Problem D
Engaging with Loyal Customers — Problem Statistics

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Submissions	1628
Accepted submissions	384
Submission ratio	23.59%
Authors	269
Full solves [?]	207
Full solve Ratio	76.95%

#	User	Runtime	Language	Date
1	Tran Tuong Minh Nguyen	1.07 s	C	2019-06-01 20:41:39
2	Ivan Petrov	1.30 s	C	2019-08-22 14:27:55

#	User	Runtime	Language	Date
1	Milton Kabir	0.28 s	C++	2019-08-28 03:58:03
2	塗大為	0.31 s	C++	2019-11-23 04:59:38
3	柚梨橘	0.34 s	C++	2019-10-20 10:56:24
4	Nguyen Thanh Trung	0.39 s	C++	2021-12-30 06:30:06
5	Quan Le	0.39 s	C++	2024-04-06 08:03:01
6	SiBi	0.40 s	C++	2018-10-30 10:36:28
7	Rafael Herman	0.41 s	C++	2018-11-27 05:24:00
8	Hongjun Jang	0.44 s	C++	2018-05-08 15:33:06
9	Jeremy Lim	0.45 s	C++	2025-11-06 12:15:02
10	Sung Gwan Park	0.48 s	C++	2017-12-14 10:31:58

#	User	Runtime	Language	Date
1	William Brigham	1.18 s	Java	2018-02-13 20:42:12
2	Alex Coleman	1.27 s	Java	2018-02-28 18:58:12
3	David Harmeyer	1.76 s	Java	2018-02-14 20:51:39
4	Eric Williamson	1.79 s	Java	2018-02-18 20:07:08
5	Daniel Moyer	1.84 s	Java	2018-02-18 22:49:16
6	Nick Wu	1.85 s	Java	2018-08-17 09:15:06
7	Mark Sturtevant	1.94 s	Java	2023-11-29 07:47:19

#	User	Length	Language	Date
1	Tran Tuong Minh Nguyen	2441	C	2019-06-01 20:41:39
2	Ivan Petrov	3005	C	2019-08-22 14:27:55

#	User	Length	Language	Date
1	鹿目圆	1379	C++	2018-10-22 14:49:17
2	Febriananda Wida Pramudita	1426	C++	2017-12-18 15:11:25
3	Peng Sirui	1447	C++	2021-09-30 08:29:55
4	Terry Cheong	1454	C++	2018-09-22 12:43:13
5	Đk Nguyễn	1492	C++	2019-11-28 22:01:27
6	NTU ACM	1519	C++	2018-09-26 08:39:45
7	Rikuto Kubota	1577	C++	2018-11-22 09:44:57
8	John Khoo	1612	C++	2025-03-10 12:35:58
9	Austin Chang	1635	C++	2018-10-20 05:50:20
10	Nicholas Russell Saerang	1672	C++	2023-09-11 22:33:20

#	User	Length	Language	Date
1	Alex Coleman	4140	Java	2018-02-28 18:58:12
2	David Harmeyer	4258	Java	2018-02-14 20:51:39
3	Nick Wu	4508	Java	2018-08-17 09:15:06
4	Mark Sturtevant	4865	Java	2023-11-29 07:47:19
5	William Brigham	6796	Java	2018-02-13 20:42:12
6	Daniel Moyer	13257	Java	2018-02-18 22:49:16
7	Eric Williamson	13450	Java	2018-02-18 20:07:08

Solution running time distribution