Multiplying by Rotation
problem — every listed problem · all sets
- internal id
- p-dc9ca7a6
- appearances
- erc-1989 (erc-1989)
- held
- not recorded yet
- solve online
- ICPC Live Archive id 5566
- data
- problemsets/erc-1989.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.