Problem B
Pivot — Problem Statistics

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Submissions	14180
Accepted submissions	5386
Submission ratio	37.98%
Authors	4713
Full solves [?]	4054
Full solve Ratio	86.02%

#	User	Runtime	Language	Date
1	Blake Lasky	0.00 s	C	2016-11-29 17:11:58
2	Bergur Snorrason	0.00 s	C	2019-03-26 14:24:32
3	Chenghao Lu	0.01 s	C	2015-09-12 05:42:35
4	Samuel Lusandi	0.01 s	C	2015-09-12 06:57:35
5	Mark Froilan Tandoc	0.01 s	C	2015-09-12 07:48:13
6	Huynh Thanh Thao	0.01 s	C	2015-09-12 08:10:23
7	Revian Adhi Pradana	0.01 s	C	2015-09-12 08:42:15
8	Hidden user	0.01 s	C	2015-09-13 02:07:03
9	Adam Evans	0.01 s	C	2015-09-26 19:19:16
10	貓貓吃狗狗	0.01 s	C	2015-10-06 05:44:50

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.03 s	C#	2022-12-22 16:39:00
2	Adrian Stanciu	0.04 s	C#	2018-12-28 12:38:38
3	Joe Amenta	0.05 s	C#	2016-04-04 21:31:47
4	Raul Kooter	0.05 s	C#	2016-12-04 23:00:04
5	Thomas Norris	0.05 s	C#	2019-06-26 04:04:07
6	Henrik Hallbert	0.05 s	C#	2019-09-11 19:30:55
7	Casper Rødgaard	0.05 s	C#	2019-11-01 13:22:00
8	Faisal Rahman	0.06 s	C#	2017-11-07 03:04:31
9	Oliver Zhu	0.06 s	C#	2017-11-14 18:25:50
10	samvid mistry	0.06 s	C#	2024-12-12 20:05:32

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.19 s	F#	2023-01-30 08:06:25

#	User	Runtime	Language	Date
1	Nathan Lee	0.01 s	Go	2025-08-28 20:14:39
2	Daniel Agatan	0.04 s	Go	2025-03-04 14:53:28
3	Albert Leung	0.05 s	Go	2024-08-15 02:30:29
4	Krzysztof Gibuła	0.09 s	Go	2019-01-20 14:05:53
5	Gede Wahyu Adi Pramana	0.09 s	Go	2020-10-10 06:16:18
6	Norbert Voelker	0.09 s	Go	2021-10-22 21:29:25
7	Hidden user	0.73 s	Go	2024-10-02 08:53:39

#	User	Runtime	Language	Date
1	Morten Lohne	0.03 s	Haskell	2018-01-30 22:00:35
2	Birk Tjelmeland	0.05 s	Haskell	2018-01-30 23:04:30
3	Dries Harnie	0.06 s	Haskell	2019-02-07 06:22:53
4	Steinar Simonnes	0.06 s	Haskell	2024-04-29 16:48:18
5	Zach Tschetter	0.13 s	Haskell	2021-07-27 03:12:13
6	Antony Lee	0.18 s	Haskell	2018-08-20 08:46:54
7	Ole Magnus Lie	0.19 s	Haskell	2018-02-05 12:10:38
8	Qi Ji	0.19 s	Haskell	2018-07-11 04:43:49
9	Lars Tveito	0.23 s	Haskell	2016-03-30 18:17:55
10	Olle Eriksson	0.23 s	Haskell	2018-03-10 21:55:53

#	User	Runtime	Language	Date
1	Choo Jun Inn Darren	0.06 s	Java	2024-11-21 05:29:57
2	Mason Wiedow	0.06 s	Java	2025-10-15 14:51:53
3	Tú Huỳnh	0.07 s	Java	2015-09-12 05:25:08
4	Michel Langeveld	0.07 s	Java	2016-12-17 22:18:25
5	Jiang Qin Hua	0.07 s	Java	2018-07-10 06:49:18
6	Tan Jun An	0.08 s	Java	2016-04-19 13:24:54
7	Samuel Klingström	0.08 s	Java	2020-08-11 10:46:14
8	Bhavey Jain	0.08 s	Java	2021-08-29 01:52:29
9	Derek Thomson	0.08 s	Java	2022-01-19 20:43:27
10	Benjamin Meshanko	0.08 s	Java	2022-03-02 16:08:58

#	User	Runtime	Language	Date
1	Nicklas Østerberg	0.08 s	JavaScript (Node.js)	2025-03-28 14:02:30
2	Kenneth Chen	0.13 s	JavaScript (Node.js)	2022-07-09 10:32:59
3	Jeremiah Ang	0.47 s	JavaScript (Node.js)	2020-09-11 09:40:30
4	Stephanie Keck	0.68 s	JavaScript (Node.js)	2020-01-20 00:24:48

