Problem A
Just a Minute — Problem Statistics

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Submissions	7897
Accepted submissions	3298
Submission ratio	41.76%
Authors	3058
Full solves [?]	2876
Full solve Ratio	94.05%

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-09-26 10:07:22

#	User	Runtime	Language	Date
1	masosz	0.02 s	C#	2015-02-12 19:00:39
2	Mads Storm Hansen	0.02 s	C#	2015-07-17 22:36:16
3	Jonas S	0.02 s	C#	2015-08-20 13:07:10
4	Greg Roderick	0.02 s	C#	2015-09-20 03:22:55
5	Taner Yavuz	0.02 s	C#	2015-09-24 01:09:25
6	Bas te Kolste	0.02 s	C#	2015-10-10 11:28:44
7	Jens Mossig	0.02 s	C#	2015-10-27 13:32:34
8	Mustafa Dinler	0.02 s	C#	2016-07-12 17:24:29
9	Robert Low	0.02 s	C#	2016-07-16 17:07:14
10	Hidden user	0.02 s	C#	2017-02-25 23:14:55

#	User	Runtime	Language	Date
1	Brandon Mitchell	0.00 s	COBOL	2020-04-11 02:16:13

#	User	Runtime	Language	Date
1	David Cawthon	0.02 s	Common Lisp	2019-04-20 18:25:42

#	User	Runtime	Language	Date
1	Mads Jespersen	0.04 s	F#	2020-02-28 00:41:36
2	Patrick Bahr	0.04 s	F#	2021-02-22 23:19:02
3	Jacob Harris Cryer Kragh	0.04 s	F#	2022-07-26 18:44:24

#	User	Runtime	Language	Date
1	Dustin Ward	0.00 s	Go	2023-09-16 05:05:25
2	Hidden user	0.00 s	Go	2025-03-14 17:27:39
3	Nathan Lee	0.00 s	Go	2025-09-17 23:05:58
4	Shruti Patil	0.01 s	Go	2023-07-03 14:56:32
5	Oskar Johanson	0.02 s	Go	2019-10-12 10:10:15
6	Norbert Voelker	0.08 s	Go	2021-04-14 17:00:42
7	test	0.09 s	Go	2021-01-19 12:06:12
8	Jonas Hedin	0.10 s	Go	2015-02-28 20:08:11
9	William Fiset	0.10 s	Go	2016-01-08 00:33:05

#	User	Runtime	Language	Date
1	César Antonio Carvajal de la Haza	0.00 s	Haskell	2017-03-15 12:37:07
2	Hidden user	0.01 s	Haskell	2014-12-22 16:40:26
3	Hidden user	0.01 s	Haskell	2015-01-06 13:19:46
4	Markus Läll	0.01 s	Haskell	2015-02-22 14:38:06
5	Christian Leipe	0.01 s	Haskell	2015-12-04 11:50:14
6	Peter Deal	0.01 s	Haskell	2016-05-14 04:18:18
7	Jan Hlavacek	0.01 s	Haskell	2016-12-14 03:23:25
8	Abel Martin	0.01 s	Haskell	2017-04-06 07:38:07
9	Martin Jackson	0.01 s	Haskell	2017-04-08 23:22:56
10	Hidden user	0.01 s	Haskell	2017-08-18 13:39:34

#	User	Runtime	Language	Date
1	Nina	0.05 s	Java	2024-10-18 01:34:37
2	Dennis Ang	0.06 s	Java	2015-09-23 08:03:32
3	Brandon Morris	0.06 s	Java	2015-10-08 01:59:38
4	Ben Smith	0.06 s	Java	2015-10-08 02:10:55
5	Erich Wu	0.06 s	Java	2015-10-08 03:15:11
6	Martijn Muijsers	0.06 s	Java	2016-09-25 22:40:45
7	Daniel Angulo Sanchez	0.06 s	Java	2016-10-27 04:56:05
8	Marlon Santos Madayag	0.06 s	Java	2017-08-17 13:28:35
9	Steven Cheng	0.06 s	Java	2017-09-03 17:38:52
10	Silvio Sabo	0.06 s	Java	2018-06-06 23:07:48

