Problem A
Character Development — Problem Statistics

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Submissions	4176
Accepted submissions	1995
Submission ratio	47.77%
Authors	1906
Full solves [?]	1697
Full solve Ratio	89.03%

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	APL	2023-03-13 13:19:49
2	Max NC	0.01 s	APL	2023-09-09 12:55:36
3	Si Jie Tan	0.02 s	APL	2025-12-12 03:59:23

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.01 s	Bash	2023-09-24 09:39:18
2	Thomas Feld	0.01 s	Bash	2023-09-25 09:50:09
3	Dagur Þórisson	0.01 s	Bash	2024-11-02 16:51:11
4	Oskar Arensmeier	0.01 s	Bash	2025-02-27 21:11:42

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	C#	2018-01-29 19:59:43
2	Loula Agelopoulos	0.02 s	C#	2017-03-18 21:17:48
3	Iwan	0.02 s	C#	2017-04-07 14:07:28
4	Benjamin Bilbeau	0.02 s	C#	2017-05-17 18:29:58
5	Viktor Warg	0.02 s	C#	2017-05-22 10:54:15
6	Klas af Geijerstam	0.02 s	C#	2017-06-02 17:14:56
7	Jeremiah A. Stringer	0.02 s	C#	2017-10-02 16:12:34
8	Angela Secci	0.02 s	C#	2017-12-20 10:09:03
9	Viktor Máni Mönster	0.02 s	C#	2018-07-30 23:02:46
10	Blake Nedved	0.02 s	C#	2018-11-19 23:32:20

#	User	Runtime	Language	Date
1	Brandon Mitchell	0.00 s	COBOL	2020-11-20 21:52:09

#	User	Runtime	Language	Date
1	Ari Páll Agnarsson	0.01 s	Common Lisp	2021-03-25 14:13:31

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.03 s	F#	2022-12-09 17:11:57

#	User	Runtime	Language	Date
1	Theo Coyne Morgan	0.01 s	Go	2019-03-26 21:39:47
2	Norbert Voelker	0.08 s	Go	2021-07-09 21:48:28
3	Sergey Jakobsen	0.08 s	Go	2022-02-10 21:49:25

#	User	Runtime	Language	Date
1	Ranjith M	0.04 s	Java	2024-08-23 04:12:30
2	Taras Romanyuk	0.04 s	Java	2024-09-18 22:11:31
3	Rene Argento	0.04 s	Java	2025-12-18 16:33:03
4	Jeffrey Xiao	0.05 s	Java	2017-03-18 19:04:40
5	Ronald Rojas	0.05 s	Java	2017-03-18 19:08:04
6	Dante Bencivenga	0.05 s	Java	2017-03-18 19:09:15
7	Herbert Li	0.05 s	Java	2017-03-18 19:16:24
8	Jules Berman	0.05 s	Java	2017-03-18 19:17:19
9	Roy Rinberg	0.05 s	Java	2017-03-18 19:23:14
10	Arvind Ramgopal	0.05 s	Java	2017-03-18 19:23:40

#	User	Runtime	Language	Date
1	Marko Lazic	0.05 s	JavaScript (Node.js)	2018-06-16 21:39:37
2	Carl Sundvall	0.05 s	JavaScript (Node.js)	2018-11-15 11:12:49
3	Loris Mario GOMEZ	0.05 s	JavaScript (Node.js)	2023-09-29 12:22:59
4	Angelo Adams	0.42 s	JavaScript (Node.js)	2020-03-03 08:53:47

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2017-03-18 22:36:14
2	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2017-06-08 17:44:15
3	Nah Yi Feng	0.01 s	JavaScript (SpiderMonkey)	2017-10-30 09:05:17
4	Dilawar Mahmood	0.01 s	JavaScript (SpiderMonkey)	2018-01-17 20:23:12
5	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-12 22:58:51
6	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2025-07-14 21:56:29

#	User	Runtime	Language	Date
1	Hidden user	0.26 s	Julia	2025-03-20 20:19:29
2	Timothy Gaede	0.52 s	Julia	2024-04-17 08:36:00

#	User	Runtime	Language	Date
1	Dayan Ruben Gonzalez	0.14 s	Kotlin	2020-09-27 19:33:58
2	Neil Harmon	0.18 s	Kotlin	2019-11-04 11:59:10
3	Adam Rankin	0.18 s	Kotlin	2023-04-24 00:17:54
4	Zaw Myat	0.18 s	Kotlin	2024-01-17 06:18:39
5	Phường Lên	0.19 s	Kotlin	2019-11-05 21:01:16

