Problem A
Alehouse — Problem Statistics

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Submissions	3550
Accepted submissions	1253
Submission ratio	35.30%
Authors	968
Full solves [?]	744
Full solve Ratio	76.86%

#	User	Runtime	Language	Date
1	Agis Daniels	0.03 s	C	2022-01-17 15:21:42
2	Henrik Oskarsson	0.03 s	C	2025-10-25 23:18:43
3	vance	0.04 s	C	2020-03-10 06:48:01
4	Travis Meade	0.05 s	C	2022-07-22 17:33:32
5	Mirel Cosulschi	0.05 s	C	2024-08-30 16:51:45
6	Alexander Bilde Pedersen	0.05 s	C	2025-03-07 17:23:45
7	Ivan Petrov	0.19 s	C	2019-11-21 07:39:25
8	daimiao chen	0.65 s	C	2024-03-15 21:06:48

#	User	Runtime	Language	Date
1	Ruben Rystedt	0.18 s	C#	2024-11-16 15:49:37
2	Artemy Gavrilov	0.22 s	C#	2024-02-11 21:54:12

#	User	Runtime	Language	Date
1	Brandon Zhang	0.02 s	C++	2021-01-18 09:40:37
2	Agis Daniels	0.02 s	C++	2022-01-17 15:12:24
3	Damjan Polugic	0.03 s	C++	2019-11-22 17:20:25
4	Nicolaj Valsted	0.03 s	C++	2020-03-04 15:57:36
5	Hidden user	0.03 s	C++	2021-01-27 15:50:55
6	Jens Kollberg	0.03 s	C++	2021-11-15 20:38:16
7	Ryan Tan	0.03 s	C++	2023-04-18 13:18:00
8	李连奇	0.03 s	C++	2024-02-01 08:43:48
9	Richard Peng	0.04 s	C++	2019-11-03 17:03:58
10	Atli Fannar Franklín	0.04 s	C++	2019-11-03 19:27:12

#	User	Runtime	Language	Date
1	Frank Endriss	0.26 s	Go	2022-01-02 16:30:33

#	User	Runtime	Language	Date
1	Matthew Craven	0.41 s	Haskell	2021-01-24 21:06:07
2	Steinar Simonnes	0.45 s	Haskell	2025-09-19 14:35:20
3	Agus Sentosa Hermawan	0.54 s	Haskell	2020-01-02 02:44:43

#	User	Runtime	Language	Date
1	Henrik Oskarsson	0.13 s	Java	2025-10-25 22:19:55
2	Sven Rönnbäck	0.15 s	Java	2023-05-06 15:08:29
3	Dylan Smith	0.28 s	Java	2021-10-24 17:56:34
4	Bjørn Dons	0.36 s	Java	2020-06-10 19:15:50
5	Roy Yue	0.37 s	Java	2021-10-23 20:12:53
6	Hidden user	0.38 s	Java	2026-02-19 05:22:02
7	Alex Lind	0.39 s	Java	2019-11-05 15:11:09
8	Arup Ratan Guha	0.39 s	Java	2021-01-19 04:18:54
9	Shubham Bhargava	0.39 s	Java	2021-01-24 16:31:03
10	Kevin Lim Yong Shen	0.39 s	Java	2021-05-29 07:08:44

#	User	Runtime	Language	Date
1	Thomas barth	0.41 s	JavaScript (Node.js)	2026-01-31 11:01:24

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.18 s	JavaScript (SpiderMonkey)	2024-10-02 18:07:49

#	User	Runtime	Language	Date
1	Hidden user	0.69 s	Julia	2025-04-12 05:46:25

#	User	Runtime	Language	Date
1	Nicholas Johnson	0.50 s	Kotlin	2020-03-12 04:13:52
2	Jacob Huebner	0.53 s	Kotlin	2022-03-24 03:05:29
3	Adam Rankin	0.94 s	Kotlin	2023-09-25 04:15:36
4	Danny Mittal	1.15 s	Kotlin	2021-01-24 22:10:51
5	Santiago Rivas	1.16 s	Kotlin	2024-09-22 07:20:23
6	Sivert Paulsen	1.38 s	Kotlin	2026-02-02 17:31:36

