Problems from The 2019 ICPC Vietnam National Contest

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A New Adventure	886	141	16%	0.00	155	103	66%	6.0
Breaking Cake	626	141	23%	0.04	149	110	74%	5.1
Checking Break	732	142	19%	0.06	148	115	78%	5.2
Dropping Ball	226	65	29%	0.00	57	45	79%	6.0
Easy Probability	491	40	8%	0.00	66	21	32%	8.2
Final Exam	643	43	7%	1.12	81	23	28%	8.5
Gathering in Yorknew	1358	260	19%	0.02	304	206	68%	5.4
Hunter x Communication	89	25	28%	0.41	36	21	58%	5.5
IMO Harder Problem	100	42	42%	0.01	41	31	76%	4.1
Just Enough Bridges	285	40	14%	0.05	84	32	38%	7.0
Kingdom of Ants	481	96	20%	0.25	78	57	73%	4.4
Learning to code	579	37	6%	0.00	80	24	30%	7.5