Problem D
Alphabet — Problem Statistics

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Submissions	6715
Accepted submissions	3072
Submission ratio	45.75%
Authors	2669
Full solves [?]	2220
Full solve Ratio	83.18%

#	User	Runtime	Language	Date
1	Benjamin Bilbeau	0.02 s	C#	2018-06-26 03:54:59
2	Daniel Keller	0.02 s	C#	2018-10-19 19:24:18
3	Andriy Zyevakov	0.02 s	C#	2019-05-24 16:48:15
4	Abdellatif Elyoussefy	0.02 s	C#	2020-02-23 15:04:23
5	Lenar Sharipov	0.02 s	C#	2020-11-15 00:52:20
6	Rickard Bemm	0.02 s	C#	2021-03-20 16:08:18
7	Adam Imbert	0.02 s	C#	2021-08-06 18:02:18
8	Mario Lucassen	0.04 s	C#	2023-08-30 15:56:46
9	Adam Zdziechowski	0.04 s	C#	2024-01-13 11:30:40
10	Hidden user	0.04 s	C#	2024-03-17 17:16:43

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Common Lisp	2019-07-27 23:17:34

#	User	Runtime	Language	Date
1	Javier Gómez Díaz	0.00 s	Crystal	2025-07-24 22:52:46

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	F#	2022-09-08 15:06:36

#	User	Runtime	Language	Date
1	Yuwono Bangun Nagoro	0.02 s	Go	2022-09-15 08:56:49
2	Jahid Hasan Imon	0.02 s	Go	2022-11-26 05:10:34
3	Norbert Voelker	0.02 s	Go	2023-04-16 16:29:01
4	Nick Andrievsky	0.07 s	Go	2020-11-08 12:23:20
5	Lenar Sharipov	0.07 s	Go	2020-11-15 00:05:38

#	User	Runtime	Language	Date
1	Fumiaki Takagi	0.00 s	Haskell	2023-01-30 00:52:05
2	Steinar Simonnes	0.00 s	Haskell	2024-10-25 05:28:14
3	Rudi Svartveit	0.01 s	Haskell	2018-08-19 18:08:22
4	Brent Yorgey	0.01 s	Haskell	2018-08-26 21:46:38
5	Alberto Cerezo Cid	0.01 s	Haskell	2018-09-03 15:26:30
6	Birk Tjelmeland	0.01 s	Haskell	2018-10-30 17:54:28
7	Patrick Bahr	0.01 s	Haskell	2018-11-25 13:26:22
8	Joakim Sunde	0.01 s	Haskell	2019-02-14 18:50:36
9	Robin Messenger	0.01 s	Haskell	2019-04-04 19:18:36
10	William Lohrmann	0.01 s	Haskell	2019-11-27 23:09:38

#	User	Runtime	Language	Date
1	Sagnik Biswas	0.04 s	Java	2024-08-12 22:43:27
2	Elaica Dela Cruz	0.04 s	Java	2024-09-07 14:27:09
3	Alvin Lee	0.04 s	Java	2024-10-10 22:56:44
4	Leon Wang	0.04 s	Java	2024-10-11 19:39:44
5	Issa Issack	0.04 s	Java	2024-10-13 15:14:10
6	Olivia Liu	0.04 s	Java	2024-10-17 20:01:46
7	harshvardhan sharma	0.04 s	Java	2024-10-17 21:34:38
8	Hidden user	0.04 s	Java	2024-10-17 23:33:44
9	Yuxin Sun	0.05 s	Java	2018-02-24 18:06:15
10	Olav Røthe Bakken	0.05 s	Java	2018-03-18 14:10:06

#	User	Runtime	Language	Date
1	Ram Basnet	0.05 s	JavaScript (Node.js)	2018-10-19 02:42:27
2	Robin Messenger	0.05 s	JavaScript (Node.js)	2019-03-26 21:12:52
3	Davíð Helgason	0.42 s	JavaScript (Node.js)	2020-01-27 14:48:35

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2018-06-13 08:04:05
2	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-06-18 02:43:11
3	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-04-24 21:07:21

#	User	Runtime	Language	Date
1	Timothy Gaede	0.46 s	Julia	2025-09-21 06:38:17
2	Hidden user	0.47 s	Julia	2025-03-13 19:44:50
3	Danny Robinson	0.62 s	Julia	2023-09-04 05:31:30

