28 August 2025

• curprev 21:1321:13, 28 August 2025 Andrewc10 talk contribs m 3,797 bytes −13 Fix some LaTeX

19 August 2025

• curprev 01:2501:25, 19 August 2025 Problemsolver1226 talk contribs m 3,810 bytes −1 →Solution 5

30 October 2024

• curprev 19:2619:26, 30 October 2024 Shreyjain talk contribs 3,811 bytes −1 →Solution 2

16 June 2024

• curprev 12:4012:40, 16 June 2024 Vadava lx talk contribs 3,812 bytes +1 →Solution 5
• curprev 12:2112:21, 16 June 2024 Vadava lx talk contribs m 3,811 bytes +64 →Solution 5

17 October 2023

• curprev 04:5404:54, 17 October 2023 Charmainema07292010 talk contribs 3,747 bytes +21 →Solution 5
• curprev 04:5404:54, 17 October 2023 Charmainema07292010 talk contribs 3,726 bytes +751 →Solution 4

10 August 2022

• curprev 11:0611:06, 10 August 2022 Bearjere talk contribs 2,975 bytes −24 →Solution: Fixed inconsistent formatting

3 September 2021

• curprev 03:5303:53, 3 September 2021 Erics son07 talk contribs 2,999 bytes +600 →Solution 3

20 August 2019

• curprev 18:1218:12, 20 August 2019 Nafer talk contribs 2,399 bytes +53 →Solution 3

2 July 2019

• curprev 14:4214:42, 2 July 2019 Nafer talk contribs 2,346 bytes +51 →Solution 3
• curprev 14:4114:41, 2 July 2019 Nafer talk contribs 2,295 bytes +57 →Solution 3
• curprev 14:4014:40, 2 July 2019 Nafer talk contribs 2,238 bytes +87 →Solution 3
• curprev 14:3814:38, 2 July 2019 Nafer talk contribs 2,151 bytes +2 →Solution 3
• curprev 14:3814:38, 2 July 2019 Nafer talk contribs 2,149 bytes +128 →Solution 3
• curprev 14:3214:32, 2 July 2019 Nafer talk contribs 2,021 bytes +93 →Solution 3
• curprev 14:2914:29, 2 July 2019 Nafer talk contribs 1,928 bytes +20 →Solution 2

9 June 2015

• curprev 21:3621:36, 9 June 2015 Rachanamadhu talk contribs 1,908 bytes +129 →Solution 2

15 July 2014

• curprev 23:5923:59, 15 July 2014 Hesa57 talk contribs m 1,779 bytes +1 →Solution 1

17 November 2013

• curprev 22:3022:30, 17 November 2013 Mathcool2009 talk contribs m 1,778 bytes −4 →Solution 1

4 July 2013

• curprev 09:2209:22, 4 July 2013 Nathan wailes talk contribs 1,782 bytes +15 No edit summary

28 July 2011

• curprev 17:1917:19, 28 July 2011 Joshxiong talk contribs 1,767 bytes +151 No edit summary

6 January 2009

• curprev 15:2915:29, 6 January 2009 Misof talk contribs 1,616 bytes +707 alternate solution

18 January 2008

• curprev 16:3016:30, 18 January 2008 Azjps talk contribs 909 bytes +909 s