Problems from Nordic Olympiad in Informatics 2017

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
IP over Avian Carriers	0.00	32	57	14	25%	3.9 - 8.8Hard	en
Subway	0.11	1850	69	12	17%	4.6 - 9.0Hard	en
Yule Lads	0.05	200	164	70	43%	1.9 - 7.0Hard	en