Problem I
Yoda — Problem Statistics

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Submissions	8078
Accepted submissions	3491
Submission ratio	43.22%
Authors	3496
Full solves [?]	3140
Full solve Ratio	89.82%

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	C#	2017-01-17 14:47:42
2	Borna Kavčič	0.01 s	C#	2017-10-16 07:25:01
3	Raja Sanjeev Kumar Nakka	0.02 s	C#	2016-07-01 16:09:59
4	Robert Low	0.02 s	C#	2016-07-28 11:00:10
5	Sebastian Lindgren	0.02 s	C#	2016-09-05 10:49:56
6	Faisal Rahman	0.02 s	C#	2016-09-16 04:31:30
7	Michael Gulliksen	0.02 s	C#	2017-01-21 11:18:20
8	Arne Hatlen	0.02 s	C#	2017-01-22 17:32:39
9	Marius Løkketangen	0.02 s	C#	2017-01-22 18:57:07
10	Khin Nyunt	0.02 s	C#	2017-02-12 04:11:59

#	User	Runtime	Language	Date
1	David Cawthon	0.01 s	Common Lisp	2020-06-28 19:12:52

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.02 s	F#	2022-11-22 19:51:04

#	User	Runtime	Language	Date
1	Alejandro Germain	0.02 s	Go	2018-09-30 18:44:57
2	Krzysztof Gibuła	0.07 s	Go	2019-03-01 00:05:05
3	Eric Martin	0.08 s	Go	2018-12-31 07:25:18
4	Kent Gustavsson	0.08 s	Go	2019-06-11 13:41:17
5	Ainun Nazieb	0.08 s	Go	2020-08-27 12:55:50
6	Arjun Nair	0.08 s	Go	2021-05-03 05:14:54
7	Norbert Voelker	0.08 s	Go	2021-05-10 23:27:57
8	Gabriel Díaz	0.08 s	Go	2021-07-31 17:14:54
9	Dan Dumitriu	0.08 s	Go	2021-11-26 23:09:36

#	User	Runtime	Language	Date
1	Taras Romanyuk	0.04 s	Java	2024-08-22 15:42:47
2	Pham Minh Tuan Bui	0.04 s	Java	2024-10-30 12:14:14
3	James H. Tran	0.04 s	Java	2024-11-01 06:12:29
4	Guangyi Zhou	0.04 s	Java	2024-12-15 16:31:23
5	Rene Argento	0.04 s	Java	2025-05-03 02:20:37
6	pothyne	0.04 s	Java	2026-01-03 00:29:29
7	Terrence Park	0.05 s	Java	2016-03-30 20:24:35
8	Simon Xue	0.05 s	Java	2016-04-01 02:58:53
9	Hidden user	0.05 s	Java	2016-04-01 21:43:03
10	Bryce Edward Wieman	0.05 s	Java	2016-04-20 20:42:56

#	User	Runtime	Language	Date
1	Chyld Medford	0.05 s	JavaScript (Node.js)	2018-11-10 00:09:18
2	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-05-03 07:41:02
3	Prateek Rohilla	0.09 s	JavaScript (Node.js)	2023-04-13 21:13:56
4	asterisk man	0.41 s	JavaScript (Node.js)	2021-06-06 18:11:11
5	Emil Larsson	0.42 s	JavaScript (Node.js)	2020-06-24 23:23:02
6	Kemal Elmizan	0.42 s	JavaScript (Node.js)	2020-09-26 19:43:48
7	Oscar Peulicke	0.42 s	JavaScript (Node.js)	2020-10-24 13:16:29
8	Chris Wong	0.42 s	JavaScript (Node.js)	2021-03-12 18:38:15
9	MaxAbillion	0.42 s	JavaScript (Node.js)	2021-05-13 15:38:18
10	Emil Clemedson	0.42 s	JavaScript (Node.js)	2021-08-25 14:44:32

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-04-02 16:07:13
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-04-30 16:54:22
3	Tor Nordqvist	0.01 s	JavaScript (SpiderMonkey)	2016-10-31 17:18:13
4	J M	0.01 s	JavaScript (SpiderMonkey)	2016-11-21 01:12:47
5	Mats Krüger Svensson	0.01 s	JavaScript (SpiderMonkey)	2017-01-18 18:22:26
6	Nicklas Utgaard	0.01 s	JavaScript (SpiderMonkey)	2017-01-18 18:43:18
7	Øyvind Skaar	0.01 s	JavaScript (SpiderMonkey)	2017-01-18 22:03:48
8	Steffen Stenersen	0.01 s	JavaScript (SpiderMonkey)	2017-01-19 21:14:42
9	Adam Murphy	0.01 s	JavaScript (SpiderMonkey)	2017-10-26 18:25:48
10	Casey Smith	0.02 s	JavaScript (SpiderMonkey)	2019-01-31 01:32:27

