Problems from 2014 ICPC North America Qualifier

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Color Walk 134 39 29% 0.01 40 25 62% 8.7
Eight Queens 12514 3373 27% 0.00 3251 2623 81% 3.5
Flexible Spaces 6625 3623 55% 0.00 2838 2628 93% 1.7
Flip Five 1760 901 51% 0.00 806 707 88% 2.8
Human Cannonball Run 2523 1147 45% 0.00 921 837 91% 2.5
Mixed Fractions 12754 6536 51% 0.00 6109 5782 95% 1.5
Narrow Art Gallery 6879 2173 32% 0.00 1755 1522 87% 3.0
Pesky Mosquitoes 1243 316 25% 0.00 277 219 79% 5.3
Tractor 975 279 29% 0.00 331 231 70% 6.0
Units 742 308 42% 0.00 261 222 85% 3.4
Yikes - Bikes! 355 64 18% 0.00 101 53 52% 8.3