Library /Cono Sur Olympiad

Cono Sur Olympiad

19 problems here, rated 5.8 to 7.1 on our scale (AIME, harder to National olympiad, round 2).

Algebra 2Combinatorics 7Geometry 4Number theory 6

#	Topic	Diff	Type	Year
1	Geometry	5.8	answer	—	open
2	Number theory	5.8	answer	—	open
3	Geometry	6.0	answer	—	open
4	Algebra	6.0	answer	—	open
5	Number theory	6.1	answer	—	open
6	Number theory	6.1	answer	—	open
7	Number theory	6.2	answer	—	open
8	Number theory	6.2	answer	—	open
9	Number theory	6.3	answer	—	open
10	Combinatorics	6.3	answer	—	open
11	Combinatorics	6.3	answer	—	open
12	Combinatorics	6.3	answer	—	open
13	Combinatorics	6.4	answer	—	open
14	Combinatorics	6.5	answer	—	open
15	Geometry	6.7	answer	—	open
16	Combinatorics	6.8	answer	—	open
17	Combinatorics	6.9	answer	—	open
18	Algebra	7.0	answer	—	open
19	Geometry	7.1	answer	—	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.