Problems from 2014 ICPC North America Qualifier

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Color Walk 148 45 30% 0.01 45 28 62% 8.6
Eight Queens 15700 4430 28% 0.00 4174 3408 82% 3.0
Flexible Spaces 8917 4961 56% 0.00 4016 3739 93% 1.8
Flip Five 2600 1321 51% 0.00 1055 916 87% 3.2
Human Cannonball Run 4385 2181 50% 0.00 1718 1583 92% 2.0
Mixed Fractions 15415 7810 51% 0.00 7266 6865 94% 1.6
Narrow Art Gallery 9791 3170 32% 0.00 2440 2120 87% 3.0
Pesky Mosquitoes 1446 372 26% 0.00 332 261 79% 5.3
Tractor 1107 324 29% 0.00 373 260 70% 5.9
Units 1053 393 37% 0.00 338 285 84% 3.3
Yikes - Bikes! 382 71 19% 0.00 113 57 50% 8.3