Problems from 2013 University of Chicago Invitational Programming Contest

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
3D Printer 1005 164 16% 0.00 419 126 30% 8.9
Automatic Trading 1293 396 31% 0.03 321 224 70% 5.1
Can of Worms 631 137 22% 0.04 153 100 65% 7.7
Flooding Fields 327 80 24% 0.02 80 62 78% 7.6
Goat Ropes 199 89 45% 0.00 75 53 71% 6.9
Job Postings 253 113 45% 0.01 85 72 85% 5.5
Overlapping Maps 205 108 53% 0.00 91 81 89% 4.9
Satisfaction Guaranteed 602 84 14% 6.78 36 11 31% 9.6
Uniform Subtrees 129 47 36% 0.23 30 24 80% 6.3
Unreal Estate 328 92 28% 0.01 66 44 67% 7.7
Winter Roads 348 36 10% 0.18 53 21 40% 8.8