Problems from Nordic Collegiate Programming Contest (NCPC) 2010

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Around the track	66	17	26%	0.01	27	14	52%	7.7
Borg Boogie	69	25	36%	0.10	30	21	70%	8.0
Connect	122	34	28%	0.00	39	26	67%	6.2
Dirty Driving	906	550	61%	0.01	488	452	93%	2.2
Doodling	135	63	47%	0.00	71	53	75%	6.6
Great Geek Game-show 3000!	50	33	66%	0.07	32	28	88%	5.5
Help a PhD candidate out!	7291	4212	58%	0.00	4073	3866	95%	1.4
Polyomino Powers	27	16	59%	0.01	15	13	87%	5.2
Skyline	364	144	40%	0.00	76	59	78%	5.3
Statisticians	175	49	28%	0.28	40	29	72%	7.1
Succession	1165	420	36%	0.00	357	304	85%	3.1