Problems by Andreas Björklund

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Allergy Test	172	57	33%	0.00	42	23	55%	7.1
Aspen Avenue	727	255	35%	0.01	158	113	72%	6.4
Best Compromise	278	187	67%	0.00	172	162	94%	2.1
Boiling Vegetables	441	168	38%	0.00	165	136	82%	3.4
Bread Sorting	605	172	28%	0.02	196	134	68%	4.6
Circle of Debt	26	12	46%	0.02	14	8	57%	7.5
Cuckoo Hashing	215	65	30%	0.03	65	47	72%	5.8
Dinner	22	5	23%	0.09	9	4	44%	8.0
Doorman	1137	622	55%	0.00	633	565	89%	2.2
Highest Tower	130	36	28%	0.26	42	27	64%	6.1
Infiltration	78	23	29%	0.00	24	16	67%	6.1
Kindergarten	79	35	44%	0.01	31	24	77%	6.0
Lights Out	32	16	50%	0.21	14	11	79%	6.4
Necklace Decomposition	89	51	57%	0.00	46	43	93%	3.3
Nested Dolls	202	50	25%	0.21	59	37	63%	6.1
Quadratic Residues	178	30	17%	0.00	28	20	71%	6.8
Soda Surpler	592	419	71%	0.00	392	370	94%	1.6