Problem A
Compound Words — Problem Statistics

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Submissions	7989
Accepted submissions	4595
Submission ratio	57.52%
Authors	4146
Full solves [?]	3902
Full solve Ratio	94.11%

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-09-12 16:17:09
2	Chenzhang Hu	0.02 s	Bash	2025-09-12 21:42:07

#	User	Runtime	Language	Date
1	Niklas Huss	0.02 s	C#	2015-08-17 20:21:44
2	Jonas S	0.02 s	C#	2015-08-23 17:21:47
3	Yuwono Bangun Nagoro	0.02 s	C#	2016-01-11 19:33:46
4	Hidden user	0.02 s	C#	2016-02-11 10:29:16
5	Khin Nyunt	0.02 s	C#	2016-04-13 05:44:54
6	Raja Sanjeev Kumar Nakka	0.02 s	C#	2016-04-29 21:02:26
7	Robert Low	0.02 s	C#	2016-07-17 10:32:50
8	Ugnius Skučas	0.02 s	C#	2016-10-18 10:46:15
9	Ludwig Hedeby	0.02 s	C#	2016-10-26 22:33:10
10	Duelene Olson	0.02 s	C#	2016-11-20 01:37:50

#	User	Runtime	Language	Date
1	David Cawthon	0.02 s	Common Lisp	2019-04-18 01:24:17

#	User	Runtime	Language	Date
1	Krzysztof Gibuła	0.01 s	Go	2019-03-17 15:58:05
2	Norbert Voelker	0.02 s	Go	2021-04-20 14:04:45
3	Ciarán Ó hAoláin	0.08 s	Go	2017-12-09 02:11:03

#	User	Runtime	Language	Date
1	Axel Nilsson	0.04 s	Java	2024-08-23 11:25:46
2	Hidden user	0.04 s	Java	2026-02-22 17:06:16
3	Dennis Ang	0.05 s	Java	2015-09-24 03:29:30
4	Michael Sullivan	0.05 s	Java	2016-01-02 05:12:06
5	Love Engman	0.05 s	Java	2016-06-27 15:37:10
6	Finn Lidbetter	0.05 s	Java	2016-07-03 21:12:21
7	Martijn Muijsers	0.05 s	Java	2016-09-25 23:22:44
8	Marco Troltsch	0.05 s	Java	2016-11-09 19:59:56
9	Ron Sprenkels	0.05 s	Java	2017-02-12 22:06:12
10	Alan Evans	0.05 s	Java	2017-03-04 15:37:23

#	User	Runtime	Language	Date
1	Gurpartap Singh Bhatti	0.05 s	JavaScript (Node.js)	2019-03-01 18:23:12
2	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-04-16 06:28:55
3	Hidden user	0.05 s	JavaScript (Node.js)	2024-07-06 07:18:22
4	John	0.08 s	JavaScript (Node.js)	2022-08-17 07:50:19
5	Chris Wong	0.41 s	JavaScript (Node.js)	2021-02-23 19:07:20
6	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-10 17:29:40
7	Howard Tin Chi Chan	0.42 s	JavaScript (Node.js)	2021-02-20 01:17:00
8	Khin Nyunt	0.42 s	JavaScript (Node.js)	2021-09-26 16:55:49
9	Niamh Limerick	0.42 s	JavaScript (Node.js)	2022-02-16 14:43:37

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2015-12-25 23:09:26
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-01-19 22:19:55
3	Hidden user	0.01 s	JavaScript (SpiderMonkey)	2016-08-03 05:47:28
4	Hà Minh Ngọc	0.01 s	JavaScript (SpiderMonkey)	2016-08-03 05:55:20
5	Michael Laszlo	0.01 s	JavaScript (SpiderMonkey)	2016-09-29 05:21:16
6	Spencer Smith	0.01 s	JavaScript (SpiderMonkey)	2017-06-03 06:54:24
7	Hidden user	0.01 s	JavaScript (SpiderMonkey)	2017-06-06 03:58:56
8	Andrea Bianchessi	0.01 s	JavaScript (SpiderMonkey)	2017-10-27 18:21:24
9	Alhasan Ahmed Abd	0.01 s	JavaScript (SpiderMonkey)	2018-04-24 03:47:03
10	Robin Livesey	0.01 s	JavaScript (SpiderMonkey)	2018-05-05 14:46:43

