Problem A
Úllen Dúllen Doff 2 — Problem Statistics

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Submissions	868
Accepted submissions	715
Submission ratio	82.37%
Authors	295
Full solves [?]	238
Full solve Ratio	80.68%

#	User	Score	Language	Date
1	Chenzhang Hu	100	Bash	2024-04-02 17:53:32
2	Luna Artemis Midttun Hukkelberg	100	Bash	2024-07-25 22:09:41

#	User	Score	Language	Date
1	Eyleifur Bjarkason	100	C	2024-08-07 00:57:19
2	Mirel Cosulschi	100	C	2024-10-04 19:05:31
3	Yuen Wei Hao	100	C	2025-02-08 08:37:30
4	Birger Lundin	100	C	2025-12-19 12:14:44
5	Hidden user	30	C	2024-11-19 22:11:58
6	Naveen Kumar S	30	C	2025-05-01 12:08:25

#	User	Score	Language	Date
1	traxex	100	C#	2024-05-25 22:16:05

#	User	Score	Language	Date
1	Norbert Voelker	100	Go	2024-03-27 18:44:00

#	User	Score	Language	Date
1	Brent Yorgey	100	Haskell	2024-03-10 01:13:48
2	Atli Fannar Franklín	100	Haskell	2024-03-10 12:53:44
3	Steinar Simonnes	100	Haskell	2024-03-10 20:18:59
4	Hidden user	100	Haskell	2024-03-12 15:25:34

#	User	Score	Language	Date
1	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2024-03-09 18:38:55
2	Christian Pilegaard Cederquist	100	JavaScript (SpiderMonkey)	2024-04-08 09:30:22

#	User	Score	Language	Date
1	Timothy Gaede	90	Julia	2024-09-28 08:01:20

#	User	Score	Language	Date
1	Adam Rankin	100	Kotlin	2026-01-13 02:26:10

#	User	Score	Language	Date
1	Javier Gómez Díaz	100	Perl	2025-10-18 19:10:39

#	User	Score	Language	Date
1	Renate Fiala-Lundström	100	PHP	2024-04-06 20:22:58

#	User	Score	Language	Date
1	Arnar Bjarni Arnarson	100	Prolog	2024-03-13 20:32:07
2	Andriy Zyevakov	95	Prolog	2025-02-21 07:40:07

#	User	Score	Language	Date
1	Clement Oh	100	Ruby	2024-03-13 17:43:21
2	Thomas Feld	100	Ruby	2024-04-02 13:21:52

#	User	Score	Language	Date
1	Kristinn Vikar	100	Rust	2024-02-17 13:11:06
2	Frank Endriss	100	Rust	2024-06-17 11:15:29
3	Kalle Vigren	100	Rust	2024-06-26 12:49:42
4	Bas Dirks	100	Rust	2025-01-18 18:21:19
5	Ming Kang	100	Rust	2025-06-04 05:31:01

#	User	Score	Language	Date
1	Frodi Karlsson	10	TypeScript	2024-05-10 15:13:39

#	User	Score	Language	Date
1	Hidden user	100	Zig	2024-07-06 20:28:35

#	User	Runtime	Language	Date
1	Luna Artemis Midttun Hukkelberg	0.01 s	Bash	2024-07-25 22:09:41
2	Chenzhang Hu	0.01 s	Bash	2025-09-12 21:58:55

#	User	Runtime	Language	Date
1	Eyleifur Bjarkason	0.00 s	C	2024-08-07 00:57:19
2	Mirel Cosulschi	0.00 s	C	2024-10-04 19:05:31
3	Yuen Wei Hao	0.00 s	C	2025-02-08 08:37:30
4	Birger Lundin	0.00 s	C	2025-12-19 12:14:44

#	User	Runtime	Language	Date
1	traxex	0.04 s	C#	2024-05-25 22:16:05

#	User	Runtime	Language	Date
1	Norbert Voelker	0.00 s	Go	2024-03-27 18:44:00

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2024-03-10 20:18:59
2	Brent Yorgey	0.01 s	Haskell	2024-03-10 01:13:48
3	Atli Fannar Franklín	0.01 s	Haskell	2024-03-10 12:53:44
4	Hidden user	0.01 s	Haskell	2024-03-12 15:25:34

