Problems from 2014 ICPC North America Qualifier

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Color Walk 112 35 31% 0.01 34 22 65% 8.2
Eight Queens 9394 2531 27% 0.00 2484 1993 80% 3.2
Flexible Spaces 4126 2378 58% 0.00 1989 1827 92% 1.8
Flip Five 1303 676 52% 0.00 616 539 88% 2.8
Human Cannonball Run 798 337 42% 0.00 302 260 86% 3.4
Mixed Fractions 9326 4874 52% 0.00 4556 4312 95% 1.4
Narrow Art Gallery 4817 1509 31% 0.00 1252 1092 87% 2.7
Pesky Mosquitoes 989 246 25% 0.00 218 170 78% 5.3
Tractor 839 243 29% 0.00 286 202 71% 5.9
Units 478 219 46% 0.00 198 167 84% 3.6
Yikes - Bikes! 330 57 17% 0.00 89 47 53% 8.2