Problem A
Permuted Arithmetic Sequence — Problem Statistics

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Submissions	5394
Accepted submissions	2326
Submission ratio	43.12%
Authors	2277
Full solves [?]	2073
Full solve Ratio	91.04%

#	User	Runtime	Language	Date
1	Jonas S	0.02 s	C#	2015-08-25 23:22:01
2	Thomas Risager	0.02 s	C#	2015-09-05 23:24:01
3	Andriy Zyevakov	0.02 s	C#	2015-10-15 09:37:43
4	Khin Nyunt	0.02 s	C#	2016-04-22 05:19:55
5	Raja Sanjeev Kumar Nakka	0.02 s	C#	2016-06-02 20:46:56
6	Robert Low	0.02 s	C#	2016-07-16 14:01:31
7	Duelene Olson	0.02 s	C#	2016-10-04 22:37:05
8	Raman Dhatt	0.02 s	C#	2016-10-10 18:19:14
9	Ugnius Skučas	0.02 s	C#	2016-10-12 19:33:13
10	Hidden user	0.02 s	C#	2016-12-08 17:04:46

#	User	Runtime	Language	Date
1	David Cawthon	0.01 s	Common Lisp	2020-06-28 17:52:36

#	User	Runtime	Language	Date
1	Aske Nord Raahauge	0.05 s	F#	2021-01-16 10:44:12
2	Jacob Harris Cryer Kragh	0.05 s	F#	2022-11-17 09:01:47

#	User	Runtime	Language	Date
1	Daniel Agatan	0.00 s	Go	2025-03-02 15:22:08
2	Nathan Lee	0.00 s	Go	2025-09-17 22:50:03
3	Isaac Arvestad	0.08 s	Go	2016-03-07 18:23:28
4	Krzysztof Gibuła	0.08 s	Go	2021-03-28 16:48:50
5	Norbert Voelker	0.08 s	Go	2021-05-11 21:54:49
6	Hidden user	0.14 s	Go	2016-09-11 13:32:23
7	Mirja Johnsson	0.14 s	Go	2017-07-09 20:09:11

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2024-02-12 19:09:00
2	Hidden user	0.01 s	Haskell	2015-02-22 13:45:26
3	David Wärn	0.01 s	Haskell	2015-05-30 23:59:51
4	Patrik Lilja	0.01 s	Haskell	2016-02-11 22:05:58
5	Folkmar Ramcke	0.01 s	Haskell	2016-10-05 18:09:47
6	Håkon Tjeldnes	0.01 s	Haskell	2016-10-05 18:13:50
7	Stian	0.01 s	Haskell	2021-10-13 21:21:49
8	Hidden user	0.01 s	Haskell	2023-01-13 22:10:04
9	Christian Leipe	0.02 s	Haskell	2015-12-04 21:06:48
10	Lars Tveito	0.02 s	Haskell	2016-01-10 02:00:51

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.04 s	Java	2025-05-11 13:39:53
2	Winston Cheung	0.06 s	Java	2017-03-01 04:46:51
3	Samuel Klingström	0.06 s	Java	2017-06-05 00:40:33
4	Nguyễn Hùng Cường	0.06 s	Java	2018-08-31 03:50:12
5	Khánh Nguyễn Tiến	0.06 s	Java	2018-08-31 04:09:37
6	An Lê Hữu	0.06 s	Java	2018-08-31 04:56:27
7	Taras Romanyuk	0.06 s	Java	2024-08-10 01:16:17
8	Rene Argento	0.06 s	Java	2025-02-18 00:58:20
9	Hidden user	0.07 s	Java	2015-08-24 02:03:41
10	Nathaniel Lahn	0.07 s	Java	2015-09-01 06:17:08

#	User	Runtime	Language	Date
1	Saleth Ibarra	0.05 s	JavaScript (Node.js)	2025-08-29 02:33:44
2	Candace Graus	0.06 s	JavaScript (Node.js)	2018-11-13 20:49:17
3	Chris Wong	0.42 s	JavaScript (Node.js)	2022-01-17 18:10:24
4	sandip neupane	0.43 s	JavaScript (Node.js)	2020-02-12 01:59:43
5	Caleb Spiess	0.43 s	JavaScript (Node.js)	2020-03-02 07:41:38
6	Khin Nyunt	0.43 s	JavaScript (Node.js)	2021-11-28 05:06:12
7	Andoko Chandra	0.44 s	JavaScript (Node.js)	2020-10-24 07:18:00
8	Rupesh Panta	0.44 s	JavaScript (Node.js)	2021-03-08 07:24:58

