Cacti Classification
problem — every listed problem · all sets
- internal id
- p-9774145e
- appearances
- nerc-2025 (nerc-2025) — C
- held
- not recorded yet
- solve online
- Codeforces Gym id 2181C
- data
- problemsets/nerc-2025.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.