Problem A
Emag Eht Htiw Em Pleh — Problem Statistics

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Submissions	1954
Accepted submissions	1007
Submission ratio	51.54%
Authors	949
Full solves [?]	902
Full solve Ratio	95.05%

#	User	Runtime	Language	Date
1	Thomas Norris	0.02 s	C#	2019-10-18 17:03:33
2	Anders Parsberg Wagner	0.02 s	C#	2020-10-31 21:10:14
3	Leslie Yip	0.02 s	C#	2022-08-03 13:23:58
4	Mikael Fiala-Lundström	0.03 s	C#	2021-04-04 02:20:59
5	Mustafa Sk	0.03 s	C#	2021-06-12 00:18:30
6	Göran Andersson	0.03 s	C#	2022-05-13 22:14:15
7	Esty Crow	0.05 s	C#	2023-05-12 22:04:26
8	Anthony Ye	0.05 s	C#	2023-05-14 19:20:18
9	Jan Matthiessen	0.06 s	C#	2024-05-26 10:14:15
10	Yuwono Bangun Nagoro	0.06 s	C#	2024-07-28 18:34:54

#	User	Runtime	Language	Date
1	Jinwoo Lee	0.01 s	Common Lisp	2020-09-28 00:54:10
2	David Cawthon	0.01 s	Common Lisp	2021-01-18 05:27:17

#	User	Runtime	Language	Date
1	Patrick Bahr	0.04 s	F#	2021-02-23 13:53:36

#	User	Runtime	Language	Date
1	Thomas	0.00 s	Go	2024-01-08 05:20:58
2	Victor Sellstedt	0.02 s	Go	2022-08-04 14:39:01
3	Magix	0.08 s	Go	2020-09-19 13:40:01
4	Norbert Voelker	0.08 s	Go	2021-04-14 16:11:38

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2017-10-29 15:16:53
2	Hidden user	0.00 s	Haskell	2022-12-23 20:14:54
3	Matthew Gvasalia	0.00 s	Haskell	2023-05-05 23:41:10
4	Li Jun	0.00 s	Haskell	2023-06-23 12:44:10
5	Steinar Simonnes	0.00 s	Haskell	2024-01-24 10:20:03
6	Sebastian Banert	0.00 s	Haskell	2024-07-07 13:45:23
7	Hidden user	0.01 s	Haskell	2019-08-25 19:53:03
8	Jan Hrček	0.01 s	Haskell	2020-11-05 15:37:44
9	Oisín Mac Fhearaí	0.01 s	Haskell	2020-12-31 20:58:02
10	Rafał Gwoździński	0.01 s	Haskell	2021-03-17 18:04:51

#	User	Runtime	Language	Date
1	Nick Wu	0.05 s	Java	2017-03-12 02:13:34
2	Martijn Muijsers	0.05 s	Java	2017-03-12 03:30:16
3	Micah Stairs	0.05 s	Java	2017-03-16 14:42:31
4	Samuel Klingström	0.05 s	Java	2017-06-12 20:10:53
5	Daniël Barenholz	0.05 s	Java	2017-07-09 11:15:59
6	Steven Cheng	0.05 s	Java	2017-09-22 09:04:42
7	Arnav Sastry	0.05 s	Java	2017-10-14 02:06:57
8	Ethan Arnold	0.05 s	Java	2017-10-16 06:39:33
9	Lee Wei Hong	0.05 s	Java	2017-12-09 02:57:59
10	Max Holmberg	0.05 s	Java	2018-02-25 21:23:49

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	JavaScript (Node.js)	2024-08-03 18:20:46
2	Chris Wong	0.41 s	JavaScript (Node.js)	2021-02-10 03:35:13
3	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-10 12:28:20
4	John	0.42 s	JavaScript (Node.js)	2021-03-05 10:40:51

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2017-03-09 23:09:26
2	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2017-03-18 20:28:58
3	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-08-18 21:50:07
4	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2022-12-31 14:10:05
5	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-06-29 22:03:11
6	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-07-11 20:48:12

#	User	Runtime	Language	Date
1	Timothy Gaede	0.85 s	Julia	2024-04-16 08:42:24

#	User	Runtime	Language	Date
1	Ashish Singh	0.17 s	Kotlin	2023-01-24 13:33:37
2	Adam Rankin	0.18 s	Kotlin	2023-05-11 20:33:12
3	Hidden user	0.19 s	Kotlin	2019-12-31 18:25:54
4	Emil Wihlander	0.19 s	Kotlin	2023-07-27 11:40:57
5	Ravisai Tiruvuri	0.19 s	Kotlin	2024-03-16 10:09:16
6	Einar Kjellback	0.20 s	Kotlin	2020-08-13 11:31:45
7	Johnny Baloney	0.20 s	Kotlin	2021-11-19 20:31:26
8	Neil Harmon	0.21 s	Kotlin	2019-05-09 10:39:11
9	Alexandre Conte	0.23 s	Kotlin	2021-08-23 22:57:43

