Problems from 2012 University of Chicago Invitational Programming Contest

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
CosmoCraft0.01842372157%8.5Harden
Covered Walkway0.0546270254578%4.0Mediumen
Double Dealing0.124401239174%5.4Mediumen
Estimation0.1682815512279%5.4Mediumen
Juggler0.0068423620587%4.5Mediumen
Red/Blue Spanning Tree0.0051853042380%4.1Mediumen
Science!0.0111921066460%7.9Harden
The End of the World0.007414411378%4.4Mediumen
The Red Gem0.012222754459%8.8Harden
The Worm in the Apple0.121993504182%4.3Mediumen