Problems from Benelux Algorithm Programming Contest (BAPC) preliminaries 2019

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Architecture	394	202	51%	0.00	200	178	89%	3.1
Bracket Sequence	330	93	28%	0.01	95	72	76%	4.9
Canyon Crossing	165	46	28%	0.14	27	24	89%	5.6
Deceptive Dice	160	118	74%	0.00	110	103	94%	2.8
Exits in Excess	213	93	44%	0.03	85	74	87%	3.9
Floor Plan	391	137	35%	0.00	165	135	82%	3.0
Greetings!	6943	4645	67%	0.00	3887	3763	97%	1.3
Hexagonal Rooks	76	36	47%	0.00	34	31	91%	4.4
Inquiry I	579	325	56%	0.01	245	230	94%	2.2
Jumbled Journey	37	10	27%	0.00	10	9	90%	5.7
Knapsack Packing	314	99	32%	0.05	79	67	85%	5.5
Lifeguards	28	11	39%	0.03	13	11	85%	5.1