Frenemies
problem — every listed problem · all sets
- internal id
- p-d2d4cf86
- appearances
- scusa-2009 (scusa-2009) — 6
- held
- not recorded yet
- solve online
- Baekjoon Online Judge (wayback) closed 2026-04-28 id 4518
- data
- problemsets/scusa-2009.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.