Empty Squares
problem — every listed problem · all sets
- internal id
- p-dfcbc9ff
- appearances
- south-america-south-2022 (south-america-south-2022) — E
- held
- not recorded yet
- solve online
- Baekjoon Online Judge (wayback) closed 2026-04-28 id 28044
- data
- problemsets/south-america-south-2022.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.