Problem A
Bank Queue — Problem Statistics

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Submissions	23230
Accepted submissions	6601
Submission ratio	28.42%
Authors	5831
Full solves [?]	4860
Full solve Ratio	83.35%

#	User	Runtime	Language	Date
1	Johannes Vischer	0.02 s	C#	2017-03-24 22:39:03
2	Ryan Welling	0.02 s	C#	2017-03-25 03:09:56
3	Rachel Hoffman	0.02 s	C#	2017-11-11 22:55:17
4	Michael Sorger	0.02 s	C#	2018-03-15 21:16:20
5	Benjamin Allred	0.02 s	C#	2018-03-17 06:05:41
6	Joseph Connor Eccleston	0.02 s	C#	2018-03-18 00:20:38
7	Angel Dhungana	0.02 s	C#	2018-10-30 18:41:13
8	Hidden user	0.02 s	C#	2018-10-31 02:03:44
9	Zachary Stroud	0.02 s	C#	2018-11-02 15:22:19
10	Jiwon Nam	0.02 s	C#	2018-11-03 22:06:12

#	User	Runtime	Language	Date
1	Drake Schram	0.01 s	Fortran	2025-02-20 01:16:26

#	User	Runtime	Language	Date
1	Jonas Mittnacht	0.01 s	Go	2024-02-13 20:33:46
2	Adam Engsig	0.02 s	Go	2023-05-11 11:03:15
3	Krzysztof Gibuła	0.07 s	Go	2019-03-16 22:56:52
4	Richard	0.07 s	Go	2019-03-21 21:00:54
5	Jacob Barzee	0.08 s	Go	2018-11-03 03:45:01
6	Caleb Young	0.08 s	Go	2019-11-01 22:54:47
7	Péter Szakszon	0.08 s	Go	2021-12-16 17:31:31
8	Vilhelm Melkstam	0.08 s	Go	2022-02-17 14:33:18
9	Andrew Yang	0.09 s	Go	2017-03-23 18:27:14
10	Alex Tingey	0.09 s	Go	2020-03-24 19:12:20

#	User	Runtime	Language	Date
1	Fumiaki Takagi	0.01 s	Haskell	2023-02-14 08:55:34
2	Scott Dauer	0.03 s	Haskell	2021-12-11 03:42:00
3	Hidden user	0.03 s	Haskell	2022-08-14 10:54:05
4	Michał Grygierzec	0.04 s	Haskell	2016-10-20 21:41:31
5	Joe Wesemann	0.05 s	Haskell	2016-11-03 13:04:46
6	Mason Barnhill	0.05 s	Haskell	2023-05-09 01:46:10
7	Frederik Haagensen	0.06 s	Haskell	2019-08-25 11:58:13
8	Patrick Bahr	0.11 s	Haskell	2018-11-24 14:45:31
9	Steinar Simonnes	0.17 s	Haskell	2025-01-23 15:41:58

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.06 s	Java	2024-12-30 06:00:09
2	Charlie Zheng	0.07 s	Java	2018-10-11 03:34:26
3	Jimmy Dinh	0.07 s	Java	2023-01-26 15:42:05
4	Kol Greenbaum	0.07 s	Java	2023-01-27 03:30:28
5	Nick Porter	0.08 s	Java	2016-10-31 08:27:14
6	Abel Zajzon	0.08 s	Java	2023-02-03 02:23:50
7	Tú Thanh	0.09 s	Java	2015-09-25 06:32:35
8	Đỗ Duy Tân	0.09 s	Java	2015-09-25 06:33:27
9	Calvin Chhour	0.09 s	Java	2016-11-05 20:50:12
10	Sikandar Bakht	0.09 s	Java	2021-02-12 21:32:21

#	User	Runtime	Language	Date
1	Hallvard Braaten	0.08 s	JavaScript (Node.js)	2019-04-06 00:10:20
2	Jackson Cooper	0.21 s	JavaScript (Node.js)	2022-10-11 05:54:44
3	Ricardo	0.46 s	JavaScript (Node.js)	2020-10-22 12:18:49
4	Stephanie Keck	0.48 s	JavaScript (Node.js)	2020-02-18 08:27:25
5	Hidden user	0.48 s	JavaScript (Node.js)	2020-03-24 03:10:45