#	User	Runtime	Language	Date
1	Hidden user	0.51 s	Julia	2025-03-17 21:20:40
2	Timothy Gaede	0.65 s	Julia	2024-03-27 04:46:01
3	Danny Robinson	1.00 s	Julia	2023-10-18 04:34:12

#	User	Runtime	Language	Date
1	Adam Koprowski	0.13 s	Kotlin	2021-12-29 22:39:22
2	Andreas Lagerström	0.15 s	Kotlin	2018-03-06 16:41:46
3	Gaurav Tyagi	0.15 s	Kotlin	2018-11-22 01:05:14
4	Mike Wilkes	0.17 s	Kotlin	2018-02-02 04:51:47
5	Dayan Ruben Gonzalez	0.17 s	Kotlin	2020-10-01 05:30:13
6	Adam Rankin	0.17 s	Kotlin	2023-05-02 02:12:59
7	Michael Menezes	0.17 s	Kotlin	2023-09-17 21:41:24
8	Sergey Jakobsen	0.19 s	Kotlin	2021-06-09 14:31:33
9	Neil Harmon	0.20 s	Kotlin	2019-05-10 09:04:58
10	Colin Gay	0.21 s	Kotlin	2019-05-23 23:35:32

#	User	Runtime	Language	Date
1	Shehab Ahmed Hatem	0.00 s	Lua	2023-11-14 23:31:37

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-08-07 21:15:14
2	David Connolly	0.00 s	Pascal	2025-11-10 17:13:02

#	User	Runtime	Language	Date
1	Susanne Ragnemalm	0.01 s	PHP	2018-03-21 21:59:38
2	Jeff Cashion	0.01 s	PHP	2021-01-11 16:48:41
3	cojonas1	0.01 s	PHP	2021-02-10 11:17:33
4	Erik Boström	0.01 s	PHP	2022-03-23 21:24:19

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2016-11-25 14:45:36
2	Joakim Blikstad	0.01 s	Prolog	2017-04-12 23:21:16
3	Hakan Kjellerstrand	0.02 s	Prolog	2023-03-03 00:40:32

#	User	Runtime	Language	Date
1	Marko Lazic	0.02 s	Python 2	2016-07-03 19:57:16
2	Maksym Bendeberia	0.02 s	Python 2	2016-08-29 11:34:17
3	Christofer Ohlsson	0.02 s	Python 2	2016-08-31 18:48:04
4	Bernhard Kartefla	0.02 s	Python 2	2016-09-21 10:51:30
5	Hasan Ramezani	0.02 s	Python 2	2016-10-06 10:53:13
6	Victor Barbarosh	0.02 s	Python 2	2016-10-12 17:10:57
7	Hidden user	0.02 s	Python 2	2016-10-19 19:36:24
8	Matt Bonsall	0.02 s	Python 2	2016-10-26 03:47:58
9	James Robb	0.02 s	Python 2	2016-11-04 21:39:12
10	Noah Ó Donnaile	0.02 s	Python 2	2016-11-23 00:33:54

#	User	Runtime	Language	Date
1	Mikael Hedin	0.02 s	Python 3	2016-03-30 17:57:06
2	Robert Welin-Berger	0.02 s	Python 3	2016-03-30 18:44:34
3	Wayne	0.02 s	Python 3	2016-03-30 18:53:16
4	Arnar Bjarni Arnarson	0.02 s	Python 3	2016-04-25 23:06:31
5	Unnar Freyr Erlendsson	0.02 s	Python 3	2016-04-25 23:53:48
6	Sam Henry	0.02 s	Python 3	2016-05-02 16:33:30
7	Nathan Collins	0.02 s	Python 3	2016-08-05 15:28:21
8	Hidden user	0.02 s	Python 3	2016-08-09 16:20:58
9	Frederik Aarup Lauridsen	0.02 s	Python 3	2016-08-24 23:55:01
10	Ziyad Mourabiti	0.02 s	Python 3	2016-08-25 17:54:44

