Problems from 2012 University of Chicago Invitational Programming Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
CosmoCraft0.01842672537%6.6Harden
Covered Walkway0.05747214665330%4.1Mediumen
Double Dealing0.125082539036%6.6Harden
Estimation0.1682836414339%4.2Mediumen
Juggler0.0168431611938%5.4Mediumen
Red/Blue Spanning Tree0.01518159241326%5.3Mediumen
Science!0.0111923227624%8.0Harden
The End of the World0.007425211746%4.9Mediumen
The Red Gem0.0122221734325%7.5Harden
The Worm in the Apple0.122010714665%3.4Mediumen