A Careful Approach
problem — every listed problem · all sets
- internal id
- p-88b2059d
- appearances
- wf-2009 (wf-2009) — A
- held
- not recorded yet
- solve online
- ICPC Live Archive id 4445
Baekjoon Online Judge (wayback) closed 2026-04-28 id 23223 - data
- problemsets/wf-2009.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.