Problem A
Pinni Frændi — Problem Statistics

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Submissions	1153
Accepted submissions	749
Submission ratio	64.96%
Authors	443
Full solves [?]	368
Full solve Ratio	83.07%

#	User	Score	Language	Date
1	Thomas Feld	100	APL	2023-11-13 10:15:35

#	User	Score	Language	Date
1	Chenzhang Hu	100	Bash	2023-11-10 16:32:11
2	Thomas Feld	100	Bash	2023-11-13 10:21:13
3	Einar Andri Víðisson	100	Bash	2024-04-21 02:36:56

#	User	Score	Language	Date
1	traxex	100	C#	2024-05-25 22:03:08
2	Գոռ Բաղդասարյան	100	C#	2024-08-04 13:10:44
3	Deci Bel	100	C#	2024-08-05 18:31:05
4	Michael Damsgaard	100	C#	2025-01-02 14:22:31
5	Umar Rasyid	100	C#	2025-05-15 04:04:53
6	Bjarki Fannar Snorrason	50	C#	2023-11-13 12:15:27
7	Marlou Foreman	50	C#	2024-06-18 09:24:04

#	User	Score	Language	Date
1	Stefan Schmiedl	100	F#	2024-08-23 18:01:42

#	User	Score	Language	Date
1	Norbert Voelker	100	Go	2023-11-11 13:50:00
2	Joachim Horshauge	100	Go	2024-06-19 16:22:16

#	User	Score	Language	Date
1	Brent Yorgey	100	Haskell	2023-11-13 00:58:12
2	Steinar Simonnes	100	Haskell	2024-03-23 19:47:26
3	vagabundus	100	Haskell	2024-05-04 10:36:16
4	Ng Tek In	100	Haskell	2024-12-27 04:16:11
5	Gavin Dunlap	100	Haskell	2025-04-25 21:02:25

#	User	Score	Language	Date
1	Christian Pilegaard Cederquist	100	JavaScript (SpiderMonkey)	2023-11-10 09:29:49
2	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2023-11-11 14:09:15
3	Jimmy Gustafsson	100	JavaScript (SpiderMonkey)	2024-08-16 10:52:38

#	User	Score	Language	Date
1	Danny Robinson	100	Julia	2023-11-18 08:37:17
2	Timothy Gaede	100	Julia	2024-04-10 06:21:20

#	User	Score	Language	Date
1	Zaw Myat	100	Kotlin	2024-01-15 04:29:19
2	Martijn Muijsers	100	Kotlin	2024-07-02 11:19:38
3	Adam Rankin	100	Kotlin	2024-11-22 04:10:56

#	User	Score	Language	Date
1	Danny Robinson	100	Lua	2023-11-18 08:40:18

#	User	Score	Language	Date
1	Hidden user	100	OCaml	2024-08-26 15:17:26

#	User	Score	Language	Date
1	Ingemar Ragnemalm	100	Pascal	2024-07-17 14:13:45

#	User	Score	Language	Date
1	Javier Gómez Díaz	100	Perl	2025-07-02 01:08:50
2	Thomas Feld	100	Perl	2025-08-20 14:41:05
3	Chenzhang Hu	100	Perl	2025-09-14 12:06:57

#	User	Score	Language	Date
1	Renate	100	PHP	2023-11-11 11:48:09
2	Philippe Hubert	100	PHP	2024-01-03 21:29:11
3	Kylind Reagan	100	PHP	2024-08-29 03:02:50

#	User	Score	Language	Date
1	Arnar Bjarni Arnarson	100	Prolog	2023-09-20 20:00:47
2	Andriy Zyevakov	100	Prolog	2025-03-09 10:03:22

#	User	Score	Language	Date
1	Dagur Benjamínsson	100	Python 2	2023-10-12 00:23:47
2	Johan Lyts	100	Python 2	2023-11-17 22:22:40
3	すうぇっりえるはこん	100	Python 2	2024-03-11 05:59:30
4	Gunnsteinn Þór Ólason	100	Python 2	2025-11-13 13:17:51
5	Si Jie Tan	100	Python 2	2025-12-11 14:27:48

#	User	Score	Language	Date
1	Thomas Feld	100	Ruby	2023-11-13 10:14:17
2	Miorel Palii	100	Ruby	2024-12-02 05:29:14

#	User	Score	Language	Date
1	David Rasch	100	Rust	2023-11-14 09:52:12
2	Frank Endriss	100	Rust	2023-12-08 15:50:30
3	Bas Dirks	100	Rust	2023-12-28 07:46:20
4	Lars Haukland	100	Rust	2024-01-17 15:18:38
5	Freek van Keulen	100	Rust	2024-02-16 10:08:08
6	Magni Steinn Þorbjörnsson	100	Rust	2024-03-25 18:45:40
7	Vincent Lagerros	100	Rust	2025-02-16 18:56:03
8	Hidden user	100	Rust	2025-06-04 22:37:57

