Problem B
A Tricky Problem — Problem Statistics

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Submissions	2773
Accepted submissions	1030
Submission ratio	37.14%
Authors	1023
Accepted authors	900
Author ratio	87.98%

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	C#	2017-03-14 03:37:02
2	Hidden user	0.03 s	C#	2019-09-16 23:21:33
3	Andrew Lee	0.07 s	C#	2015-09-19 18:05:15
4	Hidden user	0.16 s	C#	2016-09-09 01:29:21

#	User	Runtime	Language	Date
1	Yueqi Li	0.06 s	Java	2023-09-12 04:21:55
2	Amit Pradhan	0.07 s	Java	2020-08-29 20:35:59
3	SXX	0.08 s	Java	2019-08-22 01:46:01
4	Rupali Sinha	0.08 s	Java	2020-08-17 09:06:28
5	Hidden user	0.09 s	Java	2018-05-28 22:58:27
6	Hidden user	0.09 s	Java	2018-08-17 06:31:53
7	Hidden user	0.09 s	Java	2018-08-29 00:08:14
8	Hidden user	0.09 s	Java	2018-09-12 17:25:31
9	Hidden user	0.09 s	Java	2018-09-17 04:38:13
10	Hidden user	0.10 s	Java	2018-09-09 12:44:16

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	JavaScript (Node.js)	2019-06-24 08:05:54
2	Giorgi	0.09 s	JavaScript (Node.js)	2023-09-10 04:34:46
3	Anqi Ni	0.40 s	JavaScript (Node.js)	2019-07-13 15:00:18

#	User	Runtime	Language	Date
1	Muhammad Umair Mustafa	0.02 s	PHP	2016-03-24 02:34:12

#	User	Runtime	Language	Date
1	Mark Collier	0.02 s	Python 2	2016-09-27 02:15:59
2	Hidden user	0.02 s	Python 2	2017-09-26 19:56:12
3	Yunlin Gao	0.02 s	Python 2	2022-08-30 23:00:35
4	Yuchen Guo	0.02 s	Python 2	2022-09-02 12:22:16
5	Hidden user	0.03 s	Python 2	2016-09-26 05:38:15
6	rCh3M2gQ	0.03 s	Python 2	2016-12-11 19:28:15
7	Hidden user	0.03 s	Python 2	2016-12-19 00:34:42
8	Hidden user	0.03 s	Python 2	2017-01-02 01:59:13
9	Hidden user	0.03 s	Python 2	2017-01-04 03:27:00
10	Chris Brown	0.03 s	Python 2	2017-01-05 17:17:54

#	User	Runtime	Language	Date
1	Zhou Mingyang	0.02 s	Python 3	2015-09-06 23:15:38
2	Deep Ghosh	0.02 s	Python 3	2015-09-20 17:04:50
3	Hidden user	0.02 s	Python 3	2015-10-13 20:48:12
4	Hidden user	0.02 s	Python 3	2015-10-30 21:43:31
5	Jessica Lu	0.02 s	Python 3	2015-10-31 21:55:59
6	Hidden user	0.02 s	Python 3	2015-11-03 00:56:25
7	Hidden user	0.02 s	Python 3	2015-11-03 06:05:13
8	Hidden user	0.02 s	Python 3	2015-11-28 22:07:22
9	Patrick Lau	0.02 s	Python 3	2016-06-11 20:31:37
10	Zachary Duey	0.02 s	Python 3	2016-06-14 17:06:01

#	User	Runtime	Language	Date
1	Zhenxun Zhang	0.05 s	Python 3 with NumPy	2023-09-08 15:03:50
2	Jie Cao	0.05 s	Python 3 with NumPy	2023-09-10 03:11:24
3	Jeff Zhong	0.05 s	Python 3 with NumPy	2023-09-12 16:53:26

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Ruby	2018-06-25 11:23:41
2	Hidden user	0.04 s	Ruby	2019-11-24 06:13:50
3	Hidden user	0.05 s	Ruby	2016-08-18 16:56:06
4	Hidden user	0.05 s	Ruby	2018-09-16 23:18:05
5	Mark Donald Amobi	0.05 s	Ruby	2019-02-20 00:15:09
6	Hidden user	0.06 s	Ruby	2017-09-05 21:05:50

#	User	Length	Language	Date
1	Xueyin Wang	652	C	2015-09-22 17:00:26
2	Hidden user	920	C	2017-09-05 00:57:42
3	Alice Lii	933	C	2015-09-20 08:01:25
4	Mingyuan Zhong	957	C	2016-04-27 14:06:46
5	Hidden user	1018	C	2019-05-08 16:39:45
6	Hidden user	1097	C	2016-09-11 21:24:10
7	Jiankun Tao	1156	C	2015-09-21 23:03:17
8	Hidden user	1227	C	2018-08-09 23:51:07
9	Hidden user	1272	C	2016-09-07 04:43:46
10	Xiaoyang Xu	1284	C	2015-09-22 04:36:23

