Problem A
DA-Sort — Problem Statistics

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Submissions	1879
Accepted submissions	817
Submission ratio	43.48%
Authors	776
Full solves [?]	666
Full solve Ratio	85.82%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.01 s	C	2019-03-07 16:39:00
2	Eyleifur Bjarkason	0.01 s	C	2019-11-27 20:56:14
3	Hidden user	0.02 s	C	2017-11-23 00:42:43
4	Ivan Petrov	0.02 s	C	2017-12-06 10:07:23
5	Sambit Palit	0.02 s	C	2020-11-16 22:12:11
6	Felix Gia-Hung Pham	0.02 s	C	2025-10-02 21:11:06
7	Eric McKnight	0.05 s	C	2017-10-21 23:19:11

#	User	Runtime	Language	Date
1	Jonathan Bramley	0.01 s	C++	2017-10-21 20:02:46
2	Chiang Krongapiradee	0.01 s	C++	2017-10-25 01:30:40
3	Ming Xun Seah	0.01 s	C++	2018-04-06 09:11:33
4	Donald Dong	0.01 s	C++	2018-05-03 17:39:12
5	Steven Halim	0.01 s	C++	2018-05-07 12:20:35
6	Hidden user	0.01 s	C++	2018-05-23 15:36:40
7	Hidden user	0.01 s	C++	2018-07-07 16:38:44
8	Arnav Sastry	0.01 s	C++	2018-12-24 00:08:02
9	Ismail El Haoumi	0.01 s	C++	2018-12-26 18:09:57
10	Mohideen Imran Khan	0.01 s	C++	2019-01-03 16:05:12

#	User	Runtime	Language	Date
1	Hidden user	0.25 s	Common Lisp	2019-07-02 16:21:03
2	Philippos Boon Alexaki	0.91 s	Common Lisp	2019-11-19 13:12:52

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-08-29 21:56:09

#	User	Runtime	Language	Date
1	Tim Put	0.03 s	Haskell	2021-07-30 21:49:03
2	Steinar Simonnes	0.03 s	Haskell	2025-03-18 16:37:00
3	Brent Yorgey	0.27 s	Haskell	2019-07-01 03:51:26
4	Jörg P.	0.29 s	Haskell	2020-04-05 20:57:47
5	Christian Planner	0.29 s	Haskell	2020-04-05 21:17:32
6	Erik Hesselink	0.31 s	Haskell	2020-04-22 13:43:14
7	Md Akif Chowdhury	0.32 s	Haskell	2023-09-19 00:01:17

#	User	Runtime	Language	Date
1	Thi Nguyễn Ngọc Lan	0.09 s	Java	2021-11-05 10:35:34
2	Micah Stairs	0.10 s	Java	2017-11-01 22:46:18
3	Samuel Klingström	0.10 s	Java	2020-05-18 15:06:22
4	Sven Rönnbäck	0.11 s	Java	2023-05-06 21:16:08
5	Nick Wu	0.20 s	Java	2017-10-21 19:28:09
6	Ronald Cruz	0.22 s	Java	2017-10-21 23:46:25
7	Alex Lind	0.22 s	Java	2017-11-02 06:22:36
8	Lin Lê	0.22 s	Java	2021-11-05 09:46:05
9	Aldo Chow	0.23 s	Java	2017-10-21 20:52:04
10	Jiru Xu	0.23 s	Java	2017-10-22 00:34:58

#	User	Runtime	Language	Date
1	Zach Tschetter	0.07 s	JavaScript (SpiderMonkey)	2023-06-15 05:00:44
2	Christian Pilegaard Cederquist	0.10 s	JavaScript (SpiderMonkey)	2023-05-31 00:42:47
3	Bjørn Chr. Soltvedt	0.18 s	JavaScript (SpiderMonkey)	2017-10-22 08:57:36

#	User	Runtime	Language	Date
1	Hidden user	0.22 s	Kotlin	2020-10-11 04:42:30
2	Danny Mittal	0.28 s	Kotlin	2020-10-08 18:17:15
3	Jacob Huebner	0.38 s	Kotlin	2020-04-20 18:36:01
4	Filip Belik	0.67 s	Kotlin	2019-10-28 21:05:42
5	Hidden user	0.73 s	Kotlin	2019-11-16 20:03:40
6	Phường Lên	0.79 s	Kotlin	2019-10-28 21:03:49
7	Adam Rankin	0.82 s	Kotlin	2023-09-03 18:45:54

