Library /Croatia Mathematical Competitions

Croatia Mathematical Competitions

21 problems here, rated 4.5 to 6.5 on our scale (AIME to National Olympiad). 21 of them ask for a proof.

Algebra 7Combinatorics 1Geometry 6Number theory 7

#	Topic	Diff	Type	Year
1	Number theory	4.5	proof	—	open
2	Geometry	4.9	proof	—	open
3	Algebra	5.0	proof	—	open
4	Algebra	5.1	proof	—	open
5	Combinatorics	5.3	proof	—	open
6	Number theory	5.3	proof	—	open
7	Number theory	5.4	proof	—	open
8	Geometry	5.5	proof	—	open
9	Number theory	5.5	proof	—	open
10	Number theory	5.5	proof	—	open
11	Algebra	5.5	proof	—	open
12	Number theory	5.5	proof	—	open
13	Number theory	5.6	proof	—	open
14	Geometry	5.7	proof	—	open
15	Algebra	5.7	proof	—	open
16	Geometry	5.8	proof	—	open
17	Algebra	5.8	proof	—	open
18	Geometry	5.9	proof	—	open
19	Geometry	6.0	proof	—	open
20	Algebra	6.3	proof	—	open
21	Algebra	6.5	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.