Problem B
Lost Lineup — Problem Statistics

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Submissions	7431
Accepted submissions	4474
Submission ratio	60.21%
Authors	4031
Full solves [?]	3819
Full solve Ratio	94.74%

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	APL	2023-04-27 08:29:02

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-09-05 14:01:11
2	Thomas Feld	0.07 s	Bash	2023-09-28 13:55:36
3	Chenzhang Hu	0.08 s	Bash	2023-09-26 14:02:07

#	User	Runtime	Language	Date
1	Mads Jespersen	0.02 s	C#	2019-10-27 22:03:05
2	Henrik Hallbert	0.02 s	C#	2019-10-30 20:25:18
3	Thomas Norris	0.02 s	C#	2019-11-01 16:10:05
4	Patrik Rydén	0.02 s	C#	2019-11-03 13:37:58
5	Michael Palkovics	0.02 s	C#	2019-11-10 11:48:44
6	Sebastian Gielinger	0.02 s	C#	2019-12-03 09:12:48
7	Max Tegnebo	0.02 s	C#	2019-12-12 16:12:54
8	Andreas Carlsson	0.02 s	C#	2020-04-04 11:51:42
9	Joshua Jacoby	0.02 s	C#	2020-04-07 03:10:11
10	Abhishek Gupta	0.02 s	C#	2020-08-17 16:40:59

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Common Lisp	2020-03-13 12:30:44
2	David Cawthon	0.01 s	Common Lisp	2020-07-17 01:52:18

#	User	Runtime	Language	Date
1	Jesper Bengtson	0.05 s	F#	2021-02-06 09:36:09
2	Hidden user	0.05 s	F#	2021-02-09 13:57:49
3	Patrick Bahr	0.05 s	F#	2021-02-19 20:14:33
4	Jacob Harris Cryer Kragh	0.05 s	F#	2022-06-08 17:35:28

#	User	Runtime	Language	Date
1	Husain Satan	0.00 s	Go	2023-12-04 03:18:59
2	Hidden user	0.02 s	Go	2023-04-20 22:37:59
3	Fahmi Ardhianto	0.08 s	Go	2020-08-26 06:38:15
4	Krzysztof Gibuła	0.08 s	Go	2021-04-15 19:10:10
5	Norbert Voelker	0.08 s	Go	2021-04-17 20:47:38
6	Hidden user	0.08 s	Go	2021-12-17 08:47:25

#	User	Runtime	Language	Date
1	Nicholas Marsh	0.00 s	Haskell	2022-09-19 11:54:53
2	Sondre Lunde	0.00 s	Haskell	2022-11-10 07:42:13
3	Sebastian Banert	0.00 s	Haskell	2023-09-18 16:21:14
4	Mason Barnhill	0.00 s	Haskell	2023-10-18 22:07:38
5	Rudy Matela	0.00 s	Haskell	2024-05-03 08:52:05
6	Joe Little	0.00 s	Haskell	2024-09-20 10:42:43
7	Asbjørn Olav Orvedal	0.00 s	Haskell	2024-10-10 10:46:51
8	Bernardo Brust	0.00 s	Haskell	2025-07-28 21:46:31
9	Trung Do	0.00 s	Haskell	2025-12-11 06:41:11
10	Hidden user	0.01 s	Haskell	2019-10-27 09:25:55

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.04 s	Java	2025-01-21 08:17:26
2	Lee Heng Sheng	0.05 s	Java	2024-04-28 02:43:53
3	Felix Andersen	0.06 s	Java	2020-07-18 09:24:21
4	Sven Rönnbäck	0.06 s	Java	2021-12-24 10:57:11
5	Zhou Long	0.06 s	Java	2022-07-26 19:43:09
6	Rowan	0.06 s	Java	2022-09-19 20:41:53
7	Vashista Basava	0.06 s	Java	2024-08-15 10:44:45
8	CUX "INDIO" PRADA	0.06 s	Java	2024-10-08 19:22:10
9	Tarek	0.06 s	Java	2025-09-11 04:20:12
10	Theodoric Keith Lim	0.07 s	Java	2020-05-30 04:50:53

