Problem I
Ragged Right — Problem Statistics

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Submissions	5890
Accepted submissions	2886
Submission ratio	49.00%
Authors	2816
Full solves [?]	2601
Full solve Ratio	92.37%

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-11-25 08:22:14
2	Chenzhang Hu	0.07 s	Bash	2023-12-18 15:19:36

#	User	Runtime	Language	Date
1	masosz	0.02 s	C#	2015-02-12 19:51:02
2	Niklas Huss	0.02 s	C#	2015-07-11 10:21:49
3	Mads Storm Hansen	0.02 s	C#	2015-07-17 21:38:42
4	Bas te Kolste	0.02 s	C#	2015-07-22 16:33:26
5	Jens Mossig	0.02 s	C#	2015-08-12 08:30:41
6	Jonas S	0.02 s	C#	2015-08-25 16:59:46
7	Piotr Karpala	0.02 s	C#	2015-09-06 20:45:59
8	Udgin Pyl	0.02 s	C#	2015-09-22 20:37:15
9	Dirk van Eeden	0.02 s	C#	2015-11-15 01:47:39
10	Alexander Eriksson	0.02 s	C#	2016-01-28 20:39:42

#	User	Runtime	Language	Date
1	David Cawthon	0.02 s	Common Lisp	2019-05-12 16:33:16

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2022-09-14 19:35:30

#	User	Runtime	Language	Date
1	Thomas	0.00 s	Go	2024-01-11 04:24:08
2	Krzysztof Gibuła	0.07 s	Go	2019-03-14 21:09:28
3	Theo Coyne Morgan	0.07 s	Go	2019-03-27 02:12:21
4	Norbert Voelker	0.08 s	Go	2021-04-29 19:26:44

#	User	Runtime	Language	Date
1	Farshad Islam	0.04 s	Java	2024-10-11 17:16:24
2	Taras Romanyuk	0.04 s	Java	2024-10-15 23:48:20
3	Hidden user	0.04 s	Java	2025-03-09 18:57:03
4	Tommy Maglietto	0.04 s	Java	2025-04-03 20:44:54
5	Alexander Matheson	0.04 s	Java	2025-09-24 00:26:45
6	Amy Colpitts	0.04 s	Java	2025-09-24 00:36:12
7	Nathan Oakey	0.04 s	Java	2025-09-24 00:37:44
8	Luis Varona	0.04 s	Java	2025-09-24 00:46:15
9	Derin Önder Eren	0.04 s	Java	2025-09-24 01:19:47
10	Issa Issack	0.04 s	Java	2025-09-24 02:48:07

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	JavaScript (Node.js)	2024-10-09 05:01:38
2	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-04-16 03:49:59
3	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-18 09:16:14
4	Chris Wong	0.42 s	JavaScript (Node.js)	2021-03-17 02:32:59
5	Khin Nyunt	0.42 s	JavaScript (Node.js)	2021-11-28 14:47:40
6	Niamh Limerick	0.42 s	JavaScript (Node.js)	2022-02-14 10:22:22

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2015-12-18 21:17:32
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-01-23 00:04:19
3	Tim Oram	0.01 s	JavaScript (SpiderMonkey)	2016-03-28 01:22:33
4	Johannes Jensen	0.01 s	JavaScript (SpiderMonkey)	2016-03-31 20:15:28
5	Tor Nordqvist	0.01 s	JavaScript (SpiderMonkey)	2016-10-25 18:24:13
6	Peter Menyes	0.01 s	JavaScript (SpiderMonkey)	2017-08-16 13:55:02
7	Nicklas Utgaard	0.01 s	JavaScript (SpiderMonkey)	2018-06-26 20:25:20
8	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-16 23:15:39
9	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-07-19 22:23:45

#	User	Runtime	Language	Date
1	Timothy Gaede	0.52 s	Julia	2024-04-11 00:15:57

#	User	Runtime	Language	Date
1	Jacob Huebner	0.12 s	Kotlin	2021-10-26 00:56:18
2	Gaurav Tyagi	0.15 s	Kotlin	2018-09-10 00:02:48
3	Neil Harmon	0.15 s	Kotlin	2019-05-14 14:16:17
4	Dayan Ruben Gonzalez	0.16 s	Kotlin	2020-09-28 16:46:23
5	Ryan Lu	0.18 s	Kotlin	2021-10-31 03:25:04
6	Mohsen Dehbashi	0.19 s	Kotlin	2021-07-10 06:46:13
7	Troy Warmboe	0.19 s	Kotlin	2023-04-12 03:34:35
8	Adam Rankin	0.19 s	Kotlin	2023-04-21 23:59:01
9	Dmitry Shostak	0.20 s	Kotlin	2019-08-28 19:31:33
10	Zaw Myat	0.20 s	Kotlin	2024-01-15 16:10:01

