Problems from Nordic Collegiate Programming Contest (NCPC) 2010

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Around the track	63	17	27%	0.01	25	14	56%	7.2
Borg Boogie	53	17	32%	0.10	20	16	80%	5.7
Connect	99	27	27%	0.00	32	20	62%	6.6
Dirty Driving	381	246	65%	0.01	233	221	95%	2.0
Doodling	51	22	43%	0.00	31	22	71%	5.6
Great Geek Game-show 3000!	32	21	66%	0.08	21	20	95%	3.9
Help a PhD candidate out!	3418	1992	58%	0.00	1972	1864	95%	1.5
Polyomino Powers	15	10	67%	0.01	10	8	80%	5.4
Skyline	50	27	54%	0.00	26	23	88%	4.9
Statisticians	150	44	29%	0.28	36	25	69%	6.7
Succession	447	160	36%	0.00	161	137	85%	3.5