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	JavaScript (Node.js)	2024-08-22 21:52:15
2	Elias Murcray	0.04 s	JavaScript (Node.js)	2025-10-24 22:10:17
3	Redho Darmawan	0.05 s	JavaScript (Node.js)	2024-04-23 00:51:23
4	Hidden user	0.40 s	JavaScript (Node.js)	2019-11-02 21:30:07
5	Chris Wong	0.41 s	JavaScript (Node.js)	2021-02-02 23:17:27
6	Nick Ivanov	0.42 s	JavaScript (Node.js)	2020-03-07 00:46:53
7	John	0.42 s	JavaScript (Node.js)	2020-07-28 03:21:07
8	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-04 10:16:35
9	Antoine Bauri	0.42 s	JavaScript (Node.js)	2021-02-16 17:38:37

#	User	Runtime	Language	Date
1	Natali Kim	0.02 s	JavaScript (SpiderMonkey)	2020-09-30 00:57:18
2	Lucas Silva	0.02 s	JavaScript (SpiderMonkey)	2020-09-30 00:57:48
3	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2022-11-09 15:39:07
4	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-06-07 16:27:04
5	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-06-16 19:06:07
6	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2019-10-27 20:18:56
7	Nicklas Utgaard	0.03 s	JavaScript (SpiderMonkey)	2019-10-31 19:23:30
8	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-01-17 08:29:28

#	User	Runtime	Language	Date
1	Hidden user	0.39 s	Julia	2025-02-23 13:54:00
2	Danny Robinson	0.65 s	Julia	2023-09-05 13:47:24
3	Timothy Gaede	0.67 s	Julia	2024-03-31 04:50:55

#	User	Runtime	Language	Date
1	Sam Keyser	0.12 s	Kotlin	2023-02-24 20:21:09
2	Jacob Huebner	0.13 s	Kotlin	2021-10-13 19:01:38
3	Nicholas Johnson	0.13 s	Kotlin	2021-10-14 21:10:31
4	Marit van Dijk	0.15 s	Kotlin	2021-09-16 18:34:56
5	Hidden user	0.17 s	Kotlin	2019-12-20 11:09:35
6	Dayan Ruben Gonzalez	0.17 s	Kotlin	2020-10-07 17:40:34
7	Ola Sundell	0.18 s	Kotlin	2020-08-19 14:49:44
8	Adam Rankin	0.19 s	Kotlin	2023-08-28 04:28:00
9	Terairk	0.19 s	Kotlin	2023-11-27 11:17:42
10	Ravisai Tiruvuri	0.19 s	Kotlin	2024-03-12 09:12:26

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	OCaml	2023-12-28 16:41:46

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2019-12-19 20:16:07
2	David Connolly	0.00 s	Pascal	2022-04-05 12:32:35
3	Hobert Ho	0.00 s	Pascal	2022-07-21 10:37:12

#	User	Runtime	Language	Date
1	Denis BAURAIN	0.00 s	Perl	2025-12-29 10:16:09

#	User	Runtime	Language	Date
1	Jonas Lindenskov Nielsen	0.01 s	PHP	2019-10-28 20:34:01
2	陳建宏	0.01 s	PHP	2021-06-11 16:33:05
3	Renate	0.01 s	PHP	2021-07-07 01:16:36
4	Andre Wahyudi	0.01 s	PHP	2022-10-18 04:38:57

#	User	Runtime	Language	Date
1	Hasan Kalzi	0.02 s	Python 2	2022-06-18 09:42:58
2	Thomas Feld	0.03 s	Python 2	2019-10-30 12:09:51
3	Johan Lyts	0.03 s	Python 2	2019-10-31 21:15:40
4	Andreas Björklund	0.03 s	Python 2	2019-11-16 12:27:31
5	Hidden user	0.03 s	Python 2	2019-11-22 01:10:45
6	Conor McCauley	0.03 s	Python 2	2019-11-24 23:36:41
7	Justin Su	0.03 s	Python 2	2019-11-28 16:19:43
8	Guan Yang Ze	0.03 s	Python 2	2020-03-18 10:09:47
9	Maj Stenmark	0.03 s	Python 2	2020-03-29 17:11:53
10	Andrei Stoica	0.03 s	Python 2	2020-07-29 21:08:51

