My solutions to the 2020 Rudolf Ortvay Competition, in which I won first prize with a top score among undergraduates.

Problems page [pdf]

Problems page [pdf]

- Problem 7 (60 points)
- Problem 11 (100 points and special prize)
- Problem 12 (100 points)
- Problem 13 (100 points)
- Problem 15 (100 points)
- Problem 17 (80 points)
- Problem 19 (100 points)
- Problem 20 (50 points)
- Problem 21 (0 points) oops!
- Problem 22 (100 points)