Problem D
Primary Arithmetic — Problem Statistics

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Submissions	3971
Accepted submissions	1161
Submission ratio	29.24%
Authors	1120
Accepted authors	976
Author ratio	87.14%

#	User	Runtime	Language	Date
1	Klas af Geijerstam	0.02 s	C#	2017-09-13 22:04:17
2	Marek	0.02 s	C#	2018-06-20 19:03:16
3	Andrzej Krajniak	0.02 s	C#	2018-06-20 20:14:00
4	Ryan Hemmila	0.02 s	C#	2019-09-07 21:46:00
5	Emil Franzen	0.02 s	C#	2019-12-03 21:39:24
6	Per Eriksson	0.02 s	C#	2021-07-09 00:57:04
7	David Parker	0.02 s	C#	2022-03-16 11:55:16
8	Nikolai Valkamo	0.02 s	C#	2022-03-26 15:33:11
9	John Franklin	0.02 s	C#	2022-03-26 16:05:19
10	Cameron Johnson	0.02 s	C#	2022-03-26 16:45:08

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Common Lisp	2019-07-11 02:20:42
2	David Cawthon	0.02 s	Common Lisp	2019-05-19 23:08:43

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2023-04-17 17:45:16

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Go	2018-10-11 09:11:25
2	Norbert Voelker	0.07 s	Go	2021-08-19 23:31:22

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2018-06-11 06:42:36
2	Steinar Simonnes	0.00 s	Haskell	2025-01-21 15:29:59
3	Erik Tjøswold	0.01 s	Haskell	2019-01-21 18:35:52
4	Ryan Yates	0.01 s	Haskell	2019-09-10 04:19:37
5	Anders Aarsæther	0.01 s	Haskell	2021-11-16 10:41:44

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.04 s	Java	2025-02-13 14:44:23
2	Nick Wu	0.05 s	Java	2017-09-18 23:19:28
3	Erik Baalhuis	0.05 s	Java	2017-09-30 00:08:52
4	Micah Stairs	0.05 s	Java	2017-10-11 05:51:09
5	Mehdi Maick	0.05 s	Java	2017-10-28 03:21:37
6	Lizhong Wang	0.05 s	Java	2018-04-15 10:24:08
7	Liam Keliher	0.05 s	Java	2018-08-07 17:34:51
8	James Black	0.05 s	Java	2018-08-10 00:29:15
9	Love Engman	0.05 s	Java	2018-11-04 18:33:58
10	Bala Krishna	0.05 s	Java	2024-08-13 10:38:12

#	User	Runtime	Language	Date
1	Ram Basnet	0.05 s	JavaScript (Node.js)	2018-11-30 02:05:24
2	Peter Kedemo	0.42 s	JavaScript (Node.js)	2020-01-11 22:29:39

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2017-09-24 02:30:14
2	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-02-09 12:52:28

#	User	Runtime	Language	Date
1	Timothy Gaede	0.35 s	Julia	2025-07-08 07:25:55

#	User	Runtime	Language	Date
1	Johnny Baloney	0.13 s	Kotlin	2022-01-07 18:34:55
2	Hidden user	0.14 s	Kotlin	2020-02-23 06:39:46
3	James WIlliams	0.18 s	Kotlin	2020-09-21 08:53:13
4	Adam Rankin	0.19 s	Kotlin	2023-05-02 06:28:28
5	Aksel Holbek Sørbye	0.19 s	Kotlin	2023-09-14 20:13:37
6	Adam Koprowski	0.20 s	Kotlin	2020-08-21 23:02:07
7	Mohsen Dehbashi	0.21 s	Kotlin	2019-07-10 06:43:41
8	Dominic Blaich	0.21 s	Kotlin	2019-08-05 12:09:41
9	Mohamadhassan Ebrahimi	0.22 s	Kotlin	2019-10-29 17:50:03

#	User	Runtime	Language	Date
1	Oskar Haarklou Veileborg	0.00 s	OCaml	2021-01-21 10:50:35

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2020-03-08 11:57:49

#	User	Runtime	Language	Date
1	Johan Sannemo	0.03 s	Python 2	2017-09-12 19:26:06
2	Christofer Ohlsson	0.03 s	Python 2	2017-09-14 20:44:06
3	Ciara Godwin	0.03 s	Python 2	2017-09-16 15:55:17
4	Matthew Wolff	0.03 s	Python 2	2017-10-01 22:12:51
5	Hermon Mulat	0.03 s	Python 2	2017-11-03 21:30:19
6	Cian Ruane	0.03 s	Python 2	2018-04-09 15:29:38
7	Johann Ly	0.03 s	Python 2	2018-10-17 06:48:39
8	Lars Åström	0.03 s	Python 2	2018-11-01 09:28:36
9	Jesper Öqvist	0.03 s	Python 2	2018-11-06 21:13:39
10	Hidden user	0.03 s	Python 2	2018-12-15 21:35:12

