Problems from 2012 University of Chicago Invitational Programming Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
CosmoCraft0.01842923033%5.2Mediumen
Covered Walkway0.05462232671531%4.4Mediumen
Double Dealing0.124403039632%7.0Harden
Estimation0.1682838914437%4.5Mediumen
Juggler0.0168440013634%5.1Mediumen
Red/Blue Spanning Tree0.01518193151227%5.6Harden
Science!0.0111923527822%8.1Harden
The End of the World0.007429112643%5.5Harden
The Red Gem0.0122222094622%7.9Harden
The Worm in the Apple0.1219931096156%4.1Mediumen