Problems from 2012 University of Chicago Invitational Programming Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
CosmoCraft0.018421263125%7.3Harden
Covered Walkway0.05462248176631%4.3Mediumen
Double Dealing0.1244033110231%6.3Harden
Estimation0.1682853515429%5.1Mediumen
Juggler0.0168445814933%5.5Harden
Red/Blue Spanning Tree0.00518201754527%4.9Mediumen
Science!0.0111923878522%7.9Harden
The End of the World0.007438813936%4.9Mediumen
The Red Gem0.0122223375316%8.8Harden
The Worm in the Apple0.1219931436848%5.0Mediumen