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	1532	393	26%	0.01	420	324	77%	4.0
Directory Management	133	7	5%	0.57	21	5	24%	8.5
Divisor Game	259	45	17%	0.02	57	28	49%	8.3
ICPC Team Selection	663	243	37%	0.00	270	229	85%	3.1
Message	169	26	15%	0.88	40	25	62%	7.0
Nature Reserve	403	121	30%	0.06	126	106	84%	4.3
Olympiad Training	74	22	30%	0.31	22	17	77%	5.6
Printer Scheduling	156	9	6%	0.14	26	7	27%	8.8
Reservoir	459	102	22%	0.06	131	92	70%	5.3
Swimming Balls	149	23	15%	0.00	41	19	46%	6.8
Terraced fields	286	73	26%	0.00	92	63	68%	5.7
Ultimate Pipe Game	28	7	25%	0.05	12	6	50%	6.9