Problem A
Dunglish — Problem Statistics

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Submissions	2313
Accepted submissions	987
Submission ratio	42.67%
Authors	882
Full solves [?]	803
Full solve Ratio	91.04%

#	User	Runtime	Language	Date
1	Sambit Palit	0.02 s	C	2020-10-04 23:25:19
2	Oscar Cusin	0.02 s	C	2024-04-11 13:54:59

#	User	Runtime	Language	Date
1	Mikael Fiala-Lundström	0.17 s	C#	2021-07-14 00:26:55

#	User	Runtime	Language	Date
1	Raihan Ahmed	0.01 s	C++	2025-05-17 12:29:13
2	Huangjie Zhao	0.02 s	C++	2017-11-26 15:00:04
3	Kristiyan Balabanov	0.02 s	C++	2017-11-27 11:44:44
4	Tomas Lagland	0.02 s	C++	2018-04-18 20:20:12
5	Eimhin McDonald	0.02 s	C++	2018-04-20 05:32:53
6	Chiang Krongapiradee	0.02 s	C++	2018-10-16 09:11:58
7	Alexandre Gobeaux	0.02 s	C++	2019-12-29 00:50:58
8	luu bang	0.02 s	C++	2020-12-01 14:58:19
9	Luu Nguyen Bang	0.02 s	C++	2020-12-01 15:48:26
10	David Brodsky	0.02 s	C++	2021-02-13 19:34:08

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.19 s	F#	2023-03-26 08:48:25

#	User	Runtime	Language	Date
1	Norbert Voelker	0.22 s	Go	2021-07-28 00:47:01
2	Theo Coyne Morgan	0.34 s	Go	2022-11-19 12:04:27

#	User	Runtime	Language	Date
1	Matthew Craven	0.17 s	Haskell	2021-02-13 19:28:42
2	Brent Yorgey	0.29 s	Haskell	2018-06-11 06:34:08
3	Steinar Simonnes	0.31 s	Haskell	2025-01-14 16:21:31
4	Jason Hooper	0.35 s	Haskell	2019-08-31 19:50:34
5	Hidden user	0.37 s	Haskell	2019-11-03 18:04:01
6	Rudy Matela	0.62 s	Haskell	2024-11-17 18:13:50
7	Agus Sentosa Hermawan	0.94 s	Haskell	2021-10-31 17:14:21

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.11 s	Java	2024-05-10 14:54:32
2	Bjørn Dons	0.16 s	Java	2018-12-19 21:38:17
3	Jason Portillo	0.22 s	Java	2018-01-27 20:15:51
4	William Brigham	0.23 s	Java	2018-01-30 22:38:25
5	Nikolay Nizovkin	0.23 s	Java	2022-05-16 20:11:19
6	Åke Wettergren	0.25 s	Java	2017-11-26 12:24:30
7	Martijn Muijsers	0.26 s	Java	2020-08-30 12:37:51
8	Ahmad Barhamje	0.27 s	Java	2018-08-22 22:51:10
9	Hidden user	0.27 s	Java	2018-10-21 09:17:34
10	David Koval	0.27 s	Java	2018-10-21 09:18:18

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.24 s	JavaScript (SpiderMonkey)	2017-11-26 21:29:06
2	Zach Tschetter	0.24 s	JavaScript (SpiderMonkey)	2023-06-15 04:21:15
3	Christian Pilegaard Cederquist	0.28 s	JavaScript (SpiderMonkey)	2023-05-31 01:24:48

#	User	Runtime	Language	Date
1	Timothy Gaede	0.85 s	Julia	2024-04-21 08:08:11

#	User	Runtime	Language	Date
1	Nicholas Johnson	0.46 s	Kotlin	2022-05-15 17:48:03
2	Hidden user	0.49 s	Kotlin	2017-12-01 00:19:10
3	Adam Rankin	0.57 s	Kotlin	2023-09-20 02:21:02
4	Слава Гуляев	0.82 s	Kotlin	2017-11-26 12:40:07

