Problems from The 2016 ACM - ICPC Asia Nha Trang Regional Contest

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Alice in the Digital World	2300	644	28%	0.01	643	503	78%	4.1
Directory Management	196	10	5%	0.24	35	8	23%	8.8
Divisor Game	336	68	20%	0.02	67	39	58%	6.6
ICPC Team Selection	1431	552	39%	0.00	512	456	89%	2.7
Message	282	58	21%	0.74	66	44	67%	7.0
Nature Reserve	558	178	32%	0.06	165	141	85%	4.3
Olympiad Training	105	29	28%	0.31	33	24	73%	6.0
Printer Scheduling	197	28	14%	0.07	40	16	40%	8.8
Reservoir	571	143	25%	0.06	166	124	75%	4.8
Swimming Balls	192	28	15%	0.00	55	24	44%	8.3
Terraced fields	384	94	24%	0.00	121	80	66%	5.8
Ultimate Pipe Game	37	10	27%	0.05	15	8	53%	7.6