#	User	Runtime	Language	Date
1	Erik Rydbert	0.03 s	Ruby	2016-08-01 16:04:31
2	Sebastian Craig	0.03 s	Ruby	2016-10-20 04:42:16
3	Žygis Škulteckis	0.03 s	Ruby	2017-11-07 10:53:11
4	Dalton Parker Caron	0.04 s	Ruby	2019-01-04 01:04:15
5	Hidden user	0.04 s	Ruby	2019-02-27 17:28:35
6	Hidden user	0.04 s	Ruby	2019-03-15 20:26:55
7	Davi Guimarães Leite	0.04 s	Ruby	2019-03-15 20:27:20
8	Macdara mac an tSionnaigh	0.04 s	Ruby	2019-11-22 22:27:14
9	Theo Hiort	0.05 s	Ruby	2020-08-07 14:54:07
10	CodeVision	0.05 s	Ruby	2020-12-27 15:35:16

#	User	Runtime	Language	Date
1	Soren Basnet	0.04 s	TypeScript	2025-05-16 23:04:06
2	Julian Meinking	0.09 s	TypeScript	2023-04-13 21:36:30

#	User	Length	Language	Date
1	Hidden user	452	C	2016-09-22 09:05:46
2	Ximun Castoreo	494	C	2020-02-18 14:47:59
3	Matthew Hartono	616	C	2022-09-09 19:10:27
4	鹿目圆	627	C	2019-02-10 09:08:25
5	Eduardo Valdez	633	C	2017-03-02 11:30:23
6	luottis	689	C	2019-02-23 12:36:17
7	cikog54399@bboygarage.com	702	C	2020-12-05 13:22:33
8	Magnus Wass	794	C	2020-06-17 12:48:02
9	Daniele Cursano	838	C	2022-11-22 18:48:54
10	Stiff	870	C	2021-05-22 09:21:37

#	User	Length	Language	Date
1	Rickard Bemm	684	C#	2022-10-01 12:58:12
2	Klas af Geijerstam	817	C#	2017-07-08 22:47:11
3	Thomas Norris	821	C#	2019-11-01 19:09:45
4	Գոռ Բաղդասարյան	905	C#	2025-02-18 10:38:02
5	Göran Andersson	906	C#	2022-05-15 21:52:25
6	Deci Bel	907	C#	2025-11-23 21:58:30
7	Chad Malmrose	1121	C#	2025-02-27 02:46:46
8	Marius Løkketangen	1127	C#	2017-01-22 18:57:07
9	Arne Hatlen	1279	C#	2017-01-22 17:32:39
10	Wendel Fabian Chinsamy	1295	C#	2019-12-04 13:10:12

#	User	Length	Language	Date
1	Hidden user	394	C++	2021-02-25 00:54:52
2	William Gan	418	C++	2017-08-15 06:42:02
3	Richard Putra	452	C++	2018-02-19 06:13:31
4	Simone Moretti	471	C++	2023-03-06 09:18:21
5	Hoàng Bá Tuân	472	C++	2017-10-29 09:19:34
6	Jonathen Adsit	473	C++	2022-04-09 18:47:16
7	bekarhunmain	480	C++	2024-09-01 09:43:12
8	Flor Elisa Chacón Ochoa	485	C++	2018-08-22 03:05:54
9	Hrant Hovhannisyan	493	C++	2017-03-23 15:53:39
10	Julian Neeleman	499	C++	2017-05-04 20:37:16

#	User	Length	Language	Date
1	David Cawthon	829	Common Lisp	2020-06-28 19:12:52

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	977	F#	2022-11-22 19:51:04

#	User	Length	Language	Date
1	Alejandro Germain	658	Go	2018-09-30 18:44:57
2	Ainun Nazieb	728	Go	2020-08-27 12:55:50
3	Arjun Nair	878	Go	2021-05-03 05:14:54
4	Gabriel Díaz	976	Go	2021-07-31 17:14:54
5	Kent Gustavsson	995	Go	2019-06-11 13:41:17
6	Krzysztof Gibuła	1110	Go	2019-03-01 00:05:05
7	Norbert Voelker	1290	Go	2021-05-10 23:27:57
8	Eric Martin	1404	Go	2018-12-31 07:25:18
9	Dan Dumitriu	1882	Go	2021-11-26 23:09:36

