Problem G
Closing the Loop — Problem Statistics

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Submissions	5838
Accepted submissions	3082
Submission ratio	52.79%
Authors	2752
Full solves [?]	2579
Full solve Ratio	93.71%

#	User	Runtime	Language	Date
1	masosz	0.03 s	C#	2015-01-28 19:31:53
2	Bas te Kolste	0.03 s	C#	2015-06-15 21:23:14
3	Charlie Forsberg Hedberg	0.03 s	C#	2015-07-06 14:04:04
4	Jonas S	0.03 s	C#	2015-08-20 22:08:11
5	Tor Skude	0.03 s	C#	2015-09-10 20:45:33
6	Robert Low	0.03 s	C#	2016-07-15 20:12:05
7	Duelene Olson	0.03 s	C#	2016-11-22 23:04:55
8	Jens Mossig	0.03 s	C#	2017-02-17 22:45:18
9	Bo Bergelin	0.03 s	C#	2017-06-04 18:45:07
10	Faisal Rahman	0.03 s	C#	2017-11-01 14:56:45

#	User	Runtime	Language	Date
1	Timothy Bilik	0.02 s	Common Lisp	2022-09-24 21:11:55

#	User	Runtime	Language	Date
1	Patrick Bahr	0.08 s	F#	2021-02-20 16:09:28

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-04-11 19:51:41
2	David Zacek	0.18 s	Go	2021-05-19 00:45:16
3	Kellen Watt	0.25 s	Go	2015-09-27 05:09:21

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.01 s	Haskell	2024-03-23 15:00:29
2	Caleb Surovik	0.02 s	Haskell	2021-07-01 19:03:07
3	Hidden user	0.05 s	Haskell	2015-01-28 14:47:43
4	Markus Läll	0.05 s	Haskell	2015-02-13 16:48:32
5	Joakim Blikstad	0.05 s	Haskell	2015-05-18 18:48:31
6	grabarz	0.05 s	Haskell	2015-08-06 21:41:16
7	Joakim Lundborg	0.05 s	Haskell	2015-08-31 02:24:16
8	Andrey Mokhov	0.05 s	Haskell	2015-10-20 01:27:22
9	Peter Deal	0.05 s	Haskell	2016-05-11 19:32:46
10	Anthony Clays	0.05 s	Haskell	2017-01-06 20:36:52

#	User	Runtime	Language	Date
1	Love Zentio	0.04 s	Java	2026-01-01 15:31:48
2	José Vander Meulen	0.08 s	Java	2018-11-10 17:59:10
3	Liam Keliher	0.10 s	Java	2018-07-04 08:10:04
4	Ola Rønning	0.11 s	Java	2015-05-25 22:52:19
5	Dennis Shi	0.11 s	Java	2015-12-20 20:32:26
6	Samuel Giarratana	0.11 s	Java	2018-04-11 18:17:04
7	Graeme Zinck	0.11 s	Java	2018-07-06 00:27:55
8	Erik Odenman	0.12 s	Java	2014-10-09 17:32:21
9	Marco Vincenzo Karaan	0.12 s	Java	2015-07-17 12:21:46
10	Łukasz Antkowiak	0.12 s	Java	2015-09-12 02:19:09

#	User	Runtime	Language	Date
1	Marcos Freitas	0.07 s	JavaScript (Node.js)	2025-03-20 18:14:10
2	Gurpartap Singh Bhatti	0.08 s	JavaScript (Node.js)	2019-06-07 06:34:37
3	Sander Hellesø	0.09 s	JavaScript (Node.js)	2019-04-22 09:37:58
4	Andoko Chandra	0.45 s	JavaScript (Node.js)	2020-10-05 18:30:38
5	Ryoki Kunii	0.45 s	JavaScript (Node.js)	2020-10-08 16:07:23
6	Howard Tin Chi Chan	0.45 s	JavaScript (Node.js)	2021-02-13 15:09:33
7	Chris Wong	0.46 s	JavaScript (Node.js)	2021-02-03 23:16:53
8	Niamh Limerick	0.58 s	JavaScript (Node.js)	2022-02-20 12:59:59
9	John	0.71 s	JavaScript (Node.js)	2021-02-25 11:05:56

