25 August 2025

• curprev 05:2905:29, 25 August 2025 Son of newton talk contribs m 1,481 bytes +33 →Solution

3 May 2024

• curprev 20:4220:42, 3 May 2024 Cxsmi talk contribs m 1,448 bytes +13 →Problem

4 April 2024

• curprev 12:4512:45, 4 April 2024 Cxsmi talk contribs m 1,435 bytes +60 →Solution 3

20 January 2024

• curprev 00:4100:41, 20 January 2024 Cxsmi talk contribs m 1,375 bytes +16 No edit summary
• curprev 00:4000:40, 20 January 2024 Cxsmi talk contribs 1,359 bytes +283 No edit summary

24 December 2022

• curprev 16:0216:02, 24 December 2022 Xiaoxiaoxiong talk contribs m 1,076 bytes +6 →Solution 2: grammar clarity issue fixed
• curprev 16:0116:01, 24 December 2022 Xiaoxiaoxiong talk contribs m 1,070 bytes +12 →Solution 2: grammar clarity issue fixed

29 June 2018

• curprev 00:0800:08, 29 June 2018 Jazzachi talk contribs 1,058 bytes +55 →Solution 2
• curprev 00:0800:08, 29 June 2018 Jazzachi talk contribs 1,003 bytes +54 Clarified point, removed label

7 February 2018

• curprev 00:3500:35, 7 February 2018 Ccx09 talk contribs 949 bytes +274 →Solution

5 July 2013

• curprev 11:3011:30, 5 July 2013 Nathan wailes talk contribs 675 bytes +15 No edit summary

23 April 2012

• curprev 10:2010:20, 23 April 2012 1=2 talk contribs 660 bytes +442 Added a solution to the problem. Lots of these problems don't even have solution sections.

18 January 2012

• curprev 12:4412:44, 18 January 2012 Mrdavid445 talk contribs 218 bytes +218 Created page with "==Problem== The number of diagonals that can be drawn in a polygon of 100 sides is: <math>\textbf{(A)}\ 4850 \qquad \textbf{(B)}\ 4950\qquad \textbf{(C)}\ 9900 \qquad \textbf{(..."