Problems from 2014 ICPC North America Qualifier

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Color Walk 141 40 28% 0.01 41 26 63% 8.6
Eight Queens 14610 4059 28% 0.00 3888 3162 81% 3.5
Flexible Spaces 8196 4524 55% 0.00 3623 3373 93% 1.7
Flip Five 2286 1161 51% 0.00 928 805 87% 3.0
Human Cannonball Run 3468 1689 49% 0.00 1290 1192 92% 2.1
Mixed Fractions 13908 7096 51% 0.00 6624 6261 95% 1.6
Narrow Art Gallery 8639 2731 32% 0.00 2141 1850 86% 2.9
Pesky Mosquitoes 1329 338 25% 0.00 305 240 79% 5.1
Tractor 1046 308 29% 0.00 353 247 70% 5.9
Units 995 373 37% 0.00 312 265 85% 3.2
Yikes - Bikes! 369 66 18% 0.00 108 55 51% 8.3