# User contributions

### From HaskellWiki

- 21:01, 19 July 2010 (diff | hist) . .
**(+1,592)** . . 99 questions/Solutions/55 (cleanup/format solution code, added type signature and explanation) - 13:43, 19 July 2010 (diff | hist) . . (+478) . . 99 questions/54A to 60 (→Binary trees: leaf shorthand)
- 21:22, 18 July 2010 (diff | hist) . .
**(+1,290)** . . 99 questions/54A to 60 (moved non-solution for P54A to introductory text (since all these problems use binary trees, it's a good idea to lay down a common format at the beginning)) - 04:07, 18 July 2010 (diff | hist) . . (+371) . . 99 questions/Solutions/46 (more cleanup and commenting)
- 02:34, 18 July 2010 (diff | hist) . .
**(+903)** . . 99 questions/Solutions/46 (cleanup, comment, format) - 02:25, 18 July 2010 (diff | hist) . . (-10) . . 99 questions/46 to 50 (→Problem 46: 'table2' renamed 'table' to be closer to the original intent of the problem)
- 01:31, 18 July 2010 (diff | hist) . .
**(+1,647)** . . 99 questions/80 to 89 (stubbed in problem descriptions and link to solutions; moved existing solution for P81 to 99 questions/Solutions/81) - 01:25, 18 July 2010 (diff | hist) . .
**(+759)** . . N 99 questions/Solutions/81 - 22:43, 17 July 2010 (diff | hist) . .
**(+4,052)** . . 99 questions/80 to 89 (→Graphs: Stole graph descriptions and images from P-99 homepage) - 21:58, 17 July 2010 (diff | hist) . . (+198) . . 99 questions/Solutions/49 (another solution using list comprehension)
- 17:37, 17 July 2010 (diff | hist) . . (+50) . . 99 questions/31 to 41 (→Problem 32: link to Euclidean algorithm on Wikipedia)
- 17:16, 17 July 2010 (diff | hist) . .
**(+1,358)** . . 99 questions/Solutions/28 - 16:53, 17 July 2010 (diff | hist) . . (+233) . . 99 questions/Solutions/28 (another solution without 'comparing')
- 05:00, 17 July 2010 (diff | hist) . . (+36) . . 99 questions/Solutions/26 (type signature)
- 04:58, 17 July 2010 (diff | hist) . .
**(+787)** . . 99 questions/Solutions/26 (another solution without tails) - 13:25, 16 July 2010 (diff | hist) . . (-2) . . 99 questions/21 to 28 (→Problem 22: formatting)
- 01:38, 16 July 2010 (diff | hist) . . (+374) . . 99 questions/Solutions/18 (another solution using splitAt)
- 20:25, 15 July 2010 (diff | hist) . . (-75) . . H-99: Ninety-Nine Haskell Problems
- 20:25, 15 July 2010 (diff | hist) . . (+11) . . 99 questions/Solutions
- 20:22, 15 July 2010 (diff | hist) . . (-291) . . 99 questions/95 to 99 (Removed "If you want to work on one of these" header (these are all done)) (top)
- 20:22, 15 July 2010 (diff | hist) . . (-309) . . 99 questions/61 to 69 (Removed "If you want to work on one of these" header (these are all done))
- 20:21, 15 July 2010 (diff | hist) . . (-309) . . 99 questions/54A to 60 (Removed "If you want to work on one of these" header (these are all done))
- 20:21, 15 July 2010 (diff | hist) . . (-309) . . 99 questions/46 to 50 (Removed "If you want to work on one of these" header (these are all done))
- 20:20, 15 July 2010 (diff | hist) . . (-317) . . 99 questions/21 to 28 (Removed "If you want to work on one of these" header (these are all done))
- 20:20, 15 July 2010 (diff | hist) . . (-309) . . 99 questions/1 to 10 (Removed "If you want to work on one of these" header (these are all done))
- 20:13, 15 July 2010 (diff | hist) . . (+83) . . 99 questions/Solutions/17 (cleanup)
- 20:01, 15 July 2010 (diff | hist) . . (+180) . . 99 questions/Solutions/16 (a slight variation using guards)
- 17:22, 15 July 2010 (diff | hist) . .
**(-4,630)** . . 99 questions/95 to 99 (moved solutions to subpages of 99 questions/Solutions) - 17:21, 15 July 2010 (diff | hist) . .
**(+4,930)** . . N 99 questions/Solutions/99 (top) - 17:20, 15 July 2010 (diff | hist) . . (+22) . . N 99 questions/Solutions/98 (#redirect Nonogram) (top)
- 17:19, 15 July 2010 (diff | hist) . . (+20) . . N 99 questions/Solutions/97 (#redirect Sudoku) (top)
- 17:18, 15 July 2010 (diff | hist) . .
