Euler problems/21 to 30: Revision history

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curprev 15:5315:53, 11 October 2015‎ Shlomif talk contribs‎ 7,987 bytes +470‎ →‎Problem 21: Clarify problem and add a solution.

curprev 03:5203:52, 14 November 2011‎ Haldean talk contribs‎ 7,517 bytes +127‎ →‎Problem 24: Added another method for Problem 24

curprev 10:2510:25, 11 June 2011‎ Salvatore talk contribs‎ 7,390 bytes +193‎ →‎Problem 29

curprev 05:2605:26, 4 June 2011‎ Wilcoxjay talk contribs‎ m 7,197 bytes −4‎ →‎Problem 28: Forgot about replicate.
curprev 03:4803:48, 4 June 2011‎ Wilcoxjay talk contribs‎ 7,201 bytes +322‎ →‎Problem 28: Alternate solution using scanl

curprev 17:3317:33, 8 November 2010‎ Alderz talk contribs‎ m 5,318 bytes +107‎ Added a simpler solution to problem 29

curprev 16:0016:00, 8 April 2010‎ Spyros talk contribs‎ 5,211 bytes +6‎ No edit summary
curprev 14:5514:55, 8 April 2010‎ Spyros talk contribs‎ 5,205 bytes +263‎ Added solution to problem 29

curprev 05:2405:24, 19 February 2010‎ Newacct talk contribs‎ m 4,942 bytes −10‎ No edit summary
curprev 05:0505:05, 19 February 2010‎ Newacct talk contribs‎ m 4,952 bytes −7‎ No edit summary

curprev 07:0507:05, 13 December 2009‎ Newacct talk contribs‎ m 4,959 bytes −24‎ No edit summary

curprev 07:2807:28, 11 December 2009‎ Steve C talk contribs‎ 4,983 bytes −7‎ Remove redundant 'show'

curprev 08:4708:47, 16 December 2008‎ Solrize talk contribs‎ 4,990 bytes −49‎ fix problem 25 which was messy and wrong

curprev 21:2521:25, 21 October 2008‎ Dainanaki talk contribs‎ 5,039 bytes +18‎ Fixed version 2 to have proper solution. Numbers whose divisor sum equals themselves are not amicable numbers.

curprev 17:2317:23, 25 February 2008‎ Quale talk contribs‎ 5,021 bytes −1,028‎ →‎[http://projecteuler.net/index.php?section=problems&id=30 Problem 30]: restore solution to problem erased by User:Lisp
curprev 17:1317:13, 25 February 2008‎ Quale talk contribs‎ 6,049 bytes +375‎ →‎[http://projecteuler.net/index.php?section=problems&id=26 Problem 26]: restore a correct solution that was replaced by a wrong one
curprev 17:0917:09, 25 February 2008‎ Quale talk contribs‎ 5,674 bytes +893‎ →‎[http://projecteuler.net/index.php?section=problems&id=21 Problem 21]: restore solutions deleted by User:Lisp

curprev 13:3713:37, 24 February 2008‎ CaleGibbard talk contribs‎ 4,781 bytes −77‎ remove comment which didn't apply to the solution given. If you want to improve the solutions, do what HenryLaxen is doing, and actually improve them.
curprev 13:3213:32, 24 February 2008‎ Hk talk contribs‎ 4,858 bytes +67‎ No edit summary

curprev 19:3019:30, 20 February 2008‎ Henrylaxen talk contribs‎ 4,791 bytes +1,225‎ No edit summary
curprev 19:0519:05, 20 February 2008‎ Quale talk contribs‎ 3,566 bytes −178‎ →‎Problem 25: restore old solution to problem 25 to avoid gratuitous complexity

curprev 19:2519:25, 19 February 2008‎ CaleGibbard talk contribs‎ 3,744 bytes +21‎ No edit summary

curprev 11:1711:17, 18 February 2008‎ Lisp talk contribs‎ 3,723 bytes −188‎ No edit summary

curprev 01:3301:33, 17 February 2008‎ Lisp talk contribs‎ 3,911 bytes −416‎ No edit summary

curprev 04:5504:55, 30 January 2008‎ CaleGibbard talk contribs‎ 4,327 bytes +4,307‎ rv: vandalism

curprev 21:4221:42, 29 January 2008‎ Marypoppins talk contribs‎ 20 bytes −4,307‎ No edit summary

curprev 13:4613:46, 22 January 2008‎ Lisp talk contribs‎ 4,327 bytes +40‎ No edit summary
curprev 03:4603:46, 22 January 2008‎ Lisp talk contribs‎ 4,287 bytes −2,425‎ No edit summary

curprev 14:3114:31, 21 January 2008‎ Lisp talk contribs‎ 6,712 bytes −1,776‎ No edit summary

curprev 02:3002:30, 6 January 2008‎ Lisp talk contribs‎ 8,488 bytes +33‎ No edit summary

curprev 20:2520:25, 14 December 2007‎ Jedbrown talk contribs‎ m 8,455 bytes +228‎ Cleaner problem_21

curprev 00:3700:37, 2 December 2007‎ Lisp talk contribs‎ 8,227 bytes +205‎ No edit summary

curprev 08:4608:46, 1 December 2007‎ Lisp talk contribs‎ 8,022 bytes +51‎ No edit summary

curprev 12:0912:09, 30 September 2007‎ YitzGale talk contribs‎ 7,971 bytes −86‎ Removing category tags. See Talk:Euler_problems

curprev 22:0822:08, 23 September 2007‎ YitzGale talk contribs‎ 8,057 bytes +562‎ Added problem_21_v2

curprev 06:3506:35, 4 September 2007‎ Jedai talk contribs‎ m 7,495 bytes +1‎ No edit summary

curprev 13:1813:18, 3 September 2007‎ Jedai talk contribs‎ m 7,494 bytes −9‎ No edit summary
curprev 13:0213:02, 3 September 2007‎ Jedai talk contribs‎ 7,503 bytes +370‎ Alternative solution for problem28

curprev 12:1512:15, 6 August 2007‎ Oboudry talk contribs‎ 7,133 bytes −20‎ No edit summary
curprev 12:1212:12, 6 August 2007‎ Oboudry talk contribs‎ 7,153 bytes +287‎ No edit summary
curprev 09:0609:06, 6 August 2007‎ Oboudry talk contribs‎ 6,866 bytes +549‎ No edit summary

curprev 14:5314:53, 2 August 2007‎ Oboudry talk contribs‎ 6,317 bytes +502‎ No edit summary

curprev 13:0313:03, 25 July 2007‎ Henk-Jan van Tuyl talk contribs‎ m 5,815 bytes −230‎ No edit summary
curprev 12:5812:58, 25 July 2007‎ Henk-Jan van Tuyl talk contribs‎ 6,045 bytes +2,193‎ Added a solution to problem 27

curprev 10:3410:34, 20 July 2007‎ Henk-Jan van Tuyl talk contribs‎ m 3,852 bytes −40‎ Corrected the links to the Euler project

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