#	User	Score	Language	Date
1	Hidden user	100	Swift	2023-11-10 00:46:37

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	APL	2023-11-13 10:15:35

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	Bash	2023-11-13 10:21:13
2	Einar Andri Víðisson	0.01 s	Bash	2024-04-21 02:36:56
3	Chenzhang Hu	0.01 s	Bash	2025-09-12 21:14:39

#	User	Runtime	Language	Date
1	traxex	0.04 s	C#	2024-05-25 22:03:08
2	Գոռ Բաղդասարյան	0.04 s	C#	2024-08-04 13:10:44
3	Umar Rasyid	0.04 s	C#	2025-05-15 04:04:53
4	Deci Bel	0.05 s	C#	2024-08-05 18:31:05
5	Michael Damsgaard	0.05 s	C#	2025-01-02 14:22:31

#	User	Runtime	Language	Date
1	Stefan Schmiedl	0.06 s	F#	2024-08-23 18:01:42

#	User	Runtime	Language	Date
1	Norbert Voelker	0.00 s	Go	2023-11-11 13:50:00
2	Joachim Horshauge	0.00 s	Go	2024-06-19 16:22:16

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2024-03-23 19:47:26
2	vagabundus	0.00 s	Haskell	2024-05-04 10:36:16
3	Ng Tek In	0.00 s	Haskell	2024-12-27 04:16:11
4	Gavin Dunlap	0.00 s	Haskell	2025-04-25 21:02:25
5	Brent Yorgey	0.01 s	Haskell	2023-11-13 00:58:12

#	User	Runtime	Language	Date
1	Muhammad Mairaj	0.04 s	Java	2024-12-15 02:38:01
2	Guangyi Zhou	0.04 s	Java	2024-12-29 15:37:31
3	Einar Þór Ívarsson	0.04 s	Java	2025-04-07 19:10:31
4	pothyne	0.04 s	Java	2026-01-02 05:29:15
5	Kaarnik Kalia	0.05 s	Java	2024-03-16 03:10:54
6	Ben Cobb	0.06 s	Java	2023-11-11 06:13:12
7	Sven Rönnbäck	0.06 s	Java	2023-11-16 17:28:59
8	Ranjith M	0.06 s	Java	2024-02-10 18:47:59
9	Stela Palii	0.08 s	Java	2024-12-10 03:15:47
10	O HL	0.08 s	Java	2024-12-15 02:27:39

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-11-10 09:29:49
2	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2023-11-11 14:09:15
3	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-16 10:52:38

#	User	Runtime	Language	Date
1	Timothy Gaede	0.27 s	Julia	2024-04-10 06:21:20
2	Danny Robinson	0.52 s	Julia	2023-11-18 08:37:17

#	User	Runtime	Language	Date
1	Zaw Myat	0.19 s	Kotlin	2024-01-15 04:29:19
2	Martijn Muijsers	0.19 s	Kotlin	2024-07-02 11:19:38
3	Adam Rankin	0.20 s	Kotlin	2024-11-22 04:10:56

#	User	Runtime	Language	Date
1	Danny Robinson	0.00 s	Lua	2023-11-18 08:40:18

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	OCaml	2024-08-26 15:17:26

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2024-07-17 14:13:45

#	User	Runtime	Language	Date
1	Javier Gómez Díaz	0.00 s	Perl	2025-07-02 01:08:50
2	Thomas Feld	0.00 s	Perl	2025-08-20 14:41:05
3	Chenzhang Hu	0.00 s	Perl	2025-09-14 12:06:57

#	User	Runtime	Language	Date
1	Renate	0.01 s	PHP	2023-11-11 11:48:09
2	Philippe Hubert	0.01 s	PHP	2024-01-03 21:29:11
3	Kylind Reagan	0.01 s	PHP	2024-08-29 03:02:50

#	User	Runtime	Language	Date
1	Arnar Bjarni Arnarson	0.02 s	Prolog	2023-09-20 20:00:47
2	Andriy Zyevakov	0.02 s	Prolog	2025-03-09 10:03:22

#	User	Runtime	Language	Date
1	Johan Lyts	0.02 s	Python 2	2023-11-17 22:22:40
2	Dagur Benjamínsson	0.03 s	Python 2	2023-10-12 00:23:47
3	すうぇっりえるはこん	0.03 s	Python 2	2024-03-11 05:59:30
4	Si Jie Tan	0.07 s	Python 2	2025-12-11 14:27:48
5	Gunnsteinn Þór Ólason	0.08 s	Python 2	2025-11-13 13:17:51

