12 August 2025

• curprev 11:2811:28, 12 August 2025 MRENTHUSIASM talk contribs 10,068 bytes 0 No edit summary
• curprev 07:3707:37, 12 August 2025 Alexlemon25 talk contribs 10,068 bytes +2 →Solution 1 (Casework) recommended for everyone
• curprev 07:3607:36, 12 August 2025 Alexlemon25 talk contribs 10,066 bytes +3 →Solution 6 (Generating Function)
• curprev 07:3507:35, 12 August 2025 Alexlemon25 talk contribs 10,063 bytes −2 →Solution 2 (Casework)
• curprev 07:3407:34, 12 August 2025 Alexlemon25 talk contribs 10,065 bytes −18 →Solution 2 (Casework)
• curprev 07:3307:33, 12 August 2025 Alexlemon25 talk contribs 10,083 bytes +22 →Solution 2 (Casework)
• curprev 07:3007:30, 12 August 2025 Alexlemon25 talk contribs 10,061 bytes +25 →Solution 1 (Casework)
• curprev 07:2907:29, 12 August 2025 Alexlemon25 talk contribs 10,036 bytes −1 →Solution 1 (Casework)
• curprev 07:2807:28, 12 August 2025 Alexlemon25 talk contribs 10,037 bytes −8 →Problem 25
• curprev 07:2807:28, 12 August 2025 Alexlemon25 talk contribs 10,045 bytes −21 →Problem
• curprev 07:2707:27, 12 August 2025 Alexlemon25 talk contribs 10,066 bytes −14 →Video Solution by OmegaLearn
• curprev 07:2707:27, 12 August 2025 Alexlemon25 talk contribs 10,080 bytes +12 →Video Solution

4 June 2025

• curprev 16:0516:05, 4 June 2025 Aoum talk contribs 10,068 bytes +97 →Categorized problem

29 January 2025

• curprev 22:4622:46, 29 January 2025 Hydromathgod talk contribs 9,971 bytes −6 →Video Solution by Mathionaire (Clear and fast solution)
• curprev 22:4522:45, 29 January 2025 Hydromathgod talk contribs 9,977 bytes +1 →Video Solution by Mathionaire (Clear and fast solution)
• curprev 22:4522:45, 29 January 2025 Hydromathgod talk contribs 9,976 bytes +125 No edit summary

11 January 2025

• curprev 01:0501:05, 11 January 2025 Hsnacademy talk contribs 9,851 bytes +134 →Video Solution by Math-X (First understand the problem!!!)

9 January 2025

• curprev 21:1421:14, 9 January 2025 MRENTHUSIASM talk contribs 9,717 bytes −5 No edit summary
• curprev 17:0117:01, 9 January 2025 Mathlegend23 talk contribs 9,722 bytes +2 →Problem
• curprev 17:0117:01, 9 January 2025 Mathlegend23 talk contribs 9,720 bytes +3 →Solution 1 (Casework)
• curprev 17:0117:01, 9 January 2025 Mathlegend23 talk contribs 9,717 bytes +128 →Problem

5 January 2025

• curprev 13:2313:23, 5 January 2025 Dr david talk contribs 9,589 bytes +62 No edit summary

4 January 2025

• curprev 17:4917:49, 4 January 2025 Biegetomcat72 talk contribs 9,527 bytes −27 →Video Solution

2 June 2024

• curprev 20:4320:43, 2 June 2024 MRENTHUSIASM talk contribs 9,554 bytes +1 →Video Solution
• curprev 15:1215:12, 2 June 2024 Imarul talk contribs 9,553 bytes +2 →Video Solution by SpreadTheMathLove Using States
• curprev 15:1115:11, 2 June 2024 Imarul talk contribs 9,551 bytes +104 No edit summary

18 February 2024

• curprev 21:3821:38, 18 February 2024 Cxsmi talk contribs m 9,447 bytes −4 →Solution 5 (Dynamic Programming)

16 January 2024

• curprev 01:1601:16, 16 January 2024 MRENTHUSIASM talk contribs 9,451 bytes +588 No edit summary

15 January 2024

• curprev 15:1215:12, 15 January 2024 Dodo1120 talk contribs 8,863 bytes +23 →Solution 4 (Recursion)
• curprev 15:1015:10, 15 January 2024 Dodo1120 talk contribs 8,840 bytes −611 →Solution 4 (Recursion)

29 December 2023

• curprev 21:5621:56, 29 December 2023 Electriccube talk contribs 9,451 bytes 0 →Solution 7 (Also Generating Functions)

20 December 2023

• curprev 17:3317:33, 20 December 2023 Littlefox amc talk contribs m 9,451 bytes 0 fixed typo
• curprev 17:1317:13, 20 December 2023 Littlefox amc talk contribs m 9,451 bytes +17 No edit summary
• curprev 17:1317:13, 20 December 2023 Littlefox amc talk contribs 9,434 bytes +1,028 No edit summary

23 November 2023

• curprev 14:0614:06, 23 November 2023 Math-x talk contribs 8,406 bytes +129 No edit summary

15 August 2023

• curprev 01:3501:35, 15 August 2023 Thestudyofeverything talk contribs 8,277 bytes +158 →Remark

15 April 2023

• curprev 18:5418:54, 15 April 2023 Supermathking talk contribs 8,119 bytes +8 →Video Solution

2 March 2023

• curprev 01:0401:04, 2 March 2023 Sujoyg talk contribs 8,111 bytes −1,156 →Solution 7 (Simple Enumeration)

28 February 2023

• curprev 00:3000:30, 28 February 2023 MRENTHUSIASM talk contribs 9,267 bytes +151 →Solution 7 (Simple Enumeration): Reformatted a bit.
• curprev 00:0500:05, 28 February 2023 Sujoyg talk contribs 9,116 bytes +1,005 No edit summary

27 February 2023

• curprev 23:5923:59, 27 February 2023 MRENTHUSIASM talk contribs 8,111 bytes −975 →Solution 7 (Simple Enumeration): Sorry to delete this hardworking solution, but Sols 1 and 7 are very similar. To keep the page clean I decided to remove it.
• curprev 16:0516:05, 27 February 2023 Sujoyg talk contribs 9,086 bytes 0 →Solution 7 (Simple Enumeration)
• curprev 16:0516:05, 27 February 2023 Sujoyg talk contribs 9,086 bytes +61 →Solution 7 (Simple Enumeration)
• curprev 12:5312:53, 27 February 2023 Sujoyg talk contribs 9,025 bytes +39 →Solution 7 (Simple Enumeration)
• curprev 12:3612:36, 27 February 2023 Sujoyg talk contribs 8,986 bytes −79 →Solution 7 (Simple Enumeration)
• curprev 12:2812:28, 27 February 2023 Sujoyg talk contribs 9,065 bytes −141 →Solution 7 (Simple Enumeration)
• curprev 12:2612:26, 27 February 2023 Sujoyg talk contribs 9,206 bytes +49 →Solution 7 (Simple Enumeration)
• curprev 12:2512:25, 27 February 2023 Sujoyg talk contribs 9,157 bytes +1,046 No edit summary

28 January 2023

• curprev 19:1919:19, 28 January 2023 Bloggish talk contribs m 8,111 bytes −1 →Solution 3 (Complement)
• curprev 19:1819:18, 28 January 2023 Bloggish talk contribs m 8,112 bytes −1 →Solution 3 (Complement)