Problems by Andreas Björklund

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Allergy Test	640	161	25%	0.00	207	101	49%	8.0
Altruistic Amphibians	538	147	27%	0.22	123	92	75%	5.1
Aspen Avenue	2290	643	28%	0.00	434	289	67%	6.2
Best Compromise	901	615	68%	0.00	587	551	94%	2.0
Boiling Vegetables	1485	605	41%	0.00	544	455	84%	3.7
Bread Sorting	1205	453	38%	0.01	474	364	77%	4.6
Circle of Debt	86	24	28%	0.01	26	18	69%	6.3
Code Cleanups	2179	821	38%	0.00	751	673	90%	2.3
Cuckoo Hashing	870	215	25%	0.01	151	113	75%	6.4
Dinner	107	20	19%	0.02	25	17	68%	7.6
Doorman	2933	1535	52%	0.00	1501	1349	90%	2.2
Highest Tower	358	115	32%	0.21	134	96	72%	6.8
Infiltration	143	44	31%	0.00	50	35	70%	6.9
Kindergarten	187	74	40%	0.00	76	52	68%	7.2
Lights Out	183	69	38%	0.15	36	29	81%	7.5
Necklace Decomposition	289	164	57%	0.00	115	98	85%	4.1
Nested Dolls	1495	342	23%	0.06	296	180	61%	6.9
Polyomino Powers	26	15	58%	0.01	14	12	86%	4.9
Quadratic Residues	398	78	20%	0.00	73	58	79%	6.3
Soda Slurper	7120	4205	59%	0.00	4145	3873	93%	1.5
The Bookcase	94	6	6%	0.15	35	6	17%	8.9