Largest Quadrilateral
problem — every listed problem · all sets
- internal id
- p-db9b811f
- appearances
- taiwan-2019 (taiwan-2019) — L
- held
- not recorded yet
- solve online
- Baekjoon Online Judge (wayback) closed 2026-04-28 id 18150
- data
- problemsets/taiwan-2019.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.