Problem A
Fluortanten — Problem Statistics

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Submissions	7483
Accepted submissions	7112
Submission ratio	95.04%
Authors	1760
Full solves [?]	1413
Full solve Ratio	80.28%

#	User	Score	Language	Date
1	Sebastian Banert	100	Ada	2024-07-07 21:58:10

#	User	Score	Language	Date
1	Thomas Feld	0	APL	2023-08-01 08:51:02
2	Éléo BOUVIER	0	APL	2025-05-15 13:50:42

#	User	Score	Language	Date
1	Beyza Güzel	0	Bash	2023-12-06 14:04:15

#	User	Score	Language	Date
1	jerryxu	100	Common Lisp	2022-02-12 13:08:20
2	Jonathan van der Steege	32	Common Lisp	2023-08-05 00:33:17

#	User	Score	Language	Date
1	Jacob Harris Cryer Kragh	100	F#	2022-10-13 17:30:55

#	User	Score	Language	Date
1	Norbert Voelker	100	Go	2021-03-19 22:29:55
2	Oliver Ruste Jahren	32	Go	2023-07-12 15:03:26
3	Johann Yvetot	32	Go	2025-05-24 15:02:33

#	User	Score	Language	Date
1	Erlend Raa Vågset	100	JavaScript (Node.js)	2025-09-30 12:30:49
2	Carl Sundvall	32	JavaScript (Node.js)	2019-01-17 09:35:51
3	Ahmad Marei	32	JavaScript (Node.js)	2022-02-17 17:49:21
4	Sebastian Berglönn	32	JavaScript (Node.js)	2022-02-17 17:49:26
5	Magnus Brandt	32	JavaScript (Node.js)	2022-02-17 17:50:39
6	Andreas Johansson	32	JavaScript (Node.js)	2022-02-17 18:08:43
7	Benjamin Ng Jie Ming	0	JavaScript (Node.js)	2022-08-11 16:00:40
8	Amelia Tan	0	JavaScript (Node.js)	2022-08-13 13:58:40

#	User	Score	Language	Date
1	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2021-03-09 23:49:37
2	Christian Pilegaard Cederquist	100	JavaScript (SpiderMonkey)	2022-11-18 23:07:37

#	User	Score	Language	Date
1	Timothy Gaede	100	Julia	2024-06-24 08:03:51
2	Éléo BOUVIER	100	Julia	2025-05-15 14:40:38

#	User	Score	Language	Date
1	Alexandre Conte	100	Kotlin	2021-08-26 13:06:02
2	Troy Warmboe	100	Kotlin	2021-10-12 03:38:59
3	Jesper Bech Christensen	100	Kotlin	2023-09-26 16:57:15
4	Sergey Jakobsen	32	Kotlin	2021-03-24 11:45:26
5	Adam Rankin	0	Kotlin	2023-08-29 03:46:07

#	User	Score	Language	Date
1	Martin Stensgård	100	Pascal	2023-06-16 02:00:37
2	Ingemar Ragnemalm	32	Pascal	2022-08-31 13:49:07

#	User	Score	Language	Date
1	Renate	100	PHP	2021-07-07 00:36:40
2	Hidden user	0	PHP	2023-09-20 18:58:16

#	User	Score	Language	Date
1	Hakan Kjellerstrand	100	Prolog	2023-02-21 18:36:14

#	User	Score	Language	Date
1	Mateusz Drwal	100	Python 2	2019-01-17 09:05:34
2	Andreas Björklund	100	Python 2	2021-04-12 18:17:25
3	Yanmarshus Bachtiar	100	Python 2	2021-11-11 02:29:33
4	Johan Lyts	100	Python 2	2022-04-20 21:43:08
5	Simon Lindholm	32	Python 2	2018-02-03 20:12:21
6	Supratik Sekhar Bhattacharya	0	Python 2	2021-10-11 22:50:51
7	carloscndev	0	Python 2	2023-11-02 15:12:00

#	User	Score	Language	Date
1	Jinwoo Lee	100	Racket	2025-01-25 20:52:00

#	User	Score	Language	Date
1	Martin Larsson	100	Ruby	2018-02-04 11:57:01
2	Natanael Lundberg	100	Ruby	2023-01-21 10:23:16
3	Thomas Feld	100	Ruby	2023-03-28 15:33:45
4	Éléo BOUVIER	0	Ruby	2025-05-15 14:29:22

