Problem I
Simplicity — Problem Statistics

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Submissions	4354
Accepted submissions	1600
Submission ratio	36.75%
Authors	1563
Full solves [?]	1340
Full solve Ratio	85.73%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.07 s	Bash	2023-12-22 13:29:51

#	User	Runtime	Language	Date
1	Duelene Olson	0.02 s	C#	2016-11-03 04:09:55
2	Pavel Volgarev	0.02 s	C#	2016-11-28 04:52:50
3	Aljaž Kosmač	0.02 s	C#	2016-11-29 18:58:58
4	Khin Nyunt	0.02 s	C#	2017-01-04 12:38:10
5	Rasmus Brants	0.02 s	C#	2017-05-09 13:13:39
6	Andrzej Krajniak	0.02 s	C#	2017-11-08 17:48:34
7	Marek	0.02 s	C#	2017-11-08 17:57:15
8	Krzysztof Fryzlewicz	0.02 s	C#	2017-11-08 18:14:43
9	Firas Al Omary	0.02 s	C#	2018-07-26 10:07:39
10	Shiyi Du	0.02 s	C#	2018-10-10 03:17:07

#	User	Runtime	Language	Date
1	David Cawthon	0.01 s	Common Lisp	2020-08-29 04:08:04
2	Ari Páll Agnarsson	0.01 s	Common Lisp	2021-01-18 19:06:30

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.05 s	F#	2023-04-16 19:46:40

#	User	Runtime	Language	Date
1	Khin Nyunt	0.00 s	Go	2023-09-06 17:54:14
2	Kaspar Tvedt Moberg	0.00 s	Go	2023-09-09 15:06:48
3	Daniel Agatan	0.00 s	Go	2025-02-25 09:09:56
4	Fikri Sundayana	0.08 s	Go	2019-07-13 17:26:34
5	Norbert Voelker	0.08 s	Go	2021-09-13 18:21:39
6	Kristoffer Åhgren	0.09 s	Go	2017-05-17 07:19:08
7	Irina Borozdina	0.09 s	Go	2022-10-15 18:47:52

#	User	Runtime	Language	Date
1	Patrik Lilja	0.00 s	Haskell	2017-03-05 22:22:32
2	Brent Yorgey	0.00 s	Haskell	2017-11-12 07:11:05
3	Mason Barnhill	0.00 s	Haskell	2023-04-22 17:20:02
4	Eric Mayhew	0.00 s	Haskell	2023-08-17 02:19:28
5	Steinar Simonnes	0.00 s	Haskell	2024-06-10 09:52:14
6	Aurélien Pepin	0.01 s	Haskell	2019-08-23 16:12:04
7	Hidden user	0.01 s	Haskell	2019-11-06 18:22:10
8	Bjarki Baldursson Harksen	0.01 s	Haskell	2021-01-18 23:42:39
9	Jan Hrček	0.01 s	Haskell	2021-04-03 13:55:32
10	Md Akif Chowdhury	0.01 s	Haskell	2023-09-18 23:11:15

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.04 s	Java	2025-02-20 08:08:59
2	Ronald Rojas	0.05 s	Java	2016-10-23 21:33:40
3	Ethan Toney	0.05 s	Java	2016-10-25 18:50:00
4	Micah Stairs	0.05 s	Java	2016-10-26 17:11:13
5	Martijn Muijsers	0.05 s	Java	2016-10-26 20:19:57
6	Michel Langeveld	0.05 s	Java	2016-11-10 22:14:59
7	Terrence Park	0.05 s	Java	2016-12-02 07:26:52
8	Samuel Klingström	0.05 s	Java	2017-06-20 00:33:09
9	Aldo Chow	0.05 s	Java	2017-07-03 07:24:58
10	Kenneth Yang	0.05 s	Java	2017-09-30 22:46:15

#	User	Runtime	Language	Date
1	Amir Konjkav	0.04 s	JavaScript (Node.js)	2024-11-04 13:19:20
2	Erlend Raa Vågset	0.04 s	JavaScript (Node.js)	2025-10-09 16:40:07
3	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-05-01 07:01:54
4	Khin Nyunt	0.42 s	JavaScript (Node.js)	2021-11-30 16:22:54

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-10-23 21:07:56
2	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-10-25 20:43:28
3	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-02-02 23:39:16
4	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-06-12 20:47:19
5	Nguyễn Mạnh Phúc	0.03 s	JavaScript (SpiderMonkey)	2018-08-20 05:31:21
6	Samuel Jefferis	0.03 s	JavaScript (SpiderMonkey)	2020-11-02 01:48:02

