Button Lock
problem — every listed problem · all sets
- internal id
- p-a00fce84
- appearances
- nerc-2020 (nerc-2020) — B
- held
- not recorded yet
- solve online
- Codeforces Gym id 1510B
Codeforces Gym id 102896/B - data
- problemsets/nerc-2020.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.