**(+1,773)** . . N 99 questions/Solutions/96 - 17:17, 15 July 2010 (diff | hist) . .
**(+668)** . . N 99 questions/Solutions/95 (top) - 17:08, 15 July 2010 (diff | hist) . .
**(-8,294)** . . 99 questions/90 to 94 (moved solutions to subpages of 99 questions/Solutions. Still need solution for P94) - 17:08, 15 July 2010 (diff | hist) . .
**(+3,416)** . . N 99 questions/Solutions/93 (top) - 17:07, 15 July 2010 (diff | hist) . .
**(+1,523)** . . N 99 questions/Solutions/92 (top) - 17:05, 15 July 2010 (diff | hist) . .
**(+3,030)** . . N 99 questions/Solutions/91 (top) - 17:05, 15 July 2010 (diff | hist) . .
**(+2,340)** . . N 99 questions/Solutions/90 (top) - 15:45, 15 July 2010 (diff | hist) . .
**(-3,798)** . . 99 questions/70B to 73 (moved solutions to subpages of 99 questions/Solutions) - 15:44, 15 July 2010 (diff | hist) . .
**(+1,581)** . . N 99 questions/Solutions/73 (top) - 15:43, 15 July 2010 (diff | hist) . .
**(+526)** . . N 99 questions/Solutions/72 (top) - 15:41, 15 July 2010 (diff | hist) . . (+366) . . N 99 questions/Solutions/71 (top)
- 15:41, 15 July 2010 (diff | hist) . .
**(+3,586)** . . N 99 questions/Solutions/70 - 15:39, 15 July 2010 (diff | hist) . . (-10) . . 99 questions/Solutions (oops. Don't need 70B)
- 15:39, 15 July 2010 (diff | hist) . . (+130) . . N 99 questions/Solutions/70C (top)
- 15:37, 15 July 2010 (diff | hist) . . (+19) . . 99 questions/Solutions (added 70C, 70)
- 18:28, 14 July 2010 (diff | hist) . . (+167) . . User talk:Gwern (→Spam)
- 03:00, 14 July 2010 (diff | hist) . . (+210) . . 99 questions/Solutions/9
- 02:54, 14 July 2010 (diff | hist) . . (-6) . . 99 questions/1 to 10 (→Problem 8: Using a list-of-strings is closer to the spirit of this problem than list-of-chars)
- 02:35, 14 July 2010 (diff | hist) . .
**(-6,278)** . . 99 questions/61 to 69 (moved solutions to subpages of 99 questions/Solutions) - 02:34, 14 July 2010 (diff | hist) . .
**(+2,609)** . . N 99 questions/Solutions/69 - 02:33, 14 July 2010 (diff | hist) . .
**(+1,903)** . . N 99 questions/Solutions/68 - 02:33, 14 July 2010 (diff | hist) . .
**(+1,344)** . . N 99 questions/Solutions/67A - 02:33, 14 July 2010 (diff | hist) . . (+1) . . 99 questions/Solutions
- 02:31, 14 July 2010 (diff | hist) . .
**(+2,256)** . . N 99 questions/Solutions/66 - 02:29, 14 July 2010 (diff | hist) . .
**(+1,212)** . . N 99 questions/Solutions/65 - 01:08, 14 July 2010 (diff | hist) . .
**(-6,423)** . . 99 questions/61 to 69 (moved solutions to subpages of 99 questions/Solutions) - 01:08, 14 July 2010 (diff | hist) . .
**(+1,294)** . . N 99 questions/Solutions/64 - 01:07, 14 July 2010 (diff | hist) . .
**(+7,106)** . . N 99 questions/Solutions/63 - 01:06, 14 July 2010 (diff | hist) . .
**(+732)** . . N 99 questions/Solutions/62B - 00:09, 14 July 2010 (diff | hist) . . (-378) . . 99 questions/61 to 69 (moved some solutions to subpages of 99 questions/Solutions)
- 00:08, 14 July 2010 (diff | hist) . . (+10) . . 99 questions/Solutions
- 00:08, 14 July 2010 (diff | hist) . . (+378) . . N 99 questions/Solutions/62
- 00:07, 14 July 2010 (diff | hist) . . (+314) . . N 99 questions/Solutions/61A
- 00:07, 14 July 2010 (diff | hist) . . (+10) . . 99 questions/Solutions
- 00:06, 14 July 2010 (diff | hist) . . (+298) . . N 99 questions/Solutions/61
- 21:49, 13 July 2010 (diff | hist) . . (-1) . . 99 questions/Solutions (sp)
- 21:48, 13 July 2010 (diff | hist) . . (0) . . H-99: Ninety-Nine Haskell Problems
- 21:48, 13 July 2010 (diff | hist) . . (-8) . . 99 questions/Solutions
- 21:48, 13 July 2010 (diff | hist) . .
