MEMO

8 problems here, rated 6.2 to 7.9 on our scale (National Olympiad to National Olympiad, round 2). 8 of them ask for a proof.

Algebra 1Combinatorics 4Geometry 1Number theory 2

#	Topic	Diff	Type	Year
1	Number theory	6.2	proof	—	open
2	Combinatorics	7.3	proof	—	open
3	Combinatorics	7.5	proof	—	open
4	Combinatorics	7.6	proof	—	open
5	Combinatorics	7.6	proof	—	open
6	Geometry	7.7	proof	—	open
7	Number theory	7.8	proof	—	open
8	Algebra	7.9	proof	—	open

These are sorted by difficulty within the competition, but they aren't a course. The track is the route through, drawn from all the sources at once.