#	User	Length	Language	Date
1	Daniel Venable	360	Haskell	2026-01-21 00:28:16
2	Matthew Johnson	462	Haskell	2017-01-03 07:58:11
3	Håkon Flatval	472	Haskell	2018-09-05 23:17:49
4	SiBi	472	Haskell	2019-02-24 03:50:26
5	David Zacek	521	Haskell	2021-05-11 15:55:24
6	Juan Miguel Vilar	576	Haskell	2020-10-02 18:41:51
7	Jan Hlavacek	637	Haskell	2016-11-02 01:34:49
8	Eric Mayhew	653	Haskell	2018-12-06 16:57:23
9	Jeffrey Rosenbluth	686	Haskell	2018-01-19 21:00:57
10	Jørn Lode	717	Haskell	2019-11-09 16:43:45

#	User	Length	Language	Date
1	Thanh Le	580	Java	2022-12-28 14:50:42
2	Robertas Jokubynas	634	Java	2019-10-16 22:06:49
3	Said RIZQUE	675	Java	2021-11-19 15:18:24
4	Boris Tsyganok	702	Java	2018-03-23 20:31:21
5	Prakash Sanyasi	710	Java	2017-04-13 18:25:10
6	Doug Goodman	740	Java	2018-06-19 16:57:10
7	Eric Leow Yu Quan	741	Java	2020-12-12 14:09:07
8	Jason Liu	747	Java	2023-06-17 03:31:47
9	Chance Parsons	762	Java	2022-10-26 00:36:10
10	Mitch Price	763	Java	2016-09-11 22:02:14

#	User	Length	Language	Date
1	Oscar Peulicke	630	JavaScript (Node.js)	2020-10-24 13:16:29
2	asterisk man	715	JavaScript (Node.js)	2021-06-06 18:11:11
3	Sebastian Mineur	825	JavaScript (Node.js)	2021-11-20 12:04:43
4	Kemal Elmizan	869	JavaScript (Node.js)	2020-09-26 19:43:48
5	Chyld Medford	893	JavaScript (Node.js)	2018-11-10 00:09:18
6	Emil Larsson	969	JavaScript (Node.js)	2020-06-24 23:23:02
7	Emil Clemedson	990	JavaScript (Node.js)	2021-08-25 14:44:32
8	Chris Wong	1074	JavaScript (Node.js)	2021-03-12 18:38:15
9	MaxAbillion	1142	JavaScript (Node.js)	2021-05-13 15:38:18
10	Prateek Rohilla	1143	JavaScript (Node.js)	2023-04-13 21:13:56

#	User	Length	Language	Date
1	Jimmy Gustafsson	299	JavaScript (SpiderMonkey)	2024-08-05 09:29:21
2	Christian Pilegaard Cederquist	321	JavaScript (SpiderMonkey)	2023-01-23 16:43:16
3	Peter Kedemo	377	JavaScript (SpiderMonkey)	2016-04-02 16:07:13
4	Bernard Perrin	377	JavaScript (SpiderMonkey)	2019-06-06 00:06:29
5	Zach Tschetter	445	JavaScript (SpiderMonkey)	2023-04-18 04:24:27
6	Bjørn Chr. Soltvedt	494	JavaScript (SpiderMonkey)	2016-04-30 16:54:22
7	Casey Smith	498	JavaScript (SpiderMonkey)	2019-01-31 01:32:27
8	Øyvind Skaar	540	JavaScript (SpiderMonkey)	2017-01-18 22:03:48
9	Peter Menyes	561	JavaScript (SpiderMonkey)	2021-10-13 14:52:24
10	J M	596	JavaScript (SpiderMonkey)	2016-11-21 01:12:47

#	User	Length	Language	Date
1	Danny Robinson	154	Julia	2023-10-18 04:34:12
2	Hidden user	599	Julia	2025-03-17 21:20:40
3	Timothy Gaede	1289	Julia	2024-03-27 04:46:01

#	User	Length	Language	Date
1	Adam Koprowski	776	Kotlin	2021-12-29 22:39:22
2	Dayan Ruben Gonzalez	786	Kotlin	2020-10-01 05:30:13
3	Troy Warmboe	796	Kotlin	2020-03-01 01:21:03
4	Andreas Lagerström	800	Kotlin	2018-03-06 16:41:46
5	Gaurav Tyagi	821	Kotlin	2018-11-22 01:05:14
6	Colin Gay	875	Kotlin	2019-05-23 23:35:32
7	Sergey Jakobsen	926	Kotlin	2021-06-09 14:47:47
8	Adam Rankin	931	Kotlin	2023-05-02 02:12:59
9	Mike Wilkes	965	Kotlin	2018-02-02 04:51:47
10	Michael Menezes	1259	Kotlin	2023-09-17 21:41:24