#	User	Runtime	Language	Date
1	Steven Hwang	0.02 s	Python 3	2019-10-26 16:08:10
2	Charles Hanson	0.02 s	Python 3	2019-10-26 16:09:02
3	Grayden Price	0.02 s	Python 3	2019-10-26 16:14:28
4	Jordan Newport	0.02 s	Python 3	2019-10-26 16:16:39
5	Adam Beziou	0.02 s	Python 3	2019-10-26 16:17:38
6	Mahmud Azam	0.02 s	Python 3	2019-10-26 16:21:52
7	Kieran Lewis	0.02 s	Python 3	2019-10-26 16:24:17
8	Jason Cannon	0.02 s	Python 3	2019-10-26 16:24:40
9	Aaron Chan	0.02 s	Python 3	2019-10-26 16:30:08
10	Johnathon Henke	0.02 s	Python 3	2019-10-26 16:31:49

#	User	Runtime	Language	Date
1	Donald Dong	0.05 s	Ruby	2021-02-23 05:22:28
2	Loke Gustafsson	0.05 s	Ruby	2021-02-24 09:30:13
3	Troy Sornson	0.05 s	Ruby	2022-01-19 23:20:26
4	TobiasZ	0.05 s	Ruby	2022-01-25 20:36:07
5	Thomas Feld	0.06 s	Ruby	2022-11-01 22:29:09
6	Eugen Neagoe	0.06 s	Ruby	2023-06-08 13:06:06
7	Russell Ng	0.07 s	Ruby	2025-05-24 07:32:28

#	User	Runtime	Language	Date
1	Piotrek Wasilewski	0.04 s	TypeScript	2025-12-20 21:11:01

#	User	Length	Language	Date
1	Thomas Feld	38	APL	2023-04-27 08:31:48

#	User	Length	Language	Date
1	Chenzhang Hu	38	Bash	2025-09-12 19:40:48
2	Thomas Feld	47	Bash	2023-09-28 13:55:36
3	Danny Robinson	63	Bash	2023-09-05 14:01:11

#	User	Length	Language	Date
1	Martin Blom	114	C	2023-10-27 09:58:10
2	Eduardo Núñez	156	C	2024-03-17 17:22:56
3	Yoav Farid Pozos	229	C	2021-08-19 23:49:55
4	Miranda Bueno Fatima Yolanda	232	C	2021-08-22 15:30:01
5	Marina	234	C	2024-04-16 16:09:22
6	Alexandru Onofrei	239	C	2024-01-11 11:12:31
7	Adrian Chiriac	240	C	2023-12-22 13:43:02
8	Walter Arredondo	254	C	2025-01-10 02:45:03
9	Ximun Castoreo	256	C	2020-07-06 11:59:16
10	Juan Trilnardo Defrin	259	C	2020-09-18 11:31:46

#	User	Length	Language	Date
1	Anthony Ye	377	C#	2023-03-12 16:51:34
2	Thomas Norris	429	C#	2019-11-01 16:10:05
3	Esty Crow	438	C#	2023-03-12 16:39:02
4	Tran Hoang Phuc	567	C#	2021-03-30 09:14:23
5	Sebastian Sternberg	594	C#	2021-02-02 17:32:59
6	Göran Andersson	640	C#	2022-05-08 12:15:01
7	Victor Hultén Mattsson	647	C#	2022-02-08 11:08:45
8	Sebastian Gielinger	670	C#	2019-12-03 09:12:48
9	Eric Weiss	677	C#	2022-06-22 19:41:30
10	Patrik Rydén	696	C#	2019-11-03 13:37:58

#	User	Length	Language	Date
1	Joash Ong	141	C++	2024-06-12 04:04:37
2	Hakan Kjellerstrand	174	C++	2025-02-28 19:47:29
3	Jonas Rouven Schoenauer	185	C++	2023-10-23 17:44:35
4	高一3薛年成	188	C++	2024-06-21 12:40:08
5	huangshiyu0318	191	C++	2023-05-26 01:42:02
6	李昕	202	C++	2022-10-16 06:25:16
7	黃子恩	202	C++	2022-11-04 16:25:13
8	岑。・ω・。	206	C++	2023-11-15 11:48:46
9	蘇子甯J106 25	206	C++	2025-06-14 02:00:33
10	陳柏余	209	C++	2022-10-16 03:10:21

#	User	Length	Language	Date
1	Hidden user	268	Common Lisp	2020-03-13 12:30:44
2	David Cawthon	381	Common Lisp	2020-07-17 01:52:18

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	418	F#	2022-06-08 17:35:28
2	Patrick Bahr	1887	F#	2021-02-19 20:14:33
3	Jesper Bengtson	2212	F#	2025-02-07 14:01:07
4	Hidden user	3802	F#	2021-02-09 13:57:49

