Problems from The 2019 ICPC Vietnam National Contest

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
A New Adventure	974	149	15%	0.00	163	109	67%	6.1
Breaking Cake	666	144	22%	0.04	153	113	74%	5.3
Checking Break	783	146	19%	0.06	154	119	77%	5.4
Dropping Ball	260	73	28%	0.00	61	48	79%	6.4
Easy Probability	511	41	8%	0.00	71	22	31%	8.7
Final Exam	777	43	6%	1.12	85	23	27%	9.0
Gathering in Yorknew	1425	276	19%	0.02	317	215	68%	5.7
Hunter x Communication	92	25	27%	0.41	37	21	57%	6.2
IMO Harder Problem	101	43	43%	0.01	41	31	76%	4.5
Just Enough Bridges	317	47	15%	0.05	90	35	39%	8.0
Kingdom of Ants	493	98	20%	0.25	80	59	74%	5.1
Learning to code	624	41	7%	0.00	86	28	33%	7.7