#	User	Runtime	Language	Date
1	Herman Karlsson	0.02 s	Python 3	2017-09-12 17:53:04
2	Marcus Dicander	0.02 s	Python 3	2017-09-12 19:09:03
3	Torstein Strømme	0.02 s	Python 3	2017-09-29 16:23:29
4	Michael Pfeifer	0.02 s	Python 3	2017-10-09 18:34:30
5	James Hamm	0.02 s	Python 3	2017-11-12 20:13:00
6	Hakan Celik	0.02 s	Python 3	2018-04-10 08:13:44
7	Joseph Campbell	0.02 s	Python 3	2018-05-20 02:00:04
8	Greg Draghici	0.02 s	Python 3	2018-06-01 07:13:53
9	Kasra Ghodsi	0.02 s	Python 3	2018-07-25 00:44:35
10	Vincent Tandya	0.02 s	Python 3	2018-07-30 22:17:00

#	User	Runtime	Language	Date
1	Macdara mac an tSionnaigh	0.04 s	Ruby	2019-11-04 22:09:56
2	Hidden user	0.05 s	Ruby	2019-05-29 16:43:10
3	Kieran Maharaj	0.05 s	Ruby	2020-06-30 13:20:59
4	Thomas Feld	0.06 s	Ruby	2023-08-16 09:17:25

#	User	Runtime	Language	Date
1	Loïc CARR	0.00 s	Rust	2019-04-04 17:16:19
2	Isak Jägberg	0.00 s	Rust	2019-04-28 09:57:59
3	Shivam Thakur	0.00 s	Rust	2019-06-29 17:58:55
4	Zack Groff	0.00 s	Rust	2019-08-02 20:10:40
5	Thiago Poeiras Silva	0.00 s	Rust	2019-09-02 10:29:17
6	Anthony Audoin	0.00 s	Rust	2021-01-23 16:15:46
7	Bas Dirks	0.00 s	Rust	2022-01-19 23:31:17
8	Zachary DeStefano	0.00 s	Rust	2024-07-09 00:27:30
9	Vincent Lagerros	0.00 s	Rust	2024-11-17 16:51:22
10	Gabriella	0.00 s	Rust	2025-04-23 17:37:21

#	User	Length	Language	Date
1	Lawry Sorenson	165	C	2023-08-06 14:15:12
2	Yong Mao	432	C	2022-09-27 02:22:48
3	Siddharth Adusumelli	496	C	2021-09-08 20:09:10
4	Raymond Yang	511	C	2021-07-02 23:38:43
5	Simen Keiland Fondevik	526	C	2017-10-09 17:16:47
6	Sujan Roy	610	C	2020-07-08 17:08:51
7	Mohamed El Bessam	616	C	2019-09-18 21:09:38
8	Mikael K Eriksson	649	C	2021-11-26 19:43:53
9	Leslie Yip	681	C	2022-10-11 16:33:39
10	Andrew Roberts	764	C	2019-06-02 19:31:02

#	User	Length	Language	Date
1	Michael Damsgaard	959	C#	2025-01-02 12:24:50
2	Ryan Hemmila	1142	C#	2019-09-07 21:46:00
3	Mark Meysenburg	1168	C#	2025-05-02 16:45:26
4	Klas af Geijerstam	1229	C#	2017-09-13 22:04:17
5	Walkyria Audivert Lino	1306	C#	2025-06-20 23:10:36
6	Marek	1326	C#	2018-06-20 19:03:16
7	Per Eriksson	1649	C#	2021-07-09 00:57:04
8	Emil Franzen	1744	C#	2019-12-03 21:39:24
9	Cameron Johnson	1929	C#	2022-03-26 16:45:08
10	samvid mistry	2114	C#	2024-12-29 07:42:55

#	User	Length	Language	Date
1	Frans Meulenbroeks	222	C++	2025-02-10 17:19:10
2	William Gan	389	C++	2018-04-12 17:06:33
3	Caeden Whitaker	393	C++	2020-12-09 03:59:05
4	Hyunjun Lee	413	C++	2022-10-28 14:32:01
5	人外沙耶	416	C++	2020-12-19 07:31:33
6	Jirayu Burapacheep	435	C++	2019-09-07 21:35:32
7	Clement Oh	448	C++	2023-08-14 18:03:42
8	Sichao Yang	451	C++	2017-10-01 20:40:30
9	Jun Yan	452	C++	2024-07-30 06:49:06
10	Hidden user	463	C++	2023-09-12 21:40:29

#	User	Length	Language	Date
1	Hidden user	850	Common Lisp	2019-07-11 02:20:42
2	David Cawthon	1135	Common Lisp	2019-05-19 23:08:43

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	800	F#	2023-04-17 17:45:16

#	User	Length	Language	Date
1	Hidden user	836	Go	2018-10-11 09:11:25
2	Norbert Voelker	898	Go	2021-08-19 23:42:32

#	User	Length	Language	Date
1	Ryan Yates	743	Haskell	2019-09-10 04:19:37
2	Steinar Simonnes	988	Haskell	2025-01-21 15:29:59
3	Anders Aarsæther	1000	Haskell	2021-11-16 10:41:44
4	Brent Yorgey	1091	Haskell	2018-06-11 06:42:36
5	Erik Tjøswold	1316	Haskell	2019-01-21 18:35:52

