Problem A
Metaprogramming — Problem Statistics

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Submissions	4413
Accepted submissions	1880
Submission ratio	42.60%
Authors	1741
Full solves [?]	1547
Full solve Ratio	88.86%

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-09-11 12:19:37

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2017-06-23 05:36:55
2	Bergur Snorrason	0.00 s	C	2018-11-03 17:01:29
3	Þórður Agust	0.00 s	C	2019-01-22 21:23:36
4	Tristen Tulkens	0.01 s	C	2017-10-01 18:32:37
5	Sami Al Chalati	0.09 s	C	2024-07-06 16:13:26
6	Christian Mortensen	0.10 s	C	2018-02-23 15:01:09
7	Einar Indridason	0.12 s	C	2017-06-29 15:27:22

#	User	Runtime	Language	Date
1	Adrian Reithaug	0.03 s	C#	2017-09-18 16:34:10
2	Michal Ogluszka	0.04 s	C#	2015-09-23 14:49:38
3	Joseph Dukes	0.04 s	C#	2016-02-20 19:11:53
4	Raja Sanjeev Kumar Nakka	0.04 s	C#	2016-05-10 02:24:44
5	Robert Low	0.04 s	C#	2016-07-16 17:35:03
6	Khin Nyunt	0.04 s	C#	2017-02-26 14:41:37
7	Adam Mellen	0.04 s	C#	2017-09-29 11:06:06
8	Hidden user	0.04 s	C#	2017-10-13 13:24:25
9	Саттар Имамов	0.04 s	C#	2017-11-13 16:16:06
10	John Ladera	0.04 s	C#	2018-07-28 02:54:25

#	User	Runtime	Language	Date
1	David Cawthon	0.04 s	Common Lisp	2020-07-05 03:02:15
2	Johan Sjolen	0.06 s	Common Lisp	2018-12-22 20:45:49

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.10 s	F#	2022-11-11 21:59:52

#	User	Runtime	Language	Date
1	Julian Duniec	0.01 s	Go	2023-09-18 19:30:44
2	Dick Appel	0.09 s	Go	2019-09-11 18:51:15
3	Liam Scalzulli	0.09 s	Go	2021-12-30 02:13:52
4	Chris Linton	0.10 s	Go	2018-02-24 04:10:22
5	Ainun Nazieb	0.10 s	Go	2020-09-25 01:33:28
6	Evelyn May	0.10 s	Go	2020-12-06 08:06:14
7	Norbert Voelker	0.10 s	Go	2021-05-21 20:23:54
8	Resa Renaldy	0.10 s	Go	2021-08-03 06:40:25
9	Nathan Wilkinson	0.11 s	Go	2018-02-23 16:27:08
10	Hidden user	0.68 s	Go	2016-08-27 12:33:17

#	User	Runtime	Language	Date
1	Øyvind Almli	0.01 s	Haskell	2023-01-06 14:15:03
2	Steinar Simonnes	0.02 s	Haskell	2024-02-27 17:39:19
3	Christian Leipe	0.05 s	Haskell	2016-03-01 07:43:36
4	Brent Yorgey	0.05 s	Haskell	2017-10-01 14:09:18
5	Ricky Elrod	0.05 s	Haskell	2018-01-06 20:02:33
6	William Ball	0.06 s	Haskell	2022-05-30 02:47:06
7	Jan Hrček	0.07 s	Haskell	2021-03-25 06:01:12
8	Peter Deal	0.27 s	Haskell	2016-05-14 00:21:35
9	Vegard Itland	0.39 s	Haskell	2017-08-29 14:01:12
10	Hidden user	0.75 s	Haskell	2019-11-04 15:27:36

