Problems from 2013 University of Chicago Invitational Programming Contest

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
3D Printer 761 140 18% 0.00 311 108 35% 8.6
Automatic Trading 1080 313 29% 0.03 257 177 69% 4.9
Can of Worms 564 119 21% 0.05 126 85 67% 6.2
Flooding Fields 243 61 25% 0.02 62 48 77% 6.2
Goat Ropes 167 78 47% 0.00 60 45 75% 5.8
Job Postings 229 94 41% 0.01 73 61 84% 5.2
Overlapping Maps 155 91 59% 0.00 78 69 88% 4.8
Satisfaction Guaranteed 280 21 8% 6.78 25 10 40% 9.1
Uniform Subtrees 115 43 37% 0.23 26 20 77% 7.2
Unreal Estate 289 83 29% 0.01 55 36 65% 8.1
Winter Roads 192 20 10% 0.40 26 15 58% 8.3