13 October 2023

• curprev 20:0720:07, 13 October 2023 Aliz talk contribs 8,759 bytes +5 →Solution 2 (Lazy)

31 August 2023

• curprev 11:1411:14, 31 August 2023 Daijobu talk contribs m 8,754 bytes +103 No edit summary

23 July 2023

• curprev 13:2913:29, 23 July 2023 Beishexi talk contribs 8,651 bytes +337 →Solution (Official Solution, MAA)

24 November 2022

• curprev 02:5402:54, 24 November 2022 Sugar rush talk contribs 8,314 bytes +82 No edit summary

25 January 2022

• curprev 17:3917:39, 25 January 2022 Shihan talk contribs 8,232 bytes −339 →Solution 1

5 January 2022

• curprev 18:4418:44, 5 January 2022 Shihan talk contribs m 8,571 bytes +1 →Solution (Official Solution, MAA)
• curprev 18:4418:44, 5 January 2022 Shihan talk contribs 8,570 bytes −45 →Solution (Official Solution, MAA)
• curprev 18:4318:43, 5 January 2022 Shihan talk contribs 8,615 bytes −6 →Solution (Official Solution, MAA)
• curprev 18:4218:42, 5 January 2022 Shihan talk contribs 8,621 bytes +2,692 →Solution 1
• curprev 18:3618:36, 5 January 2022 Shihan talk contribs 5,929 bytes 0 →Solution 1
• curprev 18:3618:36, 5 January 2022 Shihan talk contribs 5,929 bytes +1 →Solution
• curprev 18:3618:36, 5 January 2022 Shihan talk contribs 5,928 bytes +4 →Lazy Solution

31 December 2021

• curprev 15:0315:03, 31 December 2021 Shihan talk contribs m 5,924 bytes +27 →Solution
• curprev 13:0313:03, 31 December 2021 Shihan talk contribs m 5,897 bytes −30 →Solution
• curprev 12:0812:08, 31 December 2021 Shihan talk contribs m 5,927 bytes +5 →Solution
• curprev 12:0612:06, 31 December 2021 Shihan talk contribs m 5,922 bytes +905 →Solution

25 February 2021

• curprev 02:5302:53, 25 February 2021 Shihan talk contribs m 5,017 bytes +191 →Solution 3
• curprev 02:5002:50, 25 February 2021 Shihan talk contribs m 4,826 bytes +14 →Solution 3

26 December 2020

• curprev 18:5818:58, 26 December 2020 Alexlikemath talk contribs 4,812 bytes +27 No edit summary
• curprev 18:5518:55, 26 December 2020 Alexlikemath talk contribs 4,785 bytes +688 No edit summary

7 July 2020

• curprev 18:3818:38, 7 July 2020 Hi13 talk contribs m 4,097 bytes +20 →Solution

1 December 2019

• curprev 11:5711:57, 1 December 2019 Aops81240813 talk contribs m 4,077 bytes +11 →Solution

19 March 2018

• curprev 13:5613:56, 19 March 2018 Go1331 talk contribs m 4,066 bytes 0 →Solution

26 December 2017

• curprev 21:5521:55, 26 December 2017 Itised talk contribs m 4,066 bytes +11 →Solution

25 December 2017

• curprev 18:3518:35, 25 December 2017 Anser talk contribs m 4,055 bytes +4 No edit summary

22 August 2016

• curprev 15:1215:12, 22 August 2016 Jskalarickal talk contribs 4,051 bytes +5 →Strategy

14 February 2016

• curprev 13:3313:33, 14 February 2016 FractalMathHistory talk contribs 4,046 bytes 0 →Strategy
• curprev 13:3213:32, 14 February 2016 FractalMathHistory talk contribs 4,046 bytes −215 →Strategy
• curprev 13:0813:08, 14 February 2016 FractalMathHistory talk contribs 4,261 bytes +81 →Strategy
• curprev 13:0613:06, 14 February 2016 FractalMathHistory talk contribs 4,180 bytes +42 →Strategy
• curprev 13:0513:05, 14 February 2016 FractalMathHistory talk contribs 4,138 bytes +30 →Strategy
• curprev 13:0513:05, 14 February 2016 FractalMathHistory talk contribs 4,108 bytes +1,128 →Solution

8 February 2015

• curprev 12:4512:45, 8 February 2015 Drywood talk contribs 2,980 bytes +52 →Solution
• curprev 12:4312:43, 8 February 2015 Drywood talk contribs 2,928 bytes +274 →Solution
• curprev 12:0712:07, 8 February 2015 Drywood talk contribs m 2,654 bytes +1 →Solution

23 March 2014

• curprev 21:5021:50, 23 March 2014 Dcstup talk contribs 2,653 bytes +1,234 No edit summary

21 March 2014

• curprev 00:1600:16, 21 March 2014 Ultrasonic360 talk contribs 1,419 bytes −787 →Solution
• curprev 00:0100:01, 21 March 2014 Ultrasonic360 talk contribs 2,206 bytes +531 →Solution

20 March 2014

• curprev 23:5223:52, 20 March 2014 Ultrasonic360 talk contribs 1,675 bytes +1 →Solution
• curprev 23:5123:51, 20 March 2014 Ultrasonic360 talk contribs 1,674 bytes +255 →Solution

15 March 2014

• curprev 20:5620:56, 15 March 2014 Gamjawon talk contribs 1,419 bytes −918 →Solution
• curprev 20:5620:56, 15 March 2014 Gamjawon talk contribs 2,337 bytes +8 →Solution
• curprev 20:5520:55, 15 March 2014 Gamjawon talk contribs 2,329 bytes +781 →Solution
• curprev 20:5120:51, 15 March 2014 Gamjawon talk contribs 1,548 bytes +2 →Solution
• curprev 20:5020:50, 15 March 2014 Gamjawon talk contribs 1,546 bytes +127 →Solution

14 March 2014

• curprev 18:5918:59, 14 March 2014 Mathmaster2012 talk contribs 1,419 bytes +1,311 No edit summary
• curprev 18:4518:45, 14 March 2014 Mathmaster2012 talk contribs 108 bytes +76 No edit summary
• curprev 09:4709:47, 14 March 2014 Mathmaster2012 talk contribs 32 bytes +32 Created page with "== Problem 13 == == Solution =="