Problems from 2013 University of Chicago Invitational Programming Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
3D Printer0.005169228617%8.3Harden
Automatic Trading0.01119260976129%5.1Mediumen
Can of Worms0.0362388020123%7.2Harden
Flooding Fields0.02144660014524%6.7Harden
Goat Ropes0.00133332411435%6.5Harden
Job Postings0.0186252815529%7.9Harden
Overlapping Maps0.0020446818439%4.6Mediumen
Satisfaction Guaranteed1.76193776224031%9.1Harden
Uniform Subtrees0.2311322035527%8.0Harden
Unreal Estate0.01606111321619%8.0Harden
Winter Roads0.161187636548%9.4Harden