Thread Knots
problem — every listed problem · all sets
- internal id
- p-d3959f83
- appearances
- korea-2019 (korea-2019) — I
- held
- not recorded yet
- solve online
- Baekjoon Online Judge (wayback) closed 2026-04-28 id 17976
- data
- problemsets/korea-2019.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.