#	User	Runtime	Language	Date
1	Hermon Mulat	0.05 s	Python 2	2018-11-16 00:20:42
2	Sigurður Jens Albertsson	0.06 s	Python 2	2017-11-30 23:34:00
3	Mark Kaius Helenurm	0.06 s	Python 2	2018-09-06 05:56:40
4	Yanmarshus Bachtiar	0.06 s	Python 2	2020-09-13 11:36:41
5	Jeff Robertson	0.07 s	Python 2	2017-10-21 19:31:40
6	Adam Barth	0.07 s	Python 2	2017-10-21 19:59:40
7	Jung Hee Ryu	0.07 s	Python 2	2017-10-21 21:21:44
8	Namgun Kim	0.07 s	Python 2	2017-10-21 21:23:09
9	Daniel Moyer	0.07 s	Python 2	2017-10-23 01:24:54
10	Max Holmberg	0.07 s	Python 2	2018-10-14 21:10:40

#	User	Runtime	Language	Date
1	Mathias Westenius	0.06 s	Python 3	2019-12-03 21:22:08
2	Agis Daniels	0.07 s	Python 3	2019-05-14 19:07:52
3	Ocram Esah	0.07 s	Python 3	2022-06-06 20:50:12
4	Paco Criado	0.07 s	Python 3	2025-02-20 19:07:01
5	Jiaming Kong	0.07 s	Python 3	2025-08-07 17:35:51
6	Reda Benchi	0.07 s	Python 3	2025-09-24 19:38:48
7	Levi Tourinho	0.07 s	Python 3	2026-01-16 19:25:35
8	Jonathon Arbaugh	0.08 s	Python 3	2017-10-21 20:49:31
9	Kevin Wang	0.08 s	Python 3	2017-10-25 01:51:28
10	Jared Gillespie	0.08 s	Python 3	2017-10-27 21:38:37

#	User	Runtime	Language	Date
1	Thomas Feld	0.14 s	Ruby	2023-05-16 12:39:09

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-08-29 21:31:51
2	Artur Khuziakhmetov	0.00 s	Rust	2025-11-13 11:15:33
3	xyqkoala	0.01 s	Rust	2020-04-17 10:50:59
4	Bas Dirks	0.01 s	Rust	2022-01-22 11:06:56

#	User	Length	Language	Date
1	Hidden user	646	C	2017-11-23 00:42:43
2	Eric McKnight	776	C	2017-10-21 23:19:11
3	Felix Gia-Hung Pham	1263	C	2025-10-02 21:11:06
4	Sambit Palit	1709	C	2020-11-16 22:12:11
5	Bergur Snorrason	1976	C	2019-03-07 16:40:12
6	Ivan Petrov	5753	C	2017-12-06 10:07:23
7	Eyleifur Bjarkason	7281	C	2019-11-27 20:56:28

#	User	Length	Language	Date
1	Markus Mathiasen	371	C++	2022-08-24 14:37:49
2	Jason Cannon	385	C++	2019-12-28 20:23:57
3	黃浚誠	385	C++	2022-02-11 11:41:48
4	Elias Lolck	391	C++	2021-02-26 17:42:30
5	黃浚瑜	397	C++	2021-06-23 14:52:39
6	黃浚誠	401	C++	2021-06-23 14:52:42
7	Mohideen Imran Khan	404	C++	2019-01-03 16:05:12
8	Ásþór Björnsson	405	C++	2021-02-26 18:58:32
9	Michael Gonzales	410	C++	2018-08-24 04:04:27
10	E Ro Nguyen (E-Ro)	412	C++	2024-10-20 19:19:43

#	User	Length	Language	Date
1	Hidden user	576	Common Lisp	2019-07-02 16:21:03
2	Philippos Boon Alexaki	3435	Common Lisp	2019-11-19 13:12:52