#	User	Length	Language	Date
1	Fahmi Ardhianto	313	Go	2020-08-26 06:38:15
2	Hidden user	408	Go	2021-12-17 08:47:25
3	Krzysztof Gibuła	422	Go	2021-04-15 19:10:10
4	Hidden user	483	Go	2023-04-20 22:37:59
5	Husain Satan	583	Go	2023-12-04 03:18:59
6	Norbert Voelker	792	Go	2021-04-17 20:47:38

#	User	Length	Language	Date
1	Rudy Matela	105	Haskell	2024-05-03 08:52:05
2	Sebastian Banert	177	Haskell	2023-09-18 16:21:14
3	Steinar Simonnes	183	Haskell	2024-01-19 13:22:45
4	Mason Barnhill	187	Haskell	2023-10-18 22:07:12
5	Trung Do	196	Haskell	2025-12-14 15:18:51
6	Maya Saietz	202	Haskell	2020-11-13 15:21:24
7	Li Jun	207	Haskell	2023-06-21 09:16:49
8	Scott Dauer	218	Haskell	2022-04-07 01:34:49
9	Jan Hrček	241	Haskell	2020-10-19 08:46:49
10	Sondre Lunde	250	Haskell	2022-11-10 07:42:13

#	User	Length	Language	Date
1	Hidden user	272	Java	2023-09-20 19:47:20
2	Eric Xu	313	Java	2020-08-14 20:28:55
3	Brennan Cleland	321	Java	2022-11-20 06:14:24
4	Lim Ting Kai	339	Java	2024-01-10 02:47:00
5	Prakash Varman	346	Java	2022-12-29 08:25:06
6	yixu liu	357	Java	2023-09-24 22:00:04
7	Anton Sandin	372	Java	2022-05-18 13:26:29
8	Aidan Briggs	376	Java	2022-02-17 14:57:29
9	Nate Alden	378	Java	2020-01-20 05:59:24
10	Anita Furtado	379	Java	2021-10-10 04:02:55

#	User	Length	Language	Date
1	Elias Murcray	336	JavaScript (Node.js)	2025-10-24 22:10:17
2	Hidden user	421	JavaScript (Node.js)	2019-11-02 21:30:07
3	Antoine Bauri	433	JavaScript (Node.js)	2021-02-16 17:38:37
4	Chris Wong	509	JavaScript (Node.js)	2021-02-02 23:17:27
5	Redho Darmawan	702	JavaScript (Node.js)	2024-04-23 00:51:23
6	Hidden user	708	JavaScript (Node.js)	2023-08-25 23:35:13
7	Nick Ivanov	815	JavaScript (Node.js)	2020-03-07 00:46:53
8	Andoko Chandra	931	JavaScript (Node.js)	2020-10-04 10:16:35
9	John	1013	JavaScript (Node.js)	2020-07-28 03:21:07

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	76	JavaScript (SpiderMonkey)	2022-11-09 15:43:08
2	Jimmy Gustafsson	116	JavaScript (SpiderMonkey)	2024-06-16 19:06:07
3	Peter Menyes	168	JavaScript (SpiderMonkey)	2021-01-17 08:29:28
4	Bjørn Chr. Soltvedt	215	JavaScript (SpiderMonkey)	2019-10-27 20:18:56
5	Natali Kim	242	JavaScript (SpiderMonkey)	2020-09-30 00:57:18
6	Lucas Silva	244	JavaScript (SpiderMonkey)	2020-09-30 00:57:48
7	Zach Tschetter	313	JavaScript (SpiderMonkey)	2023-06-07 16:27:04
8	Nicklas Utgaard	424	JavaScript (SpiderMonkey)	2019-10-31 19:23:30

#	User	Length	Language	Date
1	Danny Robinson	97	Julia	2023-09-05 14:23:57
2	Hidden user	120	Julia	2025-02-23 13:54:00
3	Timothy Gaede	926	Julia	2024-03-31 04:50:55

