Baltic Way Shortlisted Problems
13 problems here, rated 7.5 to 8.9 on our scale (National Olympiad, round 2 to Shortlist). 13 of them ask for a proof.
| # | Topic | Diff | Type | Year | |
|---|---|---|---|---|---|
| 1 | Algebra | 7.5 | proof | 2015 | open |
| 2 | Combinatorics | 7.5 | proof | 2015 | open |
| 3 | Combinatorics | 7.6 | proof | 2015 | open |
| 4 | Algebra | 7.6 | proof | 2015 | open |
| 5 | Algebra | 7.7 | proof | 2015 | open |
| 6 | Algebra | 7.7 | proof | 2015 | open |
| 7 | Algebra | 7.8 | proof | 2015 | open |
| 8 | Combinatorics | 7.8 | proof | 2015 | open |
| 9 | Combinatorics | 8.1 | proof | 2015 | open |
| 10 | Algebra | 8.2 | proof | 2015 | open |
| 11 | Algebra | 8.3 | proof | 2015 | open |
| 12 | Algebra | 8.7 | proof | 2015 | open |
| 13 | Combinatorics | 8.9 | proof | 2015 | 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.