Problem A
Tram — Problem Statistics

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Submissions	1054
Accepted submissions	591
Submission ratio	56.07%
Authors	485
Full solves [?]	443
Full solve Ratio	91.34%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.26 s	Bash	2023-11-11 09:58:38

#	User	Runtime	Language	Date
1	Sebastian Wilke	0.01 s	C	2020-08-09 19:07:36
2	Caeden Whitaker	0.01 s	C	2021-09-14 23:37:11
3	Eyleifur Bjarkason	0.01 s	C	2023-07-01 15:33:39
4	Bergur Snorrason	0.02 s	C	2020-03-23 17:30:50
5	Jón Steinn Elíasson	0.02 s	C	2020-05-19 13:58:56
6	Le Tan Kim	0.02 s	C	2022-09-30 05:27:12
7	Sambit Palit	0.03 s	C	2020-10-27 04:13:41
8	Brian lua	0.03 s	C	2022-05-19 19:11:03
9	James Christian Ruiz	0.03 s	C	2023-01-06 05:35:25
10	Ivan Petrov	0.05 s	C	2020-03-26 12:47:58

#	User	Runtime	Language	Date
1	Sloth	0.11 s	C#	2020-02-19 19:56:24
2	Hesham Abou Khair	0.14 s	C#	2021-02-24 01:52:56
3	Rami Farran	0.14 s	C#	2021-05-04 19:08:05
4	Ali Aliev	0.14 s	C#	2022-01-06 18:22:11
5	Logan Christopher	0.14 s	C#	2022-07-12 20:39:50
6	Mohamad Ayash	0.15 s	C#	2021-02-23 18:40:17
7	Mohammed Furqan	0.15 s	C#	2021-02-28 21:44:43
8	Khalil Nasser	0.15 s	C#	2021-03-14 12:48:38
9	Chris C	0.15 s	C#	2021-03-14 22:08:34
10	Houssam Damien	0.15 s	C#	2021-03-16 09:09:03

#	User	Runtime	Language	Date
1	Sebastian Wilke	0.01 s	C++	2020-08-09 18:56:56
2	Jakob Mollerup	0.01 s	C++	2021-01-24 22:36:15
3	Jonathan Hallström	0.01 s	C++	2023-09-04 17:34:35
4	Nils Gustafsson	0.02 s	C++	2020-02-19 18:28:38
5	Simon Lindholm	0.02 s	C++	2020-02-19 19:15:47
6	Kevin Lee	0.02 s	C++	2020-02-19 19:18:46
7	Chris Ardiansyah	0.02 s	C++	2020-03-25 10:28:44
8	Harrison Shen	0.02 s	C++	2020-03-26 05:11:37
9	Tomas Lagland	0.02 s	C++	2020-09-19 16:50:03
10	Nicklas Elyoenai Imbiri	0.02 s	C++	2020-10-03 00:43:51

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.19 s	F#	2022-11-20 18:59:36

#	User	Runtime	Language	Date
1	Norbert Voelker	0.17 s	Go	2021-06-12 21:16:46

#	User	Runtime	Language	Date
1	Brent Yorgey	0.03 s	Haskell	2020-03-23 18:14:24
2	Jan Hrček	0.11 s	Haskell	2021-04-03 10:44:34
3	Steinar Simonnes	0.88 s	Haskell	2024-05-27 17:39:05

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.08 s	Java	2022-01-18 19:38:14
2	Samuel Klingström	0.10 s	Java	2020-09-11 12:38:41
3	Aurélien Pepin	0.11 s	Java	2020-04-10 18:03:42
4	Bjørn Dons	0.15 s	Java	2020-04-21 22:22:01
5	Crystal Sharpe	0.29 s	Java	2020-10-31 17:23:48
6	Eric Leow Yu Quan	0.29 s	Java	2020-12-21 04:58:55
7	Ng Yong Xiang	0.29 s	Java	2021-12-03 05:29:04
8	Theodoric Keith Lim	0.30 s	Java	2020-07-05 11:55:32
9	Ly Tien Chu	0.33 s	Java	2021-01-14 03:38:28
10	Jeffrey H.	0.33 s	Java	2023-02-17 05:52:19

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.08 s	JavaScript (SpiderMonkey)	2024-08-29 13:14:40
2	Peter Menyes	0.09 s	JavaScript (SpiderMonkey)	2021-10-14 17:10:16
3	Christian Pilegaard Cederquist	0.09 s	JavaScript (SpiderMonkey)	2023-02-08 12:30:42
4	Bjørn Chr. Soltvedt	0.10 s	JavaScript (SpiderMonkey)	2022-05-24 17:06:36

