Problem I
Arithmetic — Problem Statistics

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Submissions	6742
Accepted submissions	1991
Submission ratio	29.53%
Authors	1977
Full solves [?]	1585
Full solve Ratio	80.17%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.03 s	Bash	2023-09-04 15:44:24
2	Thomas Feld	0.07 s	Bash	2023-09-27 14:12:03

#	User	Runtime	Language	Date
1	Seth Carter	0.00 s	C	2018-01-20 22:31:14
2	Jad Ghalayini	0.00 s	C	2018-10-06 06:14:59
3	Bergur Snorrason	0.00 s	C	2018-10-15 18:00:46
4	Mark Bartish	0.00 s	C	2020-11-03 21:28:33
5	Isaac Pashenkov	0.00 s	C	2021-06-18 11:24:42
6	Kevin Chevalier	0.00 s	C	2021-06-18 23:13:37
7	klimisnotmilk	0.00 s	C	2023-03-21 08:17:27
8	Mirel Cosulschi	0.00 s	C	2025-05-28 15:44:08
9	Bartosz Hajdas	0.00 s	C	2025-12-13 10:06:56
10	Mikael Magnusson	0.01 s	C	2017-01-23 19:13:41

#	User	Runtime	Language	Date
1	Andrzej Krajniak	0.03 s	C#	2018-12-12 20:13:19
2	Vijaya Sekhar Gullapalli	0.06 s	C#	2017-11-15 01:20:11
3	Oscar Arrivi Garcia	0.07 s	C#	2018-09-01 01:50:43
4	Bartosz Starczewski	0.07 s	C#	2018-12-17 22:01:01
5	Andriy Zyevakov	0.07 s	C#	2024-02-01 01:36:34
6	Regine Gorges	0.08 s	C#	2019-01-22 11:38:17
7	Hüseyin Ege Gökcan	0.09 s	C#	2023-03-12 22:12:33
8	Gustav Kalander	0.10 s	C#	2018-03-03 00:56:58
9	Khin Nyunt	0.11 s	C#	2017-01-21 17:02:30
10	Michael Jackson	0.48 s	C#	2019-10-06 08:34:27

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Common Lisp	2019-07-10 07:45:34
2	Michal Žáček	0.30 s	Common Lisp	2025-11-21 01:34:14

#	User	Runtime	Language	Date
1	Norbert Voelker	0.02 s	Go	2023-01-03 23:10:17
2	Krzysztof Gibuła	0.19 s	Go	2019-01-14 17:59:42
3	Khin Nyunt	0.24 s	Go	2023-09-15 08:33:39
4	Hidden user	0.27 s	Go	2023-06-08 00:30:39
5	Arne Philipeit	0.44 s	Go	2019-01-30 03:37:47

#	User	Runtime	Language	Date
1	Brent Yorgey	0.04 s	Haskell	2018-08-28 19:11:37
2	Isaac Arvestad	0.05 s	Haskell	2017-05-11 10:09:49
3	Joseph Chau	0.10 s	Haskell	2024-02-16 23:17:35
4	Rudy Matela	0.14 s	Haskell	2023-09-14 11:28:28

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.07 s	Java	2022-02-23 10:10:13
2	Liam Keliher	0.09 s	Java	2017-02-14 06:13:10
3	Martijn Muijsers	0.10 s	Java	2016-11-07 10:49:56
4	David Brink	0.10 s	Java	2017-05-07 12:08:08
5	Matthew Zhang	0.12 s	Java	2017-02-03 00:23:30
6	Brian Lee	0.13 s	Java	2017-02-02 21:23:10
7	Finn Lidbetter	0.13 s	Java	2017-08-04 03:20:59
8	Ranjith M	0.13 s	Java	2024-03-27 23:51:55
9	Samuel Klingström	0.14 s	Java	2017-08-09 23:22:41
10	Taras Romanyuk	0.14 s	Java	2024-08-03 01:19:40

#	User	Runtime	Language	Date
1	Gurpartap Singh Bhatti	0.11 s	JavaScript (Node.js)	2019-05-31 01:19:00
2	Khin Nyunt	0.62 s	JavaScript (Node.js)	2021-09-11 17:18:23