#	User	Length	Language	Date
1	Shehab Ahmed Hatem	641	Lua	2023-11-14 23:31:37

#	User	Length	Language	Date
1	Ingemar Ragnemalm	954	Pascal	2017-08-07 21:15:14
2	David Connolly	1064	Pascal	2025-11-10 17:13:02

#	User	Length	Language	Date
1	Jeff Cashion	932	PHP	2021-01-11 16:48:41
2	cojonas1	1021	PHP	2021-02-10 11:17:33
3	Erik Boström	1303	PHP	2022-03-23 21:24:19
4	Susanne Ragnemalm	1325	PHP	2018-03-21 21:59:38

#	User	Length	Language	Date
1	Hakan Kjellerstrand	678	Prolog	2023-03-03 00:40:32
2	Andriy Zyevakov	1418	Prolog	2016-11-25 14:45:36
3	Joakim Blikstad	1631	Prolog	2017-04-12 23:23:40

#	User	Length	Language	Date
1	Thomas Feld	195	Python 2	2019-08-21 16:02:40
2	Eoin Davey	268	Python 2	2017-12-23 16:34:14
3	Johan Wind	288	Python 2	2018-03-20 18:43:29
4	Andreas Björklund	290	Python 2	2019-08-24 13:38:38
5	Lars Åström	350	Python 2	2018-11-02 23:44:40
6	Justin Su	366	Python 2	2017-09-19 08:33:59
7	John Grzechowiak	368	Python 2	2017-02-07 05:18:39
8	Douglas Lima	368	Python 2	2020-03-15 20:40:55
9	Jesper Öqvist	379	Python 2	2018-10-25 01:34:47
10	Matt Bonsall	384	Python 2	2016-10-26 03:47:58

#	User	Length	Language	Date
1	Ben Zydney	156	Python 3	2023-10-29 02:50:05
2	Sarek Høverstad Skotåm	176	Python 3	2022-10-01 03:52:52
3	Hidden user	205	Python 3	2026-01-12 13:34:40
4	Vedran Čačić	235	Python 3	2019-03-04 12:36:27
5	Thibault Raffaillac	237	Python 3	2024-07-29 18:30:07
6	Si Jie Tan	240	Python 3	2026-01-16 03:04:03
7	Tai Tze Kin	253	Python 3	2024-04-20 22:52:07
8	Ahmed Chamseddine	255	Python 3	2023-10-13 12:14:17
9	Charles Ancheta	259	Python 3	2023-03-17 04:37:19
10	Herman Karlsson	266	Python 3	2016-10-19 23:54:12

#	User	Length	Language	Date
1	Thomas Feld	136	Ruby	2023-05-12 09:53:09
2	Hidden user	276	Ruby	2019-02-27 17:28:35
3	Ajith Kumar	360	Ruby	2021-01-20 16:42:56
4	Kok Dith	402	Ruby	2021-08-24 03:47:22
5	Dalton Parker Caron	447	Ruby	2019-01-04 01:04:15
6	Sebastian Craig	494	Ruby	2016-10-20 04:42:16
7	CodeVision	554	Ruby	2020-12-27 15:35:16
8	Marie Cornellier	560	Ruby	2021-09-03 03:06:02
9	Macdara mac an tSionnaigh	565	Ruby	2019-11-22 22:27:14
10	Hidden user	577	Ruby	2019-03-15 20:26:55

#	User	Length	Language	Date
1	Vincent Lagerros	809	Rust	2025-03-06 13:58:25
2	Freek van Keulen	1108	Rust	2021-12-19 16:56:05
3	Joacim Norlén	1320	Rust	2021-04-22 08:29:49
4	Chris Seager	1400	Rust	2025-03-27 01:20:00
5	Sasidhar Movva	1448	Rust	2021-07-27 04:36:12
6	Lars Mühmel	1472	Rust	2020-09-24 18:16:38
7	David Wilkinson	1474	Rust	2023-01-26 17:38:42
8	Eric Pinter	1513	Rust	2021-05-18 06:03:58
9	Robert Janczewski	1554	Rust	2020-02-05 19:41:12
10	Hidden user	1630	Rust	2019-11-28 20:36:38

#	User	Length	Language	Date
1	Julian Meinking	1186	TypeScript	2023-04-13 21:36:30
2	Soren Basnet	1301	TypeScript	2025-05-16 23:04:06

Solution running time distribution