#	User	Runtime	Language	Date
1	Troels Bjerre Lund	0.11 s	Python 2	2019-11-16 20:24:37
2	Hidden user	0.11 s	Python 2	2019-11-21 23:19:39
3	Andreas Björklund	0.41 s	Python 2	2019-11-05 17:26:39
4	Måns Magnusson	0.54 s	Python 2	2020-09-03 19:09:10
5	Maj Stenmark	0.57 s	Python 2	2019-11-10 09:17:31
6	Lars Åström	0.59 s	Python 2	2019-11-10 09:25:48
7	Åke Wettergren	0.59 s	Python 2	2019-11-10 15:52:44
8	Oskar Haarklou Veileborg	0.61 s	Python 2	2019-11-14 07:41:51
9	Ryan Yoshida	0.69 s	Python 2	2019-11-03 22:52:06

#	User	Runtime	Language	Date
1	Petr	0.10 s	Python 3	2025-07-09 13:01:57
2	Ba Huy Pham	0.11 s	Python 3	2026-01-25 13:10:05
3	Hidden user	0.11 s	Python 3	2026-02-17 08:31:31
4	Jonas Sirkka Østenstad	0.12 s	Python 3	2026-02-02 21:46:18
5	Yong Mao	0.13 s	Python 3	2022-09-21 19:53:29
6	Mark Ni	0.14 s	Python 3	2021-01-16 19:33:48
7	Vincent Tandya	0.14 s	Python 3	2021-04-05 13:56:27
8	Edith Bille Gørtz	0.14 s	Python 3	2024-11-10 13:09:30
9	Tam Keng Hong	0.15 s	Python 3	2024-04-17 06:38:26
10	Magnus Paulsen	0.15 s	Python 3	2026-01-28 20:33:05

#	User	Runtime	Language	Date
1	Thomas Feld	0.93 s	Ruby	2023-07-15 14:26:10

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2024-08-02 12:24:52
2	Ole Vik Lysne	0.02 s	Rust	2024-02-05 00:00:42
3	Daniel Anker Hermansen	0.03 s	Rust	2023-05-28 17:16:10
4	Henrik Oskarsson	0.03 s	Rust	2025-10-25 23:28:26
5	Jørgen Nedregård	0.03 s	Rust	2026-02-03 20:21:19
6	Dustin Ward	0.04 s	Rust	2024-01-28 00:14:10
7	Lars Haukland	0.04 s	Rust	2024-02-01 16:41:38
8	Sebastian Refsnes	0.04 s	Rust	2024-02-03 18:46:07
9	Jonathan Choi	0.04 s	Rust	2024-02-11 03:33:51
10	gard heine kalland	0.04 s	Rust	2024-02-17 10:59:16

#	User	Length	Language	Date
1	Travis Meade	850	C	2022-07-22 17:33:32
2	Mirel Cosulschi	1001	C	2024-08-30 16:51:45
3	Agis Daniels	1005	C	2022-01-17 15:21:42
4	Alexander Bilde Pedersen	1128	C	2025-03-07 17:23:45
5	daimiao chen	1291	C	2024-03-15 21:02:03
6	vance	2015	C	2020-03-10 06:48:01
7	Henrik Oskarsson	2431	C	2025-10-25 23:25:06
8	Ivan Petrov	5250	C	2019-11-21 07:39:25

#	User	Length	Language	Date
1	Ruben Rystedt	847	C#	2024-11-16 15:49:37
2	Artemy Gavrilov	1640	C#	2024-02-11 21:54:12

#	User	Length	Language	Date
1	Lee Zheng Han	361	C++	2022-12-04 10:52:24
2	Kjetil Berg	391	C++	2024-02-22 21:50:19
3	Adhish Kancharla	415	C++	2020-11-23 06:31:17
4	Dmitry Lyubshin	431	C++	2023-03-31 13:23:02
5	Johan Wind	436	C++	2021-03-19 21:24:32
6	Lorena Hantig	443	C++	2021-01-22 09:53:17
7	Hidden user	449	C++	2026-01-07 06:10:02
8	Hyunjun Lee	461	C++	2022-11-09 06:51:57
9	Marc Vinyals	468	C++	2019-11-02 12:03:58
10	Zijian Zhou	468	C++	2021-04-07 09:41:38

