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Help Feluda with mathematical equations statistics & best solutions

Users accepted	Submissions	Accepted	Wrong Answer	Compile Error	Runtime Error	Time Limit Exceeded
272	1750	399	546	65	269	470

RANK	DATE	USER	RESULT	TIME	MEM	LANG
1	2013-08-19 15:44:05	devu	accepted	0.00	6.6M	C++ 4.3.2
2	2013-08-26 02:52:45	Geraldo Avelino [IME-RJ]	accepted	0.00	4.5M	C++ 4.3.2
3	2013-09-12 05:35:10	[Rampage] Blue.Mary	accepted	0.00	11M	C++ 4.3.2
4	2013-12-29 22:03:56	abhiranjan	accepted	0.00	3.7M	C++ 4.3.2
5	2017-05-13 08:13:22	demacek	accepted	0.00	2.8M	PAS-FPC
6	2017-08-28 23:36:32	Morass	accepted	0.00	16M	CPP14
7	2019-02-05 18:08:27	supernanren	accepted	0.00	16M	CPP14
8	2020-05-08 16:18:06	avm	accepted	0.00	4.6M	D-DMD
9	2013-08-18 23:34:46	Robert Gerbicz	accepted	0.01	2.6M	C++ 4.3.2
10	2013-08-19 04:32:05	Miguel Oliveira	accepted	0.01	27M	CPP
11	2013-08-19 07:12:10	Mitch Schwartz	accepted	0.01	2.8M	C++ 4.3.2
12	2013-08-28 16:28:30	[Lakshman]	accepted	0.01	3.3M	C++ 4.3.2
13	2013-09-07 07:10:39	Joshi Cordova Monroy	accepted	0.01	3.1M	C++ 4.3.2
14	2013-09-09 11:49:34	Arpit Mittal	accepted	0.01	4.8M	C++ 4.3.2
15	2013-09-13 06:44:44	Suyash Garg	accepted	0.01	3.7M	C++ 4.3.2
16	2013-09-25 00:13:03	Michal Zgliczynski	accepted	0.01	7.6M	C++ 4.3.2
17	2013-12-30 10:23:31	BLANKRK	accepted	0.01	3.7M	C++ 4.3.2
18	2013-12-31 10:40:33	Rajesh Kumar	accepted	0.01	3.7M	C++ 4.3.2
19	2014-01-09 18:38:47	Yashpal	accepted	0.01	97M	C++ 4.3.2
20	2014-06-04 11:57:07	wisfaq	accepted	0.01	464k	PAS-FPC