Defense Lines
problem — every listed problem · all sets
- internal id
- p-8d1f8709
- appearances
- cerc-2010 (cerc-2010) — D
- held
- not recorded yet
- solve online
- Codeforces Gym id 101487/D
Baekjoon Online Judge (wayback) closed 2026-04-28 id 3429 - data
- problemsets/cerc-2010.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.