Problems from 2012 University of Chicago Invitational Programming Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
CosmoCraft0.018421063129%5.7Harden
Covered Walkway0.05462242774631%4.5Mediumen
Double Dealing0.124403189931%6.3Harden
Estimation0.1682852715229%5.2Mediumen
Juggler0.0168444514533%5.6Harden
Red/Blue Spanning Tree0.00518199753827%5.1Mediumen
Science!0.0111923687821%8.1Harden
The End of the World0.007437613837%4.9Mediumen
The Red Gem0.0122223164815%8.7Harden
The Worm in the Apple0.1219931296651%4.5Mediumen