#	User	Runtime	Language	Date
1	Jacob Huebner	0.13 s	Kotlin	2023-02-08 01:17:20
2	Przemysław Curzytek	0.14 s	Kotlin	2018-06-28 11:01:31
3	Josie Bierbaum	0.14 s	Kotlin	2021-10-31 00:11:54
4	Kelly Dance	0.16 s	Kotlin	2022-10-20 17:04:00
5	arda atci	0.17 s	Kotlin	2020-07-08 21:52:30
6	Sam Keyser	0.17 s	Kotlin	2023-09-04 14:59:47
7	Hidden user	0.19 s	Kotlin	2019-10-31 01:19:18
8	Phường Lên	0.19 s	Kotlin	2019-10-31 01:43:14
9	Adam Rankin	0.20 s	Kotlin	2023-09-19 15:51:30
10	André Dyrstad	0.22 s	Kotlin	2020-08-07 08:16:41

#	User	Runtime	Language	Date
1	Shehab Ahmed Hatem	0.00 s	Lua	2023-11-15 14:40:55
2	Óðinn Ágústsson	0.00 s	Lua	2025-02-16 17:03:02

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-10-19 21:38:27

#	User	Runtime	Language	Date
1	Rakibul Hassan	0.01 s	PHP	2021-01-16 21:43:45
2	Saginaw George	0.01 s	PHP	2021-01-17 12:46:37
3	Philippe Hubert	0.06 s	PHP	2024-01-04 11:48:58

#	User	Runtime	Language	Date
1	Vifill Sverrisson	0.03 s	Python 2	2018-02-28 16:22:57
2	Unnar Freyr Erlendsson	0.03 s	Python 2	2018-03-28 02:32:52
3	Aditya Parulekar	0.03 s	Python 2	2018-07-12 16:16:51
4	Lars Åström	0.03 s	Python 2	2018-10-11 22:04:45
5	Christopher Webb	0.03 s	Python 2	2018-10-18 20:40:22
6	Fatima Afzali	0.03 s	Python 2	2018-10-20 17:33:20
7	Yao Yiheng	0.03 s	Python 2	2018-10-20 18:43:32
8	Amar Topalovic	0.03 s	Python 2	2018-10-30 19:44:18
9	Björn Magnusson	0.03 s	Python 2	2018-11-02 21:19:11
10	Måns Magnusson	0.03 s	Python 2	2018-11-04 19:21:10

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.02 s	Python 3	2018-02-24 21:39:00
2	Wayne	0.02 s	Python 3	2018-02-25 20:09:35
3	Ciara Godwin	0.02 s	Python 3	2018-02-27 22:09:51
4	Tomas Lagland	0.02 s	Python 3	2018-03-01 18:58:15
5	Robert Lockwood	0.02 s	Python 3	2018-04-02 20:25:04
6	John Barczynski	0.02 s	Python 3	2018-04-03 22:26:47
7	Arjun Blum	0.02 s	Python 3	2018-04-04 01:35:58
8	Leonardo Donelli	0.02 s	Python 3	2018-04-16 00:29:26
9	Quoc Anh Tran	0.02 s	Python 3	2018-04-21 02:03:55
10	Can Liu	0.02 s	Python 3	2018-04-28 17:44:51

#	User	Runtime	Language	Date
1	Robin Messenger	0.05 s	Ruby	2019-04-05 14:50:37
2	Thomas Feld	0.06 s	Ruby	2023-02-02 11:59:09

#	User	Runtime	Language	Date
1	Oleksii Ihnatenko	0.00 s	Zig	2024-02-19 20:57:44

#	User	Length	Language	Date
1	Ching Chang	467	C	2022-07-15 06:54:42
2	RYU	475	C	2025-09-30 10:14:03
3	klimisnotmilk	491	C	2023-03-22 02:06:31
4	Mattia Marziali	527	C	2023-09-19 13:46:53
5	Mirel Cosulschi	528	C	2024-01-21 16:46:27
6	Dang Chi Vi (K18 CT)	534	C	2023-10-31 01:52:25
7	Hong Anh Bao Ngoc (K18 CT)	536	C	2023-10-31 02:19:36
8	jaouad Zerhouni	566	C	2022-04-12 23:22:52
9	Dema lhamo	578	C	2021-04-21 16:14:49
10	Damaris Eugenia Calderon Cruz	583	C	2023-01-20 22:18:07