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2016-01-20 13:10:40
2	Gabriel Valfridsson	0.03 s	JavaScript (SpiderMonkey)	2018-04-12 18:52:38
3	Christian Pilegaard Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-03-08 07:04:34

#	User	Runtime	Language	Date
1	Timothy Gaede	0.55 s	Julia	2024-06-20 03:14:59
2	Hidden user	0.58 s	Julia	2025-02-23 23:43:25

#	User	Runtime	Language	Date
1	Ravisai Tiruvuri	0.20 s	Kotlin	2024-04-29 05:45:19
2	Johnny Baloney	0.31 s	Kotlin	2021-12-26 21:06:05
3	Hidden user	0.33 s	Kotlin	2018-02-07 15:40:28
4	Adam Rankin	0.38 s	Kotlin	2023-05-07 01:53:30
5	Adam Koprowski	0.43 s	Kotlin	2020-08-18 12:44:55
6	Luca Mueller	0.45 s	Kotlin	2024-11-15 21:13:45
7	Dmitry Shostak	0.49 s	Kotlin	2019-09-13 15:36:42
8	Benjamin Ye	0.57 s	Kotlin	2023-01-25 04:39:56
9	Dayan Ruben Gonzalez	0.58 s	Kotlin	2020-09-30 00:28:54
10	Chris Johnson	0.83 s	Kotlin	2024-09-13 21:08:13

#	User	Runtime	Language	Date
1	Caleb Austin	0.04 s	Lua	2024-08-31 23:27:43
2	Peter Hairatidis	0.05 s	Lua	2025-10-14 21:15:59

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	OCaml	2024-01-11 04:21:04

#	User	Runtime	Language	Date
1	Sơn Nguyễn	0.01 s	Pascal	2019-10-20 16:34:20

#	User	Runtime	Language	Date
1	Johan Nilsson	0.04 s	Python 2	2015-10-04 13:56:46
2	Neal Zane	0.04 s	Python 2	2015-12-13 04:28:23
3	Karoliina Oksanen	0.04 s	Python 2	2016-03-13 03:21:09
4	Peter Sofronas	0.04 s	Python 2	2017-08-06 00:37:08
5	Tal Melamed	0.04 s	Python 2	2017-12-08 04:18:04
6	Øyvind Haarberg	0.04 s	Python 2	2018-01-19 10:15:26
7	Jonas Mossin Wagle	0.04 s	Python 2	2018-02-06 17:44:06
8	Cian Ruane	0.04 s	Python 2	2018-04-11 14:17:17
9	Eddy Gao	0.04 s	Python 2	2018-04-12 06:39:48
10	Noah Ó Donnaile	0.04 s	Python 2	2018-04-18 10:15:58

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Python 3	2018-08-02 23:20:35
2	Shawn Tice	0.05 s	Python 3	2018-12-15 18:39:27
3	Cian Ruane	0.06 s	Python 3	2018-04-06 10:45:40
4	Noah Ó Donnaile	0.06 s	Python 3	2018-04-11 14:03:34
5	Hidden user	0.06 s	Python 3	2018-04-12 01:56:12
6	Kyle Lorenzano	0.06 s	Python 3	2018-04-12 07:22:28
7	Gabriel Valfridsson	0.06 s	Python 3	2018-04-12 19:18:30
8	Bjarki Ágúst Guðmundsson	0.06 s	Python 3	2018-04-16 18:50:02
9	Fahrudin Halilović	0.06 s	Python 3	2018-04-17 07:00:37
10	Kieran Horgan	0.06 s	Python 3	2018-08-17 00:20:57

#	User	Runtime	Language	Date
1	Zohar Malamant	0.09 s	Ruby	2018-02-02 13:21:57
2	Hidden user	0.09 s	Ruby	2019-03-19 15:08:37
3	Ivy Wang	0.12 s	Ruby	2023-01-27 04:45:50
4	Thomas Feld	0.12 s	Ruby	2023-02-28 09:02:02

#	User	Runtime	Language	Date
1	Akemi Izuko	0.00 s	Rust	2022-07-07 04:20:46
2	Vincent Lagerros	0.00 s	Rust	2025-01-26 14:19:09
3	Shivam Thakur	0.01 s	Rust	2019-07-01 16:35:59
4	Mathias Svensson	0.01 s	Rust	2019-10-24 07:41:36
5	Pahlevi Fikri Auliya	0.01 s	Rust	2020-10-23 03:12:52
6	Jianghua Wang	0.01 s	Rust	2023-01-25 23:18:18
7	Adam Guangwei Yu	0.01 s	Rust	2023-01-31 20:05:47
8	Ryan Chau	0.01 s	Rust	2023-02-01 22:06:48
9	Reis Faar	0.01 s	Rust	2023-04-10 21:12:12
10	David Rasch	0.01 s	Rust	2023-08-25 13:05:33

