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Growing Strings statistics & best solutions

Users accepted	Submissions	Accepted	Wrong Answer	Compile Error	Runtime Error	Time Limit Exceeded
172	1205	383	160	64	230	344

RANK	DATE	USER	RESULT	TIME	MEM	LANG
1	2011-02-11 12:46:19	gzh	accepted	0.42	27M	CPP
2	2015-02-20 20:16:49	Matheus Leăo	accepted	0.42	24M	C++ 4.3.2
3	2011-07-23 03:47:58	Gabriel Luís Mello Dalalio [ITA]	accepted	0.43	23M	C++ 4.3.2
4	2013-05-04 21:04:05	lftm	accepted	0.45	23M	C++ 4.3.2
5	2011-02-11 12:45:16	gzh	accepted	0.47	26M	C++ 4.3.2
6	2011-02-06 07:31:22	BenZ	accepted	0.57	39M	C++ 4.3.2
7	2011-02-10 05:39:19	pty	accepted	0.57	27M	C++ 4.3.2
8	2012-04-18 13:50:49	zy.chen	accepted	0.57	119M	C++ 4.3.2
9	2013-08-02 09:24:25	Edu	accepted	0.57	38M	C++ 4.3.2
10	2014-10-27 23:09:17	Welton Cardoso do Carmo [UFG]	accepted	0.57	20M	C++ 4.3.2
11	2016-11-01 16:02:39	MrWin	accepted	0.61	236M	C++ 4.3.2
12	2017-02-20 20:54:30	drangelp	accepted	0.70	121M	C++ 4.3.2
13	2011-02-12 03:11:28	djy	accepted	0.72	26M	C++ 4.3.2
14	2017-08-11 01:37:53	yhzq	accepted	0.72	114M	C++ 4.3.2
15	2013-04-01 00:12:02	zhoubo	accepted	0.74	113M	C++ 4.3.2
16	2014-06-24 07:29:23	Saurabh Singh	accepted	0.78	236M	CPP
17	2016-11-01 09:46:43	MrWin	accepted	0.80	617M	CPP14
18	2011-07-22 14:21:20	shadjudge	accepted	0.84	116M	CPP
19	2013-10-08 12:32:53	wang	accepted	0.88	110M	C++ 4.3.2
20	2012-11-11 11:46:29	Eve	accepted	0.90	113M	C++ 4.3.2