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2016-01-16 22:57:34
2	Gabriel Lau	0.02 s	JavaScript (SpiderMonkey)	2016-03-30 22:50:57
3	Alhasan Ahmed Abd	0.02 s	JavaScript (SpiderMonkey)	2018-04-24 04:39:40
4	Peter Kedemo	0.03 s	JavaScript (SpiderMonkey)	2015-12-26 20:44:51
5	Spencer Smith	0.03 s	JavaScript (SpiderMonkey)	2017-10-28 09:27:25
6	Jimmy Gustafsson	0.03 s	JavaScript (SpiderMonkey)	2024-08-02 22:36:05
7	Peter Menyes	0.04 s	JavaScript (SpiderMonkey)	2017-08-26 21:45:36
8	Christian Pilegaard Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-01-07 01:28:08
9	Nguyễn Hùng Cường	0.05 s	JavaScript (SpiderMonkey)	2018-07-18 04:30:27
10	Hai Yang Xu	0.07 s	JavaScript (SpiderMonkey)	2017-09-23 18:29:58

#	User	Runtime	Language	Date
1	Timothy Gaede	0.57 s	Julia	2024-04-10 12:32:06
2	Danny Robinson	0.78 s	Julia	2023-09-02 13:02:36

#	User	Runtime	Language	Date
1	Sarek Høverstad Skotåm	0.34 s	Kotlin	2020-10-11 12:45:55
2	Adam Rankin	0.34 s	Kotlin	2023-05-06 07:35:15
3	Sergey Jakobsen	0.35 s	Kotlin	2022-02-04 15:31:30
4	Neil Harmon	0.38 s	Kotlin	2019-04-19 09:55:53
5	Troy Warmboe	0.43 s	Kotlin	2020-02-11 00:04:19

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-08-11 08:57:26

#	User	Runtime	Language	Date
1	Steven D. Wilson	0.02 s	PHP	2016-11-25 08:03:52
2	Renate	0.02 s	PHP	2021-05-22 23:00:35

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.73 s	Prolog	2023-02-10 00:15:59

#	User	Runtime	Language	Date
1	Hans Rusten	0.03 s	Python 2	2015-10-14 23:13:46
2	Asger Hautop Drewsen	0.03 s	Python 2	2015-11-03 20:41:32
3	Maksym Bendeberia	0.03 s	Python 2	2016-08-26 18:14:25
4	Miguel Alfageme Sanchez	0.03 s	Python 2	2017-02-06 20:42:24
5	Paulo Bu	0.04 s	Python 2	2015-02-02 21:33:31
6	Kristmundur Agust	0.04 s	Python 2	2015-03-12 14:47:53
7	Carl Martin Rosenberg	0.04 s	Python 2	2015-03-15 01:10:10
8	Christofer Ohlsson	0.04 s	Python 2	2015-03-31 11:01:21
9	Tore Norderud	0.04 s	Python 2	2015-05-01 13:57:44
10	Kit Maywood	0.04 s	Python 2	2015-06-04 13:17:28

#	User	Runtime	Language	Date
1	Alexandre Loiko	0.03 s	Python 3	2014-10-09 17:24:15
2	Emil Wärnberg	0.03 s	Python 3	2014-10-09 17:30:17
3	Elias Riedel Gårding	0.03 s	Python 3	2014-10-09 18:13:56
4	Fredrik Carlsen	0.03 s	Python 3	2015-06-06 21:14:04
5	Alex Loiko	0.03 s	Python 3	2015-06-16 12:34:52
6	Bjarki Stefánsson	0.03 s	Python 3	2015-10-12 01:01:04
7	Wayne	0.03 s	Python 3	2016-01-24 17:32:30
8	Øyvind Johansen Amundrud	0.03 s	Python 3	2016-02-19 21:57:42
9	Unnar Freyr Erlendsson	0.03 s	Python 3	2016-05-06 15:27:22
10	Sigurjón Freyr Viktorsson	0.03 s	Python 3	2016-05-06 17:06:53

