Problem D
Groupthink — Problem Statistics

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Submissions	367
Accepted submissions	148
Submission ratio	40.33%
Authors	120
Full solves [?]	110
Full solve Ratio	91.67%

#	User	Runtime	Language	Date
1	Qiankun Peng	0.01 s	C	2017-10-13 20:45:08

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-11-16 19:08:48

#	User	Runtime	Language	Date
1	Brent Yorgey	0.06 s	Haskell	2021-10-29 02:05:57
2	Steinar Simonnes	0.08 s	Haskell	2024-05-01 12:57:23
3	Ishan Sarode	0.10 s	Haskell	2024-04-16 03:06:35

#	User	Runtime	Language	Date
1	Issa Issack	0.07 s	Java	2025-04-03 21:41:58
2	Bjørn Dons	0.09 s	Java	2024-04-22 20:38:43
3	Crystal Sharpe	0.10 s	Java	2021-10-29 03:05:16
4	Ranjith M	0.15 s	Java	2024-07-07 21:20:52
5	Doug Goodman	0.16 s	Java	2022-01-07 17:47:58
6	Tan Gian Yion	0.16 s	Java	2022-01-11 18:32:12
7	Liam Keliher	0.18 s	Java	2022-12-16 02:29:10
8	Micah Stairs	0.19 s	Java	2021-11-27 02:11:53
9	Saathvik Selvan	0.19 s	Java	2024-01-05 17:49:48
10	Alexander Matheson	0.27 s	Java	2025-09-24 01:48:06

#	User	Runtime	Language	Date
1	Erlend Raa Vågset	0.07 s	JavaScript (Node.js)	2025-10-10 18:39:21

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.07 s	JavaScript (SpiderMonkey)	2024-07-21 11:47:47
2	Jimmy Gustafsson	0.07 s	JavaScript (SpiderMonkey)	2024-08-19 23:17:32

#	User	Runtime	Language	Date
1	Timothy Gaede	0.69 s	Julia	2024-07-01 07:39:44

#	User	Runtime	Language	Date
1	Andreas Björklund	0.08 s	Python 2	2022-02-01 16:45:37

#	User	Runtime	Language	Date
1	Dominic Berzin Chua Way Gin	0.05 s	Python 3	2025-04-18 08:00:29
2	Kadin Matotek	0.06 s	Python 3	2025-06-14 06:21:20
3	Yong Mao	0.06 s	Python 3	2025-07-24 02:16:27
4	Hidden user	0.06 s	Python 3	2025-07-25 17:50:22
5	Ryan Tan	0.06 s	Python 3	2025-08-02 18:09:48
6	Russell	0.06 s	Python 3	2025-09-21 01:04:15
7	Petr	0.07 s	Python 3	2025-06-09 01:28:32
8	Javier París	0.08 s	Python 3	2024-09-19 18:03:32
9	Hugo Bäckman	0.08 s	Python 3	2025-03-21 14:11:57
10	Hidden user	0.08 s	Python 3	2025-04-10 15:15:26

#	User	Length	Language	Date
1	Qiankun Peng	872	C	2017-10-13 20:45:08

#	User	Length	Language	Date
1	Mohsen Mahroos	620	C++	2024-06-04 17:33:26
2	Cole Miller	807	C++	2024-01-04 03:28:51
3	Peter Lee	1046	C++	2017-10-13 19:09:18
4	Daryll Ko	1120	C++	2021-11-07 03:07:07
5	Dmitry Lyubshin	1155	C++	2023-04-28 07:23:58
6	Christian Yongwhan Lim	1188	C++	2024-07-06 14:45:52
7	Tùng Hoàng Lâm	1208	C++	2024-08-29 15:17:47
8	Mikael K Eriksson	1221	C++	2024-04-17 22:10:34
9	Noah Hessen Bjerke	1252	C++	2025-11-04 13:05:05
10	Atli Fannar Franklín	1259	C++	2024-03-07 14:58:24

#	User	Length	Language	Date
1	Norbert Voelker	1569	Go	2021-11-16 19:08:48

#	User	Length	Language	Date
1	Ishan Sarode	1702	Haskell	2024-04-16 03:06:35
2	Steinar Simonnes	1765	Haskell	2024-05-01 12:58:49
3	Brent Yorgey	8518	Haskell	2021-10-29 02:05:57

#	User	Length	Language	Date
1	Damien Robichaud	1249	Java	2017-10-13 21:14:27
2	Vlad Marica	1370	Java	2017-10-13 21:14:40
3	Doug Goodman	1399	Java	2022-01-07 17:47:58
4	Crystal Sharpe	1434	Java	2021-10-29 03:05:16
5	Olivier Bourgeois	1443	Java	2017-10-13 19:58:15
6	Micah Stairs	2118	Java	2021-11-27 02:11:53
7	Alexander Matheson	2586	Java	2025-09-24 01:48:06
8	Hidden user	2604	Java	2023-06-28 14:44:02
9	Saathvik Selvan	3011	Java	2024-01-05 17:49:48
10	Liam Keliher	3284	Java	2022-12-16 02:29:10

#	User	Length	Language	Date
1	Erlend Raa Vågset	1495	JavaScript (Node.js)	2025-10-10 18:39:21

#	User	Length	Language	Date
1	Jimmy Gustafsson	713	JavaScript (SpiderMonkey)	2024-08-19 23:17:32
2	Christian Pilegaard Cederquist	1495	JavaScript (SpiderMonkey)	2024-07-21 11:47:47

#	User	Length	Language	Date
1	Timothy Gaede	3001	Julia	2024-07-01 07:39:44

#	User	Length	Language	Date
1	Andreas Björklund	829	Python 2	2022-02-01 16:45:37

#	User	Length	Language	Date
1	Casper Rysgaard	385	Python 3	2023-10-19 23:23:15
2	Benjamin Z White	397	Python 3	2023-07-12 02:50:12
3	Paco Criado	500	Python 3	2023-09-03 00:34:43
4	Thibault Raffaillac	520	Python 3	2021-12-04 19:21:00
5	Ahmed Chamseddine	588	Python 3	2024-09-03 09:29:38
6	Oskar Haarklou Veileborg	594	Python 3	2022-02-11 13:58:49
7	Jason Clarke	649	Python 3	2024-04-07 17:59:23
8	Nicholas Russell Saerang	716	Python 3	2024-03-03 12:04:13
9	Hamza Ba-mohammed	830	Python 3	2024-02-02 23:43:03
10	Xiu-Heng Hua	842	Python 3	2021-12-02 18:00:46

Solution running time distribution