#	User	Runtime	Language	Date
1	Hidden user	0.55 s	Julia	2023-10-29 07:41:47
2	Timothy Gaede	0.73 s	Julia	2024-05-02 07:18:58

#	User	Runtime	Language	Date
1	Dayan Ruben Gonzalez	0.16 s	Kotlin	2020-09-28 01:36:01
2	Hidden user	0.17 s	Kotlin	2017-11-19 08:00:59
3	Banafshe Bamdad	0.17 s	Kotlin	2021-03-31 15:32:02
4	Maryam Shafizadegan	0.19 s	Kotlin	2021-04-26 15:29:28
5	Masoud Soleimani	0.19 s	Kotlin	2021-05-03 15:16:23
6	Neil Harmon	0.20 s	Kotlin	2019-11-07 15:21:33
7	Jacob Huebner	0.20 s	Kotlin	2020-02-28 17:33:46
8	arda atci	0.20 s	Kotlin	2020-09-04 23:55:23
9	Merih Bora Poçan	0.20 s	Kotlin	2020-09-13 00:20:27
10	Adam Rankin	0.20 s	Kotlin	2023-08-31 00:17:24

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2023-06-20 21:43:52

#	User	Runtime	Language	Date
1	Pyae Phyo Hein	0.01 s	PHP	2023-10-02 05:41:56
2	nanoo hlaing	0.01 s	PHP	2023-10-04 10:25:07

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2018-12-07 18:50:09

#	User	Runtime	Language	Date
1	Haggai Liu	0.02 s	Python 2	2017-03-31 00:03:46
2	Kasper Borys	0.02 s	Python 2	2017-04-05 05:01:00
3	Shardul Deshpande	0.02 s	Python 2	2017-08-25 09:23:27
4	Tomas Alvarez	0.02 s	Python 2	2017-08-30 21:20:51
5	Rhys Balevicius	0.02 s	Python 2	2017-10-31 02:24:30
6	Andrei Stoica	0.02 s	Python 2	2017-11-21 17:28:29
7	Cheng Hang	0.02 s	Python 2	2017-12-05 11:00:37
8	Hidden user	0.02 s	Python 2	2018-01-07 10:23:09
9	Hermon Mulat	0.02 s	Python 2	2018-01-11 05:34:30
10	Stu Harvey	0.03 s	Python 2	2016-10-23 19:19:19

#	User	Runtime	Language	Date
1	John Barczynski	0.02 s	Python 3	2016-10-23 19:26:14
2	Brian McCutchon	0.02 s	Python 3	2016-10-23 19:48:22
3	James Staffen	0.02 s	Python 3	2016-10-23 20:14:11
4	Christian Lindeström	0.02 s	Python 3	2016-10-23 21:53:07
5	Gustaf Pihl	0.02 s	Python 3	2016-11-01 02:42:47
6	Tore Norderud	0.02 s	Python 3	2016-11-08 00:58:50
7	Wayne	0.02 s	Python 3	2016-11-13 21:58:20
8	Tom Biju	0.02 s	Python 3	2016-11-14 20:18:14
9	Davi Ajmaya	0.02 s	Python 3	2016-11-22 17:14:40
10	Alan Grant	0.02 s	Python 3	2016-11-24 19:52:21

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-01-05 16:26:44
2	Clement Oh	0.06 s	Ruby	2023-10-30 08:43:58
3	Chenzhang Hu	0.07 s	Ruby	2023-12-22 13:37:56

#	User	Runtime	Language	Date
1	Isak Jägberg	0.00 s	Rust	2020-11-13 10:53:40
2	Bas Dirks	0.00 s	Rust	2022-01-23 07:27:39
3	Axel Lundberg	0.00 s	Rust	2022-06-19 01:55:14
4	Petr Sabel	0.00 s	Rust	2023-09-22 09:04:15
5	David Rasch	0.00 s	Rust	2024-01-17 12:15:23
6	Vincent Lagerros	0.00 s	Rust	2024-11-17 16:31:50

#	User	Length	Language	Date
1	Chenzhang Hu	48	Bash	2025-09-13 02:15:11

#	User	Length	Language	Date
1	Julian Duniec	449	C	2023-08-22 11:56:55
2	kaminipaty sai nidhin	540	C	2020-09-04 13:49:49
3	Jón Steinn Elíasson	602	C	2017-04-25 15:40:39
4	Bantu Maruthi	602	C	2021-01-16 06:54:08
5	Gavon Dengate	605	C	2018-01-10 16:32:44
6	Andrew Roberts	608	C	2017-09-07 07:02:44
7	Ling Wen Jian	610	C	2019-01-11 05:23:09
8	Raymond Yang	622	C	2021-06-15 23:23:55
9	Alexander Davies	652	C	2018-01-17 16:43:20
10	Sveinn Máni Jónsson	684	C	2021-01-22 16:07:50

