User contributions
- 07:30, 5 May 2016 (diff | hist) . . (+1) . . m 2016 USAMO Problems/Problem 2 (→Solution 2 (Controversial))
- 07:29, 5 May 2016 (diff | hist) . . (+4) . . m 2016 USAMO Problems/Problem 2 (→Solution 1)
- 06:50, 5 May 2016 (diff | hist) . . (-1) . . m 2016 USAMO Problems/Problem 2 (→Solution 1)
- 03:34, 14 December 2015 (diff | hist) . . (-56) . . 2008 USAMO Problems/Problem 4 (There are not three solutions but only one!)
- 10:46, 12 December 2015 (diff | hist) . . (+1) . . m 2011 USAMO Problems/Problem 6 (→Minimality)