#	User	Runtime	Language	Date
1	Konstantin Ay	0.05 s	JavaScript (Node.js)	2018-07-05 00:04:06
2	Tyrel Hiebert	0.05 s	JavaScript (Node.js)	2018-10-21 02:50:19
3	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-04-16 08:14:49
4	Theo	0.05 s	JavaScript (Node.js)	2024-01-30 23:55:41
5	Karin Lundqvist	0.05 s	JavaScript (Node.js)	2024-03-16 14:29:24
6	Tony Johansson	0.09 s	JavaScript (Node.js)	2021-10-03 02:57:55
7	Divya Radhakrishnan	0.09 s	JavaScript (Node.js)	2022-01-17 18:41:10
8	Romina Moya	0.09 s	JavaScript (Node.js)	2022-12-12 21:50:55
9	Jonas Pedersen	0.11 s	JavaScript (Node.js)	2019-03-20 13:21:13
10	Roger Norberg	0.40 s	JavaScript (Node.js)	2019-09-13 11:02:57

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-01-04 01:30:53
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-01-28 00:52:38
3	Nicklas Utgaard	0.01 s	JavaScript (SpiderMonkey)	2018-07-03 00:51:23
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-07-27 20:54:29
5	Andrea Bianchessi	0.03 s	JavaScript (SpiderMonkey)	2018-08-21 23:33:19
6	Casey Smith	0.03 s	JavaScript (SpiderMonkey)	2019-05-24 21:45:03
7	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-02-28 20:54:53
8	Astrid Persson	0.03 s	JavaScript (SpiderMonkey)	2021-06-17 16:49:41
9	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-01-11 15:33:27

#	User	Runtime	Language	Date
1	Hidden user	0.35 s	Julia	2025-02-23 21:58:41
2	Timothy Gaede	0.49 s	Julia	2024-04-04 05:56:18
3	Danny Robinson	0.69 s	Julia	2023-09-26 10:08:44

#	User	Runtime	Language	Date
1	Johnny Baloney	0.15 s	Kotlin	2021-12-05 20:51:26
2	Ravisai Tiruvuri	0.18 s	Kotlin	2024-03-26 06:51:09
3	Dayan Ruben Gonzalez	0.20 s	Kotlin	2020-09-28 01:22:25
4	Adam Rankin	0.23 s	Kotlin	2023-04-24 18:54:04
5	James WIlliams	0.24 s	Kotlin	2020-10-19 05:20:32
6	Neil Harmon	0.25 s	Kotlin	2019-04-04 13:51:24
7	Einar Kjellback	0.27 s	Kotlin	2019-11-29 13:32:01
8	Phường Lên	0.27 s	Kotlin	2020-04-14 20:08:58
9	Troy Warmboe	0.28 s	Kotlin	2020-02-10 21:24:15
10	Alexandre Conte	0.28 s	Kotlin	2021-08-23 23:59:14

#	User	Runtime	Language	Date
1	Shehab Ahmed Hatem	0.00 s	Lua	2023-11-14 15:57:15

#	User	Runtime	Language	Date
1	Tazmilur Saad	0.00 s	OCaml	2024-11-02 18:58:17

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-03-02 23:42:20

#	User	Runtime	Language	Date
1	Silvena Lam	0.01 s	PHP	2017-07-06 20:07:52
2	Renate	0.01 s	PHP	2021-07-04 00:59:54
3	Daniel Lind	0.01 s	PHP	2021-07-07 20:56:04
4	Susanne Ragnemalm	0.01 s	PHP	2024-05-13 21:17:26

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2019-08-11 22:35:43
2	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-27 10:47:57

#	User	Runtime	Language	Date
1	Paulo Bu	0.03 s	Python 2	2015-02-12 14:58:06
2	Kristmundur Agust	0.03 s	Python 2	2015-03-05 22:23:20
3	Christofer Ohlsson	0.03 s	Python 2	2015-04-04 22:40:33
4	Quan Huynh	0.03 s	Python 2	2015-09-14 13:41:55
5	Carl Martin Rosenberg	0.03 s	Python 2	2015-09-19 01:33:49
6	Nick Wu	0.03 s	Python 2	2015-10-08 01:38:31
7	Arne Tobias Malkenes Ødegaard	0.03 s	Python 2	2015-10-08 20:53:21
8	Frederik Højholt	0.03 s	Python 2	2015-10-28 20:56:06
9	Izzati Al Vandiar	0.03 s	Python 2	2015-11-14 12:38:50
10	Urban Pettersson	0.03 s	Python 2	2016-01-21 18:36:28

