User contributions
- 00:02, 7 November 2019 (diff | hist) . . (0) . . m 2018 USAMO Problems (→Problem 2)
- 00:01, 7 November 2019 (diff | hist) . . (0) . . m 2018 USAMO Problems (→Problem 2)
- 21:59, 9 January 2019 (diff | hist) . . (+4) . . m 2018 AIME II Problems/Problem 14 (→Solution 1)