#	User	Runtime	Language	Date
1	Gabriel Lau	0.02 s	JavaScript (SpiderMonkey)	2016-03-30 19:00:13
2	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2016-08-15 11:19:46
3	Andri Andresson	0.03 s	JavaScript (SpiderMonkey)	2018-05-05 20:46:11
4	Armine Saghatelyan	0.04 s	JavaScript (SpiderMonkey)	2015-10-22 22:05:08
5	Paul Leung	0.05 s	JavaScript (SpiderMonkey)	2017-06-13 13:44:14
6	Christopher Walther	0.05 s	JavaScript (SpiderMonkey)	2021-05-07 15:59:27
7	Christian Pilegaard Cederquist	0.06 s	JavaScript (SpiderMonkey)	2023-03-10 21:27:14
8	Spencer Smith	0.13 s	JavaScript (SpiderMonkey)	2019-03-23 05:15:39

#	User	Runtime	Language	Date
1	Hidden user	0.21 s	Kotlin	2020-04-05 09:47:34
2	Tarun Sunkaraneni	0.26 s	Kotlin	2020-02-15 19:10:58
3	Jacob Huebner	0.31 s	Kotlin	2020-03-18 02:39:58
4	Thanh Le	0.33 s	Kotlin	2020-05-10 02:52:24
5	Dayan Ruben Gonzalez	0.34 s	Kotlin	2020-09-29 18:03:55
6	Kyungyoon Kim	0.36 s	Kotlin	2019-11-02 05:12:39
7	Benjamin Ye	0.36 s	Kotlin	2022-10-04 21:31:22
8	Ryan Berger	0.38 s	Kotlin	2020-03-18 01:19:52
9	Adam Rankin	0.38 s	Kotlin	2023-09-03 22:42:51
10	Dmitry Shostak	0.39 s	Kotlin	2019-08-16 18:14:36

#	User	Runtime	Language	Date
1	Shiroy Sattur	0.02 s	Nim	2025-10-13 12:39:28

#	User	Runtime	Language	Date
1	Ludvig Gunne Lindström	0.96 s	OCaml	2023-12-03 21:41:53

#	User	Runtime	Language	Date
1	Mattias Davidsson	0.01 s	Odin	2024-01-13 13:26:09

#	User	Runtime	Language	Date
1	Annie Bai	0.02 s	PHP	2019-02-02 02:45:44
2	Connor Billings	0.02 s	PHP	2020-04-08 02:12:56
3	Renate	0.03 s	PHP	2023-07-23 22:18:47
4	Drake Schram	0.03 s	PHP	2025-02-20 00:25:14

#	User	Runtime	Language	Date
1	Nithin Chalapathi	0.03 s	Python 2	2018-03-16 23:08:16
2	Klas Björkqvist	0.04 s	Python 2	2014-07-20 10:48:34
3	Martin Jackson	0.04 s	Python 2	2016-07-09 05:01:34
4	Salvatore Mele	0.04 s	Python 2	2016-11-04 06:07:37
5	Erin Birkwood	0.04 s	Python 2	2017-03-10 14:46:06
6	Joanne Tham	0.04 s	Python 2	2017-03-11 03:07:24
7	Zak Peters	0.04 s	Python 2	2017-03-11 19:26:22
8	Justin Mills	0.04 s	Python 2	2017-03-22 03:39:41
9	Rachel Campbell	0.04 s	Python 2	2017-03-24 01:18:24
10	hvy b	0.04 s	Python 2	2017-09-14 19:45:55

