A Card Trick
problem — every listed problem · all sets
- internal id
- p-2f54dc1d
- uuid
- b943f851-bbec-4c1d-8ef5-937f3974aaca
- appearances
- pacnw-2004 (pacnw-2004) — J
- held
- not recorded yet
- solve online
- Baekjoon Online Judge (wayback) closed 2026-04-28 id 9181
- data
- problemsets/pacnw-2004.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.