#	User	Runtime	Language	Date
1	Samuel Klingström	0.08 s	Java	2017-09-29 19:25:50
2	Đức Phạm Hoài	0.10 s	Java	2018-05-31 10:53:22
3	Nick Wu	0.12 s	Java	2015-11-07 23:22:55
4	Dennis Ang	0.13 s	Java	2015-10-05 08:06:00
5	Nguyệt Nguyễn	0.13 s	Java	2017-03-16 21:58:02
6	Joar Rutqvist	0.13 s	Java	2018-01-27 16:24:09
7	Terrence Park	0.13 s	Java	2018-03-07 18:49:42
8	Sven Rönnbäck	0.13 s	Java	2021-09-10 16:23:05
9	Dat Vo Nguyen Tien	0.13 s	Java	2021-10-21 13:52:47
10	James Black	0.14 s	Java	2018-01-25 22:09:59

#	User	Runtime	Language	Date
1	Sander Hellesø	0.15 s	JavaScript (Node.js)	2019-04-13 23:54:13
2	Kent Tsuenchy	0.17 s	JavaScript (Node.js)	2018-10-30 23:16:24
3	Samuel Högfeldt	0.18 s	JavaScript (Node.js)	2022-08-25 14:09:59
4	Ster Sar	0.22 s	JavaScript (Node.js)	2023-06-18 21:34:20
5	Khin Nyunt	0.54 s	JavaScript (Node.js)	2021-11-23 14:33:31
6	Rick van Rheenen	0.55 s	JavaScript (Node.js)	2020-04-15 21:58:51
7	Niamh Limerick	0.55 s	JavaScript (Node.js)	2022-03-25 10:52:27
8	Quinn Flavel	0.56 s	JavaScript (Node.js)	2020-09-22 21:44:49
9	Tanner Wuster	0.56 s	JavaScript (Node.js)	2021-03-15 16:50:55
10	Koby Lewis	0.59 s	JavaScript (Node.js)	2022-02-25 02:38:58

#	User	Runtime	Language	Date
1	Peter Kedemo	0.03 s	JavaScript (SpiderMonkey)	2016-09-24 17:42:41
2	Jerry Zhu	0.03 s	JavaScript (SpiderMonkey)	2017-10-07 01:01:21
3	Dan Ahl	0.03 s	JavaScript (SpiderMonkey)	2018-02-26 22:15:17
4	Michael Laszlo	0.04 s	JavaScript (SpiderMonkey)	2016-10-19 12:33:23
5	Peter Menyes	0.04 s	JavaScript (SpiderMonkey)	2021-10-16 14:15:07
6	Jimmy Gustafsson	0.04 s	JavaScript (SpiderMonkey)	2024-08-06 13:25:56
7	Johannes Jensen	0.05 s	JavaScript (SpiderMonkey)	2016-03-06 11:38:53
8	Christian Pilegaard Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-01-31 15:36:54
9	Andrea Bianchessi	0.08 s	JavaScript (SpiderMonkey)	2017-10-23 20:35:50
10	Bjørn Chr. Soltvedt	0.91 s	JavaScript (SpiderMonkey)	2016-02-22 01:38:51

#	User	Runtime	Language	Date
1	Timothy Gaede	0.62 s	Julia	2024-05-05 02:36:21
2	Danny Robinson	0.70 s	Julia	2023-09-11 12:13:00

#	User	Runtime	Language	Date
1	Jahid Hasan Imon	0.22 s	Kotlin	2020-07-12 19:32:19
2	Jacob Huebner	0.26 s	Kotlin	2020-04-20 09:52:10
3	Przemysław Curzytek	0.33 s	Kotlin	2018-11-23 03:52:00
4	Adam Rankin	0.34 s	Kotlin	2023-05-09 04:21:42
5	Marcin Wiśniowski	0.38 s	Kotlin	2017-09-29 11:59:12
6	Dayan Ruben Gonzalez	0.38 s	Kotlin	2020-10-02 04:18:25
7	Zaw Myat	0.38 s	Kotlin	2023-12-19 16:13:14
8	Hidden user	0.45 s	Kotlin	2017-12-05 20:37:16
9	Bradley Richards	0.46 s	Kotlin	2023-03-06 10:36:55
10	Neil Harmon	0.47 s	Kotlin	2019-09-24 10:42:01

