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	8	5	62%	4.2 - 8.8Hard	en
Subway	0.12	1877	4	1	25%	4.6 - 9.1Hard	en
Yule Lads	0.06	423	6	4	67%	1.9 - 7.1Hard	en