#	User	Length	Language	Date
1	Dayan Ruben Gonzalez	264	Kotlin	2020-10-07 17:40:34
2	Adam Koprowski	407	Kotlin	2020-09-12 09:17:32
3	Johnny Baloney	412	Kotlin	2021-09-15 21:19:34
4	Troy Warmboe	416	Kotlin	2020-02-06 22:59:30
5	Adam Rankin	608	Kotlin	2023-08-28 04:28:00
6	Sergey Jakobsen	611	Kotlin	2021-06-04 09:55:27
7	Ola Sundell	643	Kotlin	2020-08-19 14:49:44
8	Marit van Dijk	668	Kotlin	2021-09-16 18:34:56
9	Hidden user	679	Kotlin	2019-12-20 11:09:35
10	Sam Keyser	745	Kotlin	2023-02-24 20:21:09

#	User	Length	Language	Date
1	Hidden user	415	OCaml	2023-12-28 16:41:46

#	User	Length	Language	Date
1	Ingemar Ragnemalm	264	Pascal	2019-12-19 20:16:07
2	David Connolly	290	Pascal	2022-04-05 12:32:35
3	Hobert Ho	376	Pascal	2022-07-21 10:37:12

#	User	Length	Language	Date
1	Denis BAURAIN	83	Perl	2025-12-29 10:21:43

#	User	Length	Language	Date
1	Jonas Lindenskov Nielsen	376	PHP	2019-10-28 20:34:01
2	Renate	420	PHP	2021-07-07 01:16:36
3	Andre Wahyudi	489	PHP	2022-10-18 04:38:57
4	陳建宏	1170	PHP	2021-06-11 16:33:05

#	User	Length	Language	Date
1	Andreas Björklund	124	Python 2	2019-11-16 12:27:31
2	Thomas Feld	128	Python 2	2019-10-30 12:09:51
3	Jesper Öqvist	130	Python 2	2019-10-30 15:26:27
4	Conor McCauley	134	Python 2	2019-11-24 23:36:41
5	Hidden user	139	Python 2	2019-11-22 01:10:45
6	Lars Åström	148	Python 2	2019-10-30 08:13:31
7	Guan Yang Ze	157	Python 2	2020-03-18 10:09:47
8	Johan Lyts	174	Python 2	2019-10-31 21:15:40
9	Yanmarshus Bachtiar	185	Python 2	2020-08-18 03:32:35
10	Justin Su	190	Python 2	2019-11-28 16:19:43

#	User	Length	Language	Date
1	Clement Oh	78	Python 3	2023-06-08 16:47:52
2	Dennis Magnusson	79	Python 3	2019-10-28 12:19:48
3	Thomas Meeks	88	Python 3	2022-10-02 00:57:09
4	Charles Ancheta	88	Python 3	2023-03-24 03:53:39
5	Morten Clausen	90	Python 3	2022-10-12 15:06:46
6	Vinh Buu Tang	94	Python 3	2024-08-02 05:53:21
7	Nguyên Khôi Đỗ	94	Python 3	2024-12-27 19:52:51
8	Adam Levav	95	Python 3	2023-01-23 23:33:20
9	Suus Brommer	104	Python 3	2022-06-27 07:54:04
10	Shashank Bhatt	104	Python 3	2023-01-29 04:37:54

#	User	Length	Language	Date
1	Thomas Feld	59	Ruby	2023-01-04 12:17:50
2	Russell Ng	67	Ruby	2025-05-24 07:32:28
3	Eugen Neagoe	142	Ruby	2023-06-08 13:06:06
4	Donald Dong	170	Ruby	2021-02-23 05:22:28
5	Loke Gustafsson	181	Ruby	2021-02-24 09:30:13
6	Troy Sornson	238	Ruby	2022-01-19 23:20:26
7	TobiasZ	251	Ruby	2022-01-25 20:36:07

#	User	Length	Language	Date
1	Vincent Lagerros	378	Rust	2024-12-05 19:40:18
2	Thomas	444	Rust	2022-11-22 19:45:52
3	Oskar Strömberg	520	Rust	2020-10-23 05:03:00
4	Kevin Wang	540	Rust	2021-03-25 20:52:36
5	Théo Neveu	559	Rust	2021-03-25 21:22:09
6	Hidden user	564	Rust	2025-12-30 18:24:31
7	Kok Dith	570	Rust	2021-08-06 09:33:22
8	Baptiste Posseme	571	Rust	2021-03-26 01:54:26
9	David Rasch	578	Rust	2020-11-06 09:51:19
10	Ratel Alexandre	579	Rust	2021-03-23 19:49:30

#	User	Length	Language	Date
1	Piotrek Wasilewski	571	TypeScript	2025-12-20 21:11:01

Solution running time distribution