Problems from 2012 University of Chicago Invitational Programming Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
CosmoCraft0.01842963031%5.8Harden
Covered Walkway0.05462233471631%4.5Mediumen
Double Dealing0.124403089832%6.4Harden
Estimation0.1682839414437%4.6Mediumen
Juggler0.0168442914133%5.4Mediumen
Red/Blue Spanning Tree0.01518195852327%5.1Mediumen
Science!0.0111923587822%8.1Harden
The End of the World0.007430012642%5.6Harden
The Red Gem0.0122222164621%7.9Harden
The Worm in the Apple0.1219931156153%4.5Mediumen