Problems from The 2017 ACM - ICPC Vietnam National Programming Contest

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Another Query on Array Problem	1603	216	13%	0.05	334	151	45%	7.6
Board Covering	131	19	15%	0.00	48	17	35%	8.7
Cumulative Sums	170	35	21%	0.01	62	19	31%	7.9
Delicious Bubble Tea	2713	980	36%	0.00	909	819	90%	2.2
European Trip	969	429	44%	0.00	347	301	87%	3.2
Familiar Digit	258	65	25%	0.02	72	48	67%	7.0
Ginger Candy	820	198	24%	0.04	217	163	75%	5.5
Integer Rotation	2072	366	18%	0.05	413	273	66%	5.9
Jewelry Box	1539	980	64%	0.00	834	786	94%	1.6
Keep the Parade Safe	370	75	20%	0.00	97	57	59%	6.8
Let's Play Monopoly!	168	95	57%	0.03	79	72	91%	3.0
Nim Cheater	123	25	20%	0.00	48	22	46%	8.1