Problems from 2014 ICPC North America Qualifier

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Color Walk0.0052295725%8.5Harden
Eight Queens0.00518349507628%2.7Easyen
Flexible Spaces0.00511206593053%1.8Easyen
Flip Five0.0053900175845%4.6Mediumen
Human Cannonball Run0.00510277453144%1.7Easyen
Mixed Fractions0.00518643899148%1.5Easyen
Narrow Art Gallery0.00514673481533%3.3Mediumen
Pesky Mosquitoes0.00450215654025%4.4Mediumen
Tractor0.005154046130%5.8Harden
Units0.00483162552933%6.7Harden
Yikes - Bikes!0.007216138314%8.2Harden