Problems from 2018 ICPC North American Qualifier Contest

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Bingo Ties	3032	454	15%	0.00	744	314	42%	7.4
Das Blinkenlights	5948	2738	46%	0.00	2348	2199	94%	1.7
Ebony and Ivory	507	217	43%	0.00	229	191	83%	5.4
Froggie	3946	597	15%	0.00	650	403	62%	5.8
Fruit Slicer	1411	223	16%	0.00	207	137	66%	6.8
LCM Tree	127	24	19%	0.07	44	16	36%	8.7
Left and Right	2831	1256	44%	0.01	1110	892	80%	3.4
Longest Life	569	151	27%	0.03	149	90	60%	6.8
Monitoring Ski Paths	964	239	25%	0.02	226	150	66%	6.4
Peg Game for Two	490	353	72%	0.01	272	250	92%	3.1
Run-Length Encoding, Run!	4653	2799	60%	0.00	2484	2332	94%	1.8
Superdoku	946	258	27%	0.00	304	183	60%	6.4
Triangular Clouds	295	66	22%	0.11	81	30	37%	8.4