#	User	Runtime	Language	Date
1	Casper Christensen	0.04 s	Ruby	2016-03-03 14:42:53
2	Lasse Berglund	0.04 s	Ruby	2016-04-01 08:27:36
3	Kellen Watt	0.04 s	Ruby	2016-06-04 17:35:09
4	Macdara mac an tSionnaigh	0.06 s	Ruby	2019-10-05 21:50:21
5	Hidden user	0.07 s	Ruby	2020-10-03 21:32:15
6	Thomas Feld	0.07 s	Ruby	2022-11-16 12:16:32
7	Hidden user	0.14 s	Ruby	2017-05-09 04:58:00
8	Anthony Lam	0.38 s	Ruby	2017-09-24 07:43:14

#	User	Runtime	Language	Date
1	Klas af Geijerstam	0.00 s	Rust	2020-12-09 11:33:38
2	Freek van Keulen	0.00 s	Rust	2021-07-21 10:53:36
3	Bas Dirks	0.00 s	Rust	2022-02-14 18:32:58
4	Isak Jägberg	0.00 s	Rust	2023-04-24 10:26:45
5	Vincent Lagerros	0.00 s	Rust	2024-10-13 15:08:37
6	Eric Källman	0.00 s	Rust	2025-06-24 16:52:17
7	Joe Blower	0.00 s	Rust	2025-09-20 04:23:06
8	David Rasch	0.01 s	Rust	2021-02-10 13:22:25
9	Kok Dith	0.01 s	Rust	2021-08-09 11:34:21
10	Jonathan	0.01 s	Rust	2021-08-26 10:19:11

#	User	Length	Language	Date
1	Hidden user	773	C	2024-03-08 00:17:11
2	Aviral Utkarsh	806	C	2017-01-08 15:56:59
3	Hidden user	808	C	2024-11-06 08:16:06
4	Vincent Khrishardy	903	C	2020-12-21 05:00:52
5	Hidden user	924	C	2017-11-11 22:55:15
6	Sujan Roy	963	C	2020-05-09 18:39:09
7	Othmane Mahfoud	995	C	2016-09-14 21:39:08
8	Johan Öhlin	1042	C	2017-08-28 14:22:44
9	PhilCampbell	1057	C	2020-12-26 17:31:43
10	Naveen Kumar S	1096	C	2025-04-13 05:36:44

#	User	Length	Language	Date
1	Bhargava Sai Paritala	899	C#	2023-10-02 04:24:27
2	Venkata Sai Gagan Deep Alusuri	923	C#	2023-09-28 01:16:54
3	Kunwei Zhang	944	C#	2018-02-15 05:01:16
4	vineeth_lanka	945	C#	2023-10-01 19:30:01
5	Varsha Disawal	957	C#	2023-09-30 20:27:32
6	Manoj Naidu Arasada	962	C#	2023-10-02 03:56:00
7	Naveen Nagulapalli	964	C#	2023-09-25 15:51:03
8	Nikhil	974	C#	2023-10-02 02:51:26
9	Hareesh Prathipati	997	C#	2023-09-26 21:31:27
10	Anantha Sai Ram Padala	997	C#	2023-09-29 19:30:19

#	User	Length	Language	Date
1	Herman Karlsson	421	C++	2015-04-21 19:53:25
2	Antonio Molina Lovett	475	C++	2016-08-06 06:08:46
3	David Wärn	490	C++	2015-04-21 17:05:00
4	Mangesh Sakordekar	491	C++	2022-09-24 19:35:22
5	Jordan A Hopkins	497	C++	2023-07-20 21:57:28
6	Dara MacConville	501	C++	2018-01-26 21:59:36
7	Zane Yu	521	C++	2019-01-16 03:03:13
8	Chenghao Wang	530	C++	2023-02-16 04:35:30
9	Johan Wind	535	C++	2015-05-15 17:01:21
10	Markus Mathiasen	536	C++	2021-08-22 10:54:03