#	User	Runtime	Language	Date
1	David Kostandin	0.02 s	Python 3	2014-09-19 20:17:58
2	Hidden user	0.02 s	Python 3	2014-10-09 13:22:56
3	Martin Stensgård	0.02 s	Python 3	2015-03-16 01:06:25
4	Nils Gustafsson	0.02 s	Python 3	2015-04-09 22:21:48
5	Brian Harrington	0.02 s	Python 3	2015-04-23 04:44:30
6	James Elías Sigurðarson	0.02 s	Python 3	2015-06-02 13:03:24
7	Ivan Payan	0.02 s	Python 3	2015-06-13 17:06:40
8	Johannes Agestam	0.02 s	Python 3	2015-06-17 09:13:50
9	Tamara Zaitseva	0.02 s	Python 3	2015-06-26 21:59:32
10	Nina Drmota	0.02 s	Python 3	2015-08-21 13:53:04

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-03-26 20:08:34
2	Lasse Berglund	0.03 s	Ruby	2016-04-05 15:08:45
3	Macdara mac an tSionnaigh	0.04 s	Ruby	2019-10-02 01:54:49
4	Nicholas Lantz	0.05 s	Ruby	2018-07-04 20:03:19
5	Thomas Feld	0.06 s	Ruby	2022-11-15 10:34:49
6	Russell Ng	0.06 s	Ruby	2025-07-27 13:20:48

#	User	Length	Language	Date
1	Danny Robinson	78	Bash	2023-09-26 10:17:23

#	User	Length	Language	Date
1	Illa Somasekhar	241	C	2018-10-29 07:12:16
2	Axel Jansson	263	C	2018-11-26 13:03:52
3	Saga Arvidsson	271	C	2018-11-27 15:27:07
4	Tobias Nordlund	281	C	2018-11-28 17:18:47
5	Felix Gavelin	285	C	2018-12-11 14:14:39
6	Nathalie Johansson	285	C	2018-12-12 18:03:46
7	Thibault Raffaillac	291	C	2012-03-21 18:19:34
8	Olle Eriksson	292	C	2016-11-29 15:43:22
9	Hidden user	292	C	2019-01-03 02:22:21
10	Mason Anderson	294	C	2024-10-21 20:48:16

#	User	Length	Language	Date
1	Michael Damsgaard	505	C#	2025-01-02 04:44:29
2	Thomas Norris	526	C#	2019-09-25 22:03:52
3	Robert Low	543	C#	2016-07-16 17:07:14
4	Hugo Oskarsson	588	C#	2019-05-10 09:46:32
5	Bas te Kolste	635	C#	2015-10-10 11:28:44
6	Göran Andersson	673	C#	2022-05-11 19:00:25
7	Taner Yavuz	674	C#	2015-09-24 01:09:25
8	Sebastian Sternberg	701	C#	2021-02-28 20:27:25
9	Andries Redelinghuys	712	C#	2023-08-25 03:22:16

#	User	Length	Language	Date
1	Frans Meulenbroeks	185	C++	2024-10-29 13:12:21
2	Hamza Ahmane	231	C++	2016-11-17 23:31:40
3	Antonio Molina Lovett	248	C++	2016-08-06 21:09:58
4	Ganapathy Sanath Balaji	253	C++	2019-08-02 09:13:39
5	Herman Karlsson	259	C++	2015-02-13 14:21:27
6	Fajar Yuda Apriliano	266	C++	2018-10-17 13:34:46
7	Anna Roczek	271	C++	2023-07-13 23:36:01
8	son le thanh	272	C++	2020-11-27 15:49:14
9	William Gan	273	C++	2017-02-17 09:23:55
10	Johan Sannemo	275	C++	2012-03-21 22:44:03

#	User	Length	Language	Date
1	Brandon Mitchell	753	COBOL	2020-04-11 02:16:13

#	User	Length	Language	Date
1	David Cawthon	308	Common Lisp	2019-04-20 18:25:42

#	User	Length	Language	Date
1	Mads Jespersen	637	F#	2020-02-28 00:41:36
2	Jacob Harris Cryer Kragh	666	F#	2022-07-26 18:44:24
3	Patrick Bahr	1974	F#	2021-02-22 23:19:02

#	User	Length	Language	Date
1	William Fiset	324	Go	2016-01-08 00:33:05
2	Jonas Hedin	354	Go	2015-02-28 20:08:11
3	Shruti Patil	448	Go	2023-07-03 14:56:32
4	test	537	Go	2021-01-19 12:06:12
5	Dustin Ward	669	Go	2023-09-16 05:05:25
6	Nathan Lee	679	Go	2025-09-17 23:05:58
7	Oskar Johanson	695	Go	2019-10-12 10:10:15
8	Hidden user	708	Go	2025-03-14 17:27:39
9	Norbert Voelker	881	Go	2021-04-14 17:02:37

