Problems by Björn Martinsson

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Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Box and Arrow Diagram	0.10	883	46	29	63%	7.8Hard	en
Cheater Detection	0.00	50	98	86	88%	3.2 - 3.9Medium	en
Costly Contest	0.01	347	39	28	72%	6.7Hard	en
Dream Luck	0.16	541	42	17	40%	3.7 - 8.0Hard	en
Duplantis	0.04	272	40	32	80%	2.0 - 4.8Medium	en sv
Efficient Bus Routing	0.02	565	88	55	62%	7.3Hard	en
Forgotten Homework	0.04	712	33	19	58%	7.5Hard	en
Heavy Edges	0.52	1448	29	17	59%	3.7 - 7.7Hard	en
Patrick's Triangle	0.03	460	58	41	71%	6.3Hard	en
Sperhling	0.00	69	316	292	92%	2.4Easy	en
The Great Egg Hunt	0.12	776	32	18	56%	7.4Hard	en