#	User	Length	Language	Date
1	Timothy Bilik	745	Common Lisp	2022-09-24 21:11:55

#	User	Length	Language	Date
1	Patrick Bahr	2355	F#	2021-02-20 16:09:28

#	User	Length	Language	Date
1	David Zacek	661	Go	2021-05-19 00:45:16
2	Kellen Watt	749	Go	2015-09-27 05:09:21
3	Norbert Voelker	1667	Go	2021-04-11 19:51:41

#	User	Length	Language	Date
1	Birk Tjelmeland	407	Haskell	2017-10-30 08:37:33
2	Peter Deal	561	Haskell	2016-05-11 19:32:46
3	Anthony Clays	639	Haskell	2017-01-06 20:36:52
4	Andrey Mokhov	649	Haskell	2015-10-20 01:27:22
5	Brandon Tang	649	Haskell	2023-05-22 22:16:23
6	Brent Yorgey	687	Haskell	2017-10-12 21:10:10
7	Joakim Blikstad	698	Haskell	2015-05-18 18:48:31
8	Jan Hrček	704	Haskell	2020-10-26 19:07:23
9	Håkon Flatval	757	Haskell	2018-08-20 22:43:01
10	Hidden user	903	Haskell	2019-08-22 12:26:05

#	User	Length	Language	Date
1	Doug Goodman	818	Java	2017-09-22 17:01:29
2	Zimu Qin	854	Java	2015-07-30 15:44:54
3	Kevin Kauffman	861	Java	2021-12-30 00:49:04
4	Emil Andersson	889	Java	2014-10-09 18:21:10
5	Matthew Garrison	890	Java	2017-05-26 07:49:10
6	Nicole Hedblom	903	Java	2015-06-19 01:48:27
7	Simon Xue	903	Java	2015-11-09 07:17:08
8	Samuel Klingström	905	Java	2017-03-05 02:47:26
9	Carter Henderson	907	Java	2022-04-07 17:55:10
10	Frank Ruskey	933	Java	2017-02-23 17:46:54

#	User	Length	Language	Date
1	Ryoki Kunii	1156	JavaScript (Node.js)	2020-10-08 16:07:23
2	Howard Tin Chi Chan	1180	JavaScript (Node.js)	2021-02-13 15:09:33
3	John	1355	JavaScript (Node.js)	2021-02-25 11:05:56
4	Sander Hellesø	1468	JavaScript (Node.js)	2019-04-22 09:37:58
5	Andoko Chandra	1521	JavaScript (Node.js)	2020-10-05 18:30:38
6	Gurpartap Singh Bhatti	1647	JavaScript (Node.js)	2019-06-07 06:34:37
7	Chris Wong	1776	JavaScript (Node.js)	2021-02-03 23:16:53
8	Niamh Limerick	2283	JavaScript (Node.js)	2022-02-20 12:59:59
9	Marcos Freitas	2328	JavaScript (Node.js)	2025-03-20 18:14:10

#	User	Length	Language	Date
1	Jimmy Gustafsson	268	JavaScript (SpiderMonkey)	2024-08-02 22:36:05
2	Peter Menyes	417	JavaScript (SpiderMonkey)	2017-08-26 21:58:26
3	Nguyễn Hùng Cường	614	JavaScript (SpiderMonkey)	2018-07-18 04:30:27
4	Christian Pilegaard Cederquist	652	JavaScript (SpiderMonkey)	2023-01-07 01:28:08
5	Gabriel Lau	736	JavaScript (SpiderMonkey)	2016-03-30 22:50:57
6	Bjørn Chr. Soltvedt	757	JavaScript (SpiderMonkey)	2016-01-16 22:57:34
7	Peter Kedemo	791	JavaScript (SpiderMonkey)	2015-12-26 20:44:51
8	Spencer Smith	943	JavaScript (SpiderMonkey)	2017-10-28 09:27:25
9	Alhasan Ahmed Abd	1245	JavaScript (SpiderMonkey)	2018-04-24 04:39:40
10	Hai Yang Xu	7821	JavaScript (SpiderMonkey)	2017-09-23 18:29:58

