Problems from 2014 ICPC North America Qualifier

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Color Walk0.0052125626%8.7Harden
Eight Queens0.00518326506528%2.8Mediumen
Flexible Spaces0.00511169590153%1.8Easyen
Flip Five0.0053896175645%4.6Mediumen
Human Cannonball Run0.00510241451144%1.7Easyen
Mixed Fractions0.00518572894748%1.5Easyen
Narrow Art Gallery0.00514636479933%3.2Mediumen
Pesky Mosquitoes0.00450215553925%4.4Mediumen
Tractor0.005153045930%5.8Harden
Units0.00483159952833%6.7Harden
Yikes - Bikes!0.007216008314%8.2Harden