Problems from Programmeringsolympiadens onlinekval 2019

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Graduation	0.00	66	1114	932	84%	1.2 - 2.0Easy	en ja sv
House Building	0.10	5072	143	3	2%	1.2 - 9.7Hard	en ja sv
Letter Optimization	0.02	491	265	195	74%	1.3 - 4.5Medium	en ja sv