#	User	Runtime	Language	Date
1	Danny Robinson	0.00 s	Lua	2023-11-25 08:15:14

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-09-10 18:42:35

#	User	Runtime	Language	Date
1	Martin Dibakar Björling	0.01 s	PHP	2015-11-25 01:46:43
2	Adam Neale	0.01 s	PHP	2016-01-24 17:25:09
3	Silvena Lam	0.01 s	PHP	2016-02-11 09:36:16
4	Steven D. Wilson	0.01 s	PHP	2016-03-27 19:51:31

#	User	Runtime	Language	Date
1	Jonas Kylling	0.02 s	Python 2	2014-12-14 20:15:08
2	Daniel Palmqvist	0.02 s	Python 2	2015-01-17 16:27:04
3	Paulo Bu	0.02 s	Python 2	2015-02-08 00:40:13
4	Hidden user	0.02 s	Python 2	2015-02-27 17:09:32
5	Christofer Ohlsson	0.02 s	Python 2	2015-03-27 19:27:37
6	Erik Odenman	0.02 s	Python 2	2015-05-12 23:11:38
7	Carl Martin Rosenberg	0.02 s	Python 2	2015-06-24 11:51:37
8	Fredrik Carlsen	0.02 s	Python 2	2015-07-18 23:17:49
9	Davíð Guðni Halldórsson	0.02 s	Python 2	2015-07-22 15:48:33
10	Nik Lampe	0.02 s	Python 2	2015-08-19 22:58:44

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Python 3	2014-11-26 16:09:34
2	Martin Stensgård	0.02 s	Python 3	2015-03-22 03:01:28
3	James Elías Sigurðarson	0.02 s	Python 3	2015-05-31 21:48:49
4	Johannes Agestam	0.02 s	Python 3	2015-06-15 13:10:52
5	Fredrik Carlsen	0.02 s	Python 3	2015-07-18 23:18:04
6	Arnar Leifsson	0.02 s	Python 3	2015-07-22 15:29:47
7	Baldur Tryggvason	0.02 s	Python 3	2015-07-31 20:26:43
8	Eva Debenjak	0.02 s	Python 3	2015-08-25 15:36:44
9	Alex Loiko	0.02 s	Python 3	2015-09-04 21:41:31
10	Ziga Staresinic	0.02 s	Python 3	2015-09-09 15:19:31

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-01-11 23:34:54
2	Gerry Hall	0.03 s	Ruby	2016-03-25 07:32:17
3	Lasse Berglund	0.03 s	Ruby	2016-03-30 16:35:17
4	Erik Rydbert	0.03 s	Ruby	2016-07-15 09:02:04
5	Kellen Watt	0.03 s	Ruby	2016-10-17 22:34:16
6	Savvas Alexandrou	0.04 s	Ruby	2019-01-18 17:06:26
7	Hidden user	0.04 s	Ruby	2019-03-04 14:44:52
8	Kok Dith	0.05 s	Ruby	2021-08-19 12:23:30
9	Thomas Feld	0.06 s	Ruby	2023-03-28 12:33:07
10	Chenzhang Hu	0.07 s	Ruby	2024-05-28 17:58:28

#	User	Length	Language	Date
1	Chenzhang Hu	53	Bash	2025-09-13 02:26:05
2	Danny Robinson	75	Bash	2023-11-25 08:22:14

#	User	Length	Language	Date
1	Thibault Raffaillac	359	C	2017-02-27 18:18:34
2	winnie the pooh	369	C	2021-06-19 10:02:57
3	Stiff	385	C	2021-06-24 13:30:49
4	Hidden user	389	C	2018-11-28 10:56:30
5	度雨	421	C	2025-06-12 15:30:09
6	Hidden user	432	C	2015-11-25 00:30:56
7	Mikael K Eriksson	444	C	2021-03-20 10:58:12
8	Matthew Weston	444	C	2022-03-07 16:12:22
9	Raymond Yang	451	C	2021-06-25 22:48:17
10	Olle Eriksson	453	C	2016-11-13 21:10:11

#	User	Length	Language	Date
1	Göran Andersson	450	C#	2022-05-15 00:25:13
2	Marek Bina	454	C#	2019-02-20 09:31:15
3	Kunwei Zhang	489	C#	2018-06-15 15:27:07
4	Doug Goodman	544	C#	2018-04-20 23:13:08
5	Michael Damsgaard	554	C#	2025-01-04 09:49:35
6	Robert Low	598	C#	2016-07-16 12:17:50
7	Niklas Huss	642	C#	2015-07-11 10:21:49
8	Hidden user	680	C#	2017-09-08 03:31:14
9	Klas af Geijerstam	692	C#	2017-04-17 23:31:54
10	Yuwono Bangun Nagoro	706	C#	2020-10-28 10:32:41

