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Substrings statistics & best solutions

Users accepted	Submissions	Accepted	Wrong Answer	Compile Error	Runtime Error	Time Limit Exceeded
1260	7543	2231	1594	261	453	486

RANK	DATE	USER	RESULT	TIME	MEM	LANG
1	2019-03-23 07:59:11	Judge	accepted	0.04	70M	C++ 4.3.2
2	2019-03-23 08:00:51	Judge	accepted	0.04	83M	CPP14
3	2017-03-01 04:45:51	phantom	accepted	0.06	62M	C++ 4.3.2
4	2018-01-05 01:23:16	Shadyqwq	accepted	0.06	89M	CPP
5	2018-05-13 08:27:27	MitI_7	accepted	0.06	21M	CPP14
6	2018-06-10 14:47:24	DFPMTS	accepted	0.07	69M	C++ 4.3.2
7	2018-12-12 04:02:50	SGCollin	accepted	0.07	77M	CPP14
8	2019-01-10 16:28:58	redbag	accepted	0.07	133M	C++ 4.3.2
9	2017-03-04 09:11:02	shijieyywd	accepted	0.08	265M	CPP14
10	2018-12-18 01:08:39	zjd	accepted	0.08	77M	CPP14
11	2019-01-02 14:48:00	Nishikino_Curtis	accepted	0.08	75M	CPP14
12	2019-03-07 13:27:40	BestMSN	accepted	0.08	249M	CPP14
13	2019-06-17 14:41:14	kai586123	accepted	0.08	64M	C++ 4.3.2
14	2017-01-06 07:10:17	chenhongkan	accepted	0.09	63M	C++ 4.3.2
15	2017-06-25 04:26:08	RyongNamSan	accepted	0.09	77M	CPP14
16	2017-12-06 13:03:41	normal	accepted	0.09	62M	C++ 4.3.2
17	2018-03-10 12:36:32	as2341567	accepted	0.09	62M	C++ 4.3.2
18	2018-08-09 14:52:43	daklqw	accepted	0.09	80M	C++ 4.3.2
19	2018-09-22 10:30:49	Evildoer	accepted	0.09	262M	CPP
20	2018-10-13 01:04:47	Z	accepted	0.09	67M	C++ 4.3.2