January's Color
problem — every listed problem · all sets
- internal id
- p-fee6062e
- appearances
- xian-2025 (xian-2025)
- held
- not recorded yet
- solve online
- Luogu 洛谷 (Luògǔ) id P14456
- data
- problemsets/xian-2025.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.