Problem A
Compound Words — Problem Statistics

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Submissions	7844
Accepted submissions	4513
Submission ratio	57.53%
Authors	4076
Full solves [?]	3831
Full solve Ratio	93.99%

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-09-12 14:17:09
2	Chenzhang Hu	0.02 s	Bash	2025-09-12 19:42:07

#	User	Runtime	Language	Date
1	Niklas Huss	0.02 s	C#	2015-08-17 18:21:44
2	Jonas S	0.02 s	C#	2015-08-23 15:21:47
3	Yuwono Bangun Nagoro	0.02 s	C#	2016-01-11 18:33:46
4	Hidden user	0.02 s	C#	2016-02-11 09:29:16
5	Khin Nyunt	0.02 s	C#	2016-04-13 03:44:54
6	Raja Sanjeev Kumar Nakka	0.02 s	C#	2016-04-29 19:02:26
7	Robert Low	0.02 s	C#	2016-07-17 08:32:50
8	Ugnius Skučas	0.02 s	C#	2016-10-18 08:46:15
9	Ludwig Hedeby	0.02 s	C#	2016-10-26 20:33:10
10	Duelene Olson	0.02 s	C#	2016-11-20 00:37:50

#	User	Runtime	Language	Date
1	David Cawthon	0.02 s	Common Lisp	2019-04-17 23:24:17

#	User	Runtime	Language	Date
1	Krzysztof Gibuła	0.01 s	Go	2019-03-17 14:58:05
2	Norbert Voelker	0.02 s	Go	2021-04-20 12:04:45
3	Ciarán Ó hAoláin	0.08 s	Go	2017-12-09 01:11:03

#	User	Runtime	Language	Date
1	Axel Nilsson	0.04 s	Java	2024-08-23 09:25:46
2	Dennis Ang	0.05 s	Java	2015-09-24 01:29:30
3	Michael Sullivan	0.05 s	Java	2016-01-02 04:12:06
4	Love Engman	0.05 s	Java	2016-06-27 13:37:10
5	Finn Lidbetter	0.05 s	Java	2016-07-03 19:12:21
6	Martijn Muijsers	0.05 s	Java	2016-09-25 21:22:44
7	Marco Troltsch	0.05 s	Java	2016-11-09 18:59:56
8	Ron Sprenkels	0.05 s	Java	2017-02-12 21:06:12
9	Alan Evans	0.05 s	Java	2017-03-04 14:37:23
10	Micke Söderqvist	0.05 s	Java	2017-12-18 15:48:53

#	User	Runtime	Language	Date
1	Gurpartap Singh Bhatti	0.05 s	JavaScript (Node.js)	2019-03-01 17:23:12
2	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-04-16 04:28:55
3	Hidden user	0.05 s	JavaScript (Node.js)	2024-07-06 05:18:22
4	John	0.08 s	JavaScript (Node.js)	2022-08-17 05:50:19
5	Chris Wong	0.41 s	JavaScript (Node.js)	2021-02-23 18:07:20
6	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-10 15:29:40
7	Howard Tin Chi Chan	0.42 s	JavaScript (Node.js)	2021-02-20 00:17:00
8	Khin Nyunt	0.42 s	JavaScript (Node.js)	2021-09-26 14:55:49
9	Niamh Limerick	0.42 s	JavaScript (Node.js)	2022-02-16 13:43:37

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

#	User	Runtime	Language	Date
1	Hidden user	0.56 s	Julia	2025-02-26 06:59:53
2	Danny Robinson	0.65 s	Julia	2023-06-21 22:07:02
3	Timothy Gaede	0.68 s	Julia	2024-03-27 06:50:51

#	User	Runtime	Language	Date
1	Johnny Baloney	0.14 s	Kotlin	2022-01-20 20:49:39
2	Neil Harmon	0.17 s	Kotlin	2019-04-12 07:46:46
3	Dayan Ruben Gonzalez	0.17 s	Kotlin	2020-09-30 15:26:12
4	Hidden user	0.18 s	Kotlin	2017-11-11 23:30:48
5	Adam Koprowski	0.20 s	Kotlin	2020-08-30 20:32:48
6	Adam Rankin	0.20 s	Kotlin	2023-05-08 22:34:48
7	Nick Ivanov	0.21 s	Kotlin	2018-03-07 04:44:15
8	Mike Menendez	0.21 s	Kotlin	2019-04-25 08:40:25
9	Dmitry Shostak	0.21 s	Kotlin	2019-08-18 16:35:17
10	Einar Kjellback	0.23 s	Kotlin	2019-12-03 22:51:49