#	User	Length	Language	Date
1	Krzysztof Fryzlewicz	389	C#	2017-11-08 18:14:43
2	Khin Nyunt	425	C#	2017-01-04 12:38:10
3	Michael Damsgaard	477	C#	2025-01-04 06:45:37
4	Rasmus Brants	753	C#	2017-05-09 13:13:39
5	Martin Liu	763	C#	2023-09-06 22:57:09
6	Ali Aliev	790	C#	2024-07-12 20:56:21
7	Shiyi Du	907	C#	2018-10-10 03:17:07
8	Kirstine Jørgensen	1028	C#	2022-09-12 14:34:43
9	Brutus Hansson	1112	C#	2019-02-02 17:55:54
10	Duelene Olson	1218	C#	2016-11-03 04:09:55

#	User	Length	Language	Date
1	Frans Meulenbroeks	207	C++	2024-10-02 17:59:58
2	Vladyslav Reznikov	230	C++	2022-07-08 16:39:52
3	Yeung Man Tsung	233	C++	2022-11-27 15:42:11
4	Howard Cheng	237	C++	2016-10-25 21:14:12
5	Johan Wind	243	C++	2018-04-10 17:06:17
6	Erin Green	264	C++	2023-09-16 19:53:37
7	Solomon Bekele	272	C++	2021-06-26 18:51:35
8	Ghazal Rabiei	273	C++	2020-11-11 14:53:21
9	Darshan Godhia	278	C++	2016-10-23 19:52:59
10	Lim An Jun	284	C++	2023-01-21 11:34:31

#	User	Length	Language	Date
1	David Cawthon	592	Common Lisp	2020-08-29 04:08:04
2	Ari Páll Agnarsson	1552	Common Lisp	2021-01-18 19:06:30

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	501	F#	2023-04-16 19:46:40

#	User	Length	Language	Date
1	Kristoffer Åhgren	452	Go	2017-05-17 07:19:08
2	Irina Borozdina	544	Go	2022-10-15 18:47:52
3	Daniel Agatan	686	Go	2025-02-25 09:09:56
4	Norbert Voelker	699	Go	2021-09-13 18:21:39
5	Kaspar Tvedt Moberg	703	Go	2023-09-09 15:06:48
6	Khin Nyunt	853	Go	2023-09-06 17:54:14
7	Fikri Sundayana	879	Go	2019-07-13 17:26:34

#	User	Length	Language	Date
1	Md Akif Chowdhury	182	Haskell	2023-09-18 23:11:15
2	Patrik Lilja	252	Haskell	2017-03-05 22:22:32
3	Jan Hrček	411	Haskell	2021-04-03 13:55:32
4	Bjarki Baldursson Harksen	514	Haskell	2021-01-18 23:42:39
5	Aurélien Pepin	560	Haskell	2019-08-23 16:12:04
6	Eric Mayhew	598	Haskell	2023-08-17 02:19:28
7	Brent Yorgey	652	Haskell	2017-11-12 07:11:05
8	Steinar Simonnes	740	Haskell	2024-06-10 09:53:50
9	Mason Barnhill	756	Haskell	2023-04-22 17:20:02
10	Hidden user	10067	Haskell	2019-11-06 18:22:10

#	User	Length	Language	Date
1	Mitch Price	358	Java	2016-11-13 05:00:11
2	Peter Steele	380	Java	2016-10-23 19:14:50
3	Theodoric Keith Lim	402	Java	2020-07-04 02:24:53
4	Aga Natanauan	417	Java	2023-05-19 04:44:19
5	Thomas King	428	Java	2020-08-04 23:00:31
6	Tan Jia Hang	440	Java	2022-02-12 16:10:03
7	Doug Goodman	444	Java	2017-08-16 23:34:36
8	Ximon Dovan	444	Java	2023-05-08 16:51:40
9	Suraj Punjabi	451	Java	2022-04-04 05:07:16
10	Axxeldan Gracio	453	Java	2023-05-18 07:19:43

#	User	Length	Language	Date
1	Erlend Raa Vågset	273	JavaScript (Node.js)	2025-10-09 16:40:07
2	Amir Konjkav	785	JavaScript (Node.js)	2024-11-04 13:19:20
3	Khin Nyunt	875	JavaScript (Node.js)	2021-11-30 16:22:54
4	Sander Hellesø	923	JavaScript (Node.js)	2019-05-01 07:01:54

