Problem D
All Just A Dream — Problem Statistics

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Submissions	3984
Accepted submissions	1034
Submission ratio	25.95%
Authors	758
Full solves [?]	579
Full solve Ratio	76.39%

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	C	2017-06-07 08:32:29
2	Flep	0.06 s	C	2020-02-14 17:42:36
3	Ivan Petrov	0.19 s	C	2019-09-16 14:18:45

#	User	Runtime	Language	Date
1	Amish De Meirleir	0.59 s	C#	2019-11-22 15:44:39
2	Robbe Decraemer	0.60 s	C#	2019-11-22 15:42:43

#	User	Runtime	Language	Date
1	Johannes Olegård	0.05 s	C++	2016-09-19 11:21:46
2	Agis Daniels	0.06 s	C++	2022-01-15 15:52:14
3	Davide Vecchi	0.07 s	C++	2021-11-27 02:13:01
4	Massimo Stefan	0.07 s	C++	2022-03-06 15:30:06
5	Elias Lousseief	0.09 s	C++	2017-09-19 14:28:55
6	Alfred Andersson	0.09 s	C++	2019-02-01 04:22:16
7	Anton Lyxell	0.09 s	C++	2019-02-02 17:35:13
8	Neev Kataria	0.09 s	C++	2023-12-10 13:05:40
9	Tai Tze Kin	0.09 s	C++	2025-01-01 10:40:15
10	Gabriella Gloria	0.09 s	C++	2025-05-07 17:56:21

#	User	Runtime	Language	Date
1	Julian Duniec	0.36 s	Go	2023-02-28 14:12:29
2	Hidden user	0.97 s	Go	2019-06-02 17:38:42

#	User	Runtime	Language	Date
1	Tomas Möre	0.12 s	Haskell	2019-02-02 17:14:40
2	Ryan Chew	0.24 s	Haskell	2019-01-23 08:37:07
3	Vasiliy Kevroletin	0.71 s	Haskell	2018-05-17 08:09:28

#	User	Runtime	Language	Date
1	Bassilekin jean simonet	0.39 s	Java	2025-04-21 23:35:04
2	Simon Klein	0.48 s	Java	2012-01-12 16:51:31
3	Bjørn Dons	0.50 s	Java	2018-10-28 21:09:34
4	Edvin Lundberg	0.55 s	Java	2016-09-17 19:19:11
5	Subham Swastik Dora	0.57 s	Java	2017-06-17 11:36:11
6	Andrew Polizzotto	0.59 s	Java	2020-07-21 13:46:33
7	Benjamin Laurence Erickson	0.60 s	Java	2016-09-17 23:58:16
8	Andreas Wassum	0.61 s	Java	2017-07-17 01:42:39
9	Elias Andersson	0.62 s	Java	2016-09-20 14:32:22
10	Tom Johansson	0.62 s	Java	2016-09-20 16:06:42

#	User	Runtime	Language	Date
1	Michael Aghassi	0.56 s	JavaScript (Node.js)	2024-11-29 22:35:55

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.70 s	JavaScript (SpiderMonkey)	2023-10-05 16:56:10

#	User	Runtime	Language	Date
1	ZANGUE JOREL TIOMELA	0.95 s	Kotlin	2025-04-21 21:53:12

#	User	Runtime	Language	Date
1	Terrence Naldoza	0.23 s	PHP	2024-11-30 04:46:59

#	User	Runtime	Language	Date
1	Øyvind Haarberg	0.20 s	Python 2	2018-10-02 14:16:59
2	Maisam Arif	0.22 s	Python 2	2017-02-03 21:37:03
3	Juliang Li	0.22 s	Python 2	2018-01-29 04:43:33
4	Frederik Højholt	0.24 s	Python 2	2016-07-06 22:53:05
5	Hidden user	0.24 s	Python 2	2017-02-03 07:39:31
6	Jessica Fang	0.24 s	Python 2	2017-02-03 07:39:58
7	Rachel Campbell	0.25 s	Python 2	2017-05-07 20:30:31
8	Robert Welin-Berger	0.28 s	Python 2	2017-09-14 23:25:07
9	Sigurður Jens Albertsson	0.28 s	Python 2	2017-11-28 18:34:14
10	Steven Tran	0.29 s	Python 2	2018-01-31 05:29:49

#	User	Runtime	Language	Date
1	Petr	0.24 s	Python 3	2025-06-25 22:03:08
2	Michel Wermelinger	0.26 s	Python 3	2020-05-11 21:18:24
3	Ram Basnet	0.26 s	Python 3	2022-10-20 07:55:59
4	Yi-Min Seah	0.28 s	Python 3	2022-09-18 06:00:00
5	Shuyang Bian	0.28 s	Python 3	2023-05-31 19:49:52
6	Eric Druid	0.29 s	Python 3	2022-10-28 00:20:43
7	Guillaume Tardif	0.30 s	Python 3	2024-09-11 05:51:09
8	Ameer Masad	0.30 s	Python 3	2024-11-29 08:43:05
9	Jordan Toulepi	0.30 s	Python 3	2025-04-21 21:58:57
10	Irving Tsakem	0.30 s	Python 3	2025-04-21 22:04:34

#	User	Runtime	Language	Date
1	Hidden user	0.45 s	Ruby	2019-02-27 11:45:08
2	Thomas Feld	0.53 s	Ruby	2023-10-24 13:51:52
3	André Danielsson	0.58 s	Ruby	2016-09-16 10:11:18