#	User	Runtime	Language	Date
1	Jonas Winje	0.02 s	Lua	2025-03-24 17:31:34
2	Shehab Ahmed Hatem	0.03 s	Lua	2023-12-04 12:38:13

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.04 s	Pascal	2019-12-07 10:56:14
2	Nguyen Hoang Trung	0.40 s	Pascal	2017-06-28 14:28:35
3	David Connolly	0.56 s	Pascal	2025-09-10 16:57:14

#	User	Runtime	Language	Date
1	Anders Larsson	0.02 s	PHP	2020-04-04 16:09:07

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.24 s	Prolog	2023-03-06 09:52:36

#	User	Runtime	Language	Date
1	Maksym Bendeberia	0.06 s	Python 2	2016-08-30 09:50:20
2	Martin Wan	0.06 s	Python 2	2017-06-29 01:18:51
3	Adithya Suresh	0.06 s	Python 2	2017-10-01 03:47:23
4	钟佳雯	0.06 s	Python 2	2017-10-01 16:04:58
5	Oskar Haarklou Veileborg	0.06 s	Python 2	2017-12-20 23:33:56
6	Vifill Sverrisson	0.06 s	Python 2	2018-01-08 20:05:12
7	Nicholas Zhang	0.06 s	Python 2	2018-02-07 01:26:50
8	Eoin Davey	0.06 s	Python 2	2018-03-26 15:11:26
9	Jimmy Wu	0.06 s	Python 2	2018-10-30 22:34:03
10	Jesper Öqvist	0.06 s	Python 2	2018-10-31 07:57:04

#	User	Runtime	Language	Date
1	Andrew Fales	0.02 s	Python 3	2018-02-23 20:39:53
2	Martin Stensgård	0.03 s	Python 3	2016-04-30 09:11:17
3	Christian Lindeström	0.03 s	Python 3	2016-10-12 11:31:09
4	Tin Anh Nguyen	0.03 s	Python 3	2016-10-15 19:27:25
5	Alex Weil	0.03 s	Python 3	2017-01-09 17:59:57
6	Francisco Martín Mateos	0.03 s	Python 3	2017-03-28 11:33:12
7	Ciara Godwin	0.03 s	Python 3	2017-05-31 01:43:00
8	Jón Steinn Elíasson	0.03 s	Python 3	2017-06-23 01:39:14
9	Денис Соболев	0.03 s	Python 3	2017-07-10 16:44:46
10	Melody Horn	0.03 s	Python 3	2017-08-30 01:14:09

#	User	Runtime	Language	Date
1	Patrik Lilja	0.04 s	Ruby	2017-04-09 16:59:21
2	Axel Bergström	0.04 s	Ruby	2018-02-26 13:13:30
3	Axel Matstoms	0.04 s	Ruby	2018-02-26 22:17:19
4	Casper Christensen	0.05 s	Ruby	2016-03-03 14:47:14
5	Hassan Al-ubeidi	0.05 s	Ruby	2017-09-29 12:29:14
6	Shawn D.	0.06 s	Ruby	2019-02-01 23:53:09
7	Emil Kneutgen	0.06 s	Ruby	2022-02-05 19:46:59
8	Kieran Maharaj	0.07 s	Ruby	2020-06-24 14:48:19
9	Hidden user	0.07 s	Ruby	2022-02-03 17:34:48
10	Maxime Le Besnerais	0.07 s	Ruby	2023-12-20 14:22:38

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-03-14 19:54:40
2	Loïc CARR	0.01 s	Rust	2018-12-15 21:51:57
3	Pahlevi Fikri Auliya	0.01 s	Rust	2020-11-01 21:33:23
4	Eric Pinter	0.01 s	Rust	2021-07-02 01:43:11
5	David Rasch	0.01 s	Rust	2021-11-20 12:06:42
6	Bas Dirks	0.01 s	Rust	2022-01-09 14:56:57
7	Alex Renfors	0.01 s	Rust	2022-01-30 21:24:00
8	Emil Skydsgaard	0.01 s	Rust	2022-07-15 13:14:46
9	Øyvind Almli	0.01 s	Rust	2023-01-06 13:53:47
10	David Wilkinson	0.01 s	Rust	2023-02-14 16:06:15

