Problems from 2014 ICPC North America Qualifier

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Color Walk 129 36 28% 0.01 37 23 62% 8.5
Eight Queens 10633 2865 27% 0.00 2812 2271 81% 2.9
Flexible Spaces 4995 2767 55% 0.00 2305 2123 92% 1.7
Flip Five 1373 713 52% 0.00 647 567 88% 2.7
Human Cannonball Run 1637 751 46% 0.00 618 553 89% 2.7
Mixed Fractions 10432 5431 52% 0.00 5101 4823 95% 1.4
Narrow Art Gallery 5395 1678 31% 0.00 1413 1229 87% 2.7
Pesky Mosquitoes 1051 271 26% 0.00 238 189 79% 5.1
Tractor 882 252 29% 0.00 303 211 70% 6.0
Units 521 241 46% 0.00 219 186 85% 3.5
Yikes - Bikes! 341 61 18% 0.00 93 50 54% 8.1