#	User	Runtime	Language	Date
1	Evan Magill	0.04 s	JavaScript (SpiderMonkey)	2024-04-26 06:19:19
2	Marijonas Kaunas	0.05 s	JavaScript (SpiderMonkey)	2018-04-18 21:50:14
3	Bjørn Chr. Soltvedt	0.06 s	JavaScript (SpiderMonkey)	2016-11-05 17:10:02
4	Christian Pilegaard Cederquist	0.09 s	JavaScript (SpiderMonkey)	2023-01-12 12:35:23
5	Khin Nyunt	0.10 s	JavaScript (SpiderMonkey)	2021-09-05 17:35:26
6	Danpaol	0.14 s	JavaScript (SpiderMonkey)	2018-04-30 19:25:36
7	Andrea Bianchessi	0.20 s	JavaScript (SpiderMonkey)	2017-11-08 10:59:35

#	User	Runtime	Language	Date
1	Danny Robinson	0.53 s	Julia	2023-09-03 16:57:26
2	Timothy Gaede	0.99 s	Julia	2024-05-09 11:08:05

#	User	Runtime	Language	Date
1	Jacob Huebner	0.28 s	Kotlin	2021-04-23 00:56:46
2	Hidden user	0.29 s	Kotlin	2020-03-01 05:05:37
3	Kiel Dowdle	0.29 s	Kotlin	2021-04-23 00:15:25
4	Adam Koprowski	0.45 s	Kotlin	2021-07-05 12:29:52
5	Hidden user	0.54 s	Kotlin	2020-10-11 12:13:43
6	Nicholas Johnson	0.60 s	Kotlin	2021-04-22 23:56:14
7	Phường Lên	0.68 s	Kotlin	2020-03-03 06:46:23
8	Dayan Ruben Gonzalez	0.89 s	Kotlin	2020-09-30 17:07:02
9	Daniel Taco Törbacka	0.98 s	Kotlin	2018-06-03 13:17:13

#	User	Runtime	Language	Date
1	Agis Daniels	0.03 s	Python 2	2017-02-02 20:04:53
2	William Fiset	0.03 s	Python 2	2017-02-17 22:16:28
3	Joshua Abshear	0.03 s	Python 2	2017-03-13 16:15:32
4	Haggai Liu	0.03 s	Python 2	2017-06-09 08:10:14
5	Kristine Hein	0.03 s	Python 2	2017-07-01 15:03:38
6	Andre Pratama	0.03 s	Python 2	2017-08-27 09:53:26
7	Aidan Beggs	0.03 s	Python 2	2017-10-30 00:50:21
8	Kuan Wei Heng	0.03 s	Python 2	2017-12-07 06:23:23
9	Erik Tjøswold	0.03 s	Python 2	2018-05-09 18:00:31
10	Andreas Eisele	0.03 s	Python 2	2018-09-17 10:23:20

#	User	Runtime	Language	Date
1	Ayoub Chegraoui	0.02 s	Python 3	2017-01-01 00:13:34
2	Hidden user	0.02 s	Python 3	2017-01-01 00:29:53
3	Ram Basnet	0.02 s	Python 3	2017-01-05 07:07:29
4	Óðinn Eyjólfsson	0.02 s	Python 3	2017-01-23 18:44:18
5	Agis Daniels	0.02 s	Python 3	2017-02-02 19:58:48
6	Bernhard Kartefla	0.02 s	Python 3	2017-02-09 16:55:54
7	William Fiset	0.02 s	Python 3	2017-02-17 22:12:49
8	Brian Lee	0.02 s	Python 3	2017-02-20 14:31:03
9	Sebastian Dolan	0.02 s	Python 3	2017-02-21 20:41:19
10	Rafael Meza	0.02 s	Python 3	2017-02-22 01:09:49

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Ruby	2017-10-02 18:52:54
2	Todd Trimble	0.03 s	Ruby	2017-12-13 21:40:33
3	Foo Bar	0.05 s	Ruby	2018-10-25 08:59:26
4	Frederik Spang	0.06 s	Ruby	2022-09-29 16:02:15
5	Frederik Petersen	0.06 s	Ruby	2022-09-30 10:10:24
6	Andreas Severin Hauch Trøstrup	0.06 s	Ruby	2022-10-02 11:56:59
7	Thomas Feld	0.06 s	Ruby	2022-11-28 12:34:54
8	dick move	0.06 s	Ruby	2022-12-06 22:17:18
9	Noah Hessen Bjerke	0.06 s	Ruby	2022-12-08 20:36:47
10	Julian Nohr	0.06 s	Ruby	2022-12-17 07:13:05

