Ribbon on the Christmas Present
problem — every listed problem · all sets
- internal id
- p-22027a1d
- appearances
- japan-2024 (japan-2024) — A
- held
- not recorded yet
- solve online
- Baekjoon Online Judge (wayback) closed 2026-04-28 id 32999
Aizu Online Judge (AOJ) id 1455
Codeforces Gym id 105633/A - data
- problemsets/japan-2024.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.