Optimal Keypad
problem — every listed problem · all sets
- internal id
- p-25c7f9ed
- appearances
- tehran-2003 (tehran-2003) — C
- held
- not recorded yet
- solve online
- Baekjoon Online Judge (wayback) closed 2026-04-28 id 7305
- data
- problemsets/tehran-2003.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.