Japan Initial Round
9 problems here, rated 3.8 to 7.8 on our scale (AMC 10/12 to National olympiad, round 2). 8 of them ask for a proof.
| # | Topic | Diff | Type | Year | |
|---|---|---|---|---|---|
| 1 | Algebra | 3.8 | answer | 2013 | open |
| 2 | Number theory | 5.7 | proof | 2013 | open |
| 3 | Number theory | 5.9 | proof | 2013 | open |
| 4 | Geometry | 7.0 | proof | 2013 | open |
| 5 | Geometry | 7.0 | proof | 2013 | open |
| 6 | Algebra | 7.4 | proof | 2013 | open |
| 7 | Combinatorics | 7.5 | proof | 2013 | open |
| 8 | Number theory | 7.5 | proof | 2013 | open |
| 9 | Combinatorics | 7.8 | proof | 2013 | 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.