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	1839	231	13%	0.05	369	164	44%	7.9
Board Covering	153	23	15%	0.00	54	20	37%	8.7
Cumulative Sums	189	36	19%	0.01	67	20	30%	8.0
Delicious Bubble Tea	3291	1179	36%	0.00	1100	995	90%	2.3
European Trip	1038	471	45%	0.00	376	329	88%	3.3
Familiar Digit	274	69	25%	0.02	76	51	67%	6.4
Ginger Candy	878	220	25%	0.04	228	172	75%	5.6
Integer Rotation	2118	385	18%	0.05	432	284	66%	6.2
Jewelry Box	1735	1137	66%	0.00	971	917	94%	1.7
Keep the Parade Safe	476	101	21%	0.00	114	67	59%	6.3
Let's Play Monopoly!	217	107	49%	0.03	82	75	91%	3.0
Nim Cheater	123	25	20%	0.00	48	22	46%	8.2