User contributions
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- 15:33, 5 May 2011 (diff | hist) . . (+33) . . 2011 USAMO Problems/Problem 6 (→Minimality)
- 15:32, 5 May 2011 (diff | hist) . . (+11) . . 2011 USAMO Problems/Problem 6 (→Existence)
- 15:31, 5 May 2011 (diff | hist) . . (+11) . . 2011 USAMO Problems/Problem 6 (→Existence)
- 15:31, 5 May 2011 (diff | hist) . . (+12) . . 2011 USAMO Problems/Problem 6 (→Minimality)
- 15:29, 5 May 2011 (diff | hist) . . (-2) . . 2011 USAMO Problems/Problem 6 (→Minimality)
- 15:28, 5 May 2011 (diff | hist) . . (-4) . . 2011 USAMO Problems/Problem 6 (→Solution)
- 18:46, 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>…')
- 11:42, 29 April 2011 (diff | hist) . . (+35) . . m 2011 USAMO Problems/Problem 2 (→See also)
- 11:42, 29 April 2011 (diff | hist) . . (+35) . . m 2011 USAMO Problems/Problem 4 (→See also)
- 11:38, 29 April 2011 (diff | hist) . . (+57) . . 2011 USAMO Problems/Problem 4 (Added footer)
- 11:37, 29 April 2011 (diff | hist) . . (+57) . . m 2011 USAMO Problems/Problem 2 (Added footer)
- 11:36, 29 April 2011 (diff | hist) . . (+82) . . m 2011 USAMO Problems/Problem 1 (Added footer)
- 11:29, 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...)
- 11:22, 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)
- 11:11, 29 April 2011 (diff | hist) . . (-4) . . m 2011 USAMO Problems (Corrected typo.)
- 11:09, 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…')
- 11:06, 29 April 2011 (diff | hist) . . (+1,978) . . N 2011 USAMO Problems/Problem 1 (Solution by change of variables and AM-GM)
- 01:05, 3 April 2011 (diff | hist) . . (+481) . . 2011 AIME II Problems/Problem 2
- 15:42, 2 April 2011 (diff | hist) . . (+4) . . 2011 AIME II Problems/Problem 9 (→Solution)
- 02:00, 2 April 2011 (diff | hist) . . (+1,230) . . 2011 AIME II Problems/Problem 12
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