#	User	Runtime	Language	Date
1	Nanda Thant Sin	0.00 s	Objective-C	2018-05-09 10:57:15

#	User	Runtime	Language	Date
1	Samuel Jefferis	0.00 s	OCaml	2020-10-08 15:22:24

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-10-30 11:38:31

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2017-07-17 21:17:29

#	User	Runtime	Language	Date
1	Paul Liu	0.02 s	Python 2	2017-03-18 19:03:54
2	Shounak Dey	0.02 s	Python 2	2017-03-18 19:04:20
3	Jan Clarin	0.02 s	Python 2	2017-03-18 19:19:58
4	Arash Afshar	0.02 s	Python 2	2017-03-18 19:22:01
5	Henrique Pereira	0.02 s	Python 2	2017-03-18 19:59:05
6	Christofer Ohlsson	0.02 s	Python 2	2017-03-18 20:09:27
7	Akash Gupta	0.02 s	Python 2	2017-03-18 20:10:58
8	Haggai Liu	0.02 s	Python 2	2017-03-26 20:08:59
9	Tomas Alvarez	0.02 s	Python 2	2017-03-27 22:44:21
10	Evgeniy Sharapov	0.02 s	Python 2	2017-04-10 14:17:25

#	User	Runtime	Language	Date
1	Thomas Vu	0.02 s	Python 3	2017-03-18 19:06:08
2	Hua Fan Cai	0.02 s	Python 3	2017-03-18 19:09:13
3	Calvin Bochulak	0.02 s	Python 3	2017-03-18 19:24:30
4	Jenny Le	0.02 s	Python 3	2017-03-18 20:23:49
5	Junze Wu	0.02 s	Python 3	2017-03-18 20:39:58
6	Wahaj Taseer	0.02 s	Python 3	2017-03-18 21:47:41
7	Peter Fajner	0.02 s	Python 3	2017-03-18 21:49:52
8	Paul-Andre Henegar	0.02 s	Python 3	2017-03-18 22:38:07
9	Victor Zheng	0.02 s	Python 3	2017-03-19 02:46:37
10	Shaheed Ebrahim	0.02 s	Python 3	2017-03-19 20:56:49

#	User	Runtime	Language	Date
1	Julius Putra Tanu Setiaji	0.03 s	Ruby	2017-11-20 06:56:21
2	Peter Mikkelsen	0.04 s	Ruby	2019-10-09 22:36:31
3	Hidden user	0.04 s	Ruby	2019-12-15 04:05:58
4	Frederik Petersen	0.06 s	Ruby	2022-10-05 11:36:40
5	Frederik Spang	0.06 s	Ruby	2022-10-06 20:15:46
6	dick move	0.06 s	Ruby	2022-12-06 21:44:27
7	Gustav Elmqvist	0.06 s	Ruby	2023-03-18 01:47:53
8	Guillermo Hernández	0.06 s	Ruby	2024-01-01 08:16:53
9	Si Jie Tan	0.06 s	Ruby	2025-12-12 04:00:57
10	Thomas Feld	0.07 s	Ruby	2022-11-28 11:14:19

#	User	Runtime	Language	Date
1	Isak Jägberg	0.00 s	Rust	2019-05-05 19:13:36
2	Eric Pinter	0.00 s	Rust	2021-06-26 04:13:41
3	Bas Dirks	0.00 s	Rust	2022-01-31 12:06:52
4	Kristinn Vikar	0.00 s	Rust	2023-10-29 21:11:41
5	Taylor South	0.00 s	Rust	2023-12-19 00:19:42
6	Vincent Lagerros	0.00 s	Rust	2025-05-27 21:30:25
7	Egor Kulikov	0.00 s	Rust	2025-10-16 14:37:13

#	User	Length	Language	Date
1	Thomas Feld	20	APL	2023-03-13 13:28:17
2	Si Jie Tan	24	APL	2025-12-12 03:59:23
3	Max NC	70	APL	2023-09-09 12:55:36

#	User	Length	Language	Date
1	Thomas Feld	21	Bash	2023-09-25 09:50:43
2	Chenzhang Hu	22	Bash	2025-09-12 12:05:38
3	Oskar Arensmeier	24	Bash	2025-02-27 21:11:42
4	Dagur Þórisson	25	Bash	2024-11-02 16:51:11

#	User	Length	Language	Date
1	Olav Røthe Bakken	111	C	2018-01-17 08:10:56
2	Yao Wang	112	C	2019-04-11 21:40:26
3	Anatole HAGBE	116	C	2019-05-12 13:55:56
4	Hidden user	119	C	2017-11-11 18:06:13
5	andromeda378	121	C	2023-11-20 13:45:05
6	Boris Adjahou	122	C	2017-03-25 15:48:11
7	Elaina Sellers	122	C	2019-02-20 15:51:36
8	Akil Marshall	123	C	2017-11-17 08:38:09
9	Sebastian Oveland	123	C	2018-02-28 19:22:41
10	Martin Tran	124	C	2017-03-23 01:04:41