#	User	Runtime	Language	Date
1	Stela Palii	0.04 s	Java	2025-01-07 01:24:03
2	Hidden user	0.04 s	Java	2025-05-24 15:47:45
3	Ranjith M	0.04 s	Java	2025-11-23 18:54:42
4	Ben Cobb	0.05 s	Java	2024-03-17 21:59:14
5	Issa Issack	0.05 s	Java	2024-04-29 22:29:17
6	Raymond Arrington	0.05 s	Java	2024-06-26 20:34:59
7	Sven Rönnbäck	0.06 s	Java	2024-03-29 21:54:49
8	Love Engman	0.07 s	Java	2024-03-26 14:20:09
9	Oliver Beckon	0.09 s	Java	2024-07-27 19:08:44
10	Ronas Jacob Coban Olsen	0.09 s	Java	2024-07-29 13:31:34

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2024-03-09 18:38:55
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2024-04-08 09:30:22

#	User	Runtime	Language	Date
1	Adam Rankin	0.23 s	Kotlin	2026-01-13 02:26:10

#	User	Runtime	Language	Date
1	Javier Gómez Díaz	0.00 s	Perl	2025-10-18 19:10:39

#	User	Runtime	Language	Date
1	Renate Fiala-Lundström	0.01 s	PHP	2024-04-06 20:22:58

#	User	Runtime	Language	Date
1	Arnar Bjarni Arnarson	0.02 s	Prolog	2024-03-13 20:32:07

#	User	Runtime	Language	Date
1	Matthijs Schrijvers	0.04 s	Python 3	2024-09-08 11:21:13
2	Aiden Evans	0.04 s	Python 3	2024-09-12 21:01:07
3	Logan Pipes	0.04 s	Python 3	2024-09-22 21:05:57
4	Joacim Norlén	0.04 s	Python 3	2024-09-28 12:55:52
5	Ahmed Chamseddine	0.04 s	Python 3	2024-10-05 22:37:36
6	Hidden user	0.04 s	Python 3	2024-10-08 20:15:08
7	Oliver Howe	0.04 s	Python 3	2024-10-18 01:20:26
8	Andreas Björklund	0.04 s	Python 3	2024-10-23 18:51:05
9	Hidden user	0.04 s	Python 3	2024-10-26 22:25:01
10	Sofia Escamilla González	0.04 s	Python 3	2024-10-28 03:29:13

#	User	Runtime	Language	Date
1	Clement Oh	0.06 s	Ruby	2024-03-13 17:44:22
2	Thomas Feld	0.06 s	Ruby	2024-04-02 13:21:52

#	User	Runtime	Language	Date
1	Kristinn Vikar	0.00 s	Rust	2024-02-17 13:11:06
2	Frank Endriss	0.00 s	Rust	2024-06-17 11:15:29
3	Kalle Vigren	0.00 s	Rust	2024-06-26 12:49:42
4	Bas Dirks	0.00 s	Rust	2025-01-18 18:21:19
5	Ming Kang	0.00 s	Rust	2025-06-04 05:31:01

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Zig	2024-07-06 20:28:35

#	User	Length	Language	Date
1	Chenzhang Hu	25	Bash	2025-09-12 21:58:55
2	Luna Artemis Midttun Hukkelberg	63	Bash	2024-07-25 22:52:44

#	User	Length	Language	Date
1	Birger Lundin	392	C	2025-12-19 12:14:44
2	Mirel Cosulschi	531	C	2024-10-04 19:05:31
3	Yuen Wei Hao	856	C	2025-02-08 08:37:30
4	Eyleifur Bjarkason	1934	C	2024-08-07 00:57:19