#	User	Length	Language	Date
1	Steinar Simonnes	219	Haskell	2023-09-30 23:58:32
2	Birk Tjelmeland	301	Haskell	2018-09-26 17:14:51
3	Peter Deal	309	Haskell	2016-05-14 04:18:18
4	Li Jun	317	Haskell	2023-06-29 12:56:44
5	Matthew Johnson	337	Haskell	2018-03-03 06:47:54
6	Hidden user	366	Haskell	2017-08-18 13:39:34
7	Håkon Flatval	395	Haskell	2018-08-20 14:44:00
8	Rafał Gwoździński	438	Haskell	2021-03-18 11:21:48
9	Martin Jackson	449	Haskell	2017-04-08 23:22:56
10	Caleb Surovik	499	Haskell	2021-07-03 05:15:37

#	User	Length	Language	Date
1	Brennan Cleland	374	Java	2022-11-06 18:44:58
2	Hidden user	392	Java	2017-07-22 13:47:32
3	Sofiane Yaacoubi	394	Java	2022-10-24 18:45:48
4	Victor Tan	398	Java	2019-11-11 18:16:42
5	Caeden Whitaker	401	Java	2020-07-06 03:26:25
6	Vũ Tuấn Hùng	402	Java	2018-10-21 11:53:21
7	Eric Leow Yu Quan	405	Java	2020-12-24 15:05:14
8	Ali Pervaiz	410	Java	2019-03-22 20:52:58
9	Richa Bhute	415	Java	2018-03-20 02:04:28
10	Cory Haas	415	Java	2018-10-25 21:39:14

#	User	Length	Language	Date
1	Greyson Keener	510	JavaScript (Node.js)	2021-03-15 19:05:34
2	Tyrel Hiebert	533	JavaScript (Node.js)	2018-10-21 02:50:19
3	Jessica	533	JavaScript (Node.js)	2021-03-23 20:08:40
4	Divya Radhakrishnan	533	JavaScript (Node.js)	2022-01-17 18:19:30
5	Roger Norberg	600	JavaScript (Node.js)	2019-09-13 11:02:57
6	Hovhannes Kantuni	612	JavaScript (Node.js)	2021-03-18 00:29:21
7	Romina Moya	617	JavaScript (Node.js)	2022-12-12 21:50:55
8	Chris Wong	661	JavaScript (Node.js)	2021-02-07 23:53:43
9	Konstantin Ay	695	JavaScript (Node.js)	2018-07-05 00:04:06
10	Sander Hellesø	738	JavaScript (Node.js)	2019-04-16 08:14:49

#	User	Length	Language	Date
1	Jimmy Gustafsson	108	JavaScript (SpiderMonkey)	2024-07-27 20:54:29
2	Bjørn Chr. Soltvedt	211	JavaScript (SpiderMonkey)	2016-01-28 00:56:11
3	Casey Smith	247	JavaScript (SpiderMonkey)	2019-05-24 21:45:03
4	Peter Menyes	247	JavaScript (SpiderMonkey)	2021-02-28 20:59:40
5	Christian Pilegaard Cederquist	250	JavaScript (SpiderMonkey)	2023-01-11 15:33:27
6	Peter Kedemo	288	JavaScript (SpiderMonkey)	2016-01-04 01:30:53
7	Astrid Persson	468	JavaScript (SpiderMonkey)	2021-06-17 16:49:41
8	Andrea Bianchessi	525	JavaScript (SpiderMonkey)	2018-08-21 23:33:19
9	Nicklas Utgaard	594	JavaScript (SpiderMonkey)	2018-07-03 00:51:23

#	User	Length	Language	Date
1	Danny Robinson	113	Julia	2023-09-26 10:08:44
2	Hidden user	293	Julia	2025-02-23 21:58:41
3	Timothy Gaede	448	Julia	2024-04-04 05:56:18

