Problems from 2012 University of Chicago Invitational Programming Contest

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
CosmoCraft0.01842362158%7.7Harden
Covered Walkway0.0546265549976%4.3Mediumen
Double Dealing0.124401158271%6.4Harden
Estimation0.1682815112079%5.1Mediumen
Juggler0.0168414311480%5.4Mediumen
Red/Blue Spanning Tree0.0051844935379%4.8Mediumen
Science!0.0111921026160%7.9Harden
The End of the World0.007413510477%4.9Mediumen
The Red Gem0.012222734258%8.8Harden
The Worm in the Apple0.121993463780%5.6Harden