User contributions
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- 08:23, 23 June 2023 (diff | hist) . . (+608) . . N 2021 IMO Shortlist Problems/C2 (Created page with "==Problem== Let <math>n\ge 3</math> be an integer. An integer <math>m\ge n-1</math> is called <math>n</math>-colourful if, given infinitely many marbles in each of <math>n</ma...")
- 08:21, 23 June 2023 (diff | hist) . . (0) . . 2021 IMO Shortlist Problems (current)
- 08:20, 23 June 2023 (diff | hist) . . (-4) . . 2021 IMO Shortlist Problems
- 08:20, 23 June 2023 (diff | hist) . . (+162) . . N 2021 IMO Shortlist Problems (Created page with "Problems from the 2011 IMO Shortlist. == Algebra == == Combinatorics == * C2 == Geometry == == Number Theory ==")
- 08:19, 23 June 2023 (diff | hist) . . (+328) . . IMO Shortlist Problems (current)
- 10:13, 9 June 2023 (diff | hist) . . (+128) . . Fermat's Last Theorem (current)
- 20:37, 2 April 2023 (diff | hist) . . (+609) . . N 2023 USAMO Problems/Problem 5 (Created page with "==Problem== Let <math>n\geq3</math> be an integer. We say that an arrangement of the numbers <math>1</math>, <math>2</math>, <math>\dots</math>, <math>n^2</math> in a <math>n...")
- 20:37, 2 April 2023 (diff | hist) . . (+820) . . N 2023 USAMO Problems/Problem 4 (Created page with "==Problem== A positive integer <math>a</math> is selected, and some positive integers are written on a board. Alice and Bob play the following game. On Alice's turn, she must...")
- 20:34, 2 April 2023 (diff | hist) . . (+16) . . USAMO Problems and Solutions
- 08:36, 25 July 2022 (diff | hist) . . (+6) . . 2022 IMO Problems/Problem 4
- 05:50, 23 July 2022 (diff | hist) . . (+114) . . 2022 IMO Problems/Problem 6
- 05:49, 23 July 2022 (diff | hist) . . (+235) . . N 2022 IMO Problems/Problem 5 (Created page with "==Problem== Find all triples <math>(a,b,p)</math> of positive integers with <math>p</math> prime and <cmath>a^p = b! + p</cmath> ==Solution== https://www.youtube.com/watch?v=...")
- 05:47, 23 July 2022 (diff | hist) . . (0) . . 2022 IMO Problems/Problem 4
- 05:47, 23 July 2022 (diff | hist) . . (+376) . . 2022 IMO Problems/Problem 4
- 08:39, 16 July 2022 (diff | hist) . . (+470) . . N 2022 IMO Problems/Problem 3 (Created page with "==Problem== Let <math>k</math> be a positive integer and let <math>S</math> be a finite set of odd prime numbers. Prove that there is at most one way (up to rotation and refle...")
- 08:37, 16 July 2022 (diff | hist) . . (+410) . . N 2022 IMO Problems/Problem 2 (Created page with "==Problem== Let <math>\mathbb{R}^+</math> denote the set of positive real numbers. Find all functions <math>f : \mathbb{R}^+ \to \mathbb{R}^+</math> such that for each <math>x...")
- 08:36, 16 July 2022 (diff | hist) . . (+1,050) . . N 2022 IMO Problems/Problem 1 (Created page with "==Problem== The Bank of Oslo issues two types of coin: aluminium (denoted A) and bronze (denoted B). Marianne has <math>n</math> aluminium coins and <math>n</math> bronze coin...")
- 08:33, 16 July 2022 (diff | hist) . . (+316) . . IMO Problems and Solutions
- 22:08, 26 March 2022 (diff | hist) . . (+16) . . USAMO Problems and Solutions
- 22:07, 26 March 2022 (diff | hist) . . (+506) . . N 2022 USAMO Problems/Problem 1 (Created page with "==Problem== Let <math>a</math> and <math>b</math> be positive integers. The cells of an <math>(a+b+1)\times (a+b+1)</math> grid are colored amber and bronze such that there ar...")