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-09-13 20:14:54

#	User	Runtime	Language	Date
1	Denis BAURAIN	0.01 s	Perl	2026-01-09 23:21:53

#	User	Runtime	Language	Date
1	Susanne Ragnemalm	0.01 s	PHP	2018-04-04 11:50:35

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2025-01-05 14:10:59

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Python 2	2018-01-06 06:15:09
2	Hasan Kalzi	0.02 s	Python 2	2022-06-18 10:10:13
3	Christofer Ohlsson	0.03 s	Python 2	2017-03-10 10:04:55
4	Johann Ly	0.03 s	Python 2	2018-10-14 21:46:33
5	Jesper Öqvist	0.03 s	Python 2	2018-10-23 17:59:27
6	Lars Åström	0.03 s	Python 2	2019-06-03 20:14:47
7	Thomas Feld	0.03 s	Python 2	2019-09-02 14:56:05
8	Suchi Amalapurapu	0.03 s	Python 2	2020-05-09 12:21:36
9	Yanmarshus Bachtiar	0.03 s	Python 2	2020-08-29 09:45:51
10	Andreas Björklund	0.03 s	Python 2	2021-03-25 16:07:01

#	User	Runtime	Language	Date
1	Nils Gustafsson	0.02 s	Python 3	2017-03-09 19:39:15
2	Elias Riedel Gårding	0.02 s	Python 3	2017-03-09 20:38:21
3	Cian Ruane	0.02 s	Python 3	2017-03-12 03:34:57
4	Ciara Godwin	0.02 s	Python 3	2017-04-03 20:51:44
5	Aidan Paetsch	0.02 s	Python 3	2017-06-07 23:08:49
6	Jón Steinn Elíasson	0.02 s	Python 3	2017-07-09 03:53:35
7	Ron Joshi	0.02 s	Python 3	2017-07-12 04:12:06
8	Çağdaş Öztekin	0.02 s	Python 3	2017-10-14 15:09:03
9	Jalal Dlimi	0.02 s	Python 3	2017-11-01 23:32:38
10	Hakan Celik	0.02 s	Python 3	2017-12-06 19:15:00

#	User	Runtime	Language	Date
1	Macdara mac an tSionnaigh	0.04 s	Ruby	2019-10-21 18:53:34
2	Hidden user	0.05 s	Ruby	2019-10-07 21:49:49
3	Kok Dith	0.05 s	Ruby	2021-08-25 05:08:22

#	User	Runtime	Language	Date
1	Eric Pinter	0.00 s	Rust	2021-06-06 09:48:01
2	Freek van Keulen	0.00 s	Rust	2021-07-24 08:20:22
3	Peter Due Jensen	0.00 s	Rust	2021-11-25 13:31:59
4	Bas Dirks	0.00 s	Rust	2022-01-14 11:22:11
5	Isak Jägberg	0.00 s	Rust	2022-01-31 13:58:10
6	Artur Khuziakhmetov	0.00 s	Rust	2023-09-09 08:42:55
7	Vincent Lagerros	0.00 s	Rust	2025-02-15 19:57:28

#	User	Runtime	Language	Date
1	Ștefan-Iulian Alecu	0.07 s	Visual Basic	2025-11-02 20:39:08

#	User	Runtime	Language	Date
1	arthur	0.00 s	Zig	2024-07-19 06:03:50

#	User	Length	Language	Date
1	Martin Blom	569	C	2024-01-12 00:31:37
2	Dylan Mcdougall	1058	C	2019-12-11 23:20:06
3	Boris Vanhoof	1246	C	2025-09-05 20:42:48
4	Mikael K Eriksson	1261	C	2021-03-02 11:41:37
5	Tyler Mulholland	1374	C	2023-01-28 01:42:02
6	Sebastian Oveland	1380	C	2018-03-03 00:59:13
7	Matthew Weston	1830	C	2022-01-03 18:02:55
8	Jing Wang	1990	C	2021-10-26 11:15:21
9	Sambit Palit	2016	C	2020-10-14 23:45:21
10	Mauritz Sverredal	2151	C	2020-02-21 16:36:43