#	User	Runtime	Language	Date
1	Hidden user	0.56 s	Julia	2025-02-26 07:59:53
2	Danny Robinson	0.65 s	Julia	2023-06-22 00:07:02
3	Timothy Gaede	0.68 s	Julia	2024-03-27 07:50:51

#	User	Runtime	Language	Date
1	Johnny Baloney	0.14 s	Kotlin	2022-01-20 21:49:39
2	Neil Harmon	0.17 s	Kotlin	2019-04-12 09:46:46
3	Dayan Ruben Gonzalez	0.17 s	Kotlin	2020-09-30 17:26:12
4	Hidden user	0.18 s	Kotlin	2017-11-12 00:30:48
5	Adam Koprowski	0.20 s	Kotlin	2020-08-30 22:32:48
6	Adam Rankin	0.20 s	Kotlin	2023-05-09 00:34:48
7	Nick Ivanov	0.21 s	Kotlin	2018-03-07 05:44:15
8	Mike Menendez	0.21 s	Kotlin	2019-04-25 10:40:25
9	Dmitry Shostak	0.21 s	Kotlin	2019-08-18 18:35:17
10	Einar Kjellback	0.23 s	Kotlin	2019-12-03 23:51:49

#	User	Runtime	Language	Date
1	Caleb Austin	0.00 s	Lua	2024-09-27 22:09:25

#	User	Runtime	Language	Date
1	Alfredo Beaumont	0.00 s	Odin	2024-01-28 11:43:34
2	Junyu Zhan	0.00 s	Odin	2026-01-21 10:09:24

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-09-15 12:58:56

#	User	Runtime	Language	Date
1	Silvena Lam	0.01 s	PHP	2018-03-01 10:45:30
2	Renate Fiala-Lundström	0.01 s	PHP	2023-07-20 23:59:10

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-12 16:40:53

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.02 s	Python 2	2015-04-29 15:59:26
2	Magnús Þór Benediktsson	0.02 s	Python 2	2015-05-16 11:09:07
3	Erik Odenman	0.02 s	Python 2	2015-05-21 02:46:41
4	Quan Huynh	0.02 s	Python 2	2015-09-12 08:08:52
5	Johan Wind	0.02 s	Python 2	2015-09-14 17:03:28
6	Tore Norderud	0.02 s	Python 2	2015-09-19 13:08:34
7	Arne Tobias Malkenes Ødegaard	0.02 s	Python 2	2015-12-05 15:35:44
8	Neal Zane	0.02 s	Python 2	2016-01-14 16:43:03
9	Asger Hautop Drewsen	0.02 s	Python 2	2016-01-27 23:02:48
10	Urban Pettersson	0.02 s	Python 2	2016-02-03 20:01:50

#	User	Runtime	Language	Date
1	James Elías Sigurðarson	0.02 s	Python 3	2015-06-03 16:39:04
2	Johannes Agestam	0.02 s	Python 3	2015-06-25 00:24:46
3	Petra Marc	0.02 s	Python 3	2015-09-15 14:24:23
4	Emil Riis Hansen	0.02 s	Python 3	2015-11-01 11:54:40
5	Tammo Behrends	0.02 s	Python 3	2015-11-30 14:01:26
6	Hidden user	0.02 s	Python 3	2016-01-14 16:12:15
7	Wayne	0.02 s	Python 3	2016-01-27 10:14:59
8	Hidden user	0.02 s	Python 3	2016-03-19 19:30:58
9	Thais Minet	0.02 s	Python 3	2016-03-22 00:35:31
10	Aleksei Kashuba	0.02 s	Python 3	2016-03-23 02:33:55