#	User	Length	Language	Date
1	Julian Brost	424	C	2018-04-15 17:49:42
2	Zachariah Goldthorpe	451	C	2017-08-12 03:44:09
3	Scott Dauer	474	C	2019-10-20 23:43:15
4	Chenghao Lu	475	C	2015-09-12 05:42:35
5	Tjandra Satria Gunawan	498	C	2015-09-12 07:23:30
6	Nicholas Bachmann Tjørnelund	545	C	2018-02-25 10:56:50
7	Gabriel Stanculescu	574	C	2021-09-19 20:51:34
8	Emil Bengtsson	575	C	2018-04-06 18:35:46
9	Andy Li	579	C	2020-08-28 21:43:02
10	Svein Høgemo	586	C	2018-02-23 22:15:44

#	User	Length	Language	Date
1	Shantanu Sharma	621	C#	2025-10-11 15:01:30
2	Esty Crow	712	C#	2025-07-11 11:30:50
3	Nathan Andrews	764	C#	2024-08-30 00:49:03
4	Yevgeniy Sheyer	793	C#	2025-02-14 02:32:23
5	Anthony Ye	811	C#	2025-07-18 18:27:42
6	Peter Bohunský	877	C#	2017-11-15 19:20:55
7	Faisal Rahman	894	C#	2017-11-07 03:04:31
8	Jayant Notani	1037	C#	2020-01-26 04:50:01
9	Adrian Stanciu	1066	C#	2018-12-28 12:38:38
10	Raul Kooter	1073	C#	2016-12-04 23:00:04

#	User	Length	Language	Date
1	Goodkhau	182	C++	2025-10-30 17:44:42
2	Kieran Horgan	215	C++	2017-08-28 19:42:39
3	陳衍行	252	C++	2023-12-29 02:51:26
4	Hoang Dai Thien Long	267	C++	2015-09-12 06:03:22
5	楊秉宇	283	C++	2021-01-29 05:55:57
6	Hidden user	289	C++	2019-01-27 04:37:50
7	Fredrik Ekholm	296	C++	2018-09-30 15:44:16
8	Giovanna Kobus Conrado	297	C++	2019-01-22 00:57:11
9	Tan Teong Seng	305	C++	2021-01-09 09:15:05
10	Nix Eyre	307	C++	2023-06-26 11:00:14

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	996	F#	2023-01-30 08:06:25

#	User	Length	Language	Date
1	Gede Wahyu Adi Pramana	809	Go	2020-10-10 06:16:18
2	Hidden user	837	Go	2024-10-02 08:53:39
3	Nathan Lee	946	Go	2025-08-28 20:14:39
4	Krzysztof Gibuła	949	Go	2019-01-20 14:05:53
5	Norbert Voelker	997	Go	2021-10-22 21:29:25
6	Daniel Agatan	1032	Go	2025-03-04 14:53:28
7	Albert Leung	1637	Go	2021-06-23 01:43:56

#	User	Length	Language	Date
1	Birk Tjelmeland	202	Haskell	2018-01-30 23:02:07
2	Lars Tveito	228	Haskell	2016-03-30 18:17:55
3	Ole Magnus Lie	481	Haskell	2018-02-05 12:16:31
4	Antony Lee	494	Haskell	2018-08-20 08:46:54
5	Mikail Khan	574	Haskell	2022-03-09 02:35:11
6	Steinar Simonnes	584	Haskell	2024-04-29 16:48:18
7	Aurélien Pepin	628	Haskell	2019-09-19 14:33:31
8	Qi Ji	670	Haskell	2018-07-22 19:27:05
9	Dries Harnie	677	Haskell	2019-02-07 06:22:53
10	Olle Eriksson	709	Haskell	2018-03-10 22:00:06

#	User	Length	Language	Date
1	Taras Romanyuk	365	Java	2024-01-19 18:49:43
2	Zarhane Adil	385	Java	2016-07-31 22:45:07
3	Harrison Fang	497	Java	2015-09-26 17:51:33
4	Marshall D Feng	522	Java	2022-03-25 01:47:09
5	Reinald Kim Amplayo	524	Java	2015-09-13 15:39:58
6	Tom Bousso	548	Java	2017-12-06 21:59:39
7	Yeung Man Tsung	563	Java	2022-06-22 08:10:28
8	Ali Pervaiz	593	Java	2019-03-19 20:28:36
9	Doug Goodman	605	Java	2018-03-20 19:05:28
10	Benjamin Laurence Erickson	620	Java	2016-01-15 15:41:16

#	User	Length	Language	Date
1	Jeremiah Ang	442	JavaScript (Node.js)	2020-09-11 09:40:30
2	Nicklas Østerberg	762	JavaScript (Node.js)	2025-03-28 14:02:30
3	Kenneth Chen	1363	JavaScript (Node.js)	2022-07-09 10:32:59
4	Stephanie Keck	3222	JavaScript (Node.js)	2020-01-20 00:24:48

