Problems from Nordic Collegiate Programming Contest (NCPC) 2009

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Allergy Test	649	165	25%	0.00	212	105	50%	8.0
Beacons	295	78	26%	0.33	58	40	69%	7.3
Code Permutations	92	30	33%	0.03	29	21	72%	7.8
Flight Planning	275	102	37%	0.00	97	70	72%	7.6
Gokigen Naname	812	166	20%	0.00	155	112	72%	7.2
Money Matters	5984	2285	38%	0.00	1792	1540	86%	3.1
Playfair Cipher	648	296	46%	0.00	298	260	87%	2.7
Rain Fall	315	111	35%	0.00	114	95	83%	5.3
Soda Slurper	7629	4438	58%	0.00	4369	4077	93%	1.6
Speedy Escape	1056	214	20%	0.00	156	133	85%	5.4