#	User	Length	Language	Date
1	Blake Nedved	263	C#	2018-11-19 23:32:20
2	Hidden user	278	C#	2018-01-29 19:59:43
3	Jeremiah A. Stringer	353	C#	2017-10-02 16:12:34
4	Armin Krauss	388	C#	2018-11-24 22:28:17
5	Eric Weiss	467	C#	2022-09-19 14:18:21
6	Loula Agelopoulos	490	C#	2017-03-18 21:17:48
7	Iwan	492	C#	2017-04-07 14:07:28
8	Gustav Junedahl	584	C#	2022-04-26 12:08:50
9	Michael Damsgaard	701	C#	2024-12-30 16:36:40
10	Klas af Geijerstam	812	C#	2017-06-02 17:14:56

#	User	Length	Language	Date
1	Taylor Rodríguez	69	C++	2025-05-09 21:29:27
2	Tyler Fernando	72	C++	2022-11-01 03:24:28
3	Alexander Kravberg	98	C++	2023-12-28 21:12:53
4	Eimhin McDonald	99	C++	2018-04-13 06:12:32
5	Martin Wan	101	C++	2017-06-19 05:18:07
6	Zane Yu	102	C++	2019-01-03 07:37:05
7	Nguyen Tran Huu Duc	108	C++	2022-10-02 11:48:13
8	Daniel Rasmussen	110	C++	2023-07-18 23:35:08
9	Fannar Freyr Þorbergsson	114	C++	2022-05-08 21:37:32
10	Le Heng Chieu	115	C++	2017-07-12 13:23:31

#	User	Length	Language	Date
1	Brandon Mitchell	334	COBOL	2020-11-20 21:52:09

#	User	Length	Language	Date
1	Ari Páll Agnarsson	3343	Common Lisp	2021-03-25 14:13:31

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	105	F#	2022-12-09 17:11:57

#	User	Length	Language	Date
1	Theo Coyne Morgan	142	Go	2019-03-26 21:39:47
2	Sergey Jakobsen	248	Go	2022-02-10 21:49:25
3	Norbert Voelker	437	Go	2021-07-09 21:48:28

#	User	Length	Language	Date
1	Rudy Matela	35	Haskell	2023-09-16 11:16:27
2	Bjarki Baldursson Harksen	69	Haskell	2021-03-31 20:40:49
3	Jahid Hasan Imon	71	Haskell	2020-09-25 15:05:55
4	Fran Cruz Zamorano	80	Haskell	2017-07-05 14:38:24
5	Hidden user	107	Haskell	2017-12-17 09:12:22
6	Hidden user	108	Haskell	2022-11-22 10:58:23
7	Aurélien Pepin	114	Haskell	2019-09-15 15:33:10
8	Qi Ji	115	Haskell	2018-07-14 23:03:09
9	Esther Chong	121	Haskell	2017-12-02 09:28:27
10	Dominic Shillingford	147	Haskell	2018-02-09 00:14:06

#	User	Length	Language	Date
1	Rasmus Poulsen	171	Java	2023-10-25 11:11:20
2	Doug Goodman	197	Java	2017-09-15 17:13:22
3	Wang Zhi Jian	200	Java	2018-08-16 10:55:24
4	Paul Boddington	204	Java	2020-07-26 18:59:40
5	Ada Clevinger	206	Java	2018-06-09 02:14:28
6	Robert Slutsky	212	Java	2017-06-27 16:27:22
7	Alex Lewin	213	Java	2018-10-14 20:40:01
8	Nguyen Phuoc Bao Hoang	217	Java	2017-09-22 03:00:56
9	Pedro Contipelli	219	Java	2017-03-19 04:17:11
10	Michael Liu	219	Java	2018-05-17 04:44:41

#	User	Length	Language	Date
1	Marko Lazic	255	JavaScript (Node.js)	2018-06-16 21:39:37
2	Angelo Adams	333	JavaScript (Node.js)	2020-03-03 08:53:47
3	Loris Mario GOMEZ	333	JavaScript (Node.js)	2023-09-29 12:22:59
4	Carl Sundvall	1091	JavaScript (Node.js)	2018-11-15 11:12:49

