Problems by Andreas Björklund

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Allergy Test	248	81	33%	0.00	70	37	53%	8.1
Aspen Avenue	920	311	34%	0.00	208	139	67%	7.1
Best Compromise	367	252	69%	0.00	226	210	93%	2.2
Boiling Vegetables	512	209	41%	0.00	200	166	83%	3.2
Bread Sorting	709	229	32%	0.02	247	176	71%	4.7
Circle of Debt	28	14	50%	0.01	16	10	62%	7.3
Cuckoo Hashing	266	73	27%	0.02	72	52	72%	6.8
Dinner	37	7	19%	0.06	12	6	50%	7.7
Doorman	1516	841	55%	0.00	851	756	89%	2.3
Highest Tower	208	58	28%	0.22	69	46	67%	6.0
Infiltration	106	35	33%	0.00	34	26	76%	5.3
Kindergarten	95	46	48%	0.00	41	32	78%	6.3
Lights Out	124	39	31%	0.15	24	17	71%	7.6
Necklace Decomposition	117	69	59%	0.00	61	53	87%	5.3
Nested Dolls	607	117	19%	0.06	104	57	55%	8.3
Polyomino Powers	6	5	83%	0.01	3	3	100%	5.2
Quadratic Residues	221	42	19%	0.00	41	31	76%	6.1
Soda Surpler	1210	789	65%	0.00	768	727	95%	1.6