Problems from Google Code Jam 2010 Qualification Round

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Fair Warning 132 56 42% 0.02 55 48 87% 5.5
Snapper Chain (Easy) 1301 685 53% 0.00 649 585 90% 2.6
Snapper Chain (Hard) 1800 937 52% 0.00 805 751 93% 2.3
Theme Park 366 77 21% 0.00 104 64 62% 6.5