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.02 s	Rust	2025-04-17 21:24:29
2	Ole Johan Walderhaug	0.08 s	Rust	2021-05-01 00:57:34
3	Daniel Anker Hermansen	0.18 s	Rust	2023-05-24 19:21:05
4	Gustaf Bergmark	0.22 s	Rust	2023-02-03 08:52:17
5	Chaoyi Yin	0.25 s	Rust	2019-01-16 18:27:45

#	User	Length	Language	Date
1	Hidden user	4850	C	2017-06-07 08:51:32
2	Flep	5207	C	2020-02-14 17:42:36
3	Ivan Petrov	7673	C	2019-09-16 14:18:45

#	User	Length	Language	Date
1	Robbe Decraemer	2749	C#	2019-11-22 15:42:43
2	Amish De Meirleir	2749	C#	2019-11-22 15:44:39

#	User	Length	Language	Date
1	Amredin Seid	900	C++	2023-01-18 21:32:51
2	Alfredo Beaumont	901	C++	2019-10-29 00:00:51
3	Mitth'raw'nuruodo	944	C++	2019-11-22 16:20:03
4	nabil arjani	944	C++	2019-12-18 23:34:48
5	Liu Chaojie	944	C++	2019-12-27 07:22:20
6	William Gan	976	C++	2018-03-11 05:28:35
7	Hua Fan Cai	1005	C++	2018-09-27 08:01:40
8	Nathaniel Ang	1017	C++	2020-02-04 17:19:09
9	Fabio Giovanazzi	1019	C++	2021-11-22 21:44:50
10	Evan Michael Bailey	1052	C++	2023-09-13 22:08:25

#	User	Length	Language	Date
1	Julian Duniec	1261	Go	2023-02-28 14:12:29
2	Hidden user	2931	Go	2019-06-02 17:38:42

#	User	Length	Language	Date
1	Ryan Chew	2146	Haskell	2019-01-23 08:37:07
2	Tomas Möre	3479	Haskell	2019-02-02 16:19:56
3	Vasiliy Kevroletin	5217	Haskell	2018-05-17 08:09:28

#	User	Length	Language	Date
1	Lucas Wood	1550	Java	2017-04-21 05:41:00
2	Doug Goodman	1686	Java	2016-09-17 18:32:04
3	Jake Crouch	1735	Java	2018-05-14 04:46:13
4	Eric Leow Yu Quan	1737	Java	2021-02-20 17:44:03
5	Andrew Polizzotto	1763	Java	2020-07-21 13:46:33
6	Linus Tufvesson	1940	Java	2017-10-20 20:03:49
7	Benjamin Laurence Erickson	2019	Java	2016-09-17 23:58:16
8	Quan Chau	2032	Java	2017-10-06 21:31:05
9	Danniel Alcantara	2086	Java	2024-02-06 03:10:16
10	Hidden user	2145	Java	2024-12-08 17:55:58

#	User	Length	Language	Date
1	Michael Aghassi	2518	JavaScript (Node.js)	2024-11-29 22:35:55

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1660	JavaScript (SpiderMonkey)	2023-10-05 16:56:10

#	User	Length	Language	Date
1	ZANGUE JOREL TIOMELA	2207	Kotlin	2025-04-21 21:53:12

#	User	Length	Language	Date
1	Terrence Naldoza	1788	PHP	2024-11-30 04:46:59

#	User	Length	Language	Date
1	Sigurður Jens Albertsson	945	Python 2	2017-11-28 18:34:14
2	Steven Tran	1024	Python 2	2018-01-31 05:29:49
3	Steven Hwang	1060	Python 2	2020-05-02 06:54:17
4	Erik Odenman	1065	Python 2	2015-05-11 23:28:34
5	Jessica Fang	1158	Python 2	2017-02-03 22:25:57
6	Hidden user	1180	Python 2	2017-02-03 07:39:31
7	Rachel Campbell	1209	Python 2	2017-05-07 20:30:31
8	Juliang Li	1279	Python 2	2018-01-29 04:43:33
9	Øyvind Haarberg	1409	Python 2	2018-10-02 14:16:59
10	Maisam Arif	1548	Python 2	2017-02-03 21:37:03

#	User	Length	Language	Date
1	Alfred Olsson	787	Python 3	2019-07-29 12:02:52
2	Oskar Haarklou Veileborg	826	Python 3	2021-01-08 14:32:09
3	Dante Bencivenga	837	Python 3	2023-09-28 02:41:40
4	Andreas Björklund	845	Python 3	2020-03-12 19:05:40
5	Petr	935	Python 3	2025-06-25 21:53:03
6	Kelly Dance	993	Python 3	2022-09-10 02:02:33
7	Max McEvoy	996	Python 3	2023-10-02 05:01:56
8	Michel Wermelinger	1022	Python 3	2020-05-11 21:18:24
9	Sigurjón Freyr Viktorsson	1050	Python 3	2016-04-26 20:46:25
10	Steven Hwang	1056	Python 3	2020-05-02 06:51:37

#	User	Length	Language	Date
1	Thomas Feld	248	Ruby	2023-10-24 13:55:29
2	Hidden user	697	Ruby	2019-02-27 11:43:58
3	André Danielsson	1344	Ruby	2016-09-19 16:22:48

#	User	Length	Language	Date
1	Chaoyi Yin	2890	Rust	2019-01-16 18:27:45
2	Ole Johan Walderhaug	3707	Rust	2021-05-01 01:10:04
3	Gustaf Bergmark	6229	Rust	2023-02-03 08:52:17
4	Daniel Anker Hermansen	21840	Rust	2023-05-24 19:21:05
5	Vincent Lagerros	55299	Rust	2025-04-17 21:23:37

Solution running time distribution