**(-4,936)** . . 99 questions/54A to 60 (moved solutions to subpages of 99 questions/Solutions and cleaned up code formatting) - 21:47, 13 July 2010 (diff | hist) . .
**(+2,771)** . . N 99 questions/Solutions/60 (top) - 21:45, 13 July 2010 (diff | hist) . .
**(+1,417)** . . N 99 questions/Solutions/59 (top) - 21:44, 13 July 2010 (diff | hist) . . (+225) . . N 99 questions/Solutions/58
- 21:44, 13 July 2010 (diff | hist) . .
**(+670)** . . N 99 questions/Solutions/57 (top) - 21:43, 13 July 2010 (diff | hist) . .
**(+685)** . . N 99 questions/Solutions/56 (top) - 21:42, 13 July 2010 (diff | hist) . .
**(+800)** . . N 99 questions/Solutions/55 - 21:41, 13 July 2010 (diff | hist) . .
**(+1,108)** . . N 99 questions/Solutions/54A (top) - 21:35, 13 July 2010 (diff | hist) . . (+335) . . 99 questions/Solutions (stub links for rest of solution pages)
- 21:30, 13 July 2010 (diff | hist) . .
**(-5,028)** . . 99 questions/46 to 50 (moved solutions to subpages of 99 questions/Solutions) - 21:29, 13 July 2010 (diff | hist) . .
**(+3,513)** . . N 99 questions/Solutions/50 - 21:28, 13 July 2010 (diff | hist) . .
**(+762)** . . N 99 questions/Solutions/49 - 21:27, 13 July 2010 (diff | hist) . .
**(+777)** . . N 99 questions/Solutions/48 - 21:26, 13 July 2010 (diff | hist) . .
**(+637)** . . N 99 questions/Solutions/47 - 21:25, 13 July 2010 (diff | hist) . .
**(+1,524)** . . N 99 questions/Solutions/46 - 21:24, 13 July 2010 (diff | hist) . . (+35) . . 99 questions/Solutions (stub 46-50 links)
- 21:19, 13 July 2010 (diff | hist) . . (+48) . . N 99 questions (top)
- 21:10, 13 July 2010 (diff | hist) . . (+36) . . Learning Haskell (replace dead link to "Why Functional Programming Matters")
- 21:07, 13 July 2010 (diff | hist) . .
**(-19,195)** . . Haskell (revert spam) - 17:30, 13 July 2010 (diff | hist) . . (-9) . . User:Wapcaplet (top)
- 17:24, 13 July 2010 (diff | hist) . . (+286) . . N User:Wapcaplet (brief bio)
- 17:18, 13 July 2010 (diff | hist) . .
**(+584)** . . User talk:Gwern (spam) - 17:06, 13 July 2010 (diff | hist) . .
**(-900)** . . 99 questions/Solutions (reformatting) - 17:02, 13 July 2010 (diff | hist) . . (-33) . . 99 questions/Solutions (removed solution 38 (no solution required))
- 17:01, 13 July 2010 (diff | hist) . .
**(-6,051)** . . 99 questions/31 to 41 (moved solutions to subpages of 99 questions/Solutions) - 17:00, 13 July 2010 (diff | hist) . .
**(+640)** . . N 99 questions/Solutions/41 - 16:59, 13 July 2010 (diff | hist) . .
**(+1,315)** . . N 99 questions/Solutions/40 - 16:58, 13 July 2010 (diff | hist) . .
**(+1,016)** . . N 99 questions/Solutions/39 - 16:57, 13 July 2010 (diff | hist) . . (+328) . . N 99 questions/Solutions/37
- 16:56, 13 July 2010 (diff | hist) . . (+453) . . N 99 questions/Solutions/36
- 16:55, 13 July 2010 (diff | hist) . .
**(+2,306)** . . N 99 questions/Solutions/35 - 16:53, 13 July 2010 (diff | hist) . .
**(+580)** . . N 99 questions/Solutions/34 - 16:52, 13 July 2010 (diff | hist) . . (+284) . . N 99 questions/Solutions/33
- 16:52, 13 July 2010 (diff | hist) . .
**(+732)** . . N 99 questions/Solutions/32 - 16:51, 13 July 2010 (diff | hist) . .
**(+551)** . . N 99 questions/Solutions/31 - 16:50, 13 July 2010 (diff | hist) . . (+355) . . 99 questions/Solutions
- 16:48, 13 July 2010 (diff | hist) . . (+162) . . H-99: Ninety-Nine Haskell Problems (99 questions/Solutions)
- 16:10, 13 July 2010 (diff | hist) . .