#	User	Score	Language	Date
1	Joe Blower	100	Zig	2025-05-27 05:49:18

#	User	Runtime	Language	Date
1	Sebastian Banert	0.16 s	Ada	2024-07-07 21:58:10

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.02 s	C	2023-02-21 18:11:59
2	Bergur Snorrason	0.03 s	C	2020-12-17 11:56:06
3	Mirel Cosulschi	0.04 s	C	2025-04-19 17:44:26
4	Axel Delbom	0.05 s	C	2024-07-24 19:55:20
5	Shawn Lee Kai Sheng	0.08 s	C	2021-04-22 16:57:23
6	Daniel Hoshi	0.08 s	C	2022-01-18 12:23:22
7	Andrew Jones	0.08 s	C	2022-06-08 21:43:06
8	Wade Costa	0.08 s	C	2022-10-06 20:03:27
9	Ethan Keck Jun Wei	0.08 s	C	2023-08-12 18:34:47
10	Oliver Eriksson	0.09 s	C	2022-07-14 03:15:11

#	User	Runtime	Language	Date
1	Jakub Jarząbek	0.11 s	C#	2022-01-21 22:14:07
2	Andriy Zyevakov	0.11 s	C#	2022-11-21 17:53:51
3	Elliot Thompson	0.23 s	C#	2025-06-09 23:35:25
4	Gustav Kalander	0.24 s	C#	2025-02-08 13:02:28
5	Christian Abrahamsson	0.25 s	C#	2025-05-29 19:40:47
6	Filip Björnåsen	0.31 s	C#	2018-10-22 15:20:16
7	Loke Gustafsson	0.31 s	C#	2019-01-17 10:44:28
8	Markus Swift	0.33 s	C#	2019-01-17 10:14:30
9	Göran Andersson	0.42 s	C#	2022-06-08 03:27:29
10	Stoffe Malmberg	0.42 s	C#	2022-12-08 14:44:57

#	User	Runtime	Language	Date
1	Frank Endriss	0.02 s	C++	2020-12-06 13:30:44
2	Hidden user	0.02 s	C++	2020-12-14 15:43:41
3	Marcel Rød	0.02 s	C++	2021-11-03 20:35:41
4	Agis Daniels	0.02 s	C++	2022-01-10 21:37:25
5	Jonathan Hallström	0.02 s	C++	2022-02-22 09:55:44
6	Alva Edvardsson	0.02 s	C++	2022-02-22 13:54:19
7	Rezwan Arefin	0.02 s	C++	2022-08-11 11:23:38
8	Benjamin Long Wei Ming	0.02 s	C++	2022-08-13 04:38:15
9	Hidden user	0.02 s	C++	2022-08-13 10:03:19
10	Hidden user	0.02 s	C++	2022-08-14 02:57:12

#	User	Runtime	Language	Date
1	jerryxu	0.76 s	Common Lisp	2022-02-12 13:08:20

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.57 s	F#	2022-10-13 17:30:55

#	User	Runtime	Language	Date
1	Norbert Voelker	0.17 s	Go	2021-03-19 22:29:55

#	User	Runtime	Language	Date
1	Fulano de Tal	0.12 s	Haskell	2022-01-24 22:59:51
2	Hidden user	0.19 s	Haskell	2022-04-17 22:42:25
3	super full name	0.23 s	Haskell	2023-11-26 17:42:04
4	Steinar Simonnes	0.25 s	Haskell	2025-06-17 15:30:35
5	Staffan Rydström	2.16 s	Haskell	2021-10-21 12:20:15
6	Karl Bielefeldt	2.21 s	Haskell	2021-11-13 05:04:26
7	Shinji Koshida	2.33 s	Haskell	2024-12-21 12:58:46
8	Archie Walton	2.41 s	Haskell	2023-11-30 20:54:32
9	Joshua Coward	2.46 s	Haskell	2022-03-18 14:58:12
10	Mason Barnhill	2.48 s	Haskell	2024-01-09 19:39:28