#	User	Runtime	Language	Date
1	Caleb Austin	0.00 s	Lua	2024-09-27 20:09:25

#	User	Runtime	Language	Date
1	Alfredo Beaumont	0.00 s	Odin	2024-01-28 10:43:34

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-09-15 10:58:56

#	User	Runtime	Language	Date
1	Silvena Lam	0.01 s	PHP	2018-03-01 09:45:30
2	Renate	0.01 s	PHP	2023-07-20 21:59:10

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-12 15:40:53

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.02 s	Python 2	2015-04-29 13:59:26
2	Magnús Þór Benediktsson	0.02 s	Python 2	2015-05-16 09:09:07
3	Erik Odenman	0.02 s	Python 2	2015-05-21 00:46:41
4	Quan Huynh	0.02 s	Python 2	2015-09-12 06:08:52
5	Johan Wind	0.02 s	Python 2	2015-09-14 15:03:28
6	Tore Norderud	0.02 s	Python 2	2015-09-19 11:08:34
7	Arne Tobias Malkenes Ødegaard	0.02 s	Python 2	2015-12-05 14:35:44
8	Neal Zane	0.02 s	Python 2	2016-01-14 15:43:03
9	Asger Hautop Drewsen	0.02 s	Python 2	2016-01-27 22:02:48
10	Urban Pettersson	0.02 s	Python 2	2016-02-03 19:01:50

#	User	Runtime	Language	Date
1	James Elías Sigurðarson	0.02 s	Python 3	2015-06-03 14:39:04
2	Johannes Agestam	0.02 s	Python 3	2015-06-24 22:24:46
3	Petra Marc	0.02 s	Python 3	2015-09-15 12:24:23
4	Emil Riis Hansen	0.02 s	Python 3	2015-11-01 10:54:40
5	Tammo Behrends	0.02 s	Python 3	2015-11-30 13:01:26
6	Hidden user	0.02 s	Python 3	2016-01-14 15:12:15
7	Wayne	0.02 s	Python 3	2016-01-27 09:14:59
8	Hidden user	0.02 s	Python 3	2016-03-19 18:30:58
9	Thais Minet	0.02 s	Python 3	2016-03-21 23:35:31
10	Aleksei Kashuba	0.02 s	Python 3	2016-03-23 01:33:55

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-02-04 12:25:14
2	Gerry Hall	0.03 s	Ruby	2016-03-16 06:52:19
3	Lasse Berglund	0.03 s	Ruby	2016-04-07 13:48:50
4	Paul Vinell	0.04 s	Ruby	2018-05-04 12:33:06
5	Macdara mac an tSionnaigh	0.04 s	Ruby	2019-10-05 17:51:58
6	Lim Ming Yean	0.05 s	Ruby	2018-12-01 13:05:42
7	Kok Dith	0.05 s	Ruby	2021-08-18 03:21:37
8	Régis Hanol	0.05 s	Ruby	2022-01-08 13:53:51
9	Hidden user	0.05 s	Ruby	2022-02-20 14:53:50
10	Emil Kneutgen	0.05 s	Ruby	2022-02-21 19:59:38

#	User	Length	Language	Date
1	Chenzhang Hu	56	Bash	2025-09-12 19:42:07
2	Danny Robinson	76	Bash	2023-09-12 14:17:09

#	User	Length	Language	Date
1	Martin Blom	363	C	2024-01-31 08:35:51
2	Julian Duniec	771	C	2023-09-18 11:26:31
3	Mirel Cosulschi	838	C	2022-12-17 21:42:41
4	a_b__c	935	C	2021-02-08 11:19:49
5	Matthew Weston	976	C	2022-01-15 15:46:05
6	Jeviczki Jane	1178	C	2025-11-16 22:40:36
7	Sami Al Chalati	1224	C	2024-10-27 21:35:58
8	Thomas	1294	C	2018-10-07 13:41:37
9	Darren lionardo	1297	C	2021-08-01 16:24:11
10	Isaac Pashenkov	1457	C	2020-11-18 02:38:42

#	User	Length	Language	Date
1	李陆屿	556	C#	2019-05-14 12:28:57
2	Kunwei Zhang	601	C#	2018-02-15 03:31:49
3	Esty Crow	615	C#	2024-07-05 10:01:32
4	Khin Nyunt	620	C#	2016-04-13 03:44:54
5	Martin Wallgren	660	C#	2018-11-28 14:31:30
6	Nathan Andrews	663	C#	2024-09-27 20:17:22
7	Göran Andersson	703	C#	2022-05-13 21:21:45
8	Anthony Ye	778	C#	2024-07-05 18:53:27
9	DARWIN ARBEY PORTILLO RIVERA	906	C#	2024-03-05 03:37:35
10	Kevin Nalli	906	C#	2024-03-05 22:10:21

