Problems from 2014 ICPC North America Qualifier

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Color Walk0.00711603457%8.5Harden
Eight Queens0.001764936404482%2.8Mediumen
Flexible Spaces0.00715151479693%1.8Easyen
Flip Five0.001511411122987%4.6Mediumen
Human Cannonball Run0.003843649342694%1.7Easyen
Mixed Fractions0.00498641814694%1.5Easyen
Narrow Art Gallery0.003183735323987%3.3Mediumen
Pesky Mosquitoes0.0045044035881%4.4Mediumen
Tractor0.0010647233771%5.8Harden
Units0.0048344636081%6.7Harden
Yikes - Bikes!0.007211276450%8.2Harden