#	User	Runtime	Language	Date
1	Kincaid Savoie	0.03 s	Python 3	2017-03-24 04:38:32
2	Matthew Canova	0.03 s	Python 3	2017-03-24 18:11:03
3	Anand Chaudhari	0.03 s	Python 3	2017-04-21 23:40:19
4	Marguerite Ashby	0.03 s	Python 3	2017-04-21 23:45:33
5	Hannah Warren	0.03 s	Python 3	2017-04-22 01:21:27
6	Yifan Gao	0.03 s	Python 3	2017-04-22 02:22:58
7	Joshua Levine	0.03 s	Python 3	2017-04-22 03:02:58
8	Jatin Konchady	0.03 s	Python 3	2017-04-22 04:01:04
9	Manu Konchady	0.03 s	Python 3	2017-04-22 16:38:12
10	Robert Liu	0.03 s	Python 3	2017-04-22 17:48:51

#	User	Runtime	Language	Date
1	Ryan	0.06 s	Ruby	2016-11-02 19:54:44
2	Zachary Warrell	0.07 s	Ruby	2017-03-23 02:36:29
3	Hidden user	0.08 s	Ruby	2019-02-16 22:30:56
4	Andreas Severin Hauch Trøstrup	0.08 s	Ruby	2023-02-07 16:40:39
5	Thomas Feld	0.08 s	Ruby	2023-04-11 12:27:14
6	Ethan Hill	0.10 s	Ruby	2019-11-28 04:03:02
7	Tyler Dailey	0.11 s	Ruby	2017-03-22 17:04:23
8	Martin Larsson	0.18 s	Ruby	2017-03-04 12:25:35

#	User	Runtime	Language	Date
1	Joe Blower	0.00 s	Zig	2025-05-29 21:29:04
2	Alexander Björkman	0.08 s	Zig	2023-12-05 00:19:05

#	User	Length	Language	Date
1	Akemi Izuko	515	C	2022-07-24 00:31:26
2	Dylan Mcdougall	617	C	2020-02-08 21:14:40
3	Hidden user	656	C	2017-10-20 07:02:46
4	Lee Yi Kai	662	C	2020-05-21 17:03:40
5	Noah Ó Donnaile	692	C	2017-03-14 21:11:33
6	Sang min Lee	706	C	2018-11-07 01:30:18
7	Hilary K Mungania	706	C	2019-06-13 15:47:16
8	Hidden user	735	C	2017-03-19 18:25:52
9	Adhitya Ganesh	735	C	2017-04-22 05:59:04
10	Akhil Chamarthy	735	C	2017-04-22 06:01:04

#	User	Length	Language	Date
1	Michael Damsgaard	560	C#	2024-12-07 02:08:33
2	Hidden user	840	C#	2024-02-17 21:00:59
3	Denis Traunter	893	C#	2024-02-15 00:43:25
4	Marek Kisiel	908	C#	2019-11-26 14:39:08
5	Sven	930	C#	2024-01-19 14:23:52
6	Esty Crow	1006	C#	2023-06-10 01:18:25
7	Anthony Ye	1017	C#	2023-06-11 18:33:30
8	Luke Schreiber	1060	C#	2023-03-24 00:50:29
9	Jonas Klemmensen	1064	C#	2019-04-12 23:44:23
10	Michael Loper	1119	C#	2017-03-14 07:13:46

#	User	Length	Language	Date
1	maze mela	284	C++	2022-03-06 19:22:08
2	Marco Servin	305	C++	2020-07-14 01:25:23
3	Phan Thanh Quang	327	C++	2019-07-24 11:20:17
4	Luca Dolci	334	C++	2020-03-18 17:44:35
5	Doan Viet Tien Dat	337	C++	2020-09-12 16:07:30
6	Oh Yi Xiu, Wilson	340	C++	2022-11-14 09:07:25
7	楊梁群	343	C++	2022-03-04 19:41:26
8	Troels Bjerre Lund	344	C++	2018-10-29 11:18:26
9	Chen Chao	362	C++	2020-05-18 14:54:05
10	Никита Кулик	370	C++	2021-12-20 17:42:10

