Baltic Way 2022 · Problem 8
Combinatorics
For a natural number , we draw internal diagonals in a non self-intersecting, but not necessarily convex, -gon, cutting the -gon into triangles. It is known that the value (in degrees) of any angle in any of these triangles is a natural number and no two of these angle values are equal. What is the largest possible value of ?
When you’re ready
Review material becomes available with the next Daily.
Review
Topics
Graph theory · Pigeonhole and extremal arguments
Solutions
No verified local solution is currently available.
Contest context
Results from Baltic Way 2022
10 teams
- Mean score
- 1.1 / 5
- Scores of 4 or 5
- 0 / 10
- Estonia
- 0 / 5
Score distribution
04
13
21
32
40
50
All team scores
| Team | Score |
|---|---|
| Poland | 3 / 5 |
| Germany | 1 / 5 |
| Lithuania | 3 / 5 |
| Estonia | 0 / 5 |
| Denmark | 0 / 5 |
| Latvia | 1 / 5 |
| Sweden | 1 / 5 |
| Norway | 2 / 5 |
| Finland | 0 / 5 |
| Iceland | 0 / 5 |