Problems from 2012 University of Chicago Invitational Programming Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
CosmoCraft0.018421043130%5.7Harden
Covered Walkway0.05462242074431%4.4Mediumen
Double Dealing0.124403169931%6.3Harden
Estimation0.1682852515229%5.2Mediumen
Juggler0.0168444114533%5.5Harden
Red/Blue Spanning Tree0.00518199553827%5.1Mediumen
Science!0.0111923667821%8.1Harden
The End of the World0.007437413837%4.9Mediumen
The Red Gem0.0122223144815%8.7Harden
The Worm in the Apple0.1219931276652%4.5Mediumen