#	User	Length	Language	Date
1	traxex	244	C#	2024-05-25 22:16:05

#	User	Length	Language	Date
1	Frans Meulenbroeks	167	C++	2024-11-28 18:45:52
2	Shiroy Sattur	230	C++	2025-08-22 15:17:27
3	Nicholas Foo Chuan Le	265	C++	2024-04-02 18:22:05
4	Clement Oh	284	C++	2024-03-13 17:41:02
5	Jesús Pacheco Alonso	284	C++	2024-10-08 10:03:52
6	lora c	333	C++	2026-02-11 14:23:08
7	Vladimir Folunin	348	C++	2025-07-21 17:41:50
8	Alexander Kravberg	381	C++	2024-02-18 22:13:31
9	Hidden user	390	C++	2024-04-29 13:22:51
10	Mikael K Eriksson	395	C++	2024-04-14 20:35:05

#	User	Length	Language	Date
1	Norbert Voelker	488	Go	2024-03-27 18:44:00

#	User	Length	Language	Date
1	Hidden user	173	Haskell	2024-03-12 15:25:34
2	Brent Yorgey	482	Haskell	2024-03-10 01:13:48
3	Atli Fannar Franklín	513	Haskell	2024-03-10 12:53:44
4	Steinar Simonnes	631	Haskell	2024-03-10 20:18:59

#	User	Length	Language	Date
1	Ronas Jacob Coban Olsen	496	Java	2024-07-29 13:31:34
2	Raymond Arrington	607	Java	2024-06-26 20:34:59
3	Stela Palii	673	Java	2025-01-07 01:24:03
4	Oliver Beckon	764	Java	2024-07-27 19:08:44
5	Hidden user	776	Java	2025-05-24 15:47:45
6	Hunter Mullen	800	Java	2025-02-22 21:47:28
7	Love Engman	971	Java	2024-03-26 14:20:09
8	Luke Aldover	998	Java	2025-09-10 02:17:22
9	Mack Wong Yoong Yee	999	Java	2024-03-27 08:48:15
10	Ben Cobb	1050	Java	2024-03-17 21:59:14

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	99	JavaScript (SpiderMonkey)	2024-03-09 18:40:10
2	Christian Pilegaard Cederquist	346	JavaScript (SpiderMonkey)	2024-04-08 09:30:22

#	User	Length	Language	Date
1	Adam Rankin	565	Kotlin	2026-01-13 02:26:10

#	User	Length	Language	Date
1	Javier Gómez Díaz	72	Perl	2025-10-18 19:10:39

#	User	Length	Language	Date
1	Renate Fiala-Lundström	498	PHP	2024-04-06 20:22:58

#	User	Length	Language	Date
1	Arnar Bjarni Arnarson	1717	Prolog	2024-03-13 20:32:07

#	User	Length	Language	Date
1	Millie Lægreid Solem	49	Python 3	2024-07-25 20:32:03
2	Tai Tze Kin	63	Python 3	2024-05-09 20:41:46
3	Si Jie Tan	75	Python 3	2026-01-31 04:15:29
4	June Hoop	78	Python 3	2024-04-02 16:18:33
5	Teikn Smith	86	Python 3	2024-03-27 21:29:50
6	Steven Halim	89	Python 3	2025-01-14 14:53:58
7	Ahmed Chamseddine	92	Python 3	2024-10-05 22:37:36
8	David Aldenbro	93	Python 3	2025-03-03 11:37:00
9	Sverrir Hákon Marteinsson	95	Python 3	2024-03-09 21:13:01
10	Oskar Haarklou Veileborg	104	Python 3	2024-03-11 22:41:24

#	User	Length	Language	Date
1	Thomas Feld	36	Ruby	2024-04-02 13:21:52
2	Clement Oh	92	Ruby	2024-03-13 17:44:22

#	User	Length	Language	Date
1	Bas Dirks	333	Rust	2025-01-18 18:21:19
2	Ming Kang	704	Rust	2025-06-04 05:31:01
3	Frank Endriss	974	Rust	2024-06-17 11:15:29
4	Kalle Vigren	1249	Rust	2024-06-26 12:49:42
5	Kristinn Vikar	1427	Rust	2024-02-17 13:11:06

#	User	Length	Language	Date
1	Hidden user	1176	Zig	2024-07-06 20:28:35

Solution running time distribution