Problems from 2013 University of Chicago Invitational Programming Contest

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
3D Printer 1082 173 16% 0.00 467 132 28% 8.9
Automatic Trading 1359 412 30% 0.03 333 233 70% 5.3
Can of Worms 643 144 22% 0.04 157 106 68% 7.8
Flooding Fields 332 82 25% 0.02 83 64 77% 7.7
Goat Ropes 201 90 45% 0.00 76 53 70% 7.3
Job Postings 253 113 45% 0.01 85 72 85% 5.9
Overlapping Maps 212 111 52% 0.00 94 83 88% 5.2
Satisfaction Guaranteed 696 88 13% 6.78 40 13 32% 9.5
Uniform Subtrees 129 47 36% 0.23 30 24 80% 6.4
Unreal Estate 360 97 27% 0.01 67 46 69% 6.7
Winter Roads 355 36 10% 0.18 54 21 39% 8.9