Library /Regional round

Regional round

44 problems here, rated 4.5 to 7.6 on our scale (AIME to National olympiad, round 2). 44 of them ask for a proof.

Algebra 12Combinatorics 9Geometry 17Number theory 6

#	Topic	Diff	Type	Year
1	Algebra	4.5	proof	—	open
2	Geometry	4.5	proof	—	open
3	Algebra	4.6	proof	—	open
4	Number theory	4.7	proof	—	open
5	Algebra	5.0	proof	—	open
6	Geometry	5.1	proof	—	open
7	Number theory	5.1	proof	—	open
8	Combinatorics	5.2	proof	—	open
9	Algebra	5.2	proof	—	open
10	Geometry	5.3	proof	—	open
11	Combinatorics	5.3	proof	—	open
12	Geometry	5.4	proof	—	open
13	Geometry	5.4	proof	—	open
14	Geometry	5.5	proof	—	open
15	Geometry	5.5	proof	—	open
16	Algebra	5.6	proof	—	open
17	Algebra	5.7	proof	—	open
18	Geometry	5.7	proof	—	open
19	Geometry	5.7	proof	—	open
20	Geometry	5.8	proof	—	open
21	Combinatorics	5.8	proof	—	open
22	Geometry	5.8	proof	—	open
23	Combinatorics	6.0	proof	—	open
24	Algebra	6.0	proof	—	open
25	Combinatorics	6.1	proof	—	open
26	Number theory	6.2	proof	—	open
27	Combinatorics	6.2	proof	—	open
28	Geometry	6.2	proof	—	open
29	Algebra	6.3	proof	—	open
30	Algebra	6.3	proof	—	open
31	Geometry	6.3	proof	—	open
32	Geometry	6.4	proof	—	open
33	Algebra	6.6	proof	—	open
34	Geometry	6.6	proof	—	open
35	Number theory	6.7	proof	—	open
36	Geometry	6.7	proof	—	open
37	Algebra	6.8	proof	—	open
38	Geometry	6.8	proof	—	open
39	Number theory	6.8	proof	—	open
40	Combinatorics	6.9	proof	—	open
41	Combinatorics	7.0	proof	—	open
42	Combinatorics	7.0	proof	—	open
43	Number theory	7.3	proof	—	open
44	Algebra	7.6	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.