Problems from Google Code Jam 2008 Qualification Round

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Fly Swatter 50 13 26% 0.01 15 12 80% 5.2
Saving the Universe 419 145 35% 0.00 154 125 81% 4.7
Train Timetables 84 39 46% 0.00 40 33 82% 5.2