#	User	Length	Language	Date
1	Andrew Lee	885	C#	2015-09-19 18:05:15
2	Hidden user	1118	C#	2016-09-09 01:29:21
3	Hidden user	1387	C#	2017-03-14 03:37:02
4	Hidden user	1593	C#	2019-09-16 23:21:33

#	User	Length	Language	Date
1	Hidden user	539	C++	2018-09-16 05:00:44
2	Hidden user	604	C++	2019-09-05 17:55:42
3	Hidden user	651	C++	2018-09-15 20:28:37
4	Hidden user	713	C++	2016-06-02 03:47:31
5	Shobhit Verma	744	C++	2021-06-14 14:35:33
6	Ingram Inxent	755	C++	2017-09-08 00:45:00
7	Hidden user	755	C++	2016-09-05 13:34:50
8	崔岩	756	C++	2016-07-08 05:12:03
9	Hidden user	775	C++	2017-07-22 21:36:17
10	Hidden user	777	C++	2016-08-26 03:07:48

#	User	Length	Language	Date
1	Hidden user	740	Java	2018-09-12 17:25:31
2	Hidden user	926	Java	2017-07-18 03:27:26
3	Hidden user	940	Java	2017-03-27 05:48:37
4	Hidden user	943	Java	2016-09-04 12:14:01
5	Hidden user	980	Java	2016-09-12 01:03:00
6	Xinran Wang	985	Java	2015-09-09 02:27:06
7	Hidden user	1006	Java	2016-09-01 23:53:07
8	Hidden user	1009	Java	2018-09-17 04:38:13
9	Hidden user	1026	Java	2016-09-13 23:03:47
10	Hidden user	1037	Java	2016-09-15 03:10:12

#	User	Length	Language	Date
1	Anqi Ni	806	JavaScript (Node.js)	2019-07-13 15:00:18
2	Hidden user	1012	JavaScript (Node.js)	2019-06-24 08:05:54
3	Giorgi	1088	JavaScript (Node.js)	2023-09-10 04:34:46

#	User	Length	Language	Date
1	Muhammad Umair Mustafa	902	PHP	2016-03-24 02:34:12

#	User	Length	Language	Date
1	Mark Collier	408	Python 2	2016-09-27 02:15:59
2	Hidden user	424	Python 2	2018-06-02 02:03:07
3	Shixian Fang	450	Python 2	2017-09-08 04:17:41
4	Hidden user	475	Python 2	2017-04-08 04:55:03
5	Edgar Pal	481	Python 2	2016-06-14 04:26:28
6	John Moison	490	Python 2	2016-03-24 04:22:04
7	Yuchen Guo	509	Python 2	2022-09-02 12:22:16
8	Isabel Lee	522	Python 2	2016-09-15 19:19:56
9	Hidden user	528	Python 2	2020-01-04 05:58:51
10	Siyuan Cao	535	Python 2	2018-08-10 06:32:54

#	User	Length	Language	Date
1	Manaswini Aitha	373	Python 3	2022-05-28 12:29:31
2	Prem Chand Gurram	381	Python 3	2022-05-05 18:53:43
3	Hidden user	386	Python 3	2017-01-03 07:35:00
4	Hidden user	398	Python 3	2018-09-17 00:28:40
5	Hidden user	400	Python 3	2019-08-16 14:51:56
6	Hidden user	417	Python 3	2018-09-10 23:26:15
7	Wafic Chahine	428	Python 3	2022-08-01 22:03:49
8	Hidden user	429	Python 3	2018-09-14 23:29:01
9	Hidden user	430	Python 3	2019-09-04 21:55:45
10	Naganithin Manne	432	Python 3	2019-07-19 08:13:35

#	User	Length	Language	Date
1	Jeff Zhong	494	Python 3 with NumPy	2023-09-12 16:53:26
2	Zhenxun Zhang	619	Python 3 with NumPy	2023-09-08 15:03:50
3	Jie Cao	830	Python 3 with NumPy	2023-09-10 03:11:24

#	User	Length	Language	Date
1	Mark Donald Amobi	703	Ruby	2019-02-20 00:15:09
2	Hidden user	1001	Ruby	2016-08-18 16:56:06
3	Hidden user	1007	Ruby	2017-09-05 21:05:50
4	Hidden user	1049	Ruby	2018-06-25 11:23:41
5	Hidden user	1099	Ruby	2018-09-16 23:18:05
6	Hidden user	1327	Ruby	2019-11-24 06:13:50

Solution running time distribution