Problems from 2014 ICPC North America Qualifier

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Color Walk 114 36 32% 0.01 36 23 64% 8.1
Eight Queens 9822 2639 27% 0.00 2597 2083 80% 3.3
Flexible Spaces 4706 2638 56% 0.00 2181 2004 92% 1.7
Flip Five 1352 699 52% 0.00 636 558 88% 2.7
Human Cannonball Run 830 352 42% 0.00 319 274 86% 3.4
Mixed Fractions 9899 5134 52% 0.00 4808 4544 95% 1.5
Narrow Art Gallery 4918 1537 31% 0.00 1286 1115 87% 3.1
Pesky Mosquitoes 1033 263 25% 0.00 233 184 79% 5.2
Tractor 863 249 29% 0.00 296 208 70% 5.9
Units 498 230 46% 0.00 210 178 85% 3.6
Yikes - Bikes! 338 59 17% 0.00 91 48 53% 8.2