May I Add a Letter?
problem — every listed problem · all sets
- internal id
- p-814c0a7f
- appearances
- south-america-south-2020 (south-america-south-2020) — M
- held
- not recorded yet
- solve online
- Baekjoon Online Judge (wayback) closed 2026-04-28 id 22276
- data
- problemsets/south-america-south-2020.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.