Problem D
Concentration — Problem Statistics

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Submissions	583
Accepted submissions	180
Submission ratio	30.87%
Authors	187
Full solves [?]	151
Full solve Ratio	80.75%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.01 s	C	2019-06-23 14:34:03
2	Tran Tuong Minh Nguyen	0.04 s	C	2018-02-06 19:27:22

#	User	Runtime	Language	Date
1	Laurens Fijn van Draat	0.11 s	C#	2025-09-04 18:49:30

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	C++	2021-03-11 17:52:47
2	Frank Endriss	0.01 s	C++	2022-06-28 13:01:31
3	Hidden user	0.03 s	C++	2017-10-14 21:29:43
4	Andrew Lin	0.03 s	C++	2017-10-14 21:42:32
5	Ojas Deshpande	0.03 s	C++	2017-10-14 21:48:28
6	Brandon Zhang	0.03 s	C++	2017-10-14 22:03:08
7	Rares Cristian	0.03 s	C++	2017-10-14 22:06:46
8	Kasper Borys	0.03 s	C++	2017-10-14 22:09:15
9	Robin Christopher Yu	0.03 s	C++	2018-01-18 04:38:55
10	Nils Gustafsson	0.03 s	C++	2018-07-18 19:17:40

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.13 s	Java	2020-09-04 06:47:21
2	José Vander Meulen	0.14 s	Java	2018-12-03 21:57:53
3	Sam Reinehr	0.22 s	Java	2017-10-14 20:51:00
4	Alyssa Herbst	0.28 s	Java	2017-10-14 23:22:44
5	Godmar Back	0.28 s	Java	2017-10-17 19:38:19
6	Daniel Chen	0.29 s	Java	2017-10-15 01:18:49
7	Blake Mealey	0.31 s	Java	2017-10-14 23:59:48
8	Nathaniel Lahn	0.32 s	Java	2017-10-14 23:58:14
9	Dante Bencivenga	0.33 s	Java	2017-10-15 00:54:11
10	Alex Lind	0.34 s	Java	2017-10-15 00:47:24

#	User	Runtime	Language	Date
1	Слава Гуляев	0.58 s	Kotlin	2017-11-07 14:58:24

#	User	Runtime	Language	Date
1	Eric Williamson	0.12 s	Python 2	2017-10-14 22:34:31
2	Godmar Back	0.16 s	Python 2	2017-10-14 21:50:28
3	Björn Magnusson	0.18 s	Python 2	2019-09-25 19:08:04
4	Lars Åström	0.18 s	Python 2	2019-09-25 20:36:57
5	Bertrand Evertz	0.21 s	Python 2	2020-12-17 23:34:43
6	Måns Magnusson	0.24 s	Python 2	2019-09-25 19:53:44
7	Maj Stenmark	0.24 s	Python 2	2019-09-25 22:01:15
8	Torstein Strømme	0.32 s	Python 2	2017-12-11 19:20:27

#	User	Runtime	Language	Date
1	Kamiel Cornelissen	0.12 s	Python 3	2025-08-20 17:42:43
2	Oskar Haarklou Veileborg	0.14 s	Python 3	2021-11-03 12:48:12
3	Christopher Reichling	0.16 s	Python 3	2025-11-11 16:48:39
4	Andrew Wood	0.18 s	Python 3	2022-04-22 07:23:51
5	Koen Timmermans	0.18 s	Python 3	2025-09-04 17:36:14
6	Chosen Juan	0.20 s	Python 3	2022-12-02 22:04:20
7	Firas Al Chalabi	0.20 s	Python 3	2022-12-11 04:33:47
8	Ian DeHaan	0.21 s	Python 3	2020-10-02 05:14:18
9	Ahmed Siadomar	0.21 s	Python 3	2023-05-28 09:30:59
10	RandyWaterhouse	0.22 s	Python 3	2021-09-13 07:26:45

#	User	Runtime	Language	Date
1	Daniel Anker Hermansen	0.04 s	Rust	2023-09-29 23:36:31

#	User	Length	Language	Date
1	Tran Tuong Minh Nguyen	3244	C	2018-02-06 19:27:22
2	Bergur Snorrason	3476	C	2019-06-23 14:34:03

#	User	Length	Language	Date
1	Laurens Fijn van Draat	1988	C#	2025-09-04 18:49:30

#	User	Length	Language	Date
1	이창수	880	C++	2017-10-18 12:31:59
2	Antoni Guz	983	C++	2018-04-04 02:59:13
3	Ragur Krishnan	989	C++	2019-04-14 07:40:20
4	Jiarui Zhang	1024	C++	2017-10-14 21:51:00
5	Pedro Igor Oliveira	1028	C++	2017-10-14 23:14:56
6	Zac Friggstad	1064	C++	2017-10-16 05:40:04
7	Yupeng Gu	1186	C++	2019-04-24 04:27:17
8	Antonio Molina Lovett	1198	C++	2017-10-14 20:43:15
9	Tiancheng Jin	1294	C++	2017-10-14 22:29:47
10	Jerry Xu	1335	C++	2025-10-22 06:25:52

#	User	Length	Language	Date
1	Duncan Page	1359	Java	2018-10-23 01:01:40
2	Doug Goodman	1671	Java	2020-05-06 15:55:19
3	Sam Reinehr	1769	Java	2017-10-14 20:51:00
4	Josenildo Silva	1835	Java	2018-01-07 01:22:11
5	Jiru Xu	1893	Java	2017-10-18 01:06:09
6	Crystal Sharpe	1969	Java	2020-09-04 06:47:21
7	Finn Lidbetter	2201	Java	2017-10-14 22:12:16
8	Avery Whitaker	2333	Java	2017-10-14 23:54:41
9	Sonny Chan	2860	Java	2020-11-25 00:36:49
10	Daniel Moyer	3088	Java	2017-10-14 22:09:04

#	User	Length	Language	Date
1	Слава Гуляев	2110	Kotlin	2017-11-07 14:58:24

#	User	Length	Language	Date
1	Björn Magnusson	944	Python 2	2019-09-25 19:08:04
2	Lars Åström	944	Python 2	2019-09-25 20:36:57
3	Godmar Back	1263	Python 2	2017-10-14 21:50:28
4	Torstein Strømme	1304	Python 2	2017-12-11 19:20:27
5	Bertrand Evertz	1346	Python 2	2020-12-17 23:34:43
6	Eric Williamson	1415	Python 2	2017-10-14 22:34:31
7	Måns Magnusson	1624	Python 2	2019-09-25 19:53:44
8	Maj Stenmark	1624	Python 2	2019-09-25 22:01:15

#	User	Length	Language	Date
1	Victor Zheng	709	Python 3	2017-10-14 22:07:31
2	Oskar Haarklou Veileborg	753	Python 3	2021-11-03 12:48:12
3	Sergio Vieri	987	Python 3	2018-02-20 03:59:42
4	Kelly Dance	1135	Python 3	2023-09-19 04:00:55
5	Casper Rysgaard	1266	Python 3	2022-10-12 11:59:42
6	Torstein Strømme	1271	Python 3	2017-12-11 19:18:00
7	Koen Timmermans	1310	Python 3	2025-09-04 17:36:14
8	Chosen Juan	1396	Python 3	2022-12-02 22:04:20
9	Cian Ruane	1399	Python 3	2017-10-15 00:34:35
10	Shawn Mathew	1443	Python 3	2017-10-14 22:45:56

#	User	Length	Language	Date
1	Daniel Anker Hermansen	28594	Rust	2023-09-29 23:36:31

Solution running time distribution