27 July 2025

• curprev 21:4221:42, 27 July 2025 Szhangmath talk contribs 5,458 bytes −96 →Solution 1

24 July 2025

• curprev 13:1413:14, 24 July 2025 Szhangmath talk contribs 5,554 bytes +96 →Solution 1

5 May 2024

• curprev 12:0812:08, 5 May 2024 Get-rickrolled talk contribs m 5,458 bytes +57 →Solution 3 (Easy Version)

21 June 2020

• curprev 20:0320:03, 21 June 2020 Lopkiloinm talk contribs m 5,401 bytes +2 →Solution 3 (Easy Version)

20 June 2020

• curprev 15:2115:21, 20 June 2020 Angelalz talk contribs m 5,399 bytes +2 →Solution 1
• curprev 15:2015:20, 20 June 2020 Angelalz talk contribs m 5,397 bytes −2 →Video Solution by Richard Rusczyk
• curprev 15:2015:20, 20 June 2020 Angelalz talk contribs m 5,399 bytes −1 →Recursion Solution 2

15 May 2020

• curprev 13:0213:02, 15 May 2020 Dolphin7 talk contribs 5,400 bytes +114 No edit summary

26 January 2020

• curprev 14:4514:45, 26 January 2020 Kevinisawesome talk contribs 5,286 bytes +13 →Recursion Solution II
• curprev 14:4414:44, 26 January 2020 Kevinisawesome talk contribs 5,273 bytes +39 →Recursion Solution II
• curprev 14:4414:44, 26 January 2020 Kevinisawesome talk contribs 5,234 bytes +91 →Recursion Solution II
• curprev 14:4414:44, 26 January 2020 Kevinisawesome talk contribs 5,143 bytes +146 →Recursion Solution II
• curprev 14:4314:43, 26 January 2020 Kevinisawesome talk contribs 4,997 bytes 0 →Recursion Solution II
• curprev 14:4214:42, 26 January 2020 Kevinisawesome talk contribs 4,997 bytes +13 →Recursion Solution II
• curprev 14:4114:41, 26 January 2020 Kevinisawesome talk contribs 4,984 bytes −95 →Recursion Solution II
• curprev 14:4114:41, 26 January 2020 Kevinisawesome talk contribs 5,079 bytes −27 →Recursion Solution II
• curprev 14:4014:40, 26 January 2020 Kevinisawesome talk contribs 5,106 bytes +136 →Recursion Solution II

15 January 2020

• curprev 02:5302:53, 15 January 2020 Kinglogic talk contribs m 4,970 bytes +2 →Solution 3 (Easy Version)

23 December 2019

• curprev 17:3617:36, 23 December 2019 Helloitsaaryan talk contribs m 4,968 bytes +121 Cleaning up the Solution

22 December 2019

• curprev 23:3223:32, 22 December 2019 Mathematicalunicorn talk contribs 4,847 bytes +2 →Solution 3 (Easy Version)
• curprev 23:2023:20, 22 December 2019 Mathematicalunicorn talk contribs 4,845 bytes +2 →Solution 3 (Easy Version)
• curprev 23:1823:18, 22 December 2019 Mathematicalunicorn talk contribs 4,843 bytes +1 →Solution 2 (Easy Version)
• curprev 23:1823:18, 22 December 2019 Mathematicalunicorn talk contribs 4,842 bytes +86 →Solution(Easy Version)
• curprev 19:0419:04, 22 December 2019 Helloitsaaryan talk contribs 4,756 bytes +502 New solution

9 December 2018

• curprev 22:0122:01, 9 December 2018 Jzhang21 talk contribs 4,254 bytes −3 →Recursion Solution II
• curprev 21:5921:59, 9 December 2018 Jzhang21 talk contribs m 4,257 bytes −1 →Recursion Solution II

14 February 2018

• curprev 19:5619:56, 14 February 2018 Smiley Face 23 talk contribs m 4,258 bytes +2 →Recursion Solution II

2 February 2018

• curprev 20:3520:35, 2 February 2018 Expilncalc talk contribs m 4,256 bytes −2 →Recursion Solution II
• curprev 20:3520:35, 2 February 2018 Expilncalc talk contribs 4,258 bytes +1,409 Added solution

3 December 2017

• curprev 22:5722:57, 3 December 2017 Ccx09 talk contribs 2,849 bytes +5 →Solution
• curprev 22:5722:57, 3 December 2017 Ccx09 talk contribs 2,844 bytes +165 →Solution

11 September 2017

• curprev 12:1712:17, 11 September 2017 Hbh567 talk contribs 2,679 bytes −933 →Solution 2
• curprev 11:2911:29, 11 September 2017 Hbh567 talk contribs 3,612 bytes +26 →Solution 2
• curprev 11:2511:25, 11 September 2017 Hbh567 talk contribs 3,586 bytes −81 →Solution 2
• curprev 11:2211:22, 11 September 2017 Hbh567 talk contribs 3,667 bytes +16 →Solution 2
• curprev 11:2111:21, 11 September 2017 Hbh567 talk contribs 3,651 bytes +974 →Solution

5 February 2017

• curprev 23:5823:58, 5 February 2017 Tigershark22 talk contribs 2,677 bytes +5 →Solution

10 March 2015

• curprev 10:3510:35, 10 March 2015 Kaymant talk contribs 2,672 bytes −2 →Problem

5 February 2015

• curprev 00:5500:55, 5 February 2015 Gina talk contribs 2,674 bytes +63 No edit summary

4 February 2015

• curprev 23:3623:36, 4 February 2015 Tonynater talk contribs 2,611 bytes +13 →Problem
• curprev 23:3323:33, 4 February 2015 Tonynater talk contribs m 2,598 bytes −14 →Solution
• curprev 23:3123:31, 4 February 2015 Tonynater talk contribs m 2,612 bytes +2 →Solution
• curprev 23:3023:30, 4 February 2015 Tonynater talk contribs m 2,610 bytes +22 →Solution
• curprev 23:3023:30, 4 February 2015 Tonynater talk contribs m 2,588 bytes 0 →Solution
• curprev 23:2923:29, 4 February 2015 Tonynater talk contribs m 2,588 bytes −3 →Solution
• curprev 23:2923:29, 4 February 2015 Tonynater talk contribs m 2,591 bytes +28 →Solution
• curprev 23:2823:28, 4 February 2015 Tonynater talk contribs m 2,563 bytes −13 →Solution
• curprev 23:2823:28, 4 February 2015 Tonynater talk contribs 2,576 bytes +2,098 →Problem
• curprev 22:4822:48, 4 February 2015 Tonynater talk contribs 478 bytes +478 Added problem.