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Unhappy Numbers statistics & best solutions

Users accepted	Submissions	Accepted	Wrong Answer	Compile Error	Runtime Error	Time Limit Exceeded
45	166	61	30	5	29	38

RANK	DATE	USER	RESULT	TIME	MEM	LANG
1	2015-10-23 02:53:48	Matthew Bregg	accepted	0.00	3.4M	CPP14
2	2015-10-23 10:25:44	Nick Jiang	accepted	0.00	3.6M	CPP14
3	2016-01-17 10:26:34	[Rampage] Blue.Mary	accepted	0.00	3.0M	C++ 4.3.2
4	2016-02-05 12:02:19	Ashish Khurange	accepted	0.00	3.6M	CPP14
5	2016-05-09 10:51:06	demacek	accepted	0.00	2.7M	PAS-FPC
6	2018-10-21 00:18:29	Sergej	accepted	0.00	15M	CPP
7	2016-10-29 20:18:20	super_ashish	accepted	0.01	38M	CPP14
8	2022-08-28 16:37:01	Ratan	accepted	0.01	5.4M	CPP14
9	2016-11-16 21:22:45	Lyadh	accepted	0.02	6.7M	C++ 4.3.2
10	2023-10-04 08:04:01	Bulbul	accepted	0.02	5.3M	CPP14
11	2019-03-16 23:02:55	Karolis Kusas	accepted	0.03	3.0M	C++ 4.3.2
12	2022-04-30 08:29:45	wwwwodddd	accepted	0.03	5.4M	CPP14
13	2016-12-28 22:27:36	Xync	accepted	0.04	3.5M	CPP14
14	2017-10-15 12:17:48	Hodobox	accepted	0.04	16M	CPP14
15	2016-09-25 00:10:37	rainy jain	accepted	0.06	8.9M	PYTHON
16	2016-11-23 21:38:37	Gaurav Agarwal	accepted	0.07	3.7M	CPP14
17	2018-10-06 01:45:12	supernanren	accepted	0.10	4468M	JAVA
18	2015-10-22 23:16:10	Rully Soelaiman	accepted	0.11	3.3M	CPP
19	2019-06-16 08:28:32	GB11	accepted	0.11	15M	CPP14
20	2015-10-23 12:55:33	rajat189	accepted	0.12	2.8M	C++ 4.3.2