Problems from 2014 ICPC North America Qualifier

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Color Walk	130	37	28%	0.01	38	24	63%	8.4
Eight Queens	11213	3038	27%	0.00	2984	2409	81%	3.2
Flexible Spaces	5983	3237	54%	0.00	2621	2417	92%	1.7
Flip Five	1554	793	51%	0.00	723	634	88%	2.8
Human Cannonball Run	2297	1050	46%	0.00	841	765	91%	2.3
Mixed Fractions	11323	5871	52%	0.00	5534	5237	95%	1.5
Narrow Art Gallery	6411	1983	31%	0.00	1652	1431	87%	3.0
Pesky Mosquitoes	1183	295	25%	0.00	261	204	78%	5.4
Tractor	921	264	29%	0.00	316	221	70%	6.1
Units	661	281	43%	0.00	237	200	84%	3.5
Yikes - Bikes!	346	62	18%	0.00	95	51	54%	8.2