#	User	Length	Language	Date
1	Doug Goodman	603	Java	2018-03-31 19:23:12
2	Auburn Ford	628	Java	2019-03-07 00:15:12
3	Caio Medeiros	674	Java	2022-01-16 17:57:08
4	Eric Leow Yu Quan	724	Java	2020-12-30 07:24:59
5	Christopher Acosta	730	Java	2019-03-07 00:56:45
6	Hidden user	744	Java	2019-08-29 22:00:56
7	Hidden user	753	Java	2021-07-25 17:31:11
8	Benjamin Wang	757	Java	2021-07-02 23:24:16
9	Blake Bleem	769	Java	2021-01-19 22:20:32
10	Srishti Ganu	773	Java	2021-10-25 01:08:33

#	User	Length	Language	Date
1	Peter Kedemo	801	JavaScript (Node.js)	2020-01-11 22:29:39
2	Ram Basnet	1088	JavaScript (Node.js)	2018-11-30 02:05:24

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	495	JavaScript (SpiderMonkey)	2017-09-24 02:30:14
2	Christian Cederquist	498	JavaScript (SpiderMonkey)	2023-02-09 12:52:28

#	User	Length	Language	Date
1	Timothy Gaede	1455	Julia	2025-07-08 07:25:55

#	User	Length	Language	Date
1	Adam Koprowski	583	Kotlin	2020-08-21 23:02:07
2	Mohsen Dehbashi	613	Kotlin	2019-07-10 06:43:41
3	Mohamadhassan Ebrahimi	734	Kotlin	2019-10-29 17:50:03
4	Aksel Holbek Sørbye	748	Kotlin	2023-09-14 20:13:37
5	Johnny Baloney	1041	Kotlin	2022-01-07 18:38:30
6	Dominic Blaich	1362	Kotlin	2019-08-05 12:09:41
7	Hidden user	1367	Kotlin	2020-02-23 06:39:46
8	Adam Rankin	1462	Kotlin	2023-05-02 06:28:28
9	James WIlliams	5182	Kotlin	2020-09-21 08:53:13

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	898	OCaml	2021-01-21 10:50:35

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1149	Pascal	2020-03-08 11:57:49

#	User	Length	Language	Date
1	Thomas Feld	237	Python 2	2019-09-26 14:11:36
2	Andreas Björklund	316	Python 2	2020-10-24 08:02:05
3	Johan Sannemo	393	Python 2	2017-09-12 19:26:06
4	Xuran Cai	418	Python 2	2019-09-07 22:25:20
5	Ciara Godwin	464	Python 2	2017-09-16 15:55:17
6	Johan Lyts	488	Python 2	2020-01-17 21:07:05
7	Jesper Öqvist	528	Python 2	2018-11-06 21:13:39
8	Johann Ly	533	Python 2	2018-10-17 06:49:51
9	Hidden user	544	Python 2	2019-04-06 20:52:14
10	Yanmarshus Bachtiar	554	Python 2	2020-08-25 08:16:17

#	User	Length	Language	Date
1	Kevin Gomez	164	Python 3	2024-11-10 04:42:20
2	Benjamin Z White	209	Python 3	2023-03-31 23:30:17
3	Avery	216	Python 3	2025-07-15 06:23:14
4	Farzam Abrishami	300	Python 3	2024-01-28 02:30:20
5	Ryan Pitasky	303	Python 3	2024-11-10 04:20:20
6	Kelly Dance	344	Python 3	2022-08-12 01:45:04
7	Eva Noelle Moniz	364	Python 3	2019-08-29 22:17:37
8	Herman Karlsson	365	Python 3	2017-09-12 17:53:04
9	Artur Khuziakhmetov	367	Python 3	2025-02-21 08:06:59
10	Hidden user	372	Python 3	2021-05-02 16:51:10

#	User	Length	Language	Date
1	Thomas Feld	136	Ruby	2023-08-16 09:27:47
2	Hidden user	419	Ruby	2019-05-29 16:43:10
3	Kieran Maharaj	733	Ruby	2020-06-30 13:20:59
4	Macdara mac an tSionnaigh	740	Ruby	2019-11-04 22:09:56

#	User	Length	Language	Date
1	Vincent Lagerros	377	Rust	2024-11-17 16:51:52
2	Loïc CARR	926	Rust	2019-04-04 17:16:19
3	Anthony Audoin	965	Rust	2021-01-23 16:15:46
4	Bas Dirks	1092	Rust	2022-01-19 23:31:17
5	Zack Groff	1229	Rust	2019-08-02 20:10:40
6	Zachary DeStefano	1302	Rust	2024-07-09 00:27:30
7	Thiago Poeiras Silva	1452	Rust	2019-09-02 10:29:17
8	Shivam Thakur	1790	Rust	2019-06-29 17:58:55
9	Isak Jägberg	1836	Rust	2019-04-28 09:57:59
10	Gabriella	2220	Rust	2025-04-23 17:37:21

Solution running time distribution