# User contributions

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- 01:40, 3 November 2011 (diff | hist) . . (-95) . . 1991 AIME Problems/Problem 11 (→Solution)
- 01:40, 3 November 2011 (diff | hist) . . (+6) . . 1991 AIME Problems/Problem 11 (→Problem)
- 01:38, 3 November 2011 (diff | hist) . . (0) . . File:AIME 1991 Problem 11.png (uploaded a new version of "File:AIME 1991 Problem 11.png": Better diagram) (current)
- 01:23, 3 November 2011 (diff | hist) . . (0) . . File:AIME 1991 Problem 11.png (uploaded a new version of "File:AIME 1991 Problem 11.png": Better diagram)
- 01:19, 3 November 2011 (diff | hist) . . (+14) . . N File:AIME 1991 Problem 11.png (Better diagram)
- 23:40, 10 May 2011 (diff | hist) . . (+44) . . 2010 AIME I Problems/Problem 14 (→Solution 3)
- 23:32, 10 May 2011 (diff | hist) . . (-434) . . 2010 AIME I Problems/Problem 14 (→Solution 3)
- 19:33, 9 May 2011 (diff | hist) . . (+25) . . 1988 IMO Problems/Problem 1 (→Problem)
- 19:27, 9 May 2011 (diff | hist) . . (+83) . . 1988 IMO Problems/Problem 1 (→Solution)
- 19:00, 9 May 2011 (diff | hist) . . (+11) . . 1988 IMO Problems/Problem 1
- 11:47, 6 May 2011 (diff | hist) . . (+163) . . 2011 USAMO Problems/Problem 4 (→Solution)
- 14:33, 5 May 2011 (diff | hist) . . (+11) . . 2011 USAMO Problems/Problem 6 (→Minimality)
- 14:33, 5 May 2011 (diff | hist) . . (+33) . . 2011 USAMO Problems/Problem 6 (→Minimality)
- 14:32, 5 May 2011 (diff | hist) . . (+11) . . 2011 USAMO Problems/Problem 6 (→Existence)
- 14:31, 5 May 2011 (diff | hist) . . (+11) . . 2011 USAMO Problems/Problem 6 (→Existence)
- 14:31, 5 May 2011 (diff | hist) . . (+12) . . 2011 USAMO Problems/Problem 6 (→Minimality)
- 14:29, 5 May 2011 (diff | hist) . . (-2) . . 2011 USAMO Problems/Problem 6 (→Minimality)
- 14:28, 5 May 2011 (diff | hist) . . (-4) . . 2011 USAMO Problems/Problem 6 (→Solution)
- 17:46, 3 May 2011
(diff | hist) . .
**(+3,797)** . . N 2011 USAMO Problems/Problem 6 (Created page with '==Problem== Let <math>A</math> be a set with <math>|A| = 225</math>, meaning that <math>A</math> has 225 elements. Suppose further that there are eleven subsets <math>A_1</math>…') - 10:42, 29 April 2011 (diff | hist) . . (+35) . . m 2011 USAMO Problems/Problem 2 (→See also)
- 10:42, 29 April 2011 (diff | hist) . . (+35) . . m 2011 USAMO Problems/Problem 4 (→See also)
- 10:38, 29 April 2011 (diff | hist) . . (+57) . . 2011 USAMO Problems/Problem 4 (Added footer)
- 10:37, 29 April 2011 (diff | hist) . . (+57) . . m 2011 USAMO Problems/Problem 2 (Added footer)
- 10:36, 29 April 2011 (diff | hist) . . (+82) . . m 2011 USAMO Problems/Problem 1 (Added footer)
- 10:29, 29 April 2011
(diff | hist) . .
**(+1,487)** . . N 2011 USAMO Problems/Problem 4 (Since 2^n is 1 mod (2^n-1), reduce the exponent mod n, we can't win with n prime, but n=p^2 will do...) - 10:22, 29 April 2011
(diff | hist) . .
**(+3,379)** . . 2011 USAMO Problems/Problem 2 (Zeroing adjacent vertices and looking at how the opposites become winnable solves the problem) - 10:11, 29 April 2011 (diff | hist) . . (-4) . . m 2011 USAMO Problems (Corrected typo.)
- 10:09, 29 April 2011
(diff | hist) . .
**(+694)** . . N 2011 USAMO Problems/Problem 2 (Created page with '==Problem== An integer is assigned to each vertex of a regular pentagon so that the sum of the five integers is 2011. A turn of a solitaire game consists of subtracting an intege…') - 10:06, 29 April 2011
(diff | hist) . .
**(+1,978)** . . N 2011 USAMO Problems/Problem 1 (Solution by change of variables and AM-GM) - 00:05, 3 April 2011 (diff | hist) . . (+481) . . 2011 AIME II Problems/Problem 2
- 14:42, 2 April 2011 (diff | hist) . . (+4) . . 2011 AIME II Problems/Problem 9 (→Solution)
- 01:00, 2 April 2011
(diff | hist) . .
**(+1,230)** . . 2011 AIME II Problems/Problem 12 - 00:30, 2 April 2011 (diff | hist) . . (-7) . . 2011 AIME II Problems/Problem 3
- 00:20, 2 April 2011 (diff | hist) . . (+140) . . 2011 AIME II Problems/Problem 1
- 00:08, 2 April 2011 (diff | hist) . . (+29) . . 2011 AIME II Problems/Problem 6 (→Solution)
- 00:05, 2 April 2011
(diff | hist) . .
**(-776)** . . 2011 AIME II Problems/Problem 6 - 23:41, 1 April 2011 (diff | hist) . . (-4) . . 2011 AIME II Problems/Problem 9 (→Solution)
- 23:38, 1 April 2011
(diff | hist) . .
**(+529)** . . 2011 AIME II Problems/Problem 9 (→Solution) - 22:42, 1 April 2011
(diff | hist) . .
**(+948)** . . 2011 AIME II Problems/Problem 9 - 16:47, 1 April 2011 (diff | hist) . . (0) . . 2011 AIME II Problems/Problem 9
- 16:46, 1 April 2011 (diff | hist) . . (+14) . . 2011 AIME II Problems (→Problem 9)
- 16:45, 1 April 2011 (diff | hist) . . (+53) . . 2011 AIME II Problems/Problem 9
- 16:03, 26 March 2011 (diff | hist) . . (+69) . . 1983 AIME Problems/Problem 11 (→Solution 1)
- 15:59, 26 March 2011 (diff | hist) . . (+33) . . 1983 AIME Problems/Problem 11 (→Problem)
- 15:44, 26 March 2011 (diff | hist) . . (+27) . . 1983 AIME Problems (Asy now compiles and gives sensible output)
- 14:18, 14 May 2010 (diff | hist) . . (+6) . . USAJMO Problems and Solutions
- 00:18, 14 May 2010 (diff | hist) . . (0) . . 2005 AIME II Problems/Problem 15 (→Problem)
- 18:48, 12 May 2010 (diff | hist) . . (+85) . . 2010 USAMO Problems/Problem 4 (TeX cleanup)
- 18:42, 12 May 2010 (diff | hist) . . (+2) . . 2010 USAMO Problems/Problem 4 (→Solution)
- 18:37, 12 May 2010
(diff | hist) . .
**(+4,571)** . . 2010 USAMO Problems/Problem 4 (→Solution)

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