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-02-04 13:25:14
2	Gerry Hall	0.03 s	Ruby	2016-03-16 07:52:19
3	Lasse Berglund	0.03 s	Ruby	2016-04-07 15:48:50
4	Paul Vinell	0.04 s	Ruby	2018-05-04 14:33:06
5	Macdara mac an tSionnaigh	0.04 s	Ruby	2019-10-05 19:51:58
6	Lim Ming Yean	0.05 s	Ruby	2018-12-01 14:05:42
7	Kok Dith	0.05 s	Ruby	2021-08-18 05:21:37
8	Régis Hanol	0.05 s	Ruby	2022-01-08 14:53:51
9	Hidden user	0.05 s	Ruby	2022-02-20 15:53:50
10	Emil Kneutgen	0.05 s	Ruby	2022-02-21 20:59:38

#	User	Length	Language	Date
1	Chenzhang Hu	56	Bash	2025-09-12 21:42:07
2	Danny Robinson	76	Bash	2023-09-12 16:17:09

#	User	Length	Language	Date
1	Martin Blom	363	C	2024-01-31 09:35:51
2	Julian Duniec	771	C	2023-09-18 13:26:31
3	Mirel Cosulschi	838	C	2022-12-17 22:42:41
4	a_b__c	935	C	2021-02-08 12:19:49
5	Matthew Weston	976	C	2022-01-15 16:46:05
6	Jeviczki Jane	1178	C	2025-11-16 23:40:36
7	Sami Al Chalati	1224	C	2024-10-27 22:35:58
8	Thomas	1294	C	2018-10-07 15:41:37
9	Darren lionardo	1297	C	2021-08-01 18:24:11
10	Isaac Pashenkov	1457	C	2020-11-18 03:38:42

#	User	Length	Language	Date
1	李陆屿	556	C#	2019-05-14 14:28:57
2	Kunwei Zhang	601	C#	2018-02-15 04:31:49
3	Esty Crow	615	C#	2024-07-05 12:01:32
4	Khin Nyunt	620	C#	2016-04-13 05:44:54
5	Martin Wallgren	660	C#	2018-11-28 15:31:30
6	Nathan Andrews	663	C#	2024-09-27 22:17:22
7	Göran Andersson	703	C#	2022-05-13 23:21:45
8	Anthony Ye	778	C#	2024-07-05 20:53:27
9	DARWIN ARBEY PORTILLO RIVERA	906	C#	2024-03-05 04:37:35
10	Kevin Nalli	906	C#	2024-03-05 23:10:21

#	User	Length	Language	Date
1	Tyler Fernando	233	C++	2022-11-03 11:54:00
2	Antonio Molina Lovett	250	C++	2016-08-06 21:34:46
3	Frans Meulenbroeks	261	C++	2024-11-09 17:12:08
4	Filip Ingvarsson	266	C++	2023-10-10 20:09:15
5	Mugeon Kim	267	C++	2024-03-18 08:19:09
6	Lucas Soares	273	C++	2025-03-23 03:06:18
7	Frederick Pek	282	C++	2021-06-13 11:54:38
8	Chase Hinesman	299	C++	2018-01-26 22:14:12
9	Cristobal Brandau	300	C++	2025-08-30 06:34:33
10	Diego	300	C++	2025-08-31 22:37:37

#	User	Length	Language	Date
1	David Cawthon	992	Common Lisp	2019-04-18 01:24:17

#	User	Length	Language	Date
1	Ciarán Ó hAoláin	583	Go	2017-12-09 02:11:03
2	Krzysztof Gibuła	792	Go	2019-03-17 15:58:05
3	Norbert Voelker	893	Go	2021-04-20 14:04:45

#	User	Length	Language	Date
1	Jahid Hasan Imon	127	Haskell	2020-10-01 18:20:58
2	Dario Vidas	132	Haskell	2015-05-15 17:00:02
3	Anthony Clark	145	Haskell	2017-03-03 04:46:34
4	Llaurence Git	160	Haskell	2018-11-07 13:08:08
5	Joakim Blikstad	197	Haskell	2015-05-27 15:14:32
6	Lars Tveito	199	Haskell	2015-07-01 21:44:57
7	Peter Deal	225	Haskell	2016-05-15 05:36:08
8	Conor McGovern	226	Haskell	2018-05-24 01:48:33
9	Aurélien Pepin	233	Haskell	2019-08-11 15:00:20
10	David Wärn	240	Haskell	2015-05-26 13:09:47

