Problems from 2014 ICPC North America Qualifier

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Color Walk0.00711603457%8.7Harden
Eight Queens0.001764958405782%2.9Mediumen
Flexible Spaces0.00715175481893%1.8Easyen
Flip Five0.001511411122987%4.6Mediumen
Human Cannonball Run0.003843659343694%1.7Easyen
Mixed Fractions0.00498654815794%1.6Easyen
Narrow Art Gallery0.003183805330487%2.8Mediumen
Pesky Mosquitoes0.0045044035881%4.4Mediumen
Tractor0.0010647233771%5.8Harden
Units0.0048344636081%6.7Harden
Yikes - Bikes!0.007211276450%8.2Harden