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Query on a tree VII statistics & best solutions

Users accepted	Submissions	Accepted	Wrong Answer	Compile Error	Runtime Error	Time Limit Exceeded
262	2044	361	336	45	175	87

RANK	DATE	USER	RESULT	TIME	MEM	LANG
1	2017-02-20 08:48:09	chenhongkan	accepted	0.77	37M	CPP14-CLANG
2	2016-08-30 19:20:01	Jyothendra Varma	accepted	0.86	35M	C++ 4.3.2
3	2016-10-30 10:45:37	__debug	accepted	0.89	16M	CPP
4	2014-09-04 09:18:29	wangyisong	accepted	0.91	19M	C++ 4.3.2
5	2017-02-20 12:06:59	Kyle	accepted	0.91	38M	CPP14-CLANG
6	2019-03-08 09:31:40	Dis	accepted	0.91	45M	CPP14
7	2018-01-11 15:58:54	dzyo	accepted	0.92	20M	C++ 4.3.2
8	2019-03-10 14:20:45	Leo	accepted	0.95	39M	CPP14
9	2018-03-20 15:24:32	KSkun	accepted	0.98	39M	CPP14
10	2019-03-14 08:28:18	Hometown	accepted	0.98	36M	CPP14
11	2016-12-07 13:48:47	hello	accepted	0.99	16M	C++ 4.3.2
12	2018-05-13 11:45:40	Sergio Vieri	accepted	1.03	45M	CPP14
13	2021-10-28 14:41:17	lemondinsaur	accepted	1.08	26M	CPP14
14	2017-03-09 12:24:41	Miloris	accepted	1.10	16M	C++ 4.3.2
15	2017-01-30 06:26:24	laofu	accepted	1.11	25M	CPP
16	2020-04-09 13:01:40	mimi	accepted	1.16	25M	CPP14
17	2013-12-01 02:31:45	Luka Kalinovcic	accepted	1.17	29M	C++ 4.3.2
18	2017-03-27 05:54:18	Squirrel	accepted	1.17	16M	C++ 4.3.2
19	2021-02-27 07:50:35	mei21	accepted	1.18	16M	C++ 4.3.2
20	2017-03-09 13:08:43	Golden_Slime	accepted	1.20	40M	CPP