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-01-27 16:14:16
2	Piotr Karpala	0.01 s	JavaScript (SpiderMonkey)	2017-09-23 07:13:50
3	Spencer Smith	0.01 s	JavaScript (SpiderMonkey)	2017-10-28 04:51:54
4	Peter Kedemo	0.02 s	JavaScript (SpiderMonkey)	2016-02-28 15:53:04
5	Johannes Jensen	0.02 s	JavaScript (SpiderMonkey)	2016-04-02 14:06:04
6	Michael Laszlo	0.02 s	JavaScript (SpiderMonkey)	2016-09-29 16:39:17
7	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-02 01:36:08
8	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-10-15 14:59:54
9	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-01-31 16:02:53

#	User	Runtime	Language	Date
1	Timothy Gaede	0.51 s	Julia	2024-04-10 16:28:37

#	User	Runtime	Language	Date
1	Jahid Hasan Imon	0.16 s	Kotlin	2020-06-26 12:48:29
2	Phường Lên	0.20 s	Kotlin	2020-01-09 23:08:16
3	Adam Rankin	0.23 s	Kotlin	2023-05-10 06:49:06
4	Nikolai Grieg	0.25 s	Kotlin	2017-10-13 21:08:14
5	Zaw Myat	0.25 s	Kotlin	2024-01-14 01:23:10
6	Ola Sundell	0.26 s	Kotlin	2018-05-29 11:45:01
7	Dayan Ruben Gonzalez	0.27 s	Kotlin	2020-10-01 19:49:16
8	Adam Koprowski	0.28 s	Kotlin	2021-07-14 22:35:18
9	Neil Harmon	0.31 s	Kotlin	2019-05-23 15:54:41
10	Troy Warmboe	0.34 s	Kotlin	2020-02-20 02:06:40

#	User	Runtime	Language	Date
1	Alfred Morgan	0.00 s	Nim	2025-04-05 01:16:38

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-09-03 10:11:46

#	User	Runtime	Language	Date
1	Silvena Lam	0.01 s	PHP	2016-02-12 08:23:19

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.03 s	Prolog	2023-03-05 12:07:31
2	Hadi Qovaizi	0.06 s	Prolog	2016-05-02 21:28:44

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.03 s	Python 2	2015-05-07 09:34:32
2	Erik Odenman	0.03 s	Python 2	2015-05-21 04:18:08
3	Tore Norderud	0.03 s	Python 2	2015-05-21 23:22:19
4	Nick Wu	0.03 s	Python 2	2015-10-07 22:52:17
5	Arne Tobias Malkenes Ødegaard	0.03 s	Python 2	2015-11-30 21:45:29
6	Frederik Højholt	0.03 s	Python 2	2015-12-01 14:47:56
7	Asger Hautop Drewsen	0.03 s	Python 2	2015-12-03 09:39:25
8	Urban Pettersson	0.03 s	Python 2	2016-01-20 18:18:51
9	Alexander Teno	0.03 s	Python 2	2016-02-24 21:52:08
10	Neal Zane	0.03 s	Python 2	2016-03-08 01:39:12

#	User	Runtime	Language	Date
1	Johannes Agestam	0.02 s	Python 3	2015-06-24 23:54:52
2	Baldur Tryggvason	0.02 s	Python 3	2015-08-09 02:10:20
3	Tomaž Kramer	0.02 s	Python 3	2015-08-20 23:36:20
4	Emil Riis Hansen	0.02 s	Python 3	2015-11-23 07:52:24
5	Wayne	0.02 s	Python 3	2016-01-28 12:14:13
6	Hidden user	0.02 s	Python 3	2016-01-30 06:22:54
7	Filip Sjögren	0.02 s	Python 3	2016-03-02 12:34:32
8	Kristy Newbury	0.02 s	Python 3	2016-03-05 06:46:41
9	Øyvind Johansen Amundrud	0.02 s	Python 3	2016-03-10 02:51:03
10	Óðinn Eyjólfsson	0.02 s	Python 3	2016-03-24 01:34:22