#	User	Length	Language	Date
1	Danny Robinson	205	Julia	2023-09-02 13:02:36
2	Timothy Gaede	1111	Julia	2024-04-10 12:32:06

#	User	Length	Language	Date
1	Sarek Høverstad Skotåm	828	Kotlin	2020-10-11 12:45:55
2	Troy Warmboe	877	Kotlin	2020-02-11 00:04:19
3	Sergey Jakobsen	904	Kotlin	2022-02-04 15:31:30
4	Adam Rankin	1062	Kotlin	2023-05-06 07:35:15
5	Neil Harmon	1698	Kotlin	2019-04-19 09:55:53

#	User	Length	Language	Date
1	Ingemar Ragnemalm	2957	Pascal	2017-08-11 08:57:26

#	User	Length	Language	Date
1	Steven D. Wilson	1062	PHP	2016-11-25 08:03:52
2	Renate	1083	PHP	2021-05-22 23:00:35

#	User	Length	Language	Date
1	Hakan Kjellerstrand	905	Prolog	2023-02-10 00:15:59

#	User	Length	Language	Date
1	Thomas Feld	286	Python 2	2019-08-22 15:27:25
2	Hidden user	344	Python 2	2015-02-20 18:21:03
3	Haggai Liu	348	Python 2	2017-01-10 21:41:58
4	Haggai Liu	348	Python 2	2017-01-20 08:47:20
5	Asger Hautop Drewsen	354	Python 2	2015-11-03 20:41:32
6	Jesper Öqvist	367	Python 2	2018-10-20 18:16:41
7	Andreas Björklund	369	Python 2	2019-08-24 15:20:44
8	Izzati Al Vandiar	381	Python 2	2015-11-02 08:30:27
9	Paulo Bu	416	Python 2	2015-02-02 21:33:31
10	Guan Yang Ze	416	Python 2	2019-09-05 16:49:28

#	User	Length	Language	Date
1	Ahmed Chamseddine	247	Python 3	2024-08-12 10:15:25
2	Charles Ancheta	259	Python 3	2023-04-09 08:25:30
3	Jakob Fredby	261	Python 3	2025-06-26 02:45:12
4	Teikn Smith	273	Python 3	2022-05-06 20:24:47
5	Vedran Čačić	284	Python 3	2019-02-01 08:53:59
6	Thomas Draper	288	Python 3	2023-06-21 18:55:18
7	Petr	289	Python 3	2022-05-31 19:02:13
8	Thibault Raffaillac	291	Python 3	2021-03-11 19:00:54
9	Guillermo Hernández	311	Python 3	2021-10-22 19:03:28
10	Stefano Baroni	325	Python 3	2020-10-03 01:47:58

#	User	Length	Language	Date
1	Thomas Feld	135	Ruby	2022-11-16 12:19:38
2	Hidden user	288	Ruby	2020-10-03 21:32:15
3	Casper Christensen	395	Ruby	2016-03-03 14:42:53
4	Macdara mac an tSionnaigh	406	Ruby	2019-10-05 21:50:21
5	Kellen Watt	464	Ruby	2016-06-04 17:35:09
6	Lasse Berglund	624	Ruby	2016-04-01 08:27:36
7	Anthony Lam	1132	Ruby	2017-09-24 07:43:14
8	Hidden user	1405	Ruby	2017-05-09 04:58:00

#	User	Length	Language	Date
1	Vincent Lagerros	777	Rust	2024-10-13 15:08:37
2	Kok Dith	1149	Rust	2021-08-09 11:34:21
3	Bas Dirks	1206	Rust	2022-02-14 18:32:58
4	Freek van Keulen	1242	Rust	2021-07-21 10:53:36
5	Eric Källman	1466	Rust	2025-06-24 16:52:17
6	Isak Jägberg	1507	Rust	2023-04-24 10:26:45
7	Eric Pinter	1596	Rust	2021-11-22 03:52:51
8	David Rasch	1618	Rust	2021-02-10 13:22:25
9	Joe Blower	2177	Rust	2025-09-20 04:23:06
10	Jonathan	2767	Rust	2021-08-26 10:19:11

Solution running time distribution