Problems from 2012 University of Chicago Invitational Programming Contest

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
CosmoCraft0.01842362158%7.9Harden
Covered Walkway0.0546266751076%4.2Mediumen
Double Dealing0.124401168372%6.1Harden
Estimation0.1682815212079%5.3Mediumen
Juggler0.0168414311379%5.5Harden
Red/Blue Spanning Tree0.0051850740680%4.1Mediumen
Science!0.0111921016059%7.9Harden
The End of the World0.007414010978%4.6Mediumen
The Red Gem0.012222734258%8.9Harden
The Worm in the Apple0.121993504080%4.9Mediumen