#	User	Length	Language	Date
1	Jimmy Gustafsson	28	JavaScript (SpiderMonkey)	2025-07-14 21:56:29
2	Christian Pilegaard Cederquist	38	JavaScript (SpiderMonkey)	2023-01-12 22:58:51
3	Dilawar Mahmood	63	JavaScript (SpiderMonkey)	2018-01-17 20:23:12
4	Bjørn Chr. Soltvedt	251	JavaScript (SpiderMonkey)	2017-03-18 22:36:14
5	Peter Kedemo	444	JavaScript (SpiderMonkey)	2017-06-08 17:44:15
6	Nah Yi Feng	492	JavaScript (SpiderMonkey)	2017-10-30 09:05:17

#	User	Length	Language	Date
1	Hidden user	40	Julia	2025-03-20 20:19:29
2	Timothy Gaede	95	Julia	2024-04-17 08:36:00

#	User	Length	Language	Date
1	Zaw Myat	161	Kotlin	2024-01-17 06:18:39
2	Dayan Ruben Gonzalez	174	Kotlin	2020-09-27 19:33:58
3	Adam Rankin	303	Kotlin	2023-04-24 00:17:54
4	Phường Lên	510	Kotlin	2019-11-05 21:01:16
5	Neil Harmon	1364	Kotlin	2019-11-04 11:59:10

#	User	Length	Language	Date
1	Nanda Thant Sin	290	Objective-C	2018-05-09 10:57:15

#	User	Length	Language	Date
1	Samuel Jefferis	572	OCaml	2020-10-08 15:22:24

#	User	Length	Language	Date
1	Ingemar Ragnemalm	142	Pascal	2017-10-30 11:38:31

#	User	Length	Language	Date
1	Andriy Zyevakov	74	Prolog	2017-07-17 21:17:29

#	User	Length	Language	Date
1	Taylor Rodríguez	23	Python 2	2025-05-09 21:42:47
2	Kristján Sölvi Örnólfsson	24	Python 2	2023-03-23 13:12:42
3	Shounak Dey	27	Python 2	2017-03-18 19:04:20
4	Lars Åström	27	Python 2	2018-05-02 21:30:31
5	Garðar Ingvarsson	29	Python 2	2019-01-09 16:24:13
6	Eoin Davey	31	Python 2	2018-03-26 15:12:54
7	Maxthrowl	34	Python 2	2017-12-13 22:04:33
8	Thomas Feld	34	Python 2	2019-09-24 06:40:21
9	Fuad Mohammed	35	Python 2	2019-11-15 09:35:13
10	Christofer Ohlsson	36	Python 2	2017-03-18 20:09:27

#	User	Length	Language	Date
1	Gustav Elmqvist	29	Python 3	2023-03-18 01:50:28
2	Benjamin Z White	29	Python 3	2023-04-23 07:17:49
3	Clement Oh	29	Python 3	2023-05-05 17:08:24
4	M4 Myat Maung	29	Python 3	2025-01-17 20:58:29
5	Nguyên Khôi Đỗ	29	Python 3	2025-01-17 21:03:02
6	Taylor Rodríguez	29	Python 3	2025-05-09 21:39:53
7	a_b__c	30	Python 3	2021-01-07 08:31:47
8	Lee Isaac	30	Python 3	2022-11-04 14:25:55
9	John Lyon	30	Python 3	2022-11-10 02:25:46
10	Hugo Morvan	30	Python 3	2022-11-27 23:01:14

#	User	Length	Language	Date
1	Thomas Feld	20	Ruby	2022-11-28 11:14:19
2	dick move	20	Ruby	2022-12-06 21:44:27
3	Gustav Elmqvist	21	Ruby	2023-03-18 01:50:52
4	Guillermo Hernández	21	Ruby	2024-01-01 08:19:26
5	Frederik Spang	22	Ruby	2022-10-06 20:15:46
6	Frederik Petersen	23	Ruby	2022-10-05 11:51:03
7	Alexandre Douard	24	Ruby	2023-12-20 21:55:19
8	Si Jie Tan	25	Ruby	2025-12-12 04:00:57
9	Julius Putra Tanu Setiaji	32	Ruby	2017-11-20 06:56:21
10	Hidden user	55	Ruby	2019-12-15 04:05:58

#	User	Length	Language	Date
1	Vincent Lagerros	181	Rust	2025-05-27 21:30:25
2	Isak Jägberg	467	Rust	2019-05-05 19:13:36
3	Bas Dirks	780	Rust	2022-01-31 12:06:52
4	Eric Pinter	838	Rust	2021-06-26 04:13:41
5	Kristinn Vikar	1288	Rust	2023-10-29 21:11:41
6	Taylor South	2336	Rust	2023-12-19 00:19:42
7	Egor Kulikov	15882	Rust	2025-10-16 14:37:13

Solution running time distribution