27 July 2025

• curprev 15:4115:41, 27 July 2025 Not detriti talk contribs m 3,118 bytes −88 slightly simplify solution 3
• curprev 15:1815:18, 27 July 2025 Not detriti talk contribs 3,206 bytes +714 added solution 3

19 November 2023

• curprev 00:1600:16, 19 November 2023 Tomasdiaz talk contribs 2,492 bytes +66 No edit summary

5 July 2022

• curprev 20:2820:28, 5 July 2022 Th1nq3r talk contribs 2,426 bytes −1 →Solution 2
• curprev 20:2820:28, 5 July 2022 Th1nq3r talk contribs 2,427 bytes +47 →Solution 2
• curprev 20:2820:28, 5 July 2022 Th1nq3r talk contribs 2,380 bytes +1,217 →Solution

10 July 2012

• curprev 12:0312:03, 10 July 2012 JBL talk contribs m 1,163 bytes −52 No edit summary

23 July 2009

• curprev 05:2305:23, 23 July 2009 Bugi talk contribs 1,215 bytes −24 →Solution
• curprev 05:2305:23, 23 July 2009 Bugi talk contribs 1,239 bytes +52 →Problem
• curprev 05:1405:14, 23 July 2009 Bugi talk contribs 1,187 bytes +867 →Problem
• curprev 05:0805:08, 23 July 2009 Bugi talk contribs 320 bytes +320 Created page with '== Problem == Let <math>n</math> be a positive integer and let <math>a_1,\ldots,a_k (k\ge2)</math> be distinct integers in the set <math>\{1,\ldots,n\}</math> such that <math>n…'