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.13 s	Java	2023-02-21 17:13:09
2	Joachim Borup	0.14 s	Java	2021-03-12 19:38:52
3	Bjørn Dons	0.16 s	Java	2021-01-01 20:07:26
4	Crystal Sharpe	0.19 s	Java	2020-12-15 00:36:39
5	Liam Keliher	0.26 s	Java	2020-12-12 03:56:47
6	Mas Ali	0.35 s	Java	2024-04-22 19:30:05
7	Axel Nilsson	0.35 s	Java	2024-06-17 12:16:44
8	Quân Anh	0.36 s	Java	2024-04-25 10:22:32
9	Hussin Suleiman	0.36 s	Java	2024-05-21 19:29:27
10	Huang Qiming	0.37 s	Java	2021-07-11 12:52:20

#	User	Runtime	Language	Date
1	Erlend Raa Vågset	0.46 s	JavaScript (Node.js)	2025-09-30 12:30:49

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.23 s	JavaScript (SpiderMonkey)	2021-03-09 23:49:37
2	Christian Pilegaard Cederquist	0.28 s	JavaScript (SpiderMonkey)	2022-11-18 23:07:37

#	User	Runtime	Language	Date
1	Timothy Gaede	0.69 s	Julia	2024-06-24 08:03:51
2	Éléo BOUVIER	1.18 s	Julia	2025-05-15 14:52:07

#	User	Runtime	Language	Date
1	Jesper Bech Christensen	0.70 s	Kotlin	2023-09-26 16:57:15
2	Troy Warmboe	0.79 s	Kotlin	2021-10-12 03:38:59
3	Alexandre Conte	0.87 s	Kotlin	2021-08-26 13:06:02

#	User	Runtime	Language	Date
1	Martin Stensgård	0.10 s	Pascal	2023-06-16 02:00:37

#	User	Runtime	Language	Date
1	Renate	0.23 s	PHP	2021-07-07 01:07:05

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.99 s	Prolog	2023-02-21 18:36:14

#	User	Runtime	Language	Date
1	Yanmarshus Bachtiar	0.17 s	Python 2	2021-11-11 02:29:33
2	Johan Lyts	0.18 s	Python 2	2022-04-20 21:43:08
3	Andreas Björklund	0.22 s	Python 2	2021-04-12 18:17:25
4	Mateusz Drwal	0.39 s	Python 2	2019-01-17 09:05:34

#	User	Runtime	Language	Date
1	Nicholas Kang Jun Jie	0.17 s	Python 3	2022-10-08 05:48:16
2	Éléo BOUVIER	0.17 s	Python 3	2025-05-15 13:27:54
3	You Yog	0.18 s	Python 3	2021-10-11 04:46:03
4	Zhu Junru	0.18 s	Python 3	2022-10-10 14:39:55
5	Thomas Hawks	0.18 s	Python 3	2025-03-10 22:53:43
6	Sweta Mishra	0.19 s	Python 3	2022-03-10 19:37:16
7	Brandon Alejandro Mosqueda González	0.19 s	Python 3	2023-03-28 11:55:06
8	Hidden user	0.20 s	Python 3	2021-10-06 14:49:47
9	Prateek Bhakta	0.20 s	Python 3	2022-02-17 23:55:14
10	dragercisen	0.20 s	Python 3	2022-08-13 14:02:36

#	User	Runtime	Language	Date
1	Jinwoo Lee	2.66 s	Racket	2025-01-25 20:52:00

#	User	Runtime	Language	Date
1	Thomas Feld	0.52 s	Ruby	2023-08-01 10:00:42
2	Natanael Lundberg	0.72 s	Ruby	2023-01-21 10:23:16
3	Martin Larsson	1.32 s	Ruby	2018-02-04 11:57:01

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2025-06-02 00:55:22
2	Marcus Dicander	0.03 s	Rust	2022-06-22 16:26:35
3	Artur Khuziakhmetov	0.03 s	Rust	2022-07-26 13:22:56
4	Oh Yi Xiu, Wilson	0.03 s	Rust	2022-08-12 05:19:22
5	Ng Tek In	0.03 s	Rust	2022-08-22 19:26:04
6	Justin Rogo	0.03 s	Rust	2023-07-19 05:59:07
7	David Zacek	0.04 s	Rust	2021-04-08 04:32:50
8	Adam Gausmann	0.04 s	Rust	2021-11-19 07:13:27
9	Bas Dirks	0.04 s	Rust	2022-05-19 15:44:21
10	Victor Ekekrantz	0.04 s	Rust	2023-10-06 17:30:40