#	User	Length	Language	Date
1	Norbert Voelker	1041	Go	2021-08-29 21:56:09

#	User	Length	Language	Date
1	Md Akif Chowdhury	748	Haskell	2023-09-19 00:01:17
2	Tim Put	818	Haskell	2021-07-30 21:49:03
3	Steinar Simonnes	941	Haskell	2025-03-18 16:38:22
4	Jörg P.	1090	Haskell	2020-04-05 20:57:47
5	Christian Planner	1090	Haskell	2020-04-05 21:17:32
6	Erik Hesselink	1512	Haskell	2020-04-22 13:43:14
7	Brent Yorgey	1915	Haskell	2019-07-01 03:51:26

#	User	Length	Language	Date
1	Akif Patel	575	Java	2019-04-25 03:09:14
2	Tan Jia Hang	632	Java	2022-02-12 15:46:58
3	Emilie Hyslop	639	Java	2021-09-24 09:38:03
4	Hidden user	652	Java	2020-04-15 05:15:40
5	Sam Huynh	679	Java	2021-04-26 07:33:31
6	Doug Goodman	707	Java	2018-07-23 21:38:32
7	Kyaw Zaw Win	715	Java	2020-06-18 05:20:33
8	Varvara Melentieva	733	Java	2020-11-21 14:52:23
9	Joey Chan	747	Java	2017-10-22 16:53:29
10	Evan Magill	768	Java	2022-10-25 19:04:38

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	463	JavaScript (SpiderMonkey)	2023-05-31 00:42:47
2	Zach Tschetter	593	JavaScript (SpiderMonkey)	2023-06-15 05:00:44
3	Bjørn Chr. Soltvedt	612	JavaScript (SpiderMonkey)	2017-10-22 08:57:36

#	User	Length	Language	Date
1	Phường Lên	546	Kotlin	2019-10-28 21:03:49
2	Hidden user	550	Kotlin	2019-11-16 20:03:40
3	Filip Belik	605	Kotlin	2019-10-28 21:05:42
4	Adam Rankin	637	Kotlin	2023-09-03 18:45:54
5	Danny Mittal	922	Kotlin	2020-10-08 18:17:15
6	Jacob Huebner	1233	Kotlin	2020-04-20 18:36:01
7	Hidden user	1494	Kotlin	2020-10-11 04:42:30

#	User	Length	Language	Date
1	Thomas Feld	235	Python 2	2019-10-22 12:29:35
2	Andreas Björklund	255	Python 2	2020-03-21 13:04:18
3	Jesper Öqvist	268	Python 2	2019-03-12 11:23:56
4	Lars Åström	286	Python 2	2019-06-02 00:58:44
5	Jeff Robertson	321	Python 2	2017-10-21 19:31:40
6	Johan Lyts	325	Python 2	2020-06-17 14:54:12
7	Namgun Kim	449	Python 2	2017-10-21 21:23:09
8	Adam Barth	452	Python 2	2017-10-21 19:59:40
9	Daniel Moyer	462	Python 2	2017-10-23 01:24:54
10	Jung Hee Ryu	474	Python 2	2017-10-21 21:21:44

#	User	Length	Language	Date
1	Benjamin Z White	161	Python 3	2023-07-21 21:52:04
2	Lee Isaac	191	Python 3	2023-04-18 19:42:43
3	Peter Stauder	196	Python 3	2022-10-24 22:39:03
4	Ahmed Chamseddine	218	Python 3	2026-01-06 20:56:27
5	Oskar Haarklou Veileborg	219	Python 3	2020-03-16 09:29:51
6	Yong Mao	241	Python 3	2023-01-31 23:14:49
7	Alexandre Charland	258	Python 3	2025-01-06 04:34:21
8	Guan Yang Ze	263	Python 3	2021-03-09 09:21:11
9	Noah Hessen Bjerke	263	Python 3	2025-06-30 11:18:26
10	Sander Oppen	263	Python 3	2025-11-21 19:01:19

#	User	Length	Language	Date
1	Thomas Feld	105	Ruby	2023-05-16 12:46:36

#	User	Length	Language	Date
1	Artur Khuziakhmetov	826	Rust	2025-11-13 11:15:33
2	Bas Dirks	880	Rust	2022-01-22 11:06:56
3	xyqkoala	1122	Rust	2020-04-17 10:50:59
4	Vincent Lagerros	20810	Rust	2024-08-29 21:31:51

Solution running time distribution