Problems from 2012 University of Chicago Invitational Programming Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
CosmoCraft0.01842852934%5.5Harden
Covered Walkway0.05462228970431%4.4Mediumen
Double Dealing0.124402859132%7.1Harden
Estimation0.1682837214038%4.3Mediumen
Juggler0.0168434912135%6.0Harden
Red/Blue Spanning Tree0.01518184148326%5.4Mediumen
Science!0.0111923287523%8.0Harden
The End of the World0.007428512644%5.4Mediumen
The Red Gem0.0122221984623%7.2Harden
The Worm in the Apple0.1219931045957%4.3Mediumen