Problems from 2013 University of Chicago Invitational Programming Contest

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
3D Printer 547 110 20% 0.00 210 87 41% 8.4
Automatic Trading 741 212 29% 0.03 196 128 65% 5.3
Can of Worms 376 77 20% 0.05 84 55 65% 5.6
Flooding Fields 130 27 21% 0.02 35 25 71% 6.7
Goat Ropes 132 61 46% 0.00 46 34 74% 6.6
Job Postings 150 52 35% 0.01 44 37 84% 5.7
Overlapping Maps 135 77 57% 0.00 63 57 90% 4.7
Satisfaction Guaranteed 167 17 10% 6.78 17 7 41% 9.0
Uniform Subtrees 67 16 24% 0.52 21 16 76% 6.6
Unreal Estate 178 45 25% 0.01 36 24 67% 7.6
Winter Roads 138 14 10% 0.40 19 11 58% 7.5