Problems from 2013 University of Chicago Invitational Programming Contest

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
3D Printer 501 107 21% 0.00 188 85 45% 7.9
Automatic Trading 733 209 29% 0.03 191 125 65% 5.2
Can of Worms 360 73 20% 0.05 78 51 65% 4.2
Flooding Fields 128 26 20% 0.02 34 24 71% 6.8
Goat Ropes 121 55 45% 0.00 40 28 70% 7.2
Job Postings 133 44 33% 0.01 37 30 81% 5.3
Overlapping Maps 133 75 56% 0.00 61 55 90% 4.9
Satisfaction Guaranteed 119 11 9% 6.78 14 5 36% 9.2
Uniform Subtrees 49 12 24% 0.52 16 12 75% 7.0
Unreal Estate 163 36 22% 0.01 32 21 66% 7.0
Winter Roads 70 10 14% 0.40 16 9 56% 7.5