- 09:21, 19 February 2022 (diff | hist) . . (+64) . . 2022 AIME II Problems/Problem 10
- 20:48, 18 September 2021 (diff | hist) . . (0) . . 2021 AMC 12A Problems/Problem 25
- 20:45, 18 September 2021 (diff | hist) . . (+66) . . 2020 AIME I Problems/Problem 12
- 00:57, 2 August 2021 (diff | hist) . . (-15) . . 2021 IMO Problems/Problem 6
- 00:57, 2 August 2021 (diff | hist) . . (-15) . . 2021 IMO Problems/Problem 5
- 00:56, 2 August 2021 (diff | hist) . . (-15) . . 2021 IMO Problems/Problem 4
- 23:03, 30 July 2021 (diff | hist) . . (+3) . . 2021 IMO Problems/Problem 6 (→Problem)
- 23:02, 30 July 2021 (diff | hist) . . (+483) . . N 2021 IMO Problems/Problem 6 (Created page with "==Problem== Let <math>m>2</math> be an integer, <math>A</math> be a finite set of (not necessarily positive) integers, and <math>B_1,B_2,B_3,...,B_m</math> be subsets of <math...")
- 23:00, 30 July 2021 (diff | hist) . . (+23) . . 2021 IMO Problems/Problem 5 (→Video Solution)
- 23:00, 30 July 2021 (diff | hist) . . (+104) . . 2021 IMO Problems/Problem 5
- 22:59, 30 July 2021 (diff | hist) . . (+53) . . 2021 IMO Problems/Problem 4
- 00:58, 28 July 2021 (diff | hist) . . (+1) . . 2021 IMO Problems/Problem 2 (→Video solutions)
- 00:58, 28 July 2021 (diff | hist) . . (-12) . . 2021 IMO Problems/Problem 2 (Consolidate video solutions under one category)
- 10:29, 24 July 2021 (diff | hist) . . (+780) . . N 2021 IMO Problems/Problem 3 (Created page)
- 10:26, 24 July 2021 (diff | hist) . . (+2) . . 2021 IMO Problems/Problem 1
- 10:25, 24 July 2021 (diff | hist) . . (-39) . . 2021 IMO Problems/Problem 1
- 10:24, 24 July 2021 (diff | hist) . . (+299) . . N 2021 IMO Problems/Problem 2 (Created page)
- 19:56, 14 March 2021 (diff | hist) . . (0) . . 2021 AMC 12A Problems/Problem 25 (→Video Solutions)
- 08:29, 19 February 2021 (diff | hist) . . (+2) . . 2021 AMC 12A Problems/Problem 25 (→Video Solutions)
- 08:28, 19 February 2021 (diff | hist) . . (-70) . . 2021 AMC 12A Problems/Problem 25
- 07:38, 14 February 2021 (diff | hist) . . (+66) . . 2021 AMC 12A Problems/Problem 25
- 06:27, 26 November 2020 (diff | hist) . . (+67) . . 2001 IMO Problems/Problem 3 (current)
- 06:09, 26 November 2020 (diff | hist) . . (+85) . . 2020 IMO Problems/Problem 2
- 01:22, 27 October 2020 (diff | hist) . . (+86) . . 2020 IMO Problems/Problem 2
- 01:21, 27 October 2020 (diff | hist) . . (+86) . . 2020 IMO Problems/Problem 3
- 22:09, 12 October 2020 (diff | hist) . . (+100) . . 2020 IMO Problems/Problem 4
- 22:09, 12 October 2020 (diff | hist) . . (+100) . . 2020 IMO Problems/Problem 5
- 06:27, 12 October 2020 (diff | hist) . . (+100) . . 2020 IMO Problems/Problem 6
- 21:43, 3 October 2020 (diff | hist) . . (+1) . . 2020 IMO Problems/Problem 1 (→Video solution)
- 21:43, 3 October 2020 (diff | hist) . . (+81) . . 2020 IMO Problems/Problem 1 (→Video solution)
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