User contributions
- 14:58, 23 June 2022 (diff | hist) . . (0) . . m 1977 USAMO Problems/Problem 1 (→Solution 3) (current)
- 14:53, 23 June 2022 (diff | hist) . . (+971) . . 1977 USAMO Problems/Problem 1 (Added another solution using cyclotomic polynomials)