#	User	Length	Language	Date
1	Frans Meulenbroeks	192	C++	2024-11-24 15:51:35
2	Tyler Fernando	204	C++	2022-11-14 04:26:34
3	Abdul Malik Nurrokhman	253	C++	2017-11-15 11:38:58
4	Antonio Molina Lovett	264	C++	2016-08-06 05:18:05
5	Budi Arbenta	274	C++	2017-01-20 02:52:13
6	謝昀廷	278	C++	2022-02-08 16:29:28
7	刀影雷文	288	C++	2025-06-17 15:14:03
8	塵星	288	C++	2025-07-31 09:16:27
9	Đậu Huy Minh	289	C++	2023-11-04 07:58:46
10	Dusty_onion	291	C++	2025-08-07 16:04:54

#	User	Length	Language	Date
1	David Cawthon	503	Common Lisp	2019-05-12 16:33:16

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	662	F#	2022-09-14 19:35:30

#	User	Length	Language	Date
1	Theo Coyne Morgan	396	Go	2019-03-27 02:12:21
2	Krzysztof Gibuła	468	Go	2019-03-14 21:09:28
3	Thomas	871	Go	2024-01-11 04:24:08
4	Norbert Voelker	1075	Go	2021-04-29 19:26:44

#	User	Length	Language	Date
1	Peter Deal	161	Haskell	2016-05-13 04:49:57
2	Carl Agrell	168	Haskell	2016-10-04 16:54:51
3	Markus Läll	181	Haskell	2015-02-22 14:51:42
4	César Antonio Carvajal de la Haza	191	Haskell	2017-04-09 16:22:30
5	Carl Westerlund	196	Haskell	2017-08-30 17:52:50
6	Hidden user	206	Haskell	2017-08-22 22:30:00
7	Matthew Johnson	224	Haskell	2017-02-01 03:01:09
8	Håkon Flatval	225	Haskell	2018-08-16 21:45:41
9	Qi Ji	232	Haskell	2018-06-26 05:47:30
10	Hidden user	240	Haskell	2019-08-28 13:46:41

#	User	Length	Language	Date
1	Udit Sanghi	424	Java	2021-07-18 09:03:28
2	Shang-En Huang	435	Java	2022-09-26 04:52:09
3	Mitch Price	441	Java	2016-09-18 21:44:51
4	Drew Hoover	465	Java	2015-09-20 19:14:35
5	Sarah Chen Si-En	469	Java	2020-02-03 08:06:15
6	Hidden user	470	Java	2019-09-08 15:33:26
7	Davin Choo	476	Java	2016-01-03 05:02:36
8	Hayley Russell	477	Java	2018-04-28 23:00:28
9	Paul Boddington	486	Java	2016-04-20 19:47:54
10	Prakash Sanyasi	494	Java	2017-04-06 11:01:07

#	User	Length	Language	Date
1	Hidden user	423	JavaScript (Node.js)	2024-10-09 05:01:38
2	Chris Wong	484	JavaScript (Node.js)	2021-03-17 02:32:59
3	Khin Nyunt	709	JavaScript (Node.js)	2021-11-28 14:47:40
4	Niamh Limerick	792	JavaScript (Node.js)	2022-02-14 10:22:22
5	Sander Hellesø	860	JavaScript (Node.js)	2019-04-16 03:49:59
6	Andoko Chandra	1108	JavaScript (Node.js)	2020-10-18 09:16:14

#	User	Length	Language	Date
1	Jimmy Gustafsson	110	JavaScript (SpiderMonkey)	2024-07-19 22:23:45
2	Christian Pilegaard Cederquist	218	JavaScript (SpiderMonkey)	2023-01-16 23:15:39
3	Peter Kedemo	273	JavaScript (SpiderMonkey)	2015-12-18 21:17:32
4	Tor Nordqvist	305	JavaScript (SpiderMonkey)	2016-10-25 18:24:13
5	Peter Menyes	310	JavaScript (SpiderMonkey)	2017-08-16 13:55:02
6	Johannes Jensen	316	JavaScript (SpiderMonkey)	2016-03-31 20:15:28
7	Bjørn Chr. Soltvedt	347	JavaScript (SpiderMonkey)	2016-01-23 00:04:19
8	Tim Oram	483	JavaScript (SpiderMonkey)	2016-03-28 01:22:33
9	Nicklas Utgaard	634	JavaScript (SpiderMonkey)	2018-06-26 20:25:20