#	User	Length	Language	Date
1	Zach Tschetter	189	JavaScript (SpiderMonkey)	2023-06-13 01:00:59
2	Christian Pilegaard Cederquist	208	JavaScript (SpiderMonkey)	2023-02-02 23:39:16
3	Nguyễn Mạnh Phúc	274	JavaScript (SpiderMonkey)	2018-08-20 05:31:21
4	Peter Kedemo	340	JavaScript (SpiderMonkey)	2016-10-25 20:43:28
5	Bjørn Chr. Soltvedt	414	JavaScript (SpiderMonkey)	2016-10-23 21:07:56
6	Samuel Jefferis	794	JavaScript (SpiderMonkey)	2020-11-02 01:48:02

#	User	Length	Language	Date
1	Hidden user	308	Julia	2023-10-29 07:41:47
2	Timothy Gaede	644	Julia	2024-05-02 07:18:58

#	User	Length	Language	Date
1	Mohamadhassan Ebrahimi	174	Kotlin	2019-11-06 14:28:15
2	Dayan Ruben Gonzalez	279	Kotlin	2020-09-28 01:36:01
3	Chris Johnson	289	Kotlin	2025-04-05 03:43:48
4	Adam Rankin	301	Kotlin	2023-08-31 00:17:24
5	Mohsen Dehbashi	323	Kotlin	2019-10-27 16:13:04
6	Mohamma Ali Bashari movahhed	342	Kotlin	2019-11-06 17:09:07
7	Hidden user	354	Kotlin	2019-10-28 16:41:20
8	Jacob Huebner	356	Kotlin	2020-02-28 17:33:46
9	Phường Lên	374	Kotlin	2019-10-28 18:52:02
10	Maryam Shafizadegan	541	Kotlin	2021-04-26 15:29:28

#	User	Length	Language	Date
1	Ingemar Ragnemalm	781	Pascal	2023-06-20 21:43:52

#	User	Length	Language	Date
1	nanoo hlaing	326	PHP	2023-10-04 10:25:07
2	Pyae Phyo Hein	384	PHP	2023-10-02 05:41:56

#	User	Length	Language	Date
1	Andriy Zyevakov	580	Prolog	2018-12-07 18:50:09

#	User	Length	Language	Date
1	Thomas Feld	115	Python 2	2019-09-24 08:56:04
2	Kasper Borys	148	Python 2	2017-04-05 05:01:00
3	Lars Åström	149	Python 2	2019-10-10 16:48:14
4	Haggai Liu	154	Python 2	2017-03-31 00:03:46
5	Lim Hong Hui Eugene	164	Python 2	2019-04-11 06:01:42
6	Hidden user	185	Python 2	2017-02-19 12:21:49
7	David Hou	196	Python 2	2018-10-12 02:07:58
8	Haochen Chen	199	Python 2	2016-10-23 19:34:55
9	Johan Lyts	206	Python 2	2019-12-12 21:49:20
10	Andreas Björklund	209	Python 2	2019-04-09 16:07:43

#	User	Length	Language	Date
1	Clement Oh	52	Python 3	2023-05-20 06:27:49
2	Benjamin Z White	57	Python 3	2023-05-12 15:41:48
3	Gaelan McMillan	64	Python 3	2023-03-04 01:33:57
4	Christian Lindeström	68	Python 3	2016-10-23 21:53:07
5	Ahmed Chamseddine	68	Python 3	2023-09-01 11:05:34
6	Peter Stauder	69	Python 3	2022-09-10 21:46:03
7	Simon Baeckelant	69	Python 3	2025-11-12 14:09:47
8	Lawry Sorenson	76	Python 3	2023-01-28 00:46:04
9	Charles Ancheta	76	Python 3	2023-04-13 03:02:05
10	Paul Swingle	77	Python 3	2022-12-17 19:19:12

#	User	Length	Language	Date
1	Chenzhang Hu	41	Ruby	2023-12-22 13:37:56
2	Thomas Feld	45	Ruby	2023-01-05 16:28:26
3	Clement Oh	54	Ruby	2023-10-30 08:43:58

#	User	Length	Language	Date
1	Vincent Lagerros	288	Rust	2024-11-17 16:32:42
2	David Rasch	582	Rust	2024-01-17 12:15:23
3	Bas Dirks	592	Rust	2022-01-23 07:27:39
4	Axel Lundberg	754	Rust	2022-06-19 01:55:14
5	Isak Jägberg	817	Rust	2020-11-13 10:53:40
6	Petr Sabel	827	Rust	2023-09-22 09:04:15

Solution running time distribution