Suffixes may Contain Prefixes
problem — every listed problem · all sets
- internal id
- p-c9cd033a
- appearances
- japan-2020 (japan-2020) — K
- held
- not recorded yet
- solve online
- Baekjoon Online Judge (wayback) closed 2026-04-28 id 21936
Aizu Online Judge (AOJ) id 1421 - data
- problemsets/japan-2020.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.