#	User	Length	Language	Date
1	Jan Matthiessen	592	C#	2024-05-26 10:17:55
2	Esty Crow	1265	C#	2023-05-12 22:04:26
3	Anthony Ye	1564	C#	2023-05-14 19:20:18
4	Göran Andersson	1625	C#	2022-05-13 22:14:15
5	Leslie Yip	2020	C#	2022-08-03 13:23:58
6	Anders Parsberg Wagner	2964	C#	2020-10-31 21:10:14
7	Thomas Norris	3056	C#	2019-10-18 17:03:33
8	Yuwono Bangun Nagoro	3242	C#	2024-07-28 18:34:54
9	Mikael Fiala-Lundström	4354	C#	2021-04-04 02:20:59
10	Mustafa Sk	124435	C#	2021-06-12 00:18:30

#	User	Length	Language	Date
1	Frederick Pek	840	C++	2021-06-05 19:17:21
2	Hyunjun Lee	852	C++	2022-10-15 05:39:46
3	Jerry Lee	870	C++	2022-01-06 12:50:26
4	Neev Kataria	901	C++	2025-03-07 14:00:47
5	Modak Shantanu Bharat	982	C++	2019-12-12 14:59:52
6	Supawit Chockchowwat	993	C++	2017-10-14 01:46:59
7	Ralf Merhof	993	C++	2024-02-21 18:24:12
8	Spynder	1016	C++	2023-08-22 23:18:41
9	Li Jiayu	1039	C++	2021-12-05 05:53:03
10	Jun Yan	1046	C++	2023-08-19 09:44:29

#	User	Length	Language	Date
1	David Cawthon	1772	Common Lisp	2021-01-18 05:27:17
2	Jinwoo Lee	2356	Common Lisp	2020-09-28 00:54:10

#	User	Length	Language	Date
1	Patrick Bahr	3253	F#	2021-02-23 13:53:36

#	User	Length	Language	Date
1	Norbert Voelker	1634	Go	2021-04-14 16:11:38
2	Thomas	2296	Go	2024-01-08 05:20:58
3	Magix	2443	Go	2020-09-19 13:40:01
4	Victor Sellstedt	2660	Go	2022-08-04 14:39:01

#	User	Length	Language	Date
1	Li Jun	1056	Haskell	2023-06-23 13:28:53
2	Hidden user	1266	Haskell	2019-08-25 19:53:03
3	Oisín Mac Fhearaí	1312	Haskell	2020-12-31 20:58:02
4	Steinar Simonnes	1508	Haskell	2024-01-24 10:20:03
5	Sebastian Banert	1697	Haskell	2024-07-07 13:45:23
6	Jan Hrček	1837	Haskell	2020-11-05 15:37:44
7	Brent Yorgey	1908	Haskell	2017-10-29 15:16:53
8	Matthew Gvasalia	1981	Haskell	2023-05-05 23:41:10
9	Hidden user	2232	Haskell	2022-12-23 20:14:54
10	Caleb Surovik	2504	Haskell	2021-07-01 00:09:16

#	User	Length	Language	Date
1	Ian Steiner	573	Java	2024-07-11 01:22:36
2	Majed Bamardouf	1206	Java	2022-06-05 19:49:34
3	Doug Goodman	1299	Java	2017-10-19 20:55:22
4	Taras Romanyuk	1311	Java	2023-11-28 00:50:45
5	Micah Stairs	1364	Java	2017-03-16 14:42:31
6	Hidden user	1364	Java	2020-12-19 22:15:55
7	Kevin Kauffman	1445	Java	2021-12-29 03:20:55
8	Jonathan Tung	1497	Java	2018-12-15 04:17:45
9	Marshall D Feng	1606	Java	2021-12-27 01:09:01
10	Chris Sun	1610	Java	2020-05-08 00:46:58

#	User	Length	Language	Date
1	John	1727	JavaScript (Node.js)	2021-03-05 10:40:51
2	Andoko Chandra	1989	JavaScript (Node.js)	2020-10-10 12:28:20
3	Chris Wong	2107	JavaScript (Node.js)	2021-02-10 03:35:13
4	Hidden user	2514	JavaScript (Node.js)	2024-08-03 18:20:46

