Problems from 2012 University of Chicago Invitational Programming Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
CosmoCraft0.01842772532%6.7Harden
Covered Walkway0.05462221467430%4.2Mediumen
Double Dealing0.124402739133%6.6Harden
Estimation0.1682836613938%4.3Mediumen
Juggler0.0168433412036%5.5Harden
Red/Blue Spanning Tree0.01518164442326%5.2Mediumen
Science!0.0111923277523%8.0Harden
The End of the World0.007427312445%4.9Mediumen
The Red Gem0.0122221834323%7.5Harden
The Worm in the Apple0.121993915358%3.9Mediumen