User contributions
- 04:34, 30 October 2022 (diff | hist) . . (0) . . 1976 IMO Problems/Problem 4 (→Solution 1)
- 04:34, 30 October 2022 (diff | hist) . . (+139) . . m 1976 IMO Problems/Problem 4 (Made solution 1 not fail in the case of n 1 mod 3)
