Problems from 2012 University of Chicago Invitational Programming Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
CosmoCraft0.01842682537%6.6Harden
Covered Walkway0.05462218466630%4.1Mediumen
Double Dealing0.124402719435%6.6Harden
Estimation0.1682836514339%4.2Mediumen
Juggler0.0168431812038%5.4Mediumen
Red/Blue Spanning Tree0.01518163842426%5.2Mediumen
Science!0.0111923267724%8.0Harden
The End of the World0.007426312347%4.9Mediumen
The Red Gem0.0122221744325%7.5Harden
The Worm in the Apple0.121993805164%3.5Mediumen