Jamie's Contact Groups
problem — every listed problem · all sets
- internal id
- p-13a107d8
- appearances
- shanghai-2004 (shanghai-2004) — J
- held
- not recorded yet
- solve online
- Baekjoon Online Judge (wayback) closed 2026-04-28 id 7536
- data
- problemsets/shanghai-2004.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.