Library /USA Tstst

USA Tstst

29 problems here, rated 5.3 to 7.8 on our scale (AIME, harder to National Olympiad, round 2). 29 of them ask for a proof.

Algebra 4Combinatorics 8Geometry 12Number theory 5

#	Topic	Diff	Type	Year
1	Combinatorics	5.3	proof	—	open
2	Geometry	5.5	proof	—	open
3	Number theory	5.6	proof	—	open
4	Number theory	5.8	proof	—	open
5	Number theory	5.8	proof	—	open
6	Combinatorics	6.0	proof	—	open
7	Geometry	6.0	proof	—	open
8	Combinatorics	6.0	proof	—	open
9	Number theory	6.2	proof	—	open
10	Geometry	6.3	proof	—	open
11	Algebra	6.3	proof	—	open
12	Combinatorics	6.5	proof	—	open
13	Geometry	6.5	proof	—	open
14	Geometry	6.5	proof	—	open
15	Algebra	6.5	proof	—	open
16	Combinatorics	6.6	proof	—	open
17	Geometry	6.7	proof	—	open
18	Algebra	6.8	proof	—	open
19	Algebra	7.0	proof	—	open
20	Combinatorics	7.0	proof	—	open
21	Number theory	7.0	proof	—	open
22	Geometry	7.1	proof	—	open
23	Geometry	7.2	proof	—	open
24	Combinatorics	7.2	proof	—	open
25	Geometry	7.3	proof	—	open
26	Geometry	7.3	proof	—	open
27	Geometry	7.4	proof	—	open
28	Geometry	7.4	proof	—	open
29	Combinatorics	7.8	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.