Black and White
problem — every listed problem · all sets
- internal id
- p-2a0c2568
- appearances
- aec-2019 (aec-2019) — B
- held
- not recorded yet
- solve online
- NowCoder 牛客竞赛 (Niúkè, 'cow guest') id 201100
Luogu 洛谷 (Luògǔ) id P13939
Codeforces Gym id 102471/B - data
- problemsets/aec-2019.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.