Number of Locks
problem — every listed problem · all sets
- internal id
- p-829a0a74
- appearances
- xian-2002 (xian-2002) — D
- held
- not recorded yet
- solve online
- Baekjoon Online Judge (wayback) closed 2026-04-28 id 9816
- data
- problemsets/xian-2002.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.