#	User	Length	Language	Date
1	Gabriel Valfridsson	367	JavaScript (SpiderMonkey)	2018-04-12 18:51:04
2	Bjørn Chr. Soltvedt	394	JavaScript (SpiderMonkey)	2016-01-20 13:10:40
3	Christian Pilegaard Cederquist	694	JavaScript (SpiderMonkey)	2023-03-08 07:04:34

#	User	Length	Language	Date
1	Hidden user	411	Julia	2025-02-23 23:43:25
2	Timothy Gaede	825	Julia	2024-06-20 03:14:59

#	User	Length	Language	Date
1	Dmitry Shostak	326	Kotlin	2019-09-13 15:36:42
2	Adam Rankin	500	Kotlin	2023-05-07 01:53:30
3	Benjamin Ye	513	Kotlin	2023-01-25 04:39:56
4	Adam Koprowski	612	Kotlin	2020-08-18 12:44:55
5	Dayan Ruben Gonzalez	627	Kotlin	2020-09-30 00:28:54
6	Luca Mueller	819	Kotlin	2024-11-15 21:13:45
7	Chris Johnson	975	Kotlin	2024-09-13 21:08:13
8	Johnny Baloney	981	Kotlin	2021-12-26 21:06:05
9	Hidden user	3220	Kotlin	2018-02-07 15:40:28
10	Ravisai Tiruvuri	5893	Kotlin	2024-04-29 05:45:19

#	User	Length	Language	Date
1	Caleb Austin	654	Lua	2024-08-31 23:27:43
2	Peter Hairatidis	723	Lua	2025-10-14 21:15:59

#	User	Length	Language	Date
1	Hidden user	678	OCaml	2024-01-11 04:28:12

#	User	Length	Language	Date
1	Sơn Nguyễn	1004	Pascal	2019-10-20 16:34:20

#	User	Length	Language	Date
1	Thomas Feld	169	Python 2	2019-08-21 12:17:13
2	Olof Heurgren	170	Python 2	2016-03-27 18:40:26
3	Ragur Krishnan	216	Python 2	2019-09-22 20:34:41
4	Andreas Björklund	258	Python 2	2019-05-08 16:40:12
5	Jesper Öqvist	264	Python 2	2019-02-26 23:24:18
6	Victor Zheng	273	Python 2	2017-06-10 18:24:26
7	Nathan Villanueva	293	Python 2	2017-01-27 08:12:06
8	Neal Zane	299	Python 2	2015-12-13 04:28:23
9	Nishka Awasthi	299	Python 2	2022-10-13 23:16:40
10	Hidden user	306	Python 2	2018-12-07 16:04:52

#	User	Length	Language	Date
1	Clement Oh	114	Python 3	2023-07-22 07:09:06
2	Błażej Dariusz Roszkowski	142	Python 3	2022-11-30 16:33:13
3	Michael Goldwasser	161	Python 3	2024-08-29 04:22:10
4	Olof Heurgren	162	Python 3	2016-03-27 16:20:09
5	Hidden user	165	Python 3	2025-01-27 20:45:22
6	Nguyên Khôi Đỗ	167	Python 3	2025-01-26 17:39:52
7	Vinh Buu Tang	177	Python 3	2024-08-18 12:52:44
8	Ethan Luo	180	Python 3	2024-01-20 23:36:28
9	Ahmed Chamseddine	181	Python 3	2023-11-20 20:40:16
10	Aaron Santamaria Gutierrez	184	Python 3	2025-04-06 00:46:13

#	User	Length	Language	Date
1	Thomas Feld	106	Ruby	2023-02-28 09:38:42
2	Hidden user	322	Ruby	2019-03-19 15:08:37
3	Ivy Wang	325	Ruby	2023-01-27 06:20:42
4	Zohar Malamant	341	Ruby	2018-02-02 13:21:57

#	User	Length	Language	Date
1	David Aldenbro	358	Rust	2023-10-26 18:53:44
2	Mathias Svensson	702	Rust	2019-10-24 07:41:36
3	David Rasch	710	Rust	2023-08-25 13:05:33
4	Jianghua Wang	758	Rust	2023-01-25 23:18:18
5	Bas Dirks	776	Rust	2022-04-13 15:17:33
6	Hidden user	1065	Rust	2024-12-24 03:46:39
7	Mckinley Xie	1124	Rust	2025-01-20 03:04:12
8	Joe Blower	1255	Rust	2025-06-17 17:16:55
9	Akemi Izuko	1285	Rust	2022-07-07 04:20:46
10	Ryan Chau	1365	Rust	2023-02-01 22:06:48

Solution running time distribution