Problems by Andreas Björklund

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Allergy Test	436	123	28%	0.00	137	70	51%	7.8
Altruistic Amphibians	363	92	25%	0.24	91	65	71%	5.0
Aspen Avenue	1091	361	33%	0.00	269	179	67%	7.2
Best Compromise	542	361	67%	0.00	338	315	93%	2.2
Boiling Vegetables	1171	446	38%	0.00	391	325	83%	3.4
Bread Sorting	920	291	32%	0.01	330	230	70%	5.1
Circle of Debt	36	16	44%	0.01	19	12	63%	7.4
Code Cleanups	1574	568	36%	0.00	548	475	87%	2.4
Cuckoo Hashing	487	142	29%	0.01	104	78	75%	6.3
Dinner	78	15	19%	0.03	18	12	67%	7.1
Doorman	2139	1139	53%	0.00	1147	1017	89%	2.4
Highest Tower	280	85	30%	0.21	102	71	70%	6.6
Infiltration	132	41	31%	0.00	46	32	70%	6.4
Kindergarten	149	58	39%	0.00	59	40	68%	7.2
Lights Out	172	60	35%	0.15	31	25	81%	7.5
Necklace Decomposition	169	88	52%	0.00	77	65	84%	5.8
Nested Dolls	974	176	18%	0.06	162	92	57%	7.5
Polyomino Powers	15	10	67%	0.01	10	8	80%	5.4
Quadratic Residues	300	55	18%	0.00	49	39	80%	5.6
Soda Slurper	2976	1762	59%	0.00	1733	1627	94%	1.6