Art of Problem Solving

Art of Problem Solving

AoPS Online

User contributions for Yiyj1

Results for Yiyj1 talk block log uploads logs

A user with 242 edits. Account created on 24 July 2020.

22:4422:44, 12 October 2025 diff hist −18 m 2009 AMC 10A Problems/Problem 19 →Solution current
22:4222:42, 12 October 2025 diff hist 0 m 2009 AMC 10A Problems/Problem 19 →Solution
22:4022:40, 12 October 2025 diff hist −6 m 2009 AMC 10A Problems/Problem 19 →Solution

18:5418:54, 11 October 2025 diff hist +2 m 2007 AMC 10B Problems fixed quotation marks current

02:0802:08, 30 August 2025 diff hist −1 m Zsigmondy's Theorem Fixed minor LaTeX issues current
02:0702:07, 30 August 2025 diff hist +137 Zsigmondy's Theorem Added a problem (Romania TST 1993)

04:5104:51, 21 August 2025 diff hist +1 m 1995 AIME Problems/Problem 6 Fixed grammar current

05:4205:42, 10 August 2025 diff hist +864 2003 AIME I Problems/Problem 12 Added another solution

13:3813:38, 29 July 2025 diff hist +15 m Barycentric coordinates cleaned up few minor issues
13:2013:20, 29 July 2025 diff hist +41 m Ceva's Theorem Added note about area lemma current
12:1112:11, 29 July 2025 diff hist +172 m Menelaus' Theorem Added proof
00:1300:13, 29 July 2025 diff hist −3 m 2008 USAMO Problems/Problem 2 Undo revision 255859 by Yiyj1 (talk) current Tag: Undo
00:0900:09, 29 July 2025 diff hist +3 m 2008 USAMO Problems/Problem 2 Minor typo
00:0500:05, 29 July 2025 diff hist +763 m 2008 USAMO Problems/Problem 2 Added bary bash from egmo

01:2901:29, 22 July 2025 diff hist +2,891 2009 IMO Problems/Problem 4 Added two solutions current
01:1601:16, 22 July 2025 diff hist +58 N File:2009 IMO P4 (2).png Diagram for solution 2 of 2009 IMO Problem 4 current
01:0201:02, 22 July 2025 diff hist +51 N File:2009 IMO P4 (1).png Diagram for solution 1 of 2009 IMO P4 current

16:2216:22, 21 July 2025 diff hist +2,523 N Gauss-Bodenmiller Theorem Created page current
15:4315:43, 21 July 2025 diff hist +31 m Steiner line Added gauss-bodenmiller theorem. will appear red for a while since I am still creating the page current
15:4315:43, 21 July 2025 diff hist +31 Complete Quadrilateral Added gauss-bodenmiller theorem. will appear red for a while since I am still creating the page current
15:1915:19, 21 July 2025 diff hist −10 m Steiner line removed stub

19:2219:22, 19 July 2025 diff hist +73 2006 IMO Problems/Problem 3 the solution isn't correct current

01:1901:19, 13 April 2025 diff hist +1,551 2013 IMO Problems/Problem 2 added another solution current

15:5115:51, 28 March 2025 diff hist +12 m 1988 AIME Problems/Problem 8 added contrib current
15:4715:47, 28 March 2025 diff hist +1 m 1988 AIME Problems/Problem 8 Fixed latex
15:4615:46, 28 March 2025 diff hist +1,146 1988 AIME Problems/Problem 8 Added proof of uniqueness

00:1200:12, 2 March 2025 diff hist −29 m 1978 IMO Problems/Problem 6 Added sections current

16:1016:10, 2 February 2025 diff hist +12 m 2024 AIME I Problems/Problem 10 ez dubs solution 7
16:0916:09, 2 February 2025 diff hist +479 2024 AIME I Problems/Problem 10 Solution 7 ez dubs solve

20:2920:29, 1 February 2025 diff hist +9 m 2001 AIME II Problems/Problem 15 Table of contents current

15:0315:03, 20 January 2025 diff hist +64 m 2014 AIME I Problems/Problem 10 Changed \overarc to \overset{\frown} since \overarc doesn't work current

00:1100:11, 12 January 2025 diff hist +72 1993 AIME Problems/Problem 10 →Solution 4

00:2500:25, 7 January 2025 diff hist +15 m 2024 AMC 8 No edit summary current

17:0317:03, 3 January 2025 diff hist +1 m User talk:Yiyj1 hi current

16:4616:46, 2 January 2025 diff hist +10 m Area ratios Added stub

18:2718:27, 26 December 2024 diff hist 0 Skew No edit summary current
18:2618:26, 26 December 2024 diff hist +25 m Skew No edit summary
17:3117:31, 26 December 2024 diff hist 0 File:AMC logo.png Yiyj1 uploaded a new version of File:AMC logo.png
15:3515:35, 26 December 2024 diff hist +8 N User:OronSH Created page with "Oron orz" current
01:5701:57, 26 December 2024 diff hist +10 m Quotient Rule stub current
01:0001:00, 26 December 2024 diff hist +1 m Problems Collection minor edit to spacing

23:1023:10, 22 December 2024 diff hist 0 Claude-Louis Navier Fixed link current
23:0923:09, 22 December 2024 diff hist +2 Claude-Louis Navier Ur welcome ;)
23:0823:08, 22 December 2024 diff hist 0 Conjecture Edited link current
23:0723:07, 22 December 2024 diff hist +93 Conjecture Added some conjectures

23:5323:53, 3 December 2024 diff hist −1 m Problems Collection i kinda messed up
23:5323:53, 3 December 2024 diff hist +184 m Problems Collection problem 15 on the aime is rlly ez
23:5123:51, 3 December 2024 diff hist +43 m Problems Collection dim sum
23:5023:50, 3 December 2024 diff hist +22 m Problems Collection hehehe
23:4923:49, 3 December 2024 diff hist +13 m Problems Collection hehehe

Retrieved from "https://artofproblemsolving.com/wiki/index.php?title=Special:Contributions/Yiyj1"

© 2025 AoPS Incorporated