#	User	Length	Language	Date
1	Timothy Gaede	190	Julia	2024-04-11 00:15:57

#	User	Length	Language	Date
1	Mohsen Dehbashi	251	Kotlin	2021-07-10 06:46:13
2	Dmitry Shostak	280	Kotlin	2019-08-28 19:31:33
3	Adam Rankin	300	Kotlin	2023-04-21 23:59:01
4	Dayan Ruben Gonzalez	322	Kotlin	2020-09-28 16:46:23
5	Emil Wihlander	337	Kotlin	2024-07-23 23:47:48
6	Troy Warmboe	368	Kotlin	2023-04-12 03:34:35
7	Einar Kjellback	452	Kotlin	2019-12-16 11:06:57
8	Jacob Huebner	472	Kotlin	2021-10-26 00:56:18
9	Gaurav Tyagi	575	Kotlin	2018-09-10 00:02:48
10	Zaw Myat	598	Kotlin	2024-01-15 16:10:01

#	User	Length	Language	Date
1	Danny Robinson	116	Lua	2023-11-25 08:15:14

#	User	Length	Language	Date
1	Ingemar Ragnemalm	416	Pascal	2017-09-10 18:42:35

#	User	Length	Language	Date
1	Steven D. Wilson	331	PHP	2016-03-27 19:51:31
2	Adam Neale	362	PHP	2016-01-24 17:25:09
3	Silvena Lam	427	PHP	2016-02-11 09:36:16
4	Martin Dibakar Björling	725	PHP	2015-11-25 01:46:43

#	User	Length	Language	Date
1	Thomas Feld	93	Python 2	2019-08-20 10:15:56
2	João Pedro Alvito	100	Python 2	2018-03-30 16:32:46
3	Matteo Piano	120	Python 2	2016-12-21 17:17:57
4	Haggai Liu	122	Python 2	2017-01-10 08:27:40
5	Tore Norderud	124	Python 2	2015-08-31 18:30:28
6	Hidden user	125	Python 2	2015-02-27 17:09:32
7	Jonas Kylling	129	Python 2	2014-12-14 20:15:08
8	Asger Hautop Drewsen	134	Python 2	2015-11-03 21:36:21
9	Eoin Davey	135	Python 2	2017-09-20 16:31:28
10	Peter Beattie	143	Python 2	2017-12-10 12:27:52

#	User	Length	Language	Date
1	Clement Oh	61	Python 3	2023-05-20 14:32:26
2	Guk Yi Siong	63	Python 3	2025-05-05 08:40:01
3	Benjamin Z White	78	Python 3	2023-04-22 17:24:50
4	Tai Tze Kin	80	Python 3	2024-05-02 23:06:45
5	Rasmus Hulthe	80	Python 3	2025-09-15 20:03:39
6	David Worley	86	Python 3	2025-11-27 16:57:03
7	Timothy Baeckelant	89	Python 3	2024-05-26 03:44:29
8	Evan Rose	93	Python 3	2023-04-04 20:54:20
9	Hidden user	98	Python 3	2023-04-16 12:34:48
10	Hidden user	100	Python 3	2025-11-28 12:46:16

#	User	Length	Language	Date
1	Thomas Feld	44	Ruby	2023-03-28 12:33:25
2	Chenzhang Hu	44	Ruby	2024-05-28 18:02:31
3	Gerry Hall	126	Ruby	2016-03-25 07:32:17
4	Kok Dith	132	Ruby	2021-08-19 12:23:30
5	Casper Christensen	160	Ruby	2016-01-11 23:41:59
6	Lasse Berglund	163	Ruby	2016-03-30 16:35:17
7	Hidden user	171	Ruby	2019-03-04 14:44:52
8	Kellen Watt	182	Ruby	2016-10-17 22:34:16
9	Erik Rydbert	227	Ruby	2016-07-15 09:02:04
10	Savvas Alexandrou	304	Ruby	2019-01-18 17:06:26

#	User	Length	Language	Date
1	Emil Dichmann	272	Rust	2025-10-04 14:32:52
2	Vincent Lagerros	302	Rust	2025-03-11 22:05:45
3	Pankajkumar Patro	373	Rust	2024-10-16 22:35:31
4	David Rasch	429	Rust	2021-03-17 10:51:38
5	Bas Dirks	454	Rust	2022-01-05 07:52:06
6	Chris Seager	569	Rust	2025-04-10 00:30:33
7	Isak Jägberg	626	Rust	2019-08-24 13:09:23
8	Eric Pinter	961	Rust	2021-11-16 03:50:16
9	Joe Blower	1935	Rust	2025-09-19 04:02:21
10	Jonathan	2495	Rust	2021-09-13 17:19:23

Solution running time distribution