Junior Balkan Mathematics Olympiad
16 problems here, rated 4.6 to 7.4 on our scale (AIME to National Olympiad, round 2). 16 of them ask for a proof.
| # | Topic | Diff | Type | Year | |
|---|---|---|---|---|---|
| 1 | Algebra | 4.6 | proof | — | open |
| 2 | Number theory | 5.2 | proof | — | open |
| 3 | Combinatorics | 5.4 | proof | — | open |
| 4 | Number theory | 5.5 | proof | — | open |
| 5 | Number theory | 5.6 | proof | — | open |
| 6 | Number theory | 5.9 | proof | — | open |
| 7 | Geometry | 6.2 | proof | — | open |
| 8 | Geometry | 6.4 | proof | — | open |
| 9 | Geometry | 6.7 | proof | — | open |
| 10 | Geometry | 6.7 | proof | — | open |
| 11 | Combinatorics | 6.9 | proof | — | open |
| 12 | Number theory | 7.0 | proof | — | open |
| 13 | Combinatorics | 7.0 | proof | — | open |
| 14 | Algebra | 7.1 | proof | — | open |
| 15 | Algebra | 7.1 | proof | — | open |
| 16 | Combinatorics | 7.4 | 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.