Not So Flat After All
problem — every listed problem · all sets
- internal id
- p-aef3a013
- appearances
- acpc-2009 (acpc-2009) — C
- held
- not recorded yet
- solve online
- ICPC Live Archive id 4735
Baekjoon Online Judge (wayback) closed 2026-04-28 id 4891 - data
- problemsets/acpc-2009.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.