#	User	Length	Language	Date
1	Jimmy Gustafsson	566	JavaScript (SpiderMonkey)	2024-07-11 20:48:12
2	Peter Kedemo	845	JavaScript (SpiderMonkey)	2017-03-18 20:28:58
3	Christian Pilegaard Cederquist	876	JavaScript (SpiderMonkey)	2022-12-31 14:10:05
4	Bjørn Chr. Soltvedt	948	JavaScript (SpiderMonkey)	2017-03-09 23:09:26
5	Peter Menyes	974	JavaScript (SpiderMonkey)	2021-08-18 21:50:07
6	Zach Tschetter	1797	JavaScript (SpiderMonkey)	2023-06-29 22:03:11

#	User	Length	Language	Date
1	Timothy Gaede	2457	Julia	2024-04-16 08:42:24

#	User	Length	Language	Date
1	Alexandre Conte	1034	Kotlin	2021-08-23 22:57:43
2	Emil Wihlander	1319	Kotlin	2023-07-27 11:40:57
3	Johnny Baloney	1502	Kotlin	2021-11-19 20:31:26
4	Ashish Singh	1546	Kotlin	2023-01-24 13:33:37
5	Neil Harmon	1775	Kotlin	2019-05-09 10:39:11
6	Einar Kjellback	1936	Kotlin	2020-08-13 11:31:45
7	Adam Rankin	2074	Kotlin	2023-05-11 20:33:12
8	Hidden user	2276	Kotlin	2019-12-31 18:25:54
9	Ravisai Tiruvuri	6182	Kotlin	2024-03-16 10:09:16

#	User	Length	Language	Date
1	Ingemar Ragnemalm	2356	Pascal	2017-09-13 20:14:54

#	User	Length	Language	Date
1	Denis BAURAIN	306	Perl	2026-01-09 23:49:30

#	User	Length	Language	Date
1	Susanne Ragnemalm	1855	PHP	2018-04-04 11:50:35

#	User	Length	Language	Date
1	Andriy Zyevakov	5411	Prolog	2025-01-05 14:10:59

#	User	Length	Language	Date
1	Thomas Feld	402	Python 2	2019-09-02 14:56:05
2	Andreas Björklund	763	Python 2	2021-03-25 16:07:01
3	Jesper Öqvist	786	Python 2	2018-10-23 17:59:27
4	Christofer Ohlsson	913	Python 2	2017-03-10 10:04:55
5	Hidden user	925	Python 2	2018-01-06 06:15:09
6	Johann Ly	948	Python 2	2018-10-14 21:46:33
7	Yanmarshus Bachtiar	949	Python 2	2020-08-29 09:45:51
8	Lars Åström	960	Python 2	2019-06-03 20:14:47
9	Suchi Amalapurapu	1351	Python 2	2020-05-09 12:21:36
10	Hasan Kalzi	4225	Python 2	2021-03-12 16:20:08

#	User	Length	Language	Date
1	Charles Ancheta	287	Python 3	2023-03-30 08:04:38
2	Alexandre Charland	318	Python 3	2024-10-05 19:14:41
3	Thomas Draper	362	Python 3	2023-06-12 20:10:52
4	April Clark	424	Python 3	2023-02-16 20:04:37
5	Ahmed Chamseddine	557	Python 3	2024-07-12 11:20:05
6	Bjørn Dons	578	Python 3	2018-10-16 00:51:06
7	Vedran Čačić	580	Python 3	2019-02-17 15:48:50
8	Si Jie Tan	615	Python 3	2025-12-21 09:14:03
9	Farzam Abrishami	617	Python 3	2023-12-31 01:35:00
10	Marcus Xu	618	Python 3	2021-12-17 12:51:10

#	User	Length	Language	Date
1	Kok Dith	851	Ruby	2021-08-25 05:08:22
2	Hidden user	955	Ruby	2019-10-07 21:49:49
3	Macdara mac an tSionnaigh	1793	Ruby	2019-10-21 18:53:34

#	User	Length	Language	Date
1	Artur Khuziakhmetov	1208	Rust	2023-09-09 08:45:44
2	Vincent Lagerros	1245	Rust	2025-02-15 19:57:28
3	Bas Dirks	1603	Rust	2022-01-14 11:22:11
4	Freek van Keulen	2106	Rust	2021-07-24 08:20:22
5	Eric Pinter	2959	Rust	2021-06-06 09:48:01
6	Peter Due Jensen	3168	Rust	2021-11-25 13:31:59
7	Isak Jägberg	3894	Rust	2022-01-31 13:58:10

#	User	Length	Language	Date
1	Ștefan-Iulian Alecu	1809	Visual Basic	2025-11-02 20:39:08

#	User	Length	Language	Date
1	arthur	2521	Zig	2024-07-19 06:03:50

Solution running time distribution