Problems from LTH Challenge 2021

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Bluetooth	0.00	93	962	833	87%	1.4 - 2.1Easy	da en sv
Bridge building	0.29	6978	31	5	16%	3.4 - 9.1Hard	da en
Distracted	0.01	215	370	157	42%	1.6 - 7.2Hard	da en
Julmust	0.00	61	620	518	84%	2.2 - 2.3Easy	da en
Keylogger	0.00	331	925	737	80%	1.3 - 2.5Easy	da en
Ortest Path	0.01	2270	65	18	28%	2.7 - 9.0Hard	da en
Roller Coaster Assembly	0.04	909	56	22	39%	4.2 - 7.9Hard	da en
SMIL	0.00	29	4276	3872	91%	1.3 - 1.5Easy	da en sv