#	User	Runtime	Language	Date
1	Clement Oh	0.04 s	Python 3	2023-11-16 08:16:58
2	Jakob Rødal Skaar	0.04 s	Python 3	2023-11-22 19:11:15
3	Rajul Srivastava	0.04 s	Python 3	2024-08-28 14:01:25
4	Christian Goethert	0.04 s	Python 3	2024-08-29 00:31:51
5	Reese Brackins	0.04 s	Python 3	2024-08-29 00:37:14
6	Kylind Reagan	0.04 s	Python 3	2024-08-29 00:57:16
7	Chance Loveday	0.04 s	Python 3	2024-08-29 00:59:55
8	M4 Myat Maung	0.04 s	Python 3	2024-08-29 01:09:35
9	Alyssa Hummel	0.04 s	Python 3	2024-08-29 01:13:22
10	Gustavo Hernandez	0.04 s	Python 3	2024-08-29 01:29:21

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-11-13 10:14:17
2	Miorel Palii	0.06 s	Ruby	2024-12-02 05:29:14

#	User	Runtime	Language	Date
1	David Rasch	0.00 s	Rust	2023-11-14 09:52:12
2	Frank Endriss	0.00 s	Rust	2023-12-08 15:50:30
3	Bas Dirks	0.00 s	Rust	2023-12-28 07:46:20
4	Lars Haukland	0.00 s	Rust	2024-01-17 15:18:38
5	Freek van Keulen	0.00 s	Rust	2024-02-16 10:08:08
6	Magni Steinn Þorbjörnsson	0.00 s	Rust	2024-03-25 18:45:40
7	Vincent Lagerros	0.00 s	Rust	2025-02-16 18:56:03
8	Hidden user	0.00 s	Rust	2025-06-04 22:37:57

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Swift	2023-11-10 00:46:37

#	User	Length	Language	Date
1	Thomas Feld	28	APL	2023-11-13 10:15:35

#	User	Length	Language	Date
1	Chenzhang Hu	18	Bash	2025-09-13 17:05:54
2	Thomas Feld	27	Bash	2023-11-13 10:21:40
3	Einar Andri Víðisson	29	Bash	2024-04-21 02:36:56

#	User	Length	Language	Date
1	Kylind Reagan	161	C	2024-08-29 03:01:46
2	Oscar Brink	178	C	2023-12-13 08:56:09
3	Eyleifur Bjarkason	180	C	2023-11-10 12:17:04
4	Kasper Malmborg Rønne	196	C	2024-05-20 16:59:50
5	Meta Heric	202	C	2024-06-05 20:39:31
6	Jeremiah Moore	206	C	2024-01-29 21:46:40
7	Anderson Lizarazo Tellez	234	C	2024-01-17 15:21:36
8	Símon Páll Birgirsson	261	C	2025-06-15 00:45:20
9	Julian Duniec	273	C	2023-11-22 14:30:59
10	Anton	294	C	2024-09-18 14:48:46

#	User	Length	Language	Date
1	traxex	112	C#	2024-05-25 22:03:08
2	Michael Damsgaard	208	C#	2025-01-02 14:22:31
3	Գոռ Բաղդասարյան	229	C#	2024-08-04 13:10:44
4	Deci Bel	451	C#	2024-08-05 18:31:05
5	Umar Rasyid	605	C#	2025-05-15 04:04:53

#	User	Length	Language	Date
1	Azeez Daoud	96	C++	2025-01-13 17:25:46
2	Frans Meulenbroeks	96	C++	2025-02-24 20:31:58
3	Alexander Kravberg	101	C++	2023-12-25 05:51:54
4	Evan Magill	107	C++	2024-02-01 05:26:53
5	人外沙耶	129	C++	2023-12-20 06:45:57
6	Hidden user	132	C++	2024-01-01 06:32:56
7	Róbert Kristian Freysson	134	C++	2025-08-09 15:33:19
8	Einar Þór Sigurðsson	140	C++	2025-04-18 07:01:57
9	Dmytro Bilotserkovets	143	C++	2024-07-02 16:55:35
10	Mohsen Mahroos	144	C++	2024-04-23 10:31:06

#	User	Length	Language	Date
1	Stefan Schmiedl	124	F#	2024-08-23 18:01:42

#	User	Length	Language	Date
1	Norbert Voelker	163	Go	2023-11-11 13:50:00
2	Joachim Horshauge	435	Go	2024-06-19 16:22:16

#	User	Length	Language	Date
1	Steinar Simonnes	152	Haskell	2024-03-23 19:47:26
2	Gavin Dunlap	169	Haskell	2025-04-25 21:02:25
3	Brent Yorgey	226	Haskell	2023-11-13 00:58:12
4	vagabundus	236	Haskell	2024-05-04 10:36:16
5	Ng Tek In	1973	Haskell	2024-12-27 04:16:11