#	User	Length	Language	Date
1	Kevin Kauffman	471	Java	2021-12-30 00:52:55
2	Mitch Price	479	Java	2016-10-09 21:50:52
3	Hidden user	490	Java	2018-02-01 05:51:12
4	Erik Baalhuis	493	Java	2016-08-03 17:59:06
5	Jordan Lamkin	504	Java	2017-01-27 23:46:17
6	Oscar Wu	520	Java	2018-02-01 08:37:29
7	Colleen TenHave	525	Java	2018-01-31 18:52:59
8	Yufeng Zhu	525	Java	2018-02-01 06:03:07
9	Hidden user	527	Java	2018-01-31 19:19:42
10	Jason Liu	533	Java	2023-08-29 16:05:58

#	User	Length	Language	Date
1	Gurpartap Singh Bhatti	558	JavaScript (Node.js)	2019-03-01 18:23:12
2	Howard Tin Chi Chan	558	JavaScript (Node.js)	2021-02-20 01:17:00
3	Chris Wong	687	JavaScript (Node.js)	2021-02-23 19:07:20
4	Hidden user	689	JavaScript (Node.js)	2023-09-01 19:23:20
5	Khin Nyunt	724	JavaScript (Node.js)	2021-09-26 16:55:49
6	John	870	JavaScript (Node.js)	2022-08-17 07:50:19
7	Sander Hellesø	1052	JavaScript (Node.js)	2019-04-16 06:28:55
8	Niamh Limerick	1055	JavaScript (Node.js)	2022-02-16 14:43:37
9	Andoko Chandra	1113	JavaScript (Node.js)	2020-10-10 17:29:40

#	User	Length	Language	Date
1	Jimmy Gustafsson	145	JavaScript (SpiderMonkey)	2024-07-09 23:00:32
2	Peter Menyes	310	JavaScript (SpiderMonkey)	2021-08-29 17:31:21
3	Christian Pilegaard Cederquist	311	JavaScript (SpiderMonkey)	2023-01-12 15:57:03
4	Zach Tschetter	384	JavaScript (SpiderMonkey)	2023-06-02 04:23:10
5	Michael Laszlo	448	JavaScript (SpiderMonkey)	2016-09-29 05:21:16
6	Spencer Smith	474	JavaScript (SpiderMonkey)	2017-06-03 06:54:24
7	Hidden user	514	JavaScript (SpiderMonkey)	2017-06-06 03:58:56
8	Andrea Bianchessi	539	JavaScript (SpiderMonkey)	2017-10-27 18:21:24
9	Peter Kedemo	577	JavaScript (SpiderMonkey)	2015-12-25 23:09:26
10	Alhasan Ahmed Abd	626	JavaScript (SpiderMonkey)	2018-04-24 03:47:03

#	User	Length	Language	Date
1	Danny Robinson	94	Julia	2023-06-22 01:30:29
2	Hidden user	302	Julia	2025-02-26 07:59:53
3	Timothy Gaede	1047	Julia	2024-03-27 07:50:51

#	User	Length	Language	Date
1	Hidden user	407	Kotlin	2017-11-12 00:30:48
2	Adam Koprowski	409	Kotlin	2020-08-30 22:32:48
3	Chris Johnson	417	Kotlin	2024-10-04 22:27:18
4	Mike Menendez	449	Kotlin	2019-04-25 10:42:19
5	Adam Rankin	451	Kotlin	2023-05-09 00:34:48
6	Troy Warmboe	459	Kotlin	2020-02-10 23:45:42
7	Matthias Nielsen	472	Kotlin	2025-11-14 16:27:02
8	Phường Lên	473	Kotlin	2020-04-14 19:49:23
9	Einar Kjellback	482	Kotlin	2019-12-03 23:51:49
10	Dayan Ruben Gonzalez	488	Kotlin	2020-09-30 17:26:12

