Problems from 2014 ICPC North America Qualifier

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Color Walk 130 37 28% 0.01 38 24 63% 8.4
Eight Queens 11213 3038 27% 0.00 2984 2409 81% 3.2
Flexible Spaces 5983 3237 54% 0.00 2621 2417 92% 1.7
Flip Five 1554 793 51% 0.00 723 634 88% 2.8
Human Cannonball Run 2297 1050 46% 0.00 841 765 91% 2.3
Mixed Fractions 11323 5871 52% 0.00 5534 5237 95% 1.5
Narrow Art Gallery 6411 1983 31% 0.00 1652 1431 87% 3.0
Pesky Mosquitoes 1183 295 25% 0.00 261 204 78% 5.4
Tractor 921 264 29% 0.00 316 221 70% 6.1
Units 661 281 43% 0.00 237 200 84% 3.5
Yikes - Bikes! 346 62 18% 0.00 95 51 54% 8.2