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-03-13 00:15:08
2	Lasse Berglund	0.03 s	Ruby	2016-04-06 08:29:29
3	Erik Rydbert	0.03 s	Ruby	2016-07-11 08:15:50
4	Hidden user	0.05 s	Ruby	2019-02-28 11:52:10
5	Hidden user	0.05 s	Ruby	2019-09-29 17:33:48
6	Kok Dith	0.05 s	Ruby	2021-08-29 05:09:39
7	Eugen Neagoe	0.06 s	Ruby	2023-04-14 14:39:17
8	Thomas Feld	0.06 s	Ruby	2023-08-18 15:25:15
9	Clement Oh	0.06 s	Ruby	2023-10-02 15:46:07

#	User	Runtime	Language	Date
1	Isak Jägberg	0.00 s	Rust	2019-08-24 20:05:47
2	Lucas Falch Sørensen	0.00 s	Rust	2021-01-15 18:17:33
3	Bas Dirks	0.00 s	Rust	2022-01-06 18:25:36
4	Mckinley Xie	0.00 s	Rust	2025-01-31 23:08:16
5	Egor Kulikov	0.00 s	Rust	2025-02-06 12:31:31
6	Vincent Lagerros	0.00 s	Rust	2025-02-22 23:48:50
7	Pankajkumar Patro	0.00 s	Rust	2025-05-12 15:47:33
8	Joe Blower	0.00 s	Rust	2025-11-09 18:12:09

#	User	Length	Language	Date
1	Mouad Naciri	616	C	2017-04-02 22:34:04
2	Khawla Hbiech	675	C	2017-07-12 22:49:36
3	a_b__c	706	C	2021-02-02 17:24:37
4	Seth Carter	760	C	2017-11-26 13:38:46
5	Magnus Wass	767	C	2019-12-10 20:33:37
6	Ng Wei Jie	810	C	2020-02-18 15:54:57
7	Eric Dand	836	C	2017-09-16 23:06:50
8	Mirel Cosulschi	841	C	2025-01-18 16:59:54
9	Jón Steinn Elíasson	854	C	2017-07-05 20:48:24
10	Yigael Alejandro Balderrama	855	C	2019-10-15 03:23:54

#	User	Length	Language	Date
1	Robert Low	958	C#	2016-07-16 14:01:31
2	florist swe	959	C#	2024-12-02 10:24:38
3	Doug Goodman	1011	C#	2018-04-06 23:25:52
4	Khin Nyunt	1021	C#	2016-04-22 05:19:55
5	Thomas Risager	1064	C#	2015-09-05 23:24:01
6	Göran Andersson	1078	C#	2022-05-18 21:21:36
7	Thomas Norris	1127	C#	2020-01-10 18:05:08
8	Þorsteinn Þorvaldsson	1259	C#	2017-06-04 21:17:52
9	Gustav Junedahl	1400	C#	2022-04-26 11:58:13
10	Hidden user	1448	C#	2022-06-11 16:05:09

#	User	Length	Language	Date
1	Herman Karlsson	490	C++	2015-05-19 20:10:56
2	Antonio Molina Lovett	521	C++	2016-08-07 07:31:27
3	Yeung Man Tsung	523	C++	2022-12-01 08:32:22
4	Dhipta Raditya	525	C++	2016-02-04 04:05:54
5	Yash Kumar Bansal	525	C++	2016-10-05 17:07:15
6	鹿目圆	536	C++	2019-04-02 05:10:09
7	Amrani Nejjar Omar	538	C++	2017-07-12 22:15:10
8	Willson Wijaya	538	C++	2019-12-17 16:19:08
9	SiBi	540	C++	2018-11-04 08:08:32
10	Armen Andreasyan	547	C++	2017-03-01 18:26:54

#	User	Length	Language	Date
1	David Cawthon	750	Common Lisp	2020-06-28 17:52:36

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1031	F#	2022-11-17 09:01:47
2	Aske Nord Raahauge	1075	F#	2021-01-16 10:44:12

