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 9203 2470 27% 0.00 2422 1942 80% 3.2
Flexible Spaces 3965 2291 58% 0.00 1907 1749 92% 1.9
Flip Five 1274 657 52% 0.00 601 523 87% 2.8
Human Cannonball Run 753 316 42% 0.00 284 245 86% 3.4
Mixed Fractions 9073 4735 52% 0.00 4415 4176 95% 1.4
Narrow Art Gallery 4791 1498 31% 0.00 1242 1084 87% 2.7
Pesky Mosquitoes 957 245 26% 0.00 216 169 78% 5.3
Tractor 818 237 29% 0.00 282 198 70% 5.9
Units 428 197 46% 0.00 191 161 84% 3.7
Yikes - Bikes! 324 56 17% 0.00 88 46 52% 8.2