25 August 2025

• curprev 17:0017:00, 25 August 2025 Sherry.tree talk contribs 3,627 bytes +93 →Video Solution

27 July 2025

• curprev 05:3005:30, 27 July 2025 Rraayyy talk contribs 3,534 bytes +1 →Solution 2 (Nonrigorous)

23 July 2025

• curprev 18:5418:54, 23 July 2025 Aoum talk contribs 3,533 bytes 0 No edit summary
• curprev 18:5418:54, 23 July 2025 Aoum talk contribs 3,533 bytes 0 No edit summary
• curprev 18:5318:53, 23 July 2025 Aoum talk contribs 3,533 bytes −22 →Solution 2 (Nonrigorous)

14 February 2025

• curprev 23:0323:03, 14 February 2025 Cxnj.aops talk contribs m 3,555 bytes −266 No edit summary

13 February 2025

• curprev 20:5020:50, 13 February 2025 Scthecool talk contribs 3,821 bytes 0 No edit summary
• curprev 20:4920:49, 13 February 2025 Scthecool talk contribs 3,821 bytes 0 No edit summary
• curprev 20:4720:47, 13 February 2025 Scthecool talk contribs 3,821 bytes −29 No edit summary

27 July 2024

• curprev 15:1515:15, 27 July 2024 Mathbrek talk contribs m 3,850 bytes +17 →Solution 3

18 February 2024

• curprev 14:4514:45, 18 February 2024 Levans talk contribs 3,833 bytes +26 →Problem

12 February 2024

• curprev 16:4616:46, 12 February 2024 Bowenna talk contribs 3,807 bytes +9 →Solution 6 (Optimization)
• curprev 16:4616:46, 12 February 2024 Bowenna talk contribs 3,798 bytes −10 →Solution 6 (Optimization)
• curprev 16:4516:45, 12 February 2024 Bowenna talk contribs 3,808 bytes +9 →Solution 6 (Optimization)
• curprev 16:4516:45, 12 February 2024 Bowenna talk contribs m 3,799 bytes +41 →Solution 6 (Optimization)
• curprev 15:2815:28, 12 February 2024 Bowenna talk contribs 3,758 bytes −1 →Solution 6 (Optimization)
• curprev 15:2815:28, 12 February 2024 Bowenna talk contribs 3,759 bytes −26 →Solution 6 (Optimization)
• curprev 15:2815:28, 12 February 2024 Bowenna talk contribs 3,785 bytes +26 →Solution 6 (Optimization)
• curprev 13:3513:35, 12 February 2024 Bowenna talk contribs 3,759 bytes +1 →Solution 6 (Optimization)
• curprev 13:3313:33, 12 February 2024 Bowenna talk contribs 3,758 bytes +13 →Solution 6 (Optimization)
• curprev 13:3313:33, 12 February 2024 Bowenna talk contribs 3,745 bytes +204 No edit summary

30 July 2023

• curprev 02:0202:02, 30 July 2023 Mathbrek talk contribs m 3,541 bytes +13 →Solution 1
• curprev 02:0102:01, 30 July 2023 Mathbrek talk contribs m 3,528 bytes −5 →Solution 1
• curprev 02:0102:01, 30 July 2023 Mathbrek talk contribs m 3,533 bytes −69 →Solution 1

16 July 2022

• curprev 20:5420:54, 16 July 2022 Math4life7 talk contribs m 3,602 bytes −80 →Solution 2 (Nonrigorous)
• curprev 20:5420:54, 16 July 2022 Math4life7 talk contribs m 3,682 bytes +55 →Solution 2 (Nonrigorous)

15 May 2022

• curprev 15:0815:08, 15 May 2022 Longbendy talk contribs 3,627 bytes +21 No edit summary
• curprev 15:0715:07, 15 May 2022 Longbendy talk contribs 3,606 bytes +828 added new solution

20 February 2022

• curprev 11:3711:37, 20 February 2022 Etmetalakret talk contribs 2,778 bytes +749 Added a fourth solution
• curprev 07:4607:46, 20 February 2022 Mathlearner2357 talk contribs m 2,029 bytes +2,019 Undo revision 171626 by Idontlikereggins (talk) Tag: Undo

19 February 2022

• curprev 21:5221:52, 19 February 2022 Idontlikereggins talk contribs 10 bytes −2,019 Replaced content with "НИГЕР" Tag: Replaced

29 July 2021

• curprev 03:4003:40, 29 July 2021 Math-taiwan talk contribs 2,029 bytes −15 →Solution 1
• curprev 03:4003:40, 29 July 2021 Math-taiwan talk contribs 2,044 bytes +84 →Solution 1

18 July 2021

• curprev 21:0521:05, 18 July 2021 StellarG talk contribs m 1,960 bytes +51 →Solution 3

17 February 2021

• curprev 10:1710:17, 17 February 2021 Pog talk contribs 1,909 bytes +278 No edit summary

16 February 2021

• curprev 10:0610:06, 16 February 2021 Captainsnake talk contribs 1,631 bytes +13 →Solution 2 (Nonrigorous)
• curprev 10:0610:06, 16 February 2021 Captainsnake talk contribs m 1,618 bytes +31 →Solution 2: Clarified that this solution isn't rigorous

24 July 2018

• curprev 13:0113:01, 24 July 2018 Lej talk contribs m 1,587 bytes 0 →Solution 1

23 July 2018

• curprev 09:2109:21, 23 July 2018 Qcumber talk contribs m 1,587 bytes +2 →Solution 2: fix minor error

28 August 2017

• curprev 16:2616:26, 28 August 2017 Sjhuang26 talk contribs m 1,585 bytes +1 →Solution

15 February 2017

• curprev 21:2121:21, 15 February 2017 Thunderlight8 talk contribs 1,584 bytes +423 →Solution

23 July 2015

• curprev 19:5019:50, 23 July 2015 Monkeyl talk contribs m 1,161 bytes +7 →Solution

16 May 2015

• curprev 13:4613:46, 16 May 2015 Rafayaashary1 talk contribs m 1,154 bytes +23 →Solution
• curprev 13:4213:42, 16 May 2015 Rafayaashary1 talk contribs m 1,131 bytes +32 →Solution
• curprev 13:4013:40, 16 May 2015 Rafayaashary1 talk contribs m 1,099 bytes +16 →Solution
• curprev 13:3913:39, 16 May 2015 Rafayaashary1 talk contribs 1,083 bytes +277 →Solution

27 March 2015

• curprev 17:5017:50, 27 March 2015 LauraZed talk contribs 806 bytes +169 →Problem

6 January 2015

• curprev 20:5820:58, 6 January 2015 Mathyguy1123 talk contribs 637 bytes −652 →Solution

28 October 2013

• curprev 05:3405:34, 28 October 2013 DANCH talk contribs 1,289 bytes −1 →Solution

3 July 2013

• curprev 19:3419:34, 3 July 2013 Nathan wailes talk contribs 1,290 bytes +15 →See also