#	User	Length	Language	Date
1	Drake Schram	1538	Fortran	2025-02-20 01:16:26

#	User	Length	Language	Date
1	Felicia Chen-She	632	Go	2022-10-03 03:47:28
2	Jonas Mittnacht	647	Go	2024-02-10 16:48:21
3	MARIA JOSE MORALES AVALOS	690	Go	2025-04-25 06:29:31
4	sober_junkie	740	Go	2025-05-11 17:46:41
5	Krzysztof Gibuła	858	Go	2019-03-16 22:56:52
6	Nick Hallstrom	928	Go	2017-03-24 00:16:56
7	Christoffer Danborg Irvall	950	Go	2019-05-04 16:41:47
8	Vilhelm Melkstam	992	Go	2022-02-17 14:33:18
9	Norbert Voelker	998	Go	2021-04-07 19:10:10
10	Magnus C.F. Krøyer	1033	Go	2019-09-28 12:18:51

#	User	Length	Language	Date
1	Mason Barnhill	565	Haskell	2023-05-09 01:46:10
2	Patrick Bahr	595	Haskell	2018-11-24 15:01:26
3	Steinar Simonnes	1161	Haskell	2025-01-23 15:41:58
4	Joe Wesemann	1213	Haskell	2016-11-03 13:04:46
5	Scott Dauer	1349	Haskell	2021-12-11 03:42:00
6	Hidden user	1775	Haskell	2022-08-14 11:05:18
7	Michał Grygierzec	2591	Haskell	2016-10-20 21:41:31
8	Fumiaki Takagi	3293	Haskell	2023-02-14 08:55:34
9	Frederik Haagensen	3644	Haskell	2019-08-25 11:58:13

#	User	Length	Language	Date
1	Richard Ni	563	Java	2017-10-19 22:36:48
2	Eamonn Lye	614	Java	2017-10-17 23:10:20
3	Hannah Bruns	628	Java	2018-11-01 04:30:14
4	Hidden user	649	Java	2017-10-16 03:52:08
5	Emil H	662	Java	2018-11-24 14:38:37
6	Hidden user	673	Java	2018-11-18 02:45:44
7	Måns Magnusson	681	Java	2016-05-06 17:28:51
8	Pedro Contipelli	702	Java	2017-09-18 05:37:53
9	Noble Bi	702	Java	2022-11-15 12:12:48
10	Mitch Daniels	702	Java	2023-02-02 17:00:26

#	User	Length	Language	Date
1	Ricardo	973	JavaScript (Node.js)	2020-10-22 12:19:52
2	Jackson Cooper	1836	JavaScript (Node.js)	2022-10-11 05:54:44
3	Hallvard Braaten	2317	JavaScript (Node.js)	2019-04-06 00:10:20
4	Hidden user	3677	JavaScript (Node.js)	2020-03-24 03:10:45
5	Stephanie Keck	6308	JavaScript (Node.js)	2020-02-18 08:27:25

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	467	JavaScript (SpiderMonkey)	2023-03-10 21:27:14
2	Paul Leung	572	JavaScript (SpiderMonkey)	2017-06-13 13:44:14
3	Bjørn Chr. Soltvedt	628	JavaScript (SpiderMonkey)	2016-08-15 11:19:46
4	Armine Saghatelyan	701	JavaScript (SpiderMonkey)	2015-10-22 22:05:08
5	Andri Andresson	760	JavaScript (SpiderMonkey)	2018-05-05 20:46:11
6	Christopher Walther	765	JavaScript (SpiderMonkey)	2021-05-07 15:59:27
7	Gabriel Lau	1054	JavaScript (SpiderMonkey)	2016-03-30 19:00:13
8	Spencer Smith	1184	JavaScript (SpiderMonkey)	2019-03-23 05:15:39

#	User	Length	Language	Date
1	Dayan Ruben Gonzalez	589	Kotlin	2020-09-29 18:03:55
2	Dmitry Shostak	591	Kotlin	2019-08-17 05:50:02
3	Kyungyoon Kim	598	Kotlin	2019-11-02 05:12:39
4	Benjamin Ye	606	Kotlin	2022-10-19 00:41:03
5	Min-Zheng Shieh	652	Kotlin	2021-03-18 12:10:41
6	Danny Mittal	679	Kotlin	2025-10-13 23:27:01
7	Phường Lên	703	Kotlin	2019-11-12 17:04:52
8	Bobby Chien	749	Kotlin	2021-04-04 19:11:17
9	Thanh Le	753	Kotlin	2020-05-09 08:18:31
10	Tarun Sunkaraneni	758	Kotlin	2018-11-01 21:27:34