#	User	Length	Language	Date
1	Danny Robinson	119	Bash	2023-09-11 12:19:37

#	User	Length	Language	Date
1	Christian Mortensen	2125	C	2018-02-23 15:01:09
2	Einar Indridason	2883	C	2017-06-29 15:27:22
3	Þórður Agust	3003	C	2019-01-22 21:23:36
4	Tristen Tulkens	3268	C	2017-10-01 18:32:37
5	Sami Al Chalati	3315	C	2024-07-06 16:13:26
6	Hidden user	4450	C	2017-06-23 05:36:55
7	Bergur Snorrason	10172	C	2018-11-03 17:00:40

#	User	Length	Language	Date
1	traxex	656	C#	2024-05-27 12:15:23
2	Göran Andersson	878	C#	2022-05-21 17:28:12
3	Lucía María Alvarez Sánchez	878	C#	2023-04-18 23:32:29
4	Renata Magaña Ramírez de Arellano	878	C#	2023-04-24 06:19:27
5	Diego Lara Ponce	882	C#	2023-05-30 23:28:35
6	John Ladera	899	C#	2018-07-28 02:56:18
7	Kalle Hansen	899	C#	2021-04-20 12:53:25
8	Jola Reszko	899	C#	2021-10-14 17:20:55
9	Bruno Daniel Hernández Chagoya	899	C#	2022-11-18 21:33:59
10	Diego Ander Jardón Martínez	899	C#	2023-02-28 01:26:03

#	User	Length	Language	Date
1	Andrey Chumachenko	567	C++	2017-11-12 05:10:45
2	luHere	579	C++	2023-06-25 02:40:07
3	Mohammad Sadeghi	586	C++	2019-07-18 18:02:45
4	Li Yao'an	591	C++	2017-01-19 16:05:23
5	Kai Yuan Thng	600	C++	2017-01-19 12:10:49
6	Grae Yeandle	600	C++	2018-04-03 06:59:18
7	Tan Teong Seng	612	C++	2021-03-24 08:52:35
8	Christian Yongwhan Lim	633	C++	2023-06-11 21:36:43
9	William Gan	643	C++	2017-01-18 16:06:09
10	Ritchie Goldwin	645	C++	2019-05-11 03:58:29

#	User	Length	Language	Date
1	David Cawthon	896	Common Lisp	2020-07-05 03:02:15
2	Johan Sjolen	1138	Common Lisp	2018-12-22 20:45:49

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1261	F#	2022-11-11 21:59:52

#	User	Length	Language	Date
1	Liam Scalzulli	689	Go	2021-12-30 02:13:52
2	Nathan Wilkinson	788	Go	2018-02-23 16:27:08
3	Evelyn May	797	Go	2020-12-06 08:06:14
4	Dick Appel	798	Go	2019-09-11 18:51:15
5	Julian Duniec	819	Go	2023-09-18 19:30:44
6	Resa Renaldy	963	Go	2021-08-03 06:40:25
7	Ainun Nazieb	994	Go	2020-09-25 01:33:28
8	Norbert Voelker	1057	Go	2021-05-21 20:23:54
9	Chris Linton	2049	Go	2018-02-24 04:10:22
10	Hidden user	2791	Go	2016-08-27 12:33:17

#	User	Length	Language	Date
1	Øyvind Almli	698	Haskell	2023-01-06 14:09:19
2	Brent Yorgey	909	Haskell	2017-10-01 14:09:18
3	Steinar Simonnes	933	Haskell	2024-02-27 17:39:19
4	Jan Hrček	952	Haskell	2021-03-25 06:02:32
5	Peter Deal	1073	Haskell	2016-05-14 00:21:35
6	Ricky Elrod	1091	Haskell	2018-01-06 20:02:33
7	William Ball	1258	Haskell	2022-05-30 02:47:06
8	Christian Leipe	1845	Haskell	2016-03-01 07:43:36
9	Vegard Itland	3757	Haskell	2017-08-29 14:01:12
10	Hidden user	11560	Haskell	2019-11-04 15:27:36