#	User	Runtime	Language	Date
1	Ragur Krishnan	0.04 s	Python 2	2018-10-20 04:37:51
2	Måns Magnusson	0.06 s	Python 2	2017-11-26 19:22:03
3	Haggai Liu	0.06 s	Python 2	2018-01-31 05:05:09
4	Viet Anh Ho	0.07 s	Python 2	2017-11-29 15:49:46
5	Ciara Godwin	0.08 s	Python 2	2017-12-10 22:13:06
6	Christofer Ohlsson	0.10 s	Python 2	2017-11-26 14:45:19
7	Oskar Haarklou Veileborg	0.10 s	Python 2	2017-11-27 16:31:25
8	Asger Hautop Drewsen	0.10 s	Python 2	2017-11-27 16:44:43
9	Maksym Bendeberia	0.10 s	Python 2	2017-12-20 13:13:56
10	Ethan Arnold	0.10 s	Python 2	2018-10-04 23:40:43

#	User	Runtime	Language	Date
1	Naveen Kumar S	0.06 s	Python 3	2025-11-19 12:36:51
2	Nino Bašić	0.07 s	Python 3	2023-01-11 11:05:30
3	Mohammad Hammad	0.07 s	Python 3	2023-10-24 06:02:27
4	Zachary Zhang	0.08 s	Python 3	2025-10-26 21:07:30
5	Syrus Muhammed	0.08 s	Python 3	2025-10-27 00:46:55
6	Torstein Strømme	0.12 s	Python 3	2017-11-27 00:10:18
7	Hidden user	0.12 s	Python 3	2018-10-10 17:07:11
8	Peter Stauder	0.12 s	Python 3	2022-08-18 21:01:59
9	Carl Fredrik Nordbø Knutsen	0.12 s	Python 3	2022-10-26 16:51:45
10	Łukasz Łukaszew	0.13 s	Python 3	2020-12-20 09:25:30

#	User	Runtime	Language	Date
1	Hidden user	0.26 s	Ruby	2019-03-05 16:02:32

#	User	Runtime	Language	Date
1	Yoeri Otten	0.01 s	Rust	2022-10-26 17:29:44
2	Vincent Lagerros	0.01 s	Rust	2025-03-16 10:29:49
3	Logan Travis	0.07 s	Rust	2025-10-23 06:24:34
4	Krish Lal	0.07 s	Rust	2025-10-24 23:08:34
5	Bas Dirks	0.08 s	Rust	2024-02-08 12:48:03
6	Eric Pinter	0.09 s	Rust	2022-08-02 05:27:00
7	Daniel Anker Hermansen	0.12 s	Rust	2024-10-18 13:38:24

#	User	Length	Language	Date
1	Oscar Cusin	1906	C	2024-04-11 13:54:59
2	Sambit Palit	4529	C	2020-10-04 23:25:19

#	User	Length	Language	Date
1	Mikael Fiala-Lundström	6702	C#	2021-07-14 00:33:49

#	User	Length	Language	Date
1	Phạm Xuân Tích	703	C++	2017-11-30 09:02:35
2	Zane Yu	727	C++	2019-01-23 04:51:48
3	Nguyen Xuan Tung	764	C++	2021-01-27 06:25:06
4	Johan Wind	765	C++	2018-09-17 19:11:18
5	William Gan	786	C++	2018-04-12 05:18:57
6	Lingyu Song	793	C++	2018-09-11 16:59:29
7	She Jiayu	795	C++	2020-03-22 21:27:44
8	Emmanuel Anaya	820	C++	2018-10-13 19:36:51
9	Florian Jüngermann	823	C++	2018-11-20 22:35:47
10	Santiago Ley	836	C++	2019-02-26 19:35:21

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	3282	F#	2023-03-26 08:48:25

#	User	Length	Language	Date
1	Norbert Voelker	1296	Go	2021-07-28 00:52:05
2	Theo Coyne Morgan	1323	Go	2022-11-19 12:04:27

#	User	Length	Language	Date
1	Rudy Matela	964	Haskell	2024-11-17 18:13:50
2	Agus Sentosa Hermawan	1314	Haskell	2021-10-31 17:14:21
3	Steinar Simonnes	1361	Haskell	2025-01-18 14:00:44
4	Matthew Craven	2188	Haskell	2021-02-13 19:28:42
5	Brent Yorgey	2585	Haskell	2018-06-11 06:34:08
6	Jason Hooper	4506	Haskell	2019-08-31 19:50:34
7	Hidden user	11617	Haskell	2019-11-03 18:04:01

