# User contributions

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- 16:55, 26 February 2008 diff hist +166 Talk:Euler problems/1 to 10 "primes" is in problem 3
- 19:07, 25 February 2008 diff hist -261 Euler problems/81 to 90 →[http://projecteuler.net/index.php?section=problems&id=87 Problem 87]: restore simpler solution
- 17:47, 25 February 2008 diff hist +341 N User talk:Henrylaxen many Euler problems have better solutions on the page history
- 17:45, 25 February 2008 diff hist -10 m Euler problems/31 to 40 →[http://projecteuler.net/index.php?section=problems&id=40 Problem 40]: fix oops in last edit
- 17:44, 25 February 2008 diff hist +81 Euler problems/31 to 40 →[http://projecteuler.net/index.php?section=problems&id=40 Problem 40]: restore another solution
- 17:43, 25 February 2008
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**+529** Euler problems/31 to 40 →[http://projecteuler.net/index.php?section=problems&id=39 Problem 39]: restore another solution - 17:41, 25 February 2008
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**+664** Euler problems/31 to 40 →[http://projecteuler.net/index.php?section=problems&id=37 Problem 37]: restore yet another solution erased by User:Lisp - 17:41, 25 February 2008 diff hist -3 Euler problems/31 to 40 →[http://projecteuler.net/index.php?section=problems&id=36 Problem 36]: restore yet another solution removed by User:Lisp, sigh
- 17:40, 25 February 2008 diff hist +169 Euler problems/31 to 40 →[http://projecteuler.net/index.php?section=problems&id=35 Problem 35]: rm premature "optimization"
- 17:37, 25 February 2008 diff hist -132 Euler problems/31 to 40 →[http://projecteuler.net/index.php?section=problems&id=34 Problem 34]: restore erased solution
- 17:25, 25 February 2008 diff hist +190 User talk:Lisp stop damaging Euler problems current
- 17:23, 25 February 2008
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**-1,028** Euler problems/21 to 30 →[http://projecteuler.net/index.php?section=problems&id=30 Problem 30]: restore solution to problem erased by User:Lisp - 17:13, 25 February 2008 diff hist +375 Euler problems/21 to 30 →[http://projecteuler.net/index.php?section=problems&id=26 Problem 26]: restore a correct solution that was replaced by a wrong one
- 17:09, 25 February 2008
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**+893** Euler problems/21 to 30 →[http://projecteuler.net/index.php?section=problems&id=21 Problem 21]: restore solutions deleted by User:Lisp - 17:02, 25 February 2008 diff hist -151 Euler problems/11 to 20 →[http://projecteuler.net/index.php?section=problems&id=12 Problem 12]: fix parts of solution replaced by User:Lisp
- 17:00, 25 February 2008 diff hist +101 Euler problems/11 to 20 →[http://projecteuler.net/index.php?section=problems&id=15 Problem 15]: restore another interesting solution erased by User:Lisp
- 16:57, 25 February 2008 diff hist +285 Euler problems/11 to 20 →[http://projecteuler.net/index.php?section=problems&id=14 Problem 14]: restore another instructive solution erased by User:Lisp
- 16:50, 25 February 2008 diff hist +310 Euler problems/11 to 20 →[http://projecteuler.net/index.php?section=problems&id=14 Problem 14]: restore solution erased by User:Lisp
- 19:05, 20 February 2008 diff hist -178 Euler problems/21 to 30 →Problem 25: restore old solution to problem 25 to avoid gratuitous complexity
- 17:24, 20 February 2008 diff hist -238 Euler problems/11 to 20 →Problem 20: simplify solution
- 17:52, 18 February 2008 diff hist +426 N User talk:Lisp I think it's better to not hard code the triangle numbers
- 01:25, 11 April 2007
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**+503** Euler problems/41 to 50 →[http://projecteuler.net/index.php?section=problems&id=41 Problem 41]: a solution - 00:48, 11 April 2007 diff hist +146 Euler problems/31 to 40 →[http://projecteuler.net/index.php?section=problems&id=40 Problem 40]: a solution
- 00:24, 11 April 2007 diff hist +486 Euler problems/31 to 40 →[http://projecteuler.net/index.php?section=problems&id=38 Problem 38]: a solution (cleanup welcome)