#	User	Length	Language	Date
1	Dayan Ruben Gonzalez	338	Kotlin	2020-09-28 01:22:25
2	Einar Kjellback	356	Kotlin	2019-11-29 13:32:01
3	Phường Lên	358	Kotlin	2020-04-14 20:08:58
4	Alexandre Conte	449	Kotlin	2021-08-23 23:59:14
5	Bjarne Michael Greisen Larsen	717	Kotlin	2024-10-14 16:59:01
6	Troy Warmboe	777	Kotlin	2020-02-10 21:24:15
7	Adam Rankin	780	Kotlin	2023-04-24 18:54:04
8	Johnny Baloney	831	Kotlin	2021-12-05 20:51:26
9	Neil Harmon	878	Kotlin	2019-04-04 13:51:24
10	James WIlliams	4714	Kotlin	2020-10-19 05:20:32

#	User	Length	Language	Date
1	Shehab Ahmed Hatem	232	Lua	2023-11-14 15:57:15

#	User	Length	Language	Date
1	Tazmilur Saad	681	OCaml	2024-11-02 18:58:17

#	User	Length	Language	Date
1	Ingemar Ragnemalm	335	Pascal	2018-03-02 23:42:20

#	User	Length	Language	Date
1	Renate	262	PHP	2021-07-04 00:59:54
2	Susanne Ragnemalm	387	PHP	2024-05-13 21:17:26
3	Silvena Lam	393	PHP	2017-07-06 20:07:52
4	Daniel Lind	521	PHP	2021-07-07 20:56:04

#	User	Length	Language	Date
1	Hakan Kjellerstrand	318	Prolog	2023-02-27 10:47:57
2	Andriy Zyevakov	365	Prolog	2019-08-11 22:35:43

#	User	Length	Language	Date
1	Thomas Feld	147	Python 2	2019-08-21 16:10:14
2	Erik Odenman	179	Python 2	2015-05-10 21:57:10
3	Johan Lyts	180	Python 2	2019-06-02 21:27:39
4	Guan Yang Ze	189	Python 2	2019-09-06 11:41:57
5	Paulo Bu	193	Python 2	2015-02-12 15:13:34
6	Neal Zane	193	Python 2	2016-02-15 07:40:15
7	Fan Zhang	196	Python 2	2018-08-25 00:02:59
8	Sigurður Jens Albertsson	198	Python 2	2018-02-20 17:19:59
9	Klas af Geijerstam	198	Python 2	2018-11-06 16:56:57
10	Hidden user	200	Python 2	2015-02-27 17:56:13

#	User	Length	Language	Date
1	Jakob Leander Müller	115	Python 3	2024-01-20 23:08:10
2	Christian Kopping	117	Python 3	2024-01-20 23:15:56
3	Harry Zhang	120	Python 3	2023-01-05 20:09:00
4	Ahmed Chamseddine	124	Python 3	2024-07-19 16:28:24
5	Henry Xia	143	Python 3	2022-05-14 06:56:57
6	Marcus Xu	144	Python 3	2021-12-17 08:28:31
7	Guillermo Hernández	144	Python 3	2022-08-25 00:08:10
8	Manu Lam	150	Python 3	2017-10-20 17:59:13
9	Torstein Strømme	150	Python 3	2018-09-25 23:12:08
10	Wayne	152	Python 3	2016-01-28 19:35:07

#	User	Length	Language	Date
1	Thomas Feld	84	Ruby	2022-11-15 10:34:49
2	Russell Ng	91	Ruby	2025-07-27 13:36:18
3	Macdara mac an tSionnaigh	191	Ruby	2019-10-02 01:54:49
4	Casper Christensen	201	Ruby	2016-03-26 20:08:34
5	Nicholas Lantz	250	Ruby	2018-07-04 20:03:19
6	Lasse Berglund	386	Ruby	2016-04-05 15:08:45

#	User	Length	Language	Date
1	David Aldenbro	256	Rust	2023-09-24 15:55:42
2	Vincent Lagerros	546	Rust	2025-01-26 17:52:42
3	Will	581	Rust	2025-02-12 05:57:00
4	David Zacek	595	Rust	2021-05-25 03:08:56
5	Bas Dirks	600	Rust	2022-01-01 18:11:07
6	Robert Janczewski	623	Rust	2020-02-08 00:18:11
7	Pankajkumar Patro	645	Rust	2024-11-20 18:29:16
8	Kok Dith	659	Rust	2021-08-12 05:11:03
9	rasmus tomtava "Store dreng" bjerg	659	Rust	2022-10-07 16:41:23
10	Chaoyi Yin	681	Rust	2019-04-01 20:58:14

Solution running time distribution