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	2052	261	13%	0.05	398	181	45%	7.6
Board Covering	159	27	17%	0.00	59	23	39%	8.5
Cumulative Sums	207	37	18%	0.01	73	21	29%	8.3
Delicious Bubble Tea	3827	1353	35%	0.00	1242	1127	91%	2.4
European Trip	1384	626	45%	0.00	512	449	88%	3.2
Familiar Digit	307	78	25%	0.02	89	60	67%	5.0
Ginger Candy	954	237	25%	0.04	239	181	76%	5.5
Integer Rotation	2275	433	19%	0.05	455	303	67%	6.0
Jewelry Box	2157	1416	66%	0.00	1142	1081	95%	1.7
Keep the Parade Safe	651	124	19%	0.00	142	83	58%	6.4
Let's Play Monopoly!	249	121	49%	0.03	97	87	90%	3.5
Nim Cheater	125	26	21%	0.00	50	23	46%	8.2