Problems by Andreas Björklund

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Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Allergy Test	0.00	297	278	136	49%	7.6Hard	en
Altruistic Amphibians	0.22	352	204	151	74%	5.5Hard	en
Aspen Avenue	0.00	171	613	424	69%	5.9Hard	en
Best Compromise	0.00	135	978	898	92%	2.1Easy	en
Boiling Vegetables	0.00	130	1146	956	83%	3.9Medium	en
Bread Sorting	0.00	275	866	668	77%	4.3Medium	en
Breaking Bars	0.01	959	72	23	32%	9.4Hard	en
Circle of Debt	0.01	1401	45	28	62%	6.5Hard	en
Code Cleanups	0.00	88	1237	1053	85%	3.6Medium	en
Cuckoo Hashing	0.00	288	409	325	79%	3.9Medium	en
Dinner	0.01	1029	42	24	57%	7.9Hard	en
Doorman	0.00	60	2407	2149	89%	2.4Easy	en
Groups of Strangers	0.02	2227	70	33	47%	7.7Hard	en
Highest Tower	0.17	629	167	111	66%	7.0Hard	en
Infiltration	0.00	1386	74	48	65%	7.6Hard	en
Jamboree	0.00	82	572	485	85%	3.0Medium	en
Jumper	0.00	338	22	13	59%	7.4Hard	da en is
Kindergarten	0.00	851	108	82	76%	5.3Medium	en
Lights Out	0.15	1278	46	32	70%	6.9Hard	en
Necklace Decomposition	0.00	189	162	135	83%	4.3Medium	en
Nested Dolls	0.04	242	738	490	66%	6.0Hard	en
Polyomino Powers	0.01	1409	30	19	63%	6.1Hard	en
Quadratic Residues	0.00	75	120	99	82%	4.0Medium	en
Soda Slurper	0.00	35	6403	5974	93%	1.8Easy	en
The Bookcase	0.02	1017	51	13	25%	8.3Hard	en