#	User	Runtime	Language	Date
1	Timothy Gaede	0.69 s	Julia	2025-11-29 05:35:48

#	User	Runtime	Language	Date
1	Björn Holm	0.39 s	Kotlin	2020-02-19 20:09:05
2	Hidden user	0.39 s	Kotlin	2020-04-02 06:11:30
3	Phường Lên	0.44 s	Kotlin	2020-04-02 04:24:14
4	Adam Rankin	0.46 s	Kotlin	2023-08-30 06:26:12
5	Jacob Huebner	0.51 s	Kotlin	2024-09-24 22:12:10
6	Cedrik Aagaard	0.71 s	Kotlin	2020-02-19 19:00:48

#	User	Runtime	Language	Date
1	Zeheng Li	0.03 s	Lua	2023-11-21 00:15:35

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.34 s	Prolog	2023-02-20 16:52:07

#	User	Runtime	Language	Date
1	Yanmarshus Bachtiar	0.06 s	Python 2	2020-09-05 07:53:05
2	Johan Lyts	0.07 s	Python 2	2020-03-24 15:06:53
3	Chaitanya Katpatal	0.08 s	Python 2	2020-02-19 20:13:12
4	Lars Åström	0.09 s	Python 2	2020-03-25 10:34:46
5	Anton Lyxell	0.10 s	Python 2	2020-02-19 19:06:42
6	Andreas Björklund	0.11 s	Python 2	2020-03-24 21:07:40
7	Jonatan Nilsson	0.35 s	Python 2	2020-02-19 18:35:00
8	Björn Magnusson	0.90 s	Python 2	2020-02-19 18:52:33

#	User	Runtime	Language	Date
1	Petr	0.06 s	Python 3	2022-07-23 21:24:06
2	Peter Stauder	0.07 s	Python 3	2022-06-14 06:57:03
3	Thomas Feld	0.07 s	Python 3	2022-08-26 09:46:39
4	Hidden user	0.08 s	Python 3	2020-12-19 09:08:01
5	Lex Janssens	0.08 s	Python 3	2022-08-22 23:28:25
6	Ryan Tan	0.08 s	Python 3	2022-11-01 16:21:27
7	Ram Basnet	0.08 s	Python 3	2023-09-17 06:02:41
8	Jarin Thundathil	0.08 s	Python 3	2025-02-12 02:29:00
9	Dominic Berzin Chua Way Gin	0.08 s	Python 3	2025-04-17 14:04:23
10	Jiaming Kong	0.08 s	Python 3	2025-06-24 10:06:59

#	User	Runtime	Language	Date
1	Thomas Feld	0.34 s	Ruby	2023-01-11 15:40:09
2	Chenzhang Hu	0.63 s	Ruby	2025-09-22 18:03:42

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-05-29 22:17:53
2	Bas Dirks	0.02 s	Rust	2022-03-19 12:47:22

#	User	Runtime	Language	Date
1	Olle Lundmark	0.02 s	Zig	2024-11-05 22:27:57

#	User	Length	Language	Date
1	Chenzhang Hu	40	Bash	2025-09-13 03:36:08

#	User	Length	Language	Date
1	Le Tan Kim	224	C	2022-09-30 05:28:13
2	Jón Steinn Elíasson	225	C	2020-05-19 13:58:56
3	Brian lua	286	C	2022-05-19 19:11:03
4	Sambit Palit	304	C	2020-10-27 04:13:41
5	Caeden Whitaker	331	C	2021-09-14 23:24:18
6	James Christian Ruiz	579	C	2023-01-06 05:35:25
7	Sebastian Wilke	614	C	2020-08-09 19:07:36
8	Julian Duniec	824	C	2023-08-22 15:15:56
9	Ivan Petrov	925	C	2020-03-26 12:47:58
10	Bergur Snorrason	1998	C	2020-03-23 17:33:19

#	User	Length	Language	Date
1	Sloth	469	C#	2020-02-19 19:56:24
2	Logan Christopher	572	C#	2022-07-12 20:39:50
3	Ali Aliev	573	C#	2022-01-06 18:22:11
4	Chris C	618	C#	2021-03-16 09:02:25
5	Houssam Damien	651	C#	2021-03-16 09:09:03
6	Mikael Fiala-Lundström	673	C#	2021-05-22 10:45:54
7	Khalil Nasser	711	C#	2021-03-14 12:48:38
8	Mohamad Ayash	723	C#	2021-02-23 18:40:17
9	Mohammed Furqan	723	C#	2021-02-28 21:44:43
10	Hesham Abou Khair	851	C#	2021-02-24 01:52:56

#	User	Length	Language	Date
1	Đậu Huy Minh	206	C++	2023-11-04 14:12:00
2	Hidden user	209	C++	2020-10-31 17:13:49
3	Matthew Shank	212	C++	2023-10-25 23:59:33
4	Hidden user	214	C++	2022-12-14 16:57:43
5	Reinasya R	215	C++	2023-10-25 02:32:51
6	Nicklas Elyoenai Imbiri	225	C++	2020-10-03 00:43:51
7	Chris C	225	C++	2021-03-14 21:44:01
8	Julian Wardana	225	C++	2021-08-06 05:42:34
9	Yeung Man Tsung	232	C++	2023-01-16 13:28:27
10	Brynjar Geir Sigurðsson	237	C++	2022-03-23 14:18:18

