Problems from Nordic Collegiate Programming Contest (NCPC) 2015

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Adjoin the Networks	2117	561	26%	0.00	469	376	80%	5.3
Bell Ringing	562	279	50%	0.00	256	213	83%	4.6
Cryptographer's Conundrum	9950	6178	62%	0.00	5515	5325	97%	1.4
Disastrous Downtime	5125	1647	32%	0.00	1304	1088	83%	3.2
Entertainment Box	1398	376	27%	0.04	349	277	79%	5.9
Floppy Music	348	161	46%	0.00	160	142	89%	5.5
Goblin Garden Guards	3438	705	21%	0.05	491	346	70%	6.2
Hero Power	68	29	43%	0.03	38	25	66%	7.6
iCar	137	16	12%	0.01	40	13	32%	8.9
Just a Quiz	203	66	33%	0.05	74	55	74%	5.4