Triangles and Quadrangle
problem — every listed problem · all sets
- internal id
- p-6d1b0bc4
- appearances
- shanghai-2011 (shanghai-2011) — G
- held
- not recorded yet
- solve online
- Baekjoon Online Judge (wayback) closed 2026-04-28 id 6284
- data
- problemsets/shanghai-2011.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.