#	User	Length	Language	Date
1	Shiroy Sattur	539	Nim	2025-10-13 12:39:28

#	User	Length	Language	Date
1	Ludvig Gunne Lindström	1699	OCaml	2024-02-03 11:29:16

#	User	Length	Language	Date
1	Mattias Davidsson	1335	Odin	2024-01-13 13:31:45

#	User	Length	Language	Date
1	Connor Billings	476	PHP	2020-04-08 02:12:56
2	Drake Schram	649	PHP	2025-02-20 00:25:14
3	Renate	728	PHP	2023-07-24 00:54:32
4	Annie Bai	1510	PHP	2019-02-02 02:45:44

#	User	Length	Language	Date
1	Andreas Björklund	256	Python 2	2019-04-18 17:14:00
2	Thomas Feld	261	Python 2	2019-08-19 13:57:57
3	Jonatan Nilsson	269	Python 2	2019-04-16 17:47:31
4	Anthony Blackman	291	Python 2	2013-10-11 22:55:18
5	Riko Jacob	298	Python 2	2019-04-18 01:25:25
6	Hidden user	321	Python 2	2018-02-17 08:42:07
7	Nicole Hedblom	328	Python 2	2015-07-15 13:11:15
8	Yupeng Gu	354	Python 2	2018-05-11 03:05:15
9	Gurpartap Singh Bhatti	359	Python 2	2018-11-03 15:10:24
10	Justin Su	377	Python 2	2020-10-17 01:04:40

#	User	Length	Language	Date
1	Daniel Bogorad	127	Python 3	2025-10-09 04:56:05
2	Michael Goldwasser	157	Python 3	2022-10-05 21:41:05
3	Oh Yi Xiu, Wilson	182	Python 3	2022-11-14 09:15:49
4	Castor Mann	211	Python 3	2023-01-26 11:00:39
5	Jacob Toomey	213	Python 3	2023-10-12 09:33:52
6	Lumi Lysdal	215	Python 3	2021-08-29 00:37:47
7	Will Corcoran	215	Python 3	2025-01-28 20:56:56
8	Kristian Sørdal	229	Python 3	2024-06-04 09:41:43
9	Kyle Holland	232	Python 3	2023-03-25 05:38:58
10	Oskar Haarklou Veileborg	234	Python 3	2020-06-15 18:13:13

#	User	Length	Language	Date
1	Thomas Feld	116	Ruby	2023-04-11 12:27:14
2	Andreas Severin Hauch Trøstrup	181	Ruby	2023-02-12 12:48:25
3	Hidden user	289	Ruby	2019-02-16 22:30:56
4	Martin Larsson	306	Ruby	2017-03-04 12:25:35
5	Ethan Hill	551	Ruby	2019-11-28 04:03:02
6	Tyler Dailey	789	Ruby	2017-03-22 17:04:23
7	Zachary Warrell	1259	Ruby	2017-03-23 02:36:29
8	Ryan	1817	Ruby	2016-11-02 19:54:44

#	User	Length	Language	Date
1	Calvin Lee	744	Rust	2020-03-24 03:44:52
2	Bas Dirks	753	Rust	2022-07-22 12:48:14
3	David Rasch	878	Rust	2021-04-23 17:49:26
4	Jackson Linford	921	Rust	2023-03-24 13:29:33
5	Mathias Svensson	959	Rust	2019-10-24 09:11:57
6	Oscar Eriksson	964	Rust	2024-11-27 00:02:01
7	HuaiYuan Jing	990	Rust	2024-10-11 20:52:11
8	Michael Vesterli	992	Rust	2018-11-23 17:10:26
9	Markus Videfors	1006	Rust	2020-11-27 02:05:01
10	Guilherme Prado	1049	Rust	2020-09-02 22:51:28

#	User	Length	Language	Date
1	Joe Blower	1833	Zig	2025-05-29 21:29:04
2	Alexander Björkman	2889	Zig	2023-12-05 00:19:05

Solution running time distribution