Round Trip
problem — every listed problem · all sets
- internal id
- p-d46e8bc0
- appearances
- japan-2011 (japan-2011) — J
- held
- not recorded yet
- solve online
- Baekjoon Online Judge (wayback) closed 2026-04-28 id 4947
Aizu Online Judge (AOJ) id 1324
Codeforces Gym id 102004/J - data
- problemsets/japan-2011.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.