#	User	Length	Language	Date
1	Hidden user	721	Go	2016-09-11 14:10:09
2	Mirja Johnsson	800	Go	2017-07-09 20:09:11
3	Krzysztof Gibuła	847	Go	2021-03-28 16:48:50
4	Daniel Agatan	1198	Go	2025-03-02 15:22:08
5	Nathan Lee	1223	Go	2025-09-17 22:50:03
6	Norbert Voelker	1275	Go	2021-05-11 21:54:49
7	Isaac Arvestad	1349	Go	2016-03-07 18:23:28

#	User	Length	Language	Date
1	David Wärn	389	Haskell	2015-05-30 23:59:51
2	Patrik Lilja	456	Haskell	2016-02-11 22:05:58
3	Lars Tveito	457	Haskell	2016-01-10 02:00:51
4	Hidden user	481	Haskell	2019-08-30 22:14:00
5	Anthony Clark	528	Haskell	2017-03-05 20:33:45
6	Jan Hrček	565	Haskell	2021-03-15 13:17:09
7	Folkmar Ramcke	584	Haskell	2016-10-05 18:09:47
8	Håkon Tjeldnes	584	Haskell	2016-10-05 18:13:50
9	Peter Deal	610	Haskell	2016-05-13 16:11:08
10	Atli Fannar Franklín	627	Haskell	2017-08-20 21:46:03

#	User	Length	Language	Date
1	Nicole Hedblom	725	Java	2015-06-15 23:51:49
2	Doug Goodman	726	Java	2017-06-18 15:59:43
3	Jordan Lamkin	737	Java	2017-02-03 23:27:49
4	Natalie Longtin	763	Java	2017-12-04 20:17:21
5	LegendofSSJ	768	Java	2017-12-04 20:29:14
6	Turner Atwood	790	Java	2018-02-11 21:50:53
7	Assali El Mehdi	796	Java	2017-04-02 23:42:16
8	Caeden Whitaker	809	Java	2020-07-27 06:01:04
9	Eric Leow Yu Quan	811	Java	2021-01-02 05:01:16
10	Nam Phan Thành	813	Java	2018-08-31 04:41:53

#	User	Length	Language	Date
1	Saleth Ibarra	899	JavaScript (Node.js)	2025-08-29 02:33:44
2	Chris Wong	1065	JavaScript (Node.js)	2022-01-17 18:10:24
3	Khin Nyunt	1165	JavaScript (Node.js)	2021-11-28 05:06:12
4	Caleb Spiess	1307	JavaScript (Node.js)	2020-03-02 07:41:38
5	Andoko Chandra	1400	JavaScript (Node.js)	2020-10-24 07:18:00
6	Candace Graus	2094	JavaScript (Node.js)	2018-11-13 20:49:17
7	Rupesh Panta	2302	JavaScript (Node.js)	2021-03-08 07:24:58
8	sandip neupane	2304	JavaScript (Node.js)	2020-02-12 01:59:43

#	User	Length	Language	Date
1	Jimmy Gustafsson	264	JavaScript (SpiderMonkey)	2024-08-02 01:36:08
2	Christian Pilegaard Cederquist	439	JavaScript (SpiderMonkey)	2023-01-31 16:02:53
3	Bjørn Chr. Soltvedt	499	JavaScript (SpiderMonkey)	2016-01-27 16:14:16
4	Peter Menyes	541	JavaScript (SpiderMonkey)	2021-10-15 14:59:54
5	Johannes Jensen	542	JavaScript (SpiderMonkey)	2016-04-02 14:06:04
6	Peter Kedemo	761	JavaScript (SpiderMonkey)	2016-02-28 15:53:04
7	Michael Laszlo	827	JavaScript (SpiderMonkey)	2016-09-29 16:39:17
8	Spencer Smith	938	JavaScript (SpiderMonkey)	2017-10-28 04:51:54
9	Piotr Karpala	2754	JavaScript (SpiderMonkey)	2017-09-23 07:13:50