#	User	Length	Language	Date
1	Esty Crow	610	C#	2025-06-06 00:38:28
2	Anthony Ye	673	C#	2025-06-13 18:58:34
3	Ali Aliev	862	C#	2024-07-26 16:49:04
4	Anthony Willy Algarñaz Bueno	883	C#	2025-06-26 15:34:01
5	Abdellatif Elyoussefy	947	C#	2020-02-23 15:04:23
6	Lenar Sharipov	1130	C#	2020-11-15 00:52:20
7	Mario Lucassen	1183	C#	2023-08-30 15:56:46
8	Hidden user	1247	C#	2024-02-21 09:57:18
9	Hidden user	1376	C#	2024-05-18 11:45:38
10	Rickard Bemm	1402	C#	2021-03-20 16:08:18

#	User	Length	Language	Date
1	Evan Michael Bailey	160	C++	2023-07-26 15:59:54
2	a_b__c	225	C++	2021-02-09 07:32:58
3	Josenildo Silva	241	C++	2018-11-25 16:34:35
4	Mathias Gernez	243	C++	2023-08-23 17:58:19
5	Samuel Tan	256	C++	2020-08-01 07:27:04
6	Admasu Abera	277	C++	2021-06-30 12:30:48
7	Ragur Krishnan	289	C++	2018-09-14 21:15:12
8	黃太陽	293	C++	2022-02-28 07:39:53
9	Guan Han Li	294	C++	2024-01-26 00:21:55
10	Elias Lolck	299	C++	2023-02-23 12:15:36

#	User	Length	Language	Date
1	Hidden user	431	Common Lisp	2019-07-27 23:17:34

#	User	Length	Language	Date
1	Javier Gómez Díaz	268	Crystal	2025-07-24 22:52:46

#	User	Length	Language	Date
1	Hidden user	1138	F#	2022-09-08 15:06:36

#	User	Length	Language	Date
1	Jahid Hasan Imon	449	Go	2022-11-26 05:10:34
2	Norbert Voelker	458	Go	2023-04-16 16:29:01
3	Lenar Sharipov	922	Go	2020-11-15 00:28:27
4	Nick Andrievsky	2298	Go	2020-11-08 12:23:20
5	Yuwono Bangun Nagoro	3222	Go	2022-09-15 08:56:49

#	User	Length	Language	Date
1	Alberto Cerezo Cid	441	Haskell	2018-09-03 15:26:30
2	Patrick Bahr	488	Haskell	2018-11-25 13:26:22
3	Joakim Sunde	498	Haskell	2019-02-14 18:50:36
4	William Lohrmann	514	Haskell	2019-11-27 23:09:38
5	Fumiaki Takagi	622	Haskell	2023-01-30 00:52:05
6	Birk Tjelmeland	640	Haskell	2018-10-30 17:54:28
7	Dominik Bollmann	732	Haskell	2020-11-13 15:01:49
8	Robin Messenger	835	Haskell	2019-04-04 19:18:36
9	Rudi Svartveit	896	Haskell	2018-08-19 18:08:22
10	Brent Yorgey	924	Haskell	2018-08-26 21:46:38

#	User	Length	Language	Date
1	Qritel Abdelilah	434	Java	2018-05-01 12:12:37
2	Natalie Longtin	486	Java	2020-02-29 20:14:25
3	Kai Qu	497	Java	2018-11-13 06:58:57
4	Hidden user	501	Java	2018-11-15 20:49:22
5	David Joy	510	Java	2019-11-04 19:22:21
6	Adam Abdalla	540	Java	2019-02-05 17:06:38
7	Yeabkal Wubshit	565	Java	2019-09-29 21:43:25
8	Collin Jakubik	568	Java	2023-02-23 01:32:39
9	Lior Barak	575	Java	2018-11-15 20:22:25
10	Doug Goodman	575	Java	2018-12-17 20:35:27

#	User	Length	Language	Date
1	Ram Basnet	621	JavaScript (Node.js)	2018-10-19 02:42:27
2	Robin Messenger	1268	JavaScript (Node.js)	2019-03-26 21:12:52
3	Davíð Helgason	3067	JavaScript (Node.js)	2020-01-27 14:48:35

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	732	JavaScript (SpiderMonkey)	2023-04-24 21:07:21
2	Bjørn Chr. Soltvedt	783	JavaScript (SpiderMonkey)	2018-06-13 08:04:05
3	Zach Tschetter	1090	JavaScript (SpiderMonkey)	2023-06-18 02:43:11