#	User	Length	Language	Date
1	Tyler Fernando	233	C++	2022-11-03 10:54:00
2	Antonio Molina Lovett	250	C++	2016-08-06 19:34:46
3	Frans Meulenbroeks	261	C++	2024-11-09 16:12:08
4	Filip Ingvarsson	266	C++	2023-10-10 18:09:15
5	Mugeon Kim	267	C++	2024-03-18 07:19:09
6	Lucas Soares	273	C++	2025-03-23 02:06:18
7	Frederick Pek	282	C++	2021-06-13 09:54:38
8	Chase Hinesman	299	C++	2018-01-26 21:14:12
9	Cristobal Brandau	300	C++	2025-08-30 04:34:33
10	Diego	300	C++	2025-08-31 20:37:37

#	User	Length	Language	Date
1	David Cawthon	992	Common Lisp	2019-04-17 23:24:17

#	User	Length	Language	Date
1	Ciarán Ó hAoláin	583	Go	2017-12-09 01:11:03
2	Krzysztof Gibuła	792	Go	2019-03-17 14:58:05
3	Norbert Voelker	893	Go	2021-04-20 12:04:45

#	User	Length	Language	Date
1	Jahid Hasan Imon	127	Haskell	2020-10-01 16:20:58
2	Dario Vidas	132	Haskell	2015-05-15 15:00:02
3	Anthony Clark	145	Haskell	2017-03-03 03:46:34
4	Llaurence Git	160	Haskell	2018-11-07 12:08:08
5	Joakim Blikstad	197	Haskell	2015-05-27 13:14:32
6	Lars Tveito	199	Haskell	2015-07-01 19:44:57
7	Peter Deal	225	Haskell	2016-05-15 03:36:08
8	Conor McGovern	226	Haskell	2018-05-23 23:48:33
9	Aurélien Pepin	233	Haskell	2019-08-11 13:00:20
10	David Wärn	240	Haskell	2015-05-26 11:09:47

#	User	Length	Language	Date
1	Kevin Kauffman	471	Java	2021-12-29 23:52:55
2	Mitch Price	479	Java	2016-10-09 19:50:52
3	Hidden user	490	Java	2018-02-01 04:51:12
4	Erik Baalhuis	493	Java	2016-08-03 15:59:06
5	Jordan Lamkin	504	Java	2017-01-27 22:46:17
6	Oscar Wu	520	Java	2018-02-01 07:37:29
7	Colleen TenHave	525	Java	2018-01-31 17:52:59
8	Yufeng Zhu	525	Java	2018-02-01 05:03:07
9	Hidden user	527	Java	2018-01-31 18:19:42
10	Jason Liu	533	Java	2023-08-29 14:05:58

#	User	Length	Language	Date
1	Gurpartap Singh Bhatti	558	JavaScript (Node.js)	2019-03-01 17:23:12
2	Howard Tin Chi Chan	558	JavaScript (Node.js)	2021-02-20 00:17:00
3	Chris Wong	687	JavaScript (Node.js)	2021-02-23 18:07:20
4	Hidden user	689	JavaScript (Node.js)	2023-09-01 17:23:20
5	Khin Nyunt	724	JavaScript (Node.js)	2021-09-26 14:55:49
6	John	870	JavaScript (Node.js)	2022-08-17 05:50:19
7	Sander Hellesø	1052	JavaScript (Node.js)	2019-04-16 04:28:55
8	Niamh Limerick	1055	JavaScript (Node.js)	2022-02-16 13:43:37
9	Andoko Chandra	1113	JavaScript (Node.js)	2020-10-10 15:29:40

#	User	Length	Language	Date
1	Jimmy Gustafsson	145	JavaScript (SpiderMonkey)	2024-07-09 21:00:32
2	Peter Menyes	310	JavaScript (SpiderMonkey)	2021-08-29 15:31:21
3	Christian Pilegaard Cederquist	311	JavaScript (SpiderMonkey)	2023-01-12 14:57:03
4	Zach Tschetter	384	JavaScript (SpiderMonkey)	2023-06-02 02:23:10
5	Michael Laszlo	448	JavaScript (SpiderMonkey)	2016-09-29 03:21:16
6	Spencer Smith	474	JavaScript (SpiderMonkey)	2017-06-03 04:54:24
7	Hidden user	514	JavaScript (SpiderMonkey)	2017-06-06 01:58:56
8	Andrea Bianchessi	539	JavaScript (SpiderMonkey)	2017-10-27 16:21:24
9	Peter Kedemo	577	JavaScript (SpiderMonkey)	2015-12-25 22:09:26
10	Alhasan Ahmed Abd	626	JavaScript (SpiderMonkey)	2018-04-24 01:47:03

#	User	Length	Language	Date
1	Danny Robinson	94	Julia	2023-06-21 23:30:29
2	Hidden user	302	Julia	2025-02-26 06:59:53
3	Timothy Gaede	1047	Julia	2024-03-27 06:50:51

