorials]] |
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+ | [[Category:Code]] |

## Latest revision as of 20:39, 22 November 2013

These are Haskell translations of Ninety-Nine Lisp Problems,
which are themselves translations of Ninety-Nine Prolog Problems.

If you want to work on one of these, put your name in the block so we know someone's working on it. Then, change n in your block to the appropriate problem number, and fill in the <Problem description>,<example in Haskell>,<solution in haskell> and <description of implementation> fields. Then be sure to update the status on this page to indicate that we have a solution!

## The problems

These problems have been split into 11 parts, for ease of access.

- Questions 1 to 10: Lists
- Questions 11 to 20: Lists, continued
- Questions 21 to 28: Lists again
- Questions 31 to 41: Arithmetic
- Questions 46 to 50: Logic and codes
- Questions 54A to 60: Binary trees
- Questions 61 to 69: Binary trees, continued
- Questions 70B to 73: Multiway trees
- Questions 80 to 89: Graphs
- Questions 90 to 94: Miscellaneous problems
- Questions 95 to 99: Miscellaneous problems, continued

(Though the problems number from 1 to 99, there are some gaps and some additions marked with letters. There are actually only 88 problems.)

## Solutions

Known solutions are listed at 99 questions/Solutions. Some of those we have could do with cleaning up or additional solutions.

## References

- P-99: Ninety-Nine Prolog Problems contains Prolog solutions to all the problems.
- L-99: Ninety-Nine Lisp Problems contains Lisp solutions to problems 1-11, 14, 15, 17 and 20-28.
- 99 Problems in Perl 6 has an increasing number of Perl 6 solutions (running on Pugs).
- 99 Problems in OCaml contains Ocaml solutions to many problems.