#	User	Length	Language	Date
1	Timothy Gaede	815	Julia	2024-04-10 16:28:37

#	User	Length	Language	Date
1	Dayan Ruben Gonzalez	634	Kotlin	2020-10-01 19:49:16
2	Adam Koprowski	672	Kotlin	2021-07-14 22:35:18
3	Troy Warmboe	696	Kotlin	2020-02-20 02:06:40
4	Phường Lên	944	Kotlin	2020-01-09 23:08:16
5	Adam Rankin	985	Kotlin	2023-05-10 06:49:06
6	Neil Harmon	1272	Kotlin	2019-05-23 15:54:41
7	Ola Sundell	1327	Kotlin	2018-05-29 11:45:01
8	Zaw Myat	1582	Kotlin	2024-01-14 01:23:10
9	Jahid Hasan Imon	1772	Kotlin	2020-06-26 12:48:29
10	Nikolai Grieg	2175	Kotlin	2017-10-13 21:08:14

#	User	Length	Language	Date
1	Alfred Morgan	896	Nim	2025-04-05 01:16:38

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1908	Pascal	2017-09-03 10:11:46

#	User	Length	Language	Date
1	Silvena Lam	1746	PHP	2016-02-12 08:23:19

#	User	Length	Language	Date
1	Hakan Kjellerstrand	304	Prolog	2023-03-05 12:16:49
2	Hadi Qovaizi	17981	Prolog	2016-05-02 21:28:44

#	User	Length	Language	Date
1	Thomas Feld	265	Python 2	2019-08-23 10:06:43
2	Erik Odenman	319	Python 2	2015-05-21 04:18:08
3	Lars Åström	343	Python 2	2019-06-02 21:57:15
4	Zara Lim	346	Python 2	2018-09-25 09:29:47
5	Neal Zane	355	Python 2	2016-03-08 01:39:12
6	Jesper Öqvist	359	Python 2	2018-10-26 23:58:19
7	Haggai Liu	377	Python 2	2017-01-20 02:46:02
8	Nathan Villanueva	380	Python 2	2017-02-03 23:34:14
9	Giorgos Trogadas	413	Python 2	2017-10-05 06:05:40
10	Asger Hautop Drewsen	417	Python 2	2015-12-03 09:39:25

#	User	Length	Language	Date
1	Benjamin Z White	182	Python 3	2023-07-16 21:42:06
2	Thibault Raffaillac	223	Python 3	2024-07-29 13:06:46
3	Farzam Abrishami	250	Python 3	2024-01-30 20:34:34
4	Ahmed Chamseddine	251	Python 3	2024-08-09 08:54:06
5	Kelly Dance	251	Python 3	2025-08-18 20:43:08
6	Tai Tze Kin	252	Python 3	2024-05-07 12:10:20
7	Theo Coyne Morgan	274	Python 3	2019-04-16 04:46:18
8	Clement Oh	287	Python 3	2023-07-19 08:42:18
9	Prateek Bhakta	308	Python 3	2021-09-30 23:21:15
10	Yohannes Melese	312	Python 3	2020-06-28 22:06:35

#	User	Length	Language	Date
1	Thomas Feld	132	Ruby	2023-08-18 15:32:09
2	Clement Oh	267	Ruby	2023-10-18 12:08:21
3	Kok Dith	283	Ruby	2021-08-29 05:09:39
4	Hidden user	348	Ruby	2019-09-29 17:34:22
5	Casper Christensen	357	Ruby	2016-03-13 00:15:08
6	Eugen Neagoe	401	Ruby	2023-04-14 14:40:12
7	Hidden user	475	Ruby	2019-02-28 11:52:10
8	Erik Rydbert	605	Ruby	2016-07-11 08:15:50
9	Lasse Berglund	646	Ruby	2016-04-06 08:29:29

#	User	Length	Language	Date
1	Vincent Lagerros	647	Rust	2025-02-22 23:48:50
2	Pankajkumar Patro	866	Rust	2025-05-12 15:47:33
3	Lucas Falch Sørensen	1126	Rust	2021-01-15 18:17:33
4	Bas Dirks	1142	Rust	2022-01-06 18:25:36
5	Isak Jägberg	1211	Rust	2019-08-24 20:05:47
6	Mckinley Xie	1456	Rust	2025-01-31 23:08:16
7	Joe Blower	2144	Rust	2025-11-09 18:12:09
8	Egor Kulikov	16328	Rust	2025-02-06 12:31:31

Solution running time distribution