Changing Phone Numbers
problem — every listed problem · all sets
- internal id
- p-ac6014a3
- appearances
- tehran-2005 (tehran-2005) — C
- held
- not recorded yet
- solve online
- Baekjoon Online Judge (wayback) closed 2026-04-28 id 7288
- data
- problemsets/tehran-2005.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.