#	User	Length	Language	Date
1	Hidden user	407	Kotlin	2017-11-11 23:30:48
2	Adam Koprowski	409	Kotlin	2020-08-30 20:32:48
3	Chris Johnson	417	Kotlin	2024-10-04 20:27:18
4	Mike Menendez	449	Kotlin	2019-04-25 08:42:19
5	Adam Rankin	451	Kotlin	2023-05-08 22:34:48
6	Troy Warmboe	459	Kotlin	2020-02-10 22:45:42
7	Matthias Nielsen	472	Kotlin	2025-11-14 15:27:02
8	Phường Lên	473	Kotlin	2020-04-14 17:49:23
9	Einar Kjellback	482	Kotlin	2019-12-03 22:51:49
10	Dayan Ruben Gonzalez	488	Kotlin	2020-09-30 15:26:12

#	User	Length	Language	Date
1	Caleb Austin	646	Lua	2024-09-27 20:09:25

#	User	Length	Language	Date
1	Alfredo Beaumont	707	Odin	2024-01-28 10:43:34

#	User	Length	Language	Date
1	Ingemar Ragnemalm	4009	Pascal	2018-09-15 10:58:56

#	User	Length	Language	Date
1	Silvena Lam	505	PHP	2018-03-01 09:51:29
2	Renate	554	PHP	2023-07-20 21:59:10

#	User	Length	Language	Date
1	Hakan Kjellerstrand	273	Prolog	2023-02-12 15:40:53

#	User	Length	Language	Date
1	KALAJAYANTHI M	104	Python 2	2025-10-10 14:01:22
2	Thomas Feld	148	Python 2	2019-08-19 14:02:32
3	Andreas Eisele	150	Python 2	2018-09-21 09:28:42
4	João Pedro Alvito	175	Python 2	2018-03-30 17:36:03
5	Nathan Villanueva	185	Python 2	2017-01-27 22:39:10
6	Neal Zane	189	Python 2	2016-01-14 15:43:03
7	Cole Bite	198	Python 2	2017-03-21 23:36:26
8	Paulo Bu	217	Python 2	2015-03-21 20:04:01
9	Arne Tobias Malkenes Ødegaard	217	Python 2	2015-12-05 14:35:44
10	Erik Odenman	224	Python 2	2015-05-21 00:46:41

#	User	Length	Language	Date
1	Avery	88	Python 3	2025-08-08 21:34:37
2	Clement Oh	93	Python 3	2023-05-25 13:47:17
3	Thomas Draper	101	Python 3	2023-06-24 23:22:13
4	Hidden user	107	Python 3	2025-09-27 11:41:49
5	Guk Yi Siong	110	Python 3	2023-08-01 05:29:52
6	Jun Yan	111	Python 3	2024-08-03 05:36:22
7	Troels Bjerre Lund	113	Python 3	2021-04-07 17:23:46
8	Brandon Zhang	123	Python 3	2022-05-12 07:59:53
9	Gustav Elmqvist	125	Python 3	2023-02-12 23:03:16
10	Michael Wong	129	Python 3	2018-08-14 01:06:06

#	User	Length	Language	Date
1	Thomas Feld	50	Ruby	2022-11-16 09:54:29
2	Clement Oh	55	Ruby	2023-10-30 15:52:40
3	Régis Hanol	62	Ruby	2022-01-08 13:53:51
4	Gerry Hall	138	Ruby	2016-03-16 06:52:19
5	Eugen Neagoe	165	Ruby	2023-06-30 14:44:42
6	Emil Kneutgen	202	Ruby	2022-02-21 19:59:38
7	Hidden user	209	Ruby	2022-02-20 14:53:50
8	Paul Vinell	222	Ruby	2018-05-04 12:33:06
9	Casper Christensen	237	Ruby	2016-02-04 12:25:14
10	Macdara mac an tSionnaigh	249	Ruby	2019-10-05 17:51:58

#	User	Length	Language	Date
1	Vincent Lagerros	476	Rust	2025-01-26 16:59:23
2	Emil Dichmann	602	Rust	2025-09-19 14:08:52
3	Hidden user	617	Rust	2025-03-13 13:05:02
4	Bas Dirks	679	Rust	2022-01-03 20:33:48
5	Pankajkumar Patro	757	Rust	2024-11-04 20:04:32
6	David Rasch	784	Rust	2022-09-22 09:34:53
7	Isak Jägberg	1078	Rust	2019-05-05 20:26:39
8	Eric Pinter	1110	Rust	2021-10-29 01:32:55
9	Joe Blower	1661	Rust	2025-07-28 00:38:36
10	Pahlevi Fikri Auliya	1978	Rust	2020-11-04 02:55:23

Solution running time distribution