Single-track railway
problem — every listed problem · all sets
- internal id
- p-f16c4b58
- appearances
- cerc-2021 (cerc-2021) — K
- held
- not recorded yet
- solve online
- Codeforces Gym id 104797/K
- data
- problemsets/cerc-2021.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.