Problems from 2012 University of Chicago Invitational Programming Contest

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
CosmoCraft0.01842352160%7.7Harden
Covered Walkway0.0546265449876%4.3Mediumen
Double Dealing0.124401158271%6.3Harden
Estimation0.1682815112079%5.3Mediumen
Juggler0.0168414311480%5.4Mediumen
Red/Blue Spanning Tree0.0051844034779%4.8Mediumen
Science!0.0111921026160%7.7Harden
The End of the World0.007413510477%4.9Mediumen
The Red Gem0.012222734258%8.9Harden
The Worm in the Apple0.121993453680%5.5Harden