#	User	Length	Language	Date
1	Doug Goodman	1295	Java	2018-10-19 22:39:09
2	Travis Meade	1309	Java	2018-01-27 21:11:29
3	Sharon Barak	1463	Java	2018-01-28 02:14:50
4	Hidden user	1507	Java	2017-12-08 23:45:58
5	Frank Ruskey	1507	Java	2017-12-08 23:48:04
6	Rishi Sankar	1553	Java	2019-10-12 04:15:39
7	Thore Tiemann	1685	Java	2017-12-14 19:37:35
8	Ivan Petrov	1739	Java	2019-08-27 16:33:38
9	Daniel Fernandez	1752	Java	2019-03-10 17:15:35
10	Stela Palii	1781	Java	2017-12-21 23:45:47

#	User	Length	Language	Date
1	Zach Tschetter	739	JavaScript (SpiderMonkey)	2023-06-15 04:21:15
2	Christian Pilegaard Cederquist	945	JavaScript (SpiderMonkey)	2023-05-31 01:24:48
3	Bjørn Chr. Soltvedt	18329	JavaScript (SpiderMonkey)	2017-11-26 21:29:06

#	User	Length	Language	Date
1	Timothy Gaede	2051	Julia	2024-04-21 08:08:11

#	User	Length	Language	Date
1	Adam Rankin	1293	Kotlin	2023-09-20 02:21:02
2	Hidden user	1363	Kotlin	2017-12-01 00:19:10
3	Nicholas Johnson	1454	Kotlin	2022-05-15 17:48:03
4	Слава Гуляев	2420	Kotlin	2017-11-26 12:40:07

#	User	Length	Language	Date
1	Thomas Feld	409	Python 2	2019-09-12 16:49:05
2	Måns Magnusson	553	Python 2	2017-11-26 19:22:03
3	Sigurður Jens Albertsson	600	Python 2	2017-11-26 18:49:17
4	Ragur Krishnan	611	Python 2	2018-10-20 04:37:51
5	Oskar Haarklou Veileborg	613	Python 2	2017-11-27 16:31:25
6	Christofer Ohlsson	668	Python 2	2017-11-26 14:45:19
7	Johan Lyts	674	Python 2	2020-01-30 14:56:53
8	Ciara Godwin	679	Python 2	2017-12-10 22:19:01
9	Jesper Öqvist	691	Python 2	2018-10-28 18:48:23
10	Asger Hautop Drewsen	714	Python 2	2017-11-27 16:44:43

#	User	Length	Language	Date
1	Michael Goldwasser	339	Python 3	2024-04-04 21:04:25
2	Ahmed Chamseddine	351	Python 3	2023-08-29 15:35:31
3	Nino Bašić	386	Python 3	2023-01-11 11:21:01
4	Yong Mao	401	Python 3	2024-01-18 03:49:16
5	Noah Hessen Bjerke	435	Python 3	2025-11-27 16:23:42
6	Qianlang Chen	502	Python 3	2021-02-21 22:58:33
7	Andreas Björklund	526	Python 3	2023-04-07 16:10:42
8	Nicholas Russell Saerang	526	Python 3	2023-08-15 14:53:01
9	Jason Cannon	528	Python 3	2019-12-04 19:09:04
10	Lim Hong Hui Eugene	541	Python 3	2020-11-20 10:07:10

#	User	Length	Language	Date
1	Hidden user	439	Ruby	2019-03-05 16:02:32

#	User	Length	Language	Date
1	Vincent Lagerros	1840	Rust	2024-04-11 14:20:39
2	Bas Dirks	1876	Rust	2024-02-08 12:55:59
3	Logan Travis	2972	Rust	2025-10-23 06:24:34
4	Krish Lal	3233	Rust	2025-10-24 23:08:34
5	Yoeri Otten	3859	Rust	2022-10-26 17:29:44
6	Eric Pinter	4882	Rust	2022-08-02 05:27:00
7	Daniel Anker Hermansen	15148	Rust	2024-10-18 13:38:24

Solution running time distribution