#	User	Length	Language	Date
1	Caleb Reath	832	Java	2017-10-13 03:38:37
2	Daniel Nguyen	851	Java	2020-11-02 22:48:56
3	Eric Leow Yu Quan	857	Java	2020-12-16 13:41:12
4	Yeo Tong	860	Java	2019-03-22 05:09:02
5	Ye Min Aung	873	Java	2020-04-27 14:40:21
6	Doug Goodman	881	Java	2018-02-20 22:32:03
7	Natalie Longtin	889	Java	2018-01-22 19:17:54
8	Marshall D Feng	918	Java	2022-01-10 19:46:28
9	Kiên Nguyễn Tiến Trung	920	Java	2017-01-22 19:08:01
10	Sun Yucheng	924	Java	2022-07-15 13:53:21

#	User	Length	Language	Date
1	Rick van Rheenen	637	JavaScript (Node.js)	2020-04-15 21:58:51
2	Ster Sar	637	JavaScript (Node.js)	2023-06-18 21:34:20
3	Tanner Wuster	639	JavaScript (Node.js)	2021-03-15 16:50:55
4	Quinn Flavel	730	JavaScript (Node.js)	2020-09-22 21:44:49
5	Kent Tsuenchy	805	JavaScript (Node.js)	2018-10-30 23:16:24
6	Koby Lewis	1023	JavaScript (Node.js)	2022-02-25 02:38:58
7	Sander Hellesø	1193	JavaScript (Node.js)	2019-04-13 23:54:13
8	Samuel Högfeldt	1311	JavaScript (Node.js)	2022-08-25 14:09:59
9	Niamh Limerick	1465	JavaScript (Node.js)	2022-03-25 10:52:27
10	Khin Nyunt	1703	JavaScript (Node.js)	2021-11-23 14:33:31

#	User	Length	Language	Date
1	Jimmy Gustafsson	223	JavaScript (SpiderMonkey)	2024-08-06 13:25:56
2	Andrea Bianchessi	503	JavaScript (SpiderMonkey)	2017-10-23 20:35:50
3	Peter Menyes	552	JavaScript (SpiderMonkey)	2021-10-16 14:13:10
4	Peter Kedemo	573	JavaScript (SpiderMonkey)	2016-09-24 17:42:41
5	Christian Pilegaard Cederquist	574	JavaScript (SpiderMonkey)	2023-01-31 15:36:54
6	Johannes Jensen	804	JavaScript (SpiderMonkey)	2016-03-06 11:38:53
7	Dan Ahl	805	JavaScript (SpiderMonkey)	2018-02-26 22:15:17
8	Jerry Zhu	814	JavaScript (SpiderMonkey)	2017-10-07 01:01:21
9	Michael Laszlo	948	JavaScript (SpiderMonkey)	2016-10-19 12:33:23
10	Bjørn Chr. Soltvedt	1025	JavaScript (SpiderMonkey)	2016-02-22 01:38:51

#	User	Length	Language	Date
1	Danny Robinson	194	Julia	2023-09-11 12:13:00
2	Timothy Gaede	576	Julia	2024-05-05 02:36:21

#	User	Length	Language	Date
1	Hidden user	654	Kotlin	2017-12-05 20:37:16
2	Dayan Ruben Gonzalez	837	Kotlin	2020-10-02 04:18:25
3	Bradley Richards	973	Kotlin	2023-03-06 10:36:55
4	Jacob Huebner	1004	Kotlin	2020-04-20 09:52:10
5	Clinton Walker	1193	Kotlin	2020-02-27 08:38:53
6	Adam Rankin	1339	Kotlin	2023-05-09 04:21:42
7	Neil Harmon	1469	Kotlin	2019-09-24 10:42:01
8	Marcin Wiśniowski	1998	Kotlin	2017-09-29 11:59:12
9	Zaw Myat	2185	Kotlin	2023-12-19 16:13:14
10	Jahid Hasan Imon	2233	Kotlin	2020-07-12 19:32:19