**(+812)** . . N 99 questions/Solutions/28 - 16:10, 13 July 2010 (diff | hist) . .
**(-8,244)** . . 99 questions/21 to 28 (moved solutions for questions 21-28 to new subpages of 99 questions/Solutions) - 16:03, 13 July 2010 (diff | hist) . .
**(+2,154)** . . N 99 questions/Solutions/27 - 16:00, 13 July 2010 (diff | hist) . .
**(+1,500)** . . N 99 questions/Solutions/26 - 15:59, 13 July 2010 (diff | hist) . . (+245) . . N 99 questions/Solutions/25
- 15:58, 13 July 2010 (diff | hist) . .
**(+611)** . . N 99 questions/Solutions/24 - 15:57, 13 July 2010 (diff | hist) . .
**(+2,824)** . . N 99 questions/Solutions/23 - 15:56, 13 July 2010 (diff | hist) . .
**(+535)** . . N 99 questions/Solutions/22 - 15:56, 13 July 2010 (diff | hist) . .
**(+1,103)** . . N 99 questions/Solutions/21 - 15:55, 13 July 2010 (diff | hist) . . (+256) . . 99 questions/Solutions (stub links for 21-28)
- 15:51, 13 July 2010 (diff | hist) . .
**(-5,433)** . . 99 questions/11 to 20 (moved solutions to subpages of 99 questions/Solutions, reformatted code examples) - 15:47, 13 July 2010 (diff | hist) . .
**(+696)** . . N 99 questions/Solutions/20 - 15:46, 13 July 2010 (diff | hist) . .
**(+838)** . . N 99 questions/Solutions/19 - 15:46, 13 July 2010 (diff | hist) . .
**(+778)** . . N 99 questions/Solutions/18 - 15:45, 13 July 2010 (diff | hist) . .
**(+760)** . . N 99 questions/Solutions/17 - 15:45, 13 July 2010 (diff | hist) . .
**(+947)** . . N 99 questions/Solutions/16 - 15:44, 13 July 2010 (diff | hist) . . (+234) . . N 99 questions/Solutions/15
- 15:43, 13 July 2010 (diff | hist) . .
**(+519)** . . N 99 questions/Solutions/14 - 15:43, 13 July 2010 (diff | hist) . .
**(+1,126)** . . N 99 questions/Solutions/13 - 15:42, 13 July 2010 (diff | hist) . .
**(+534)** . . N 99 questions/Solutions/12 - 15:41, 13 July 2010 (diff | hist) . .
**(+840)** . . N 99 questions/Solutions/11 - 15:40, 13 July 2010 (diff | hist) . .
**(+1,083)** . . 99 questions/Solutions (stubs for problems 11-99) - 15:27, 13 July 2010 (diff | hist) . .
**(-2,366)** . . 99 questions/1 to 10 (moved solutions 6-10 to new subpages of 99 questions/Solutions, and cleaned up formatting) - 15:24, 13 July 2010 (diff | hist) . .
**(+731)** . . N 99 questions/Solutions/10 - 15:23, 13 July 2010 (diff | hist) . .
**(+686)** . . N 99 questions/Solutions/9 - 15:22, 13 July 2010 (diff | hist) . .
**(+990)** . . N 99 questions/Solutions/8 - 15:22, 13 July 2010 (diff | hist) . .
**(+544)** . . N 99 questions/Solutions/7 - 15:20, 13 July 2010 (diff | hist) . . (+205) . . N 99 questions/Solutions/6
- 15:20, 13 July 2010 (diff | hist) . . (+193) . . 99 questions/Solutions (added links to 6-10)
- 15:17, 13 July 2010 (diff | hist) . . (+4) . . 99 questions/1 to 10 (fixed broken links to solutions)
- 15:15, 13 July 2010 (diff | hist) . .
**(-1,876)** . . 99 questions/1 to 10 (Moved solutions to first 5 problems to new subpages of 99 problems/Solutions) - 15:14, 13 July 2010 (diff | hist) . .
**(+699)** . . N 99 questions/Solutions/5 - 15:13, 13 July 2010 (diff | hist) . . (+294) . . N 99 questions/Solutions/4
- 15:12, 13 July 2010 (diff | hist) . .
**(+719)** . . N 99 questions/Solutions/3 (Copied solution from 99 questions/1 to 10) - 15:11, 13 July 2010 (diff | hist) . . (+270) . . N 99 questions/Solutions/2 (copied solution from Editing 99 questions/1 to 10)
- 15:09, 13 July 2010 (diff | hist) . . (+246) . . N 99 questions/Solutions/1 (Copied solution from 99 questions/1 to 10)
- 15:07, 13 July 2010 (diff | hist) . . (+261) . . N 99 questions/Solutions (New stub page for solutions to H-99: Ninety-Nine Haskell Problems)
- 15:05, 13 July 2010 (diff | hist) . . (+264) . . Talk:99 questions/1 to 10