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	2315	286	12%	0.05	428	193	45%	7.9
Board Covering	168	28	17%	0.00	62	24	39%	8.7
Cumulative Sums	221	38	17%	0.01	79	22	28%	8.8
Delicious Bubble Tea	4188	1475	35%	0.00	1360	1230	90%	2.4
European Trip	1531	671	44%	0.00	553	488	88%	3.3
Familiar Digit	345	86	25%	0.02	93	66	71%	4.8
Ginger Candy	987	249	25%	0.04	248	189	76%	5.7
Integer Rotation	2334	457	20%	0.05	475	321	68%	6.2
Jewelry Box	2440	1606	66%	0.00	1290	1226	95%	1.6
Keep the Parade Safe	752	144	19%	0.00	151	89	59%	6.4
Let's Play Monopoly!	269	129	48%	0.03	106	94	89%	4.2
Nim Cheater	131	28	21%	0.00	53	25	47%	8.5