#	User	Length	Language	Date
1	Einar Þór Ívarsson	214	Java	2025-04-07 19:17:44
2	Hunter Mullen	221	Java	2025-02-10 21:41:46
3	Mikkel C. B. Christensen	227	Java	2023-11-13 13:57:59
4	Raymond Arrington	273	Java	2024-06-30 04:12:08
5	Hidden user	308	Java	2024-07-08 01:44:54
6	Thomas Anung Basuki	316	Java	2026-01-06 10:05:41
7	Martin Llano	319	Java	2024-02-01 23:22:08
8	Florian Klöckner	337	Java	2025-06-17 00:00:03
9	Nickie Almind	344	Java	2024-07-19 23:46:08
10	Jacob Lorenzen	371	Java	2024-10-13 13:18:54

#	User	Length	Language	Date
1	Jimmy Gustafsson	40	JavaScript (SpiderMonkey)	2024-08-16 12:17:40
2	Bjørn Chr. Soltvedt	42	JavaScript (SpiderMonkey)	2023-11-11 14:09:15
3	Christian Pilegaard Cederquist	58	JavaScript (SpiderMonkey)	2023-11-10 09:29:49

#	User	Length	Language	Date
1	Danny Robinson	47	Julia	2023-11-18 08:37:17
2	Timothy Gaede	131	Julia	2024-04-10 06:21:20

#	User	Length	Language	Date
1	Zaw Myat	170	Kotlin	2024-01-15 04:29:19
2	Adam Rankin	280	Kotlin	2024-11-22 04:10:56
3	Martijn Muijsers	355	Kotlin	2024-07-02 11:19:38

#	User	Length	Language	Date
1	Danny Robinson	43	Lua	2023-11-18 08:40:18

#	User	Length	Language	Date
1	Hidden user	98	OCaml	2024-08-26 15:17:26

#	User	Length	Language	Date
1	Ingemar Ragnemalm	127	Pascal	2024-07-17 14:13:45

#	User	Length	Language	Date
1	Chenzhang Hu	6	Perl	2025-09-14 12:06:57
2	Thomas Feld	6	Perl	2025-09-16 16:00:07
3	Javier Gómez Díaz	21	Perl	2025-07-02 01:08:50

#	User	Length	Language	Date
1	Kylind Reagan	53	PHP	2024-08-29 03:15:47
2	Renate	102	PHP	2023-11-11 11:48:09
3	Philippe Hubert	135	PHP	2024-01-03 21:29:11

#	User	Length	Language	Date
1	Arnar Bjarni Arnarson	1310	Prolog	2023-09-20 20:00:47
2	Andriy Zyevakov	3685	Prolog	2025-03-09 10:03:22

#	User	Length	Language	Date
1	すうぇっりえるはこん	27	Python 2	2024-03-11 05:59:30
2	Dagur Benjamínsson	30	Python 2	2023-10-12 00:26:07
3	Gunnsteinn Þór Ólason	30	Python 2	2025-11-13 13:17:51
4	Si Jie Tan	35	Python 2	2025-12-11 14:27:48
5	Johan Lyts	51	Python 2	2023-11-17 22:22:40

#	User	Length	Language	Date
1	Kylind Reagan	34	Python 3	2024-08-29 02:49:31
2	Christofer Ohlsson	35	Python 3	2023-11-10 16:41:20
3	Nicholas Russell Saerang	35	Python 3	2023-11-11 02:46:41
4	Mikael Fiala-Lundström	35	Python 3	2023-11-11 17:14:14
5	Casper Rysgaard	35	Python 3	2023-11-13 21:45:35
6	Clement Oh	35	Python 3	2023-11-16 08:16:58
7	Hidden user	35	Python 3	2023-11-21 13:12:16
8	Jonathan de Koning	35	Python 3	2023-12-07 10:59:13
9	Þórhallur Tryggvason	35	Python 3	2024-01-29 14:37:29
10	Jakob Leander Müller	35	Python 3	2024-02-07 11:37:59

#	User	Length	Language	Date
1	Thomas Feld	26	Ruby	2023-11-13 10:14:17
2	Miorel Palii	39	Ruby	2024-12-02 05:29:14

#	User	Length	Language	Date
1	Vincent Lagerros	173	Rust	2025-02-16 18:56:03
2	David Rasch	249	Rust	2023-11-14 09:52:12
3	Freek van Keulen	263	Rust	2024-02-16 10:08:08
4	Magni Steinn Þorbjörnsson	285	Rust	2024-03-25 18:45:40
5	Lars Haukland	314	Rust	2024-01-17 15:18:38
6	Bas Dirks	326	Rust	2023-12-28 07:46:20
7	Frank Endriss	1616	Rust	2023-12-08 15:50:30
8	Hidden user	6002	Rust	2025-06-04 22:37:57

#	User	Length	Language	Date
1	Hidden user	85	Swift	2023-11-10 00:46:37

Solution running time distribution