#	User	Length	Language	Date
1	Frank Endriss	2212	Go	2022-01-02 16:30:33

#	User	Length	Language	Date
1	Steinar Simonnes	474	Haskell	2024-02-04 10:42:01
2	Matthew Craven	1008	Haskell	2021-01-24 21:06:07
3	Agus Sentosa Hermawan	1307	Haskell	2020-01-02 02:44:43

#	User	Length	Language	Date
1	CommeMoi	763	Java	2022-12-29 12:05:02
2	Ebaad Imran	797	Java	2021-10-23 19:18:06
3	Danniel Alcantara	802	Java	2024-02-07 08:32:39
4	Nathan Fowler	945	Java	2021-10-25 18:14:03
5	Charles Lyu	949	Java	2019-11-03 20:38:28
6	William Zhang	1000	Java	2021-10-23 20:59:26
7	Jessica Shoemaker	1003	Java	2021-10-23 19:06:33
8	Crystal Sharpe	1032	Java	2020-05-08 14:41:35
9	Paul Devlin	1098	Java	2019-11-03 20:12:46
10	Robert Slutsky	1100	Java	2023-03-21 19:57:29

#	User	Length	Language	Date
1	Thomas barth	690	JavaScript (Node.js)	2026-01-31 11:01:24

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	573	JavaScript (SpiderMonkey)	2024-10-02 18:07:49

#	User	Length	Language	Date
1	Hidden user	230	Julia	2025-04-12 06:11:24

#	User	Length	Language	Date
1	Adam Rankin	588	Kotlin	2023-09-25 04:15:36
2	Jacob Huebner	827	Kotlin	2020-02-29 05:21:14
3	Sivert Paulsen	837	Kotlin	2026-02-02 17:31:36
4	Nicholas Johnson	1261	Kotlin	2020-03-12 04:13:52
5	Danny Mittal	1622	Kotlin	2021-01-24 22:10:51
6	Santiago Rivas	1991	Kotlin	2024-09-22 07:20:23

#	User	Length	Language	Date
1	Andreas Björklund	365	Python 2	2019-11-05 17:26:39
2	Maj Stenmark	394	Python 2	2019-11-10 09:17:31
3	Måns Magnusson	394	Python 2	2020-09-03 19:09:10
4	Lars Åström	457	Python 2	2019-11-10 09:25:48
5	Åke Wettergren	457	Python 2	2019-11-10 15:52:44
6	Oskar Haarklou Veileborg	566	Python 2	2019-11-14 07:41:51
7	Troels Bjerre Lund	678	Python 2	2019-11-16 20:24:37
8	Hidden user	750	Python 2	2019-11-21 23:19:39
9	Ryan Yoshida	1159	Python 2	2019-11-03 22:52:06

#	User	Length	Language	Date
1	Benjamin Z White	133	Python 3	2023-07-13 21:34:45
2	Kristian Sørdal	143	Python 3	2024-02-04 12:32:59
3	Iman Khodadi	192	Python 3	2024-08-22 16:46:44
4	Carina Seidel	216	Python 3	2026-02-03 15:32:01
5	Simen Sørensen	216	Python 3	2026-02-03 18:33:33
6	Mohammad Hashemi	238	Python 3	2020-05-08 13:55:22
7	Tapisar Singh	238	Python 3	2021-10-23 19:40:27
8	Fabian Frich	239	Python 3	2026-01-30 23:17:05
9	Nikolaj Munk Binder Jensen	243	Python 3	2025-03-07 17:50:44
10	Felix Anthonisen	257	Python 3	2026-02-03 17:00:10

#	User	Length	Language	Date
1	Thomas Feld	93	Ruby	2023-07-15 14:27:06

#	User	Length	Language	Date
1	Jørn Lode	890	Rust	2019-11-02 16:58:04
2	Dustin Ward	909	Rust	2024-01-28 00:14:10
3	Ole Vik Lysne	1022	Rust	2024-01-31 22:46:39
4	gard heine kalland	1066	Rust	2024-02-17 16:11:59
5	Lars Haukland	1188	Rust	2024-02-02 13:39:43
6	Jørgen Nedregård	1229	Rust	2026-02-03 20:21:19
7	Hidden user	2130	Rust	2025-03-07 22:05:54
8	Jonathan Choi	2880	Rust	2024-02-11 03:33:51
9	Henrik Oskarsson	2948	Rust	2025-10-25 23:28:26
10	Sebastian Refsnes	3829	Rust	2024-02-03 18:46:07

Solution running time distribution