Problems from 2013 University of Chicago Invitational Programming Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
3D Printer0.005144224717%8.7Harden
Automatic Trading0.01153177152330%5.3Mediumen
Can of Worms0.0362374118625%7.6Harden
Flooding Fields0.0219523989825%6.4Harden
Goat Ropes0.00133327410940%6.5Harden
Job Postings0.0186232314344%5.0Mediumen
Overlapping Maps0.0020440817242%4.4Mediumen
Satisfaction Guaranteed2.9319374605211%9.3Harden
Uniform Subtrees0.2311321725331%8.0Harden
Unreal Estate0.0178096518219%8.2Harden
Winter Roads0.1811873734312%8.3Harden