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% 8.1
Eight Queens 9046 2428 27% 0.00 2376 1905 80% 3.1
Flexible Spaces 3876 2240 58% 0.00 1861 1708 92% 1.9
Flip Five 1237 637 51% 0.00 584 508 87% 2.8
Human Cannonball Run 732 310 42% 0.00 277 239 86% 3.4
Mixed Fractions 8762 4569 52% 0.00 4258 4025 95% 1.5
Narrow Art Gallery 4746 1481 31% 0.00 1226 1070 87% 2.6
Pesky Mosquitoes 947 242 26% 0.00 212 166 78% 5.1
Tractor 812 233 29% 0.00 277 194 70% 5.9
Units 418 193 46% 0.00 186 157 84% 3.7
Yikes - Bikes! 324 56 17% 0.00 88 46 52% 8.2