- 19:13, 10 April 2007 diff hist +239 Euler problems/51 to 60 →[http://projecteuler.net/index.php?section=problems&id=52 Problem 52]: a solution
- 05:39, 3 April 2007 diff hist +429 Euler problems/21 to 30 →[http://projecteuler.net/index.php?section=problems&id=26 Problem 26]: a solution
- 19:56, 2 April 2007 diff hist +39 Euler problems/91 to 100 →[http://projecteuler.net/index.php?section=problems&id=97 Problem 97]: a solution
- 08:48, 30 March 2007 diff hist +140 Euler problems/71 to 80 →[http://projecteuler.net/index.php?section=problems&id=75 Problem 75]: a solution
- 08:39, 30 March 2007 diff hist +28 Euler problems/31 to 40 →[http://projecteuler.net/index.php?section=problems&id=39 Problem 39]: reduce search space
- 08:35, 30 March 2007
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**+503** Euler problems/71 to 80 →[http://projecteuler.net/index.php?section=problems&id=75 Problem 75]: a solution - 07:39, 30 March 2007 diff hist +179 Euler problems/51 to 60 →[http://projecteuler.net/index.php?section=problems&id=53 Problem 53]: a solution
- 07:24, 30 March 2007 diff hist +137 Euler problems/51 to 60 →[http://projecteuler.net/index.php?section=problems&id=56 Problem 56]: a solution
- 07:19, 30 March 2007 diff hist +373 Euler problems/21 to 30 →[http://projecteuler.net/index.php?section=problems&id=21 Problem 21]: a solution
- 06:43, 30 March 2007 diff hist +62 Euler problems/21 to 30 →[http://projecteuler.net/index.php?section=problems&id=29 Problem 29]: a solution
- 06:39, 30 March 2007 diff hist +244 Euler problems/51 to 60 →[http://projecteuler.net/index.php?section=problems&id=55 Problem 55]: a solution
- 04:14, 30 March 2007
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**+779** Euler problems/31 to 40 →[http://projecteuler.net/index.php?section=problems&id=39 Problem 39]: a solution (could use some cleanup) - 01:57, 30 March 2007 diff hist -24 m Euler problems/41 to 50 →[http://projecteuler.net/index.php?section=problems&id=48 Problem 48]
- 01:55, 30 March 2007 diff hist +295 Euler problems/41 to 50 →[http://projecteuler.net/index.php?section=problems&id=48 Problem 48]: a solution
- 01:29, 30 March 2007 diff hist +362 Euler problems/41 to 50 →[http://projecteuler.net/index.php?section=problems&id=45 Problem 45]: a solution
- 01:03, 30 March 2007
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**+567** Euler problems/61 to 70 →[http://projecteuler.net/index.php?section=problems&id=63 Problem 63]: a solution - 03:20, 29 March 2007 diff hist +22 Euler problems/61 to 70 →[http://projecteuler.net/index.php?section=problems&id=66 Problem 66]: eqn fix
- 14:22, 28 March 2007 diff hist +390 Euler problems/31 to 40 →[http://projecteuler.net/index.php?section=problems&id=31 Problem 31]: naive doubly recursive solution
- 13:56, 28 March 2007 diff hist +2 Euler problems/31 to 40 fix typo
- 05:02, 28 March 2007
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**+748** Euler problems/41 to 50 →[http://projecteuler.net/index.php?section=problems&id=46 Problem 46]: solution inspired by SICP exercise 3.70 - 01:33, 28 March 2007
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**+505** Euler problems/11 to 20 →[http://projecteuler.net/index.php?section=problems&id=12 Problem 12]: add a solution - 18:03, 27 March 2007 diff hist -3 m Euler problems/1 to 10 →[http://projecteuler.net/index.php?section=problems&id=3 Problem 3]: use last instead of maximum
- 17:51, 27 March 2007 diff hist +216 Euler problems/1 to 10 →[http://projecteuler.net/index.php?section=problems&id=3 Problem 3]: bug fix (previously found largest proper divisor 67*3919, not prime)
- 16:35, 27 March 2007 diff hist +17 Euler problems/1 to 10 →[http://projecteuler.net/index.php?section=problems&id=5 Problem 5]: clarify remark
- 16:33, 27 March 2007 diff hist +141 Euler problems/1 to 10 →[http://projecteuler.net/index.php?section=problems&id=5 Problem 5]: faster solution
- 16:27, 27 March 2007 diff hist -1 Euler problems/1 to 10 →[http://projecteuler.net/index.php?section=problems&id=1 Problem 1]: bug fix