Problems from 2014 ICPC North America Qualifier

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Color Walk0.00711663756%8.4Harden
Eight Queens0.001765072415482%2.9Mediumen
Flexible Spaces0.00715305493993%1.7Easyen
Flip Five0.001511465128087%3.9Mediumen
Human Cannonball Run0.003843865363094%1.6Easyen
Mixed Fractions0.00498872836894%1.5Easyen
Narrow Art Gallery0.003184036352587%2.2Easyen
Pesky Mosquitoes0.0045044636582%4.1Mediumen
Tractor0.0010647834272%5.5Harden
Units0.0048345036481%5.4Mediumen
Yikes - Bikes!0.007211276450%8.1Harden