Centroamerican Olympiad
10 problems here, rated 5.8 to 7.2 on our scale (AIME, harder to National Olympiad, round 2).
| # | Topic | Diff | Type | Year | |
|---|---|---|---|---|---|
| 1 | Algebra | 5.8 | answer | — | open |
| 2 | Combinatorics | 6.1 | answer | — | open |
| 3 | Combinatorics | 6.2 | answer | — | open |
| 4 | Number theory | 6.4 | answer | — | open |
| 5 | Combinatorics | 6.7 | answer | — | open |
| 6 | Combinatorics | 6.7 | answer | — | open |
| 7 | Algebra | 6.8 | answer | — | open |
| 8 | Algebra | 6.8 | answer | — | open |
| 9 | Algebra | 6.9 | answer | — | open |
| 10 | Algebra | 7.2 | 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.