#	User	Length	Language	Date
1	Caleb Austin	646	Lua	2024-09-27 22:09:25

#	User	Length	Language	Date
1	Alfredo Beaumont	707	Odin	2024-01-28 11:43:34
2	Junyu Zhan	1060	Odin	2026-01-21 10:09:24

#	User	Length	Language	Date
1	Ingemar Ragnemalm	4009	Pascal	2018-09-15 12:58:56

#	User	Length	Language	Date
1	Silvena Lam	505	PHP	2018-03-01 10:51:29
2	Renate Fiala-Lundström	554	PHP	2023-07-20 23:59:10

#	User	Length	Language	Date
1	Hakan Kjellerstrand	273	Prolog	2023-02-12 16:40:53

#	User	Length	Language	Date
1	KALAJAYANTHI M	104	Python 2	2025-10-10 16:01:22
2	Thomas Feld	148	Python 2	2019-08-19 16:02:32
3	Andreas Eisele	150	Python 2	2018-09-21 11:28:42
4	João Pedro Alvito	175	Python 2	2018-03-30 19:36:03
5	Nathan Villanueva	185	Python 2	2017-01-27 23:39:10
6	Neal Zane	189	Python 2	2016-01-14 16:43:03
7	Cole Bite	198	Python 2	2017-03-22 00:36:26
8	Paulo Bu	217	Python 2	2015-03-21 21:04:01
9	Arne Tobias Malkenes Ødegaard	217	Python 2	2015-12-05 15:35:44
10	Erik Odenman	224	Python 2	2015-05-21 02:46:41

#	User	Length	Language	Date
1	Avery	88	Python 3	2025-08-08 23:34:37
2	Clement Oh	93	Python 3	2023-05-25 15:47:17
3	Thomas Draper	101	Python 3	2023-06-25 01:22:13
4	Hidden user	107	Python 3	2025-09-27 13:41:49
5	Guk Yi Siong	110	Python 3	2023-08-01 07:29:52
6	Jun Yan	111	Python 3	2024-08-03 07:36:22
7	Troels Bjerre Lund	113	Python 3	2021-04-07 19:23:46
8	Brandon Zhang	123	Python 3	2022-05-12 09:59:53
9	Gustav Elmqvist	125	Python 3	2023-02-13 00:03:16
10	Michael Wong	129	Python 3	2018-08-14 03:06:06

#	User	Length	Language	Date
1	Thomas Feld	50	Ruby	2022-11-16 10:54:29
2	Clement Oh	55	Ruby	2023-10-30 16:52:40
3	Régis Hanol	62	Ruby	2022-01-08 14:53:51
4	Gerry Hall	138	Ruby	2016-03-16 07:52:19
5	Eugen Neagoe	165	Ruby	2023-06-30 16:44:42
6	Emil Kneutgen	202	Ruby	2022-02-21 20:59:38
7	Hidden user	209	Ruby	2022-02-20 15:53:50
8	Paul Vinell	222	Ruby	2018-05-04 14:33:06
9	Casper Christensen	237	Ruby	2016-02-04 13:25:14
10	Macdara mac an tSionnaigh	249	Ruby	2019-10-05 19:51:58

#	User	Length	Language	Date
1	Vincent Lagerros	476	Rust	2025-01-26 17:59:23
2	Emil Dichmann	602	Rust	2025-09-19 16:08:52
3	Hidden user	617	Rust	2025-03-13 14:05:02
4	Bas Dirks	679	Rust	2022-01-03 21:33:48
5	Pankajkumar Patro	757	Rust	2024-11-04 21:04:32
6	David Rasch	784	Rust	2022-09-22 11:34:53
7	Isak Jägberg	1078	Rust	2019-05-05 22:26:39
8	Eric Pinter	1110	Rust	2021-10-29 03:32:55
9	Joe Blower	1661	Rust	2025-07-28 02:38:36
10	Pahlevi Fikri Auliya	1978	Rust	2020-11-04 03:55:23

Solution running time distribution