#	User	Runtime	Language	Date
1	Joe Blower	0.07 s	Zig	2025-05-27 05:49:18

#	User	Length	Language	Date
1	Sebastian Banert	624	Ada	2024-07-07 21:58:10

#	User	Length	Language	Date
1	klimisnotmilk	402	C	2024-03-27 09:06:14
2	Magnus Lind	510	C	2018-02-04 10:03:28
3	Hidden user	563	C	2018-02-04 10:16:23
4	Ethan Keck Jun Wei	596	C	2023-08-12 18:34:47
5	Cheney Lin	596	C	2024-11-02 00:44:06
6	Pablo Sainz López	596	C	2025-06-11 18:03:30
7	Wade Costa	602	C	2022-10-06 20:03:27
8	Shawn Lee Kai Sheng	621	C	2021-04-22 16:57:23
9	Daniel Hoshi	621	C	2022-01-18 12:23:22
10	Mirel Cosulschi	634	C	2025-04-19 17:42:00

#	User	Length	Language	Date
1	Christian Abrahamsson	468	C#	2025-05-29 19:40:47
2	Benjamin Iserman	809	C#	2021-11-11 03:22:05
3	Göran Andersson	850	C#	2022-06-08 03:27:29
4	Krister Magnusson	873	C#	2022-10-28 00:44:25
5	Wilhelm Nilede	925	C#	2018-02-04 10:40:53
6	Stoffe Malmberg	1027	C#	2022-12-08 14:48:20
7	Gustav Kalander	1041	C#	2025-02-08 13:02:28
8	Hieu	1172	C#	2021-05-22 22:37:26
9	Filip Björnåsen	1178	C#	2018-02-04 10:14:10
10	Johan Larsson	1184	C#	2019-01-17 10:54:14

#	User	Length	Language	Date
1	Immanuel Josiah Ang Balete	315	C++	2022-06-16 06:20:42
2	Dominic Sagen	321	C++	2022-10-01 20:52:11
3	黃浚瑜	356	C++	2021-09-03 16:21:30
4	Rafael Kristoforus Yanto	360	C++	2025-01-01 16:31:41
5	playsam	375	C++	2023-09-20 20:02:15
6	Emmanuel Anaya	376	C++	2021-04-02 07:10:10
7	Dmitry Lyubshin	386	C++	2023-03-18 14:44:54
8	Axel Lokrantz	390	C++	2018-02-04 10:19:50
9	Christian Yongwhan Lim	392	C++	2023-05-23 16:56:55
10	James Rettie	393	C++	2022-08-20 14:25:32

#	User	Length	Language	Date
1	jerryxu	520	Common Lisp	2022-02-12 13:08:20

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	764	F#	2022-10-13 17:30:55

#	User	Length	Language	Date
1	Norbert Voelker	1375	Go	2021-03-19 22:29:55

#	User	Length	Language	Date
1	Staffan Rydström	220	Haskell	2021-10-24 15:42:41
2	Joshua Coward	329	Haskell	2022-03-18 14:58:12
3	Karl Bielefeldt	364	Haskell	2021-11-13 05:04:26
4	Mason Barnhill	422	Haskell	2024-01-09 19:39:28
5	super full name	454	Haskell	2023-11-26 17:17:17
6	Steinar Simonnes	488	Haskell	2025-06-17 15:26:05
7	Archie Walton	508	Haskell	2023-11-30 20:54:32
8	Noa Torstensvik	587	Haskell	2023-01-21 11:08:09
9	Shinji Koshida	630	Haskell	2024-12-21 12:58:46
10	Fulano de Tal	950	Haskell	2022-01-24 22:59:51

