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Problem 2 statistics & best solutions

Users accepted	Submissions	Accepted	Wrong Answer	Compile Error	Runtime Error	Time Limit Exceeded
22	61	23	11	5	4	17

RANK	DATE	USER	RESULT	TIME	MEM	LANG
1	2011-04-15 17:52:36	Leandro Souza Costa	accepted	0.02	2.8M	C++ 4.3.2
2	2012-08-01 19:32:46	gyosh	accepted	0.02	2.6M	C++ 4.3.2
3	2011-09-23 09:20:52	Rachit Rawat	accepted	0.03	2.8M	C++ 4.3.2
4	2011-03-26 22:25:28	LJ	accepted	0.04	2.0M	C
5	2015-06-03 13:44:39	ju	accepted	0.04	3.1M	CPP
6	2011-03-02 11:12:05	sushant bhatia	accepted	0.05	2.8M	C++ 4.3.2
7	2011-03-23 08:39:34	Rully Soelaiman	accepted	0.05	2.6M	C++ 4.3.2
8	2012-08-02 06:57:41	Reinhart Hermanus	accepted	0.05	2.6M	C++ 4.3.2
9	2012-09-24 10:26:28	=====e^(iπ)+1=0=====	accepted	0.05	2.7M	C++ 4.3.2
10	2015-06-04 15:23:58	Teddy Budiono Hermawan	accepted	0.05	2.7M	C++ 4.3.2
11	2011-07-15 17:45:40	Fernando [Unicamp]	accepted	0.06	2.6M	C++ 4.3.2
12	2012-08-02 08:16:08	Rakina	accepted	0.06	2.7M	C++ 4.3.2
13	2012-12-02 10:56:01	maigattt	accepted	0.06	2.8M	C++ 4.3.2
14	2012-12-12 11:35:33	Raditya	accepted	0.07	2.8M	C++ 4.3.2
15	2012-08-02 06:27:33	Power Ranger	accepted	0.11	2.8M	C++ 4.3.2
16	2012-08-03 18:33:40	jonathanirvings	accepted	0.12	2.8M	C++ 4.3.2
17	2025-02-18 18:14:48	near_crowd	accepted	0.18	5.2M	CPP14
18	2025-05-22 03:50:47	yuliangsong	accepted	0.20	5.2M	CPP
19	2025-02-19 13:10:18	Matthew Jevan	accepted	0.22	5.2M	CPP
20	2025-05-20 08:35:41	why	accepted	0.24	5.2M	CPP14