Problems from Nordic Collegiate Programming Contest (NCPC) 2010

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Around the track	65	17	26%	0.01	26	14	54%	7.8
Borg Boogie	60	19	32%	0.10	25	18	72%	6.6
Connect	102	28	27%	0.00	33	21	64%	6.5
Dirty Driving	568	364	64%	0.01	308	288	94%	2.1
Doodling	65	36	55%	0.00	39	30	77%	4.9
Great Geek Game-show 3000!	33	21	64%	0.08	22	20	91%	4.7
Help a PhD candidate out!	3928	2259	58%	0.00	2212	2080	94%	1.6
Polyomino Powers	20	12	60%	0.01	12	10	83%	5.3
Skyline	59	35	59%	0.00	28	25	89%	4.8
Statisticians	156	46	29%	0.28	37	26	70%	6.9
Succession	584	218	37%	0.00	199	171	86%	3.2