Problems from Programmeringsolympiadens onlinekval 2019

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Graduation	0.00	66	1981	1856	94%	1.2 - 2.3Easy	en ja sv
House Building	0.10	16981	1951	1850	95%	1.2 - 9.5Hard	en ja sv
Letter Optimization	0.02	491	853	816	96%	1.3 - 5.1Medium	en ja sv