Problems from 2012 University of Chicago Invitational Programming Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
CosmoCraft0.01842672537%6.6Harden
Covered Walkway0.05747214965330%4.2Mediumen
Double Dealing0.124402609436%6.6Harden
Estimation0.1682836414339%4.2Mediumen
Juggler0.0168431611938%5.4Mediumen
Red/Blue Spanning Tree0.01518159341326%5.3Mediumen
Science!0.0111923237624%8.0Harden
The End of the World0.007425211746%4.9Mediumen
The Red Gem0.0122221744325%7.4Harden
The Worm in the Apple0.121993764762%3.5Mediumen