Problems from Google Code Jam 2008 Qualification Round

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Fly Swatter 56 14 25% 0.01 18 13 72% 6.5
Saving the Universe 562 197 35% 0.00 207 168 81% 4.7
Train Timetables 148 68 46% 0.00 67 57 85% 4.9