#	User	Length	Language	Date
1	Rasmus Winzell	559	Java	2019-01-17 10:21:08
2	Mohamed Faez Bin Shahlan	636	Java	2023-01-28 10:08:20
3	Dylan Smith	644	Java	2021-03-07 20:47:16
4	Ng Yong Xiang	689	Java	2021-12-12 10:40:26
5	Hidden user	699	Java	2022-02-23 16:52:40
6	Stela Palii	776	Java	2024-12-08 05:15:52
7	Doug Goodman	796	Java	2021-05-31 21:12:12
8	Shawn Ho	847	Java	2022-02-19 11:36:57
9	Tyler Klick	875	Java	2024-05-07 20:46:28
10	Marshall D Feng	879	Java	2022-02-06 02:58:22

#	User	Length	Language	Date
1	Erlend Raa Vågset	608	JavaScript (Node.js)	2025-09-30 12:30:49

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	342	JavaScript (SpiderMonkey)	2022-11-18 23:07:37
2	Bjørn Chr. Soltvedt	380	JavaScript (SpiderMonkey)	2021-03-10 00:01:11

#	User	Length	Language	Date
1	Éléo BOUVIER	166	Julia	2025-05-15 14:52:07
2	Timothy Gaede	1001	Julia	2024-06-24 08:03:51

#	User	Length	Language	Date
1	Jesper Bech Christensen	283	Kotlin	2023-09-26 16:57:15
2	Alexandre Conte	385	Kotlin	2021-08-26 13:06:02
3	Troy Warmboe	1076	Kotlin	2021-10-12 03:38:59

#	User	Length	Language	Date
1	Martin Stensgård	708	Pascal	2023-06-16 02:21:37

#	User	Length	Language	Date
1	Renate	804	PHP	2021-07-07 01:07:05

#	User	Length	Language	Date
1	Hakan Kjellerstrand	722	Prolog	2023-02-21 18:36:14

#	User	Length	Language	Date
1	Johan Lyts	207	Python 2	2022-04-20 21:43:08
2	Yanmarshus Bachtiar	359	Python 2	2021-11-11 02:29:33
3	Andreas Björklund	369	Python 2	2021-04-12 18:17:25
4	Mateusz Drwal	984	Python 2	2019-01-17 09:05:34

#	User	Length	Language	Date
1	Clement Oh	103	Python 3	2023-07-28 19:01:24
2	Benjamin Z White	124	Python 3	2023-05-04 20:50:57
3	Éléo BOUVIER	131	Python 3	2025-05-15 14:58:26
4	Shashank Bhatt	143	Python 3	2024-06-27 21:17:29
5	Thomas Draper	144	Python 3	2023-02-12 05:48:46
6	Charles Ancheta	161	Python 3	2023-04-19 08:05:16
7	Hidden user	164	Python 3	2022-10-11 16:13:43
8	Timothy Baeckelant	164	Python 3	2024-07-21 12:48:32
9	David Engström	175	Python 3	2019-01-17 09:22:46
10	Malte Kildelund Rosenkilde	177	Python 3	2021-05-30 09:53:30

#	User	Length	Language	Date
1	Jinwoo Lee	831	Racket	2025-01-25 20:52:00

#	User	Length	Language	Date
1	Thomas Feld	74	Ruby	2023-08-01 09:46:31
2	Natanael Lundberg	519	Ruby	2023-01-21 10:23:16
3	Martin Larsson	719	Ruby	2018-02-04 11:57:01

#	User	Length	Language	Date
1	Adam Gausmann	639	Rust	2021-11-19 07:13:27
2	Ng Tek In	660	Rust	2022-08-22 19:26:04
3	Oh Yi Xiu, Wilson	724	Rust	2022-08-12 05:19:22
4	Bas Dirks	730	Rust	2022-05-19 15:44:21
5	Sherman Chann Zhi Shen	734	Rust	2021-10-26 03:45:34
6	David Zacek	777	Rust	2021-04-08 04:32:50
7	super full name	835	Rust	2023-11-26 19:23:23
8	David Rasch	882	Rust	2021-11-20 12:18:34
9	Artur Khuziakhmetov	931	Rust	2022-07-26 13:24:16
10	Marcus Dicander	1036	Rust	2022-06-22 16:26:35

#	User	Length	Language	Date
1	Joe Blower	1049	Zig	2025-05-27 05:49:18

Solution running time distribution