Problems from Google Code Jam 2010 Qualification Round

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Fair Warning 51 30 59% 0.02 25 25 100% 3.1
Snapper Chain (Easy) 547 290 53% 0.00 269 241 90% 2.5
Snapper Chain (Hard) 570 306 54% 0.00 253 233 92% 2.4
Theme Park 80 17 21% 0.00 23 17 74% 6.9