#	User	Length	Language	Date
1	Hidden user	141	Julia	2025-03-13 19:57:51
2	Danny Robinson	182	Julia	2023-09-04 05:31:30
3	Timothy Gaede	402	Julia	2025-03-30 07:04:04

#	User	Length	Language	Date
1	Kelly Dance	374	Kotlin	2022-10-20 17:04:00
2	André Dyrstad	446	Kotlin	2020-08-07 08:16:41
3	Jacob Huebner	625	Kotlin	2023-02-08 01:17:20
4	Sam Keyser	663	Kotlin	2023-09-04 14:59:47
5	Hidden user	763	Kotlin	2019-10-31 01:19:18
6	arda atci	1094	Kotlin	2020-07-08 21:52:30
7	Josie Bierbaum	1112	Kotlin	2021-10-31 00:11:54
8	Adam Rankin	1216	Kotlin	2023-09-19 15:51:30
9	Phường Lên	1285	Kotlin	2019-10-31 01:43:14
10	Przemysław Curzytek	2727	Kotlin	2018-06-28 11:01:31

#	User	Length	Language	Date
1	Óðinn Ágústsson	728	Lua	2025-02-16 17:03:02
2	Shehab Ahmed Hatem	763	Lua	2023-11-15 14:40:55

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1564	Pascal	2018-10-19 21:38:27

#	User	Length	Language	Date
1	Rakibul Hassan	630	PHP	2021-01-16 21:43:45
2	Saginaw George	695	PHP	2021-01-17 12:46:37
3	Philippe Hubert	1129	PHP	2024-01-04 11:48:58

#	User	Length	Language	Date
1	Måns Magnusson	185	Python 2	2018-11-04 19:21:10
2	Narciso Isaac Eugenio	214	Python 2	2018-11-22 06:46:39
3	Thomas Feld	223	Python 2	2020-06-22 13:16:42
4	Markus Sortland Dregi	243	Python 2	2018-11-05 14:47:30
5	Yao Yiheng	248	Python 2	2018-10-20 18:43:32
6	Amar Topalovic	282	Python 2	2018-10-30 19:44:18
7	Guan Yang Ze	293	Python 2	2019-09-24 09:26:18
8	Vifill Sverrisson	319	Python 2	2018-02-28 16:22:57
9	Siraj Yesuf	333	Python 2	2019-10-18 13:55:33
10	Unnar Freyr Erlendsson	347	Python 2	2018-03-28 02:32:52

#	User	Length	Language	Date
1	Tobias Glimmerfors	68	Python 3	2023-08-04 20:31:40
2	Clement Oh	86	Python 3	2023-06-18 17:00:37
3	Hidden user	93	Python 3	2021-11-20 03:41:34
4	Nathan Koppel	126	Python 3	2023-08-30 03:59:34
5	Shashank Bhatt	129	Python 3	2023-01-27 07:00:57
6	Kelly Dance	136	Python 3	2022-11-17 23:20:43
7	Nicholas Russell Saerang	139	Python 3	2025-06-21 15:51:16
8	Francisco Carvajal	146	Python 3	2023-09-16 20:35:52
9	Hidden user	148	Python 3	2023-02-17 07:19:25
10	Hidden user	158	Python 3	2020-05-18 00:58:56

#	User	Length	Language	Date
1	Thomas Feld	64	Ruby	2023-08-07 10:59:00
2	Robin Messenger	331	Ruby	2019-04-05 14:50:37

#	User	Length	Language	Date
1	Vincent Lagerros	227	Rust	2024-11-17 12:48:17
2	Artur Khuziakhmetov	445	Rust	2025-01-24 18:08:26
3	Ludi Lin	618	Rust	2019-06-23 08:38:14
4	Mattéo Ladrat	655	Rust	2021-02-26 10:53:03
5	Thomas Hügel	730	Rust	2020-12-30 14:23:30
6	Sylvain	774	Rust	2021-03-02 22:01:14
7	Bas Dirks	865	Rust	2022-03-20 09:21:18
8	Robin Messenger	906	Rust	2019-04-03 14:02:38
9	Mikail Khan	981	Rust	2022-04-11 04:27:15
10	Martin Lindström	1011	Rust	2020-11-28 18:55:45

#	User	Length	Language	Date
1	Oleksii Ihnatenko	846	Zig	2024-02-19 20:57:44

Solution running time distribution