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	422	F#	2022-11-20 18:59:36

#	User	Length	Language	Date
1	Norbert Voelker	1691	Go	2021-06-12 21:16:46

#	User	Length	Language	Date
1	Jan Hrček	697	Haskell	2021-04-03 10:40:54
2	Steinar Simonnes	1365	Haskell	2024-05-27 17:40:12
3	Brent Yorgey	1750	Haskell	2020-03-23 18:14:24

#	User	Length	Language	Date
1	Hidden user	310	Java	2022-06-03 22:27:31
2	chenjia Ni	328	Java	2020-12-06 01:39:53
3	Vincent Tran	336	Java	2021-05-17 18:37:49
4	Jalal Shabo	343	Java	2020-12-06 22:42:29
5	Jared Johnston	356	Java	2024-12-06 21:14:19
6	Carlos Matos	374	Java	2024-12-06 21:56:40
7	Kayden Chung	381	Java	2024-12-06 22:06:20
8	Jooji Rawass	389	Java	2020-12-10 17:54:13
9	Amena Deeb	389	Java	2020-12-10 18:06:29
10	Gabriel Caraballo	411	Java	2021-05-18 05:15:15

#	User	Length	Language	Date
1	Jimmy Gustafsson	72	JavaScript (SpiderMonkey)	2024-08-29 13:14:40
2	Christian Pilegaard Cederquist	74	JavaScript (SpiderMonkey)	2023-02-08 12:32:00
3	Peter Menyes	157	JavaScript (SpiderMonkey)	2021-10-14 17:18:19
4	Bjørn Chr. Soltvedt	187	JavaScript (SpiderMonkey)	2022-05-24 17:06:36

#	User	Length	Language	Date
1	Timothy Gaede	322	Julia	2025-11-29 05:35:48

#	User	Length	Language	Date
1	Adam Rankin	201	Kotlin	2023-08-30 06:26:12
2	Jacob Huebner	257	Kotlin	2024-09-24 22:12:10
3	Cedrik Aagaard	343	Kotlin	2020-02-19 19:00:48
4	Phường Lên	594	Kotlin	2020-04-02 04:24:14
5	Hidden user	752	Kotlin	2020-04-02 06:11:30
6	Björn Holm	2307	Kotlin	2020-02-19 20:09:05

#	User	Length	Language	Date
1	Zeheng Li	121	Lua	2023-11-21 00:15:35

#	User	Length	Language	Date
1	Andriy Zyevakov	656	Prolog	2023-02-20 16:52:07

#	User	Length	Language	Date
1	Lars Åström	107	Python 2	2020-03-25 10:34:46
2	Andreas Björklund	109	Python 2	2020-03-24 21:07:40
3	Johan Lyts	127	Python 2	2020-03-24 15:04:26
4	Yanmarshus Bachtiar	226	Python 2	2020-09-05 07:53:05
5	Chaitanya Katpatal	301	Python 2	2020-02-19 20:13:12
6	Jonatan Nilsson	552	Python 2	2020-02-19 18:35:00
7	Anton Lyxell	626	Python 2	2020-02-19 19:06:42
8	Björn Magnusson	3709	Python 2	2020-02-19 18:52:33

#	User	Length	Language	Date
1	Benjamin Z White	68	Python 3	2023-07-16 17:49:43
2	Clement Oh	73	Python 3	2023-06-22 07:51:25
3	Lee Isaac	80	Python 3	2022-11-12 21:09:19
4	Thomas Feld	87	Python 3	2022-08-26 09:32:42
5	Thibault Raffaillac	96	Python 3	2024-08-03 13:04:17
6	Timothy Baeckelant	98	Python 3	2024-04-13 23:01:52
7	Oskar Haarklou Veileborg	103	Python 3	2020-04-21 12:34:59
8	Yong Mao	103	Python 3	2022-11-08 00:30:48
9	M Base 2	104	Python 3	2021-12-18 15:57:44
10	Mukerem Ali Nur	104	Python 3	2022-08-23 18:24:54

#	User	Length	Language	Date
1	Thomas Feld	43	Ruby	2023-01-11 15:40:09
2	Chenzhang Hu	133	Ruby	2025-09-22 18:03:42

#	User	Length	Language	Date
1	Bas Dirks	453	Rust	2022-03-19 12:47:22
2	Vincent Lagerros	14372	Rust	2024-08-25 03:29:06

#	User	Length	Language	Date
1	Olle Lundmark	982	Zig	2024-11-05 22:27:57

Solution running time distribution