Problems from 2014 ICPC North America Qualifier

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Color Walk0.0051945629%8.6Harden
Eight Queens0.00518197502328%2.9Mediumen
Flexible Spaces0.00511019582353%1.9Easyen
Flip Five0.0053822172745%4.9Mediumen
Human Cannonball Run0.00510060445744%1.6Easyen
Mixed Fractions0.00518419885248%1.6Easyen
Narrow Art Gallery0.00514537473633%3.4Mediumen
Pesky Mosquitoes0.00450211852825%4.5Mediumen
Tractor0.005148244930%5.9Harden
Units0.00483157652333%6.8Harden
Yikes - Bikes!0.007215788114%8.3Harden