#	User	Length	Language	Date
1	Jonas Winje	500	Lua	2025-03-24 17:31:34
2	Shehab Ahmed Hatem	994	Lua	2023-12-04 12:38:13

#	User	Length	Language	Date
1	Nguyen Hoang Trung	1336	Pascal	2017-06-28 14:28:35
2	David Connolly	1422	Pascal	2025-09-10 16:57:14
3	Ingemar Ragnemalm	10484	Pascal	2019-12-07 10:56:14

#	User	Length	Language	Date
1	Anders Larsson	624	PHP	2020-04-04 16:09:07

#	User	Length	Language	Date
1	Hakan Kjellerstrand	583	Prolog	2023-03-06 09:52:36

#	User	Length	Language	Date
1	Lars Åström	300	Python 2	2018-11-20 07:50:24
2	Thomas Feld	323	Python 2	2019-09-06 11:26:36
3	Oskar Haarklou Veileborg	372	Python 2	2017-12-20 23:32:41
4	Andreas Björklund	434	Python 2	2021-12-28 18:57:46
5	Johan Lyts	436	Python 2	2019-09-14 12:47:30
6	João Pedro Alvito	441	Python 2	2018-04-21 22:34:37
7	Hidden user	462	Python 2	2017-11-01 22:27:51
8	Binghong Yu	468	Python 2	2017-09-29 10:43:28
9	Maksym Bendeberia	481	Python 2	2016-08-30 09:50:20
10	Johan Granath	489	Python 2	2017-10-19 05:35:37

#	User	Length	Language	Date
1	Lukas Kerren	192	Python 3	2024-04-12 23:30:32
2	Benjamin Z White	196	Python 3	2023-04-06 16:05:52
3	Simon Baeckelant	199	Python 3	2024-05-12 13:14:15
4	Jonathan	199	Python 3	2024-09-20 03:53:56
5	Ahmed Chamseddine	217	Python 3	2024-08-06 10:29:53
6	David Aldenbro	220	Python 3	2025-08-24 21:50:21
7	Guk Yi Siong	232	Python 3	2023-08-03 07:06:02
8	Thibault Raffaillac	252	Python 3	2024-07-29 11:17:06
9	Tai Tze Kin	253	Python 3	2024-05-07 10:17:53
10	Cameron Kauffman	276	Python 3	2024-09-19 21:32:19

#	User	Length	Language	Date
1	Thomas Feld	97	Ruby	2023-02-09 09:52:57
2	Axel Bergström	123	Ruby	2018-02-26 23:12:53
3	Axel Matstoms	127	Ruby	2018-02-26 23:24:03
4	Alexandre Douard	146	Ruby	2023-12-20 21:32:28
5	Clement Oh	218	Ruby	2023-10-24 08:46:22
6	Maxime Le Besnerais	219	Ruby	2023-12-20 14:33:24
7	Kok Dith	364	Ruby	2021-08-30 11:09:40
8	Emil Kneutgen	508	Ruby	2022-02-05 19:46:59
9	Shawn D.	536	Ruby	2019-02-01 23:53:09
10	Hidden user	558	Ruby	2022-02-11 15:08:16

#	User	Length	Language	Date
1	Øyvind Almli	887	Rust	2023-02-18 20:29:13
2	Emil Skydsgaard	1096	Rust	2022-07-15 13:14:46
3	David Rasch	1144	Rust	2021-11-20 12:06:42
4	Albert Rise Nielsen	1170	Rust	2020-11-14 18:20:06
5	Loïc CARR	1582	Rust	2018-12-15 21:51:57
6	Alex Renfors	1615	Rust	2022-01-30 21:24:00
7	Anthony Audoin	1632	Rust	2021-01-23 15:12:54
8	Hidden user	1650	Rust	2023-11-01 15:34:16
9	David Wilkinson	1729	Rust	2023-02-14 16:06:15
10	Bas Dirks	1784	Rust	2022-01-09 14:56:57

Solution running time distribution