#	User	Runtime	Language	Date
1	Eric Pinter	0.00 s	Rust	2020-08-07 07:46:07
2	Vincent Lagerros	0.00 s	Rust	2024-05-14 02:01:12
3	Bas Dirks	0.01 s	Rust	2022-10-24 08:35:37
4	David Rasch	0.01 s	Rust	2022-11-11 15:41:17
5	Joshua Ji	0.02 s	Rust	2020-12-03 16:12:23

#	User	Length	Language	Date
1	Chenzhang Hu	23	Bash	2025-09-13 18:42:03
2	Thomas Feld	27	Bash	2023-09-27 14:12:03

#	User	Length	Language	Date
1	Miguel Müller	453	C	2017-10-13 15:25:01
2	Tyler Mulholland	641	C	2025-11-29 06:04:57
3	Michael Su	721	C	2019-05-17 05:11:27
4	Mikael Magnusson	726	C	2017-01-23 19:13:41
5	Isaac Pashenkov	768	C	2021-06-17 13:04:12
6	Seth Carter	821	C	2018-01-20 22:31:14
7	Mikael K Eriksson	851	C	2022-03-15 07:37:56
8	klimisnotmilk	949	C	2023-03-21 08:17:27
9	Sambit Palit	1037	C	2020-12-09 00:37:34
10	Ivan Petrov	1182	C	2019-11-19 09:07:30

#	User	Length	Language	Date
1	Khin Nyunt	1297	C#	2017-01-21 17:02:30
2	Gustav Kalander	1532	C#	2018-03-03 00:56:58
3	Hüseyin Ege Gökcan	2334	C#	2023-03-12 23:10:38
4	Michael Jackson	2392	C#	2019-10-06 08:34:27
5	Vijaya Sekhar Gullapalli	2582	C#	2017-11-15 01:20:11
6	Bartosz Starczewski	2642	C#	2018-12-17 22:01:01
7	Oscar Arrivi Garcia	5541	C#	2018-09-01 01:50:43
8	Andriy Zyevakov	7933	C#	2024-02-01 01:36:34
9	Regine Gorges	9750	C#	2019-01-22 11:38:17
10	Andrzej Krajniak	11049	C#	2018-12-12 20:13:19

#	User	Length	Language	Date
1	Frans Meulenbroeks	329	C++	2025-02-09 12:17:28
2	Monlin Zhi	334	C++	2017-06-20 07:41:58
3	Tobias Lehnert	452	C++	2019-01-22 11:18:44
4	Yeung Man Tsung	497	C++	2022-11-18 11:32:35
5	Evan Magill	510	C++	2022-11-21 21:02:50
6	Ignacio Castellano Vega	519	C++	2022-12-07 21:42:22
7	Erik Mattfolk	535	C++	2018-09-25 18:10:42
8	Hidden user	543	C++	2021-01-08 20:41:51
9	Hidden user	547	C++	2024-10-21 15:47:50
10	traxex	557	C++	2023-05-23 05:59:09

#	User	Length	Language	Date
1	Michal Žáček	73	Common Lisp	2025-11-21 01:34:14
2	Hidden user	2073	Common Lisp	2019-07-10 07:49:42

#	User	Length	Language	Date
1	Hidden user	189	Go	2023-06-08 00:30:39
2	Norbert Voelker	582	Go	2023-01-03 21:19:57
3	Krzysztof Gibuła	588	Go	2019-01-14 17:59:42
4	Arne Philipeit	728	Go	2019-01-30 03:37:47
5	Khin Nyunt	1277	Go	2023-09-15 08:45:59

#	User	Length	Language	Date
1	Joseph Chau	858	Haskell	2024-02-16 23:17:35
2	Rudy Matela	1261	Haskell	2023-09-14 11:28:28
3	Brent Yorgey	1430	Haskell	2018-08-28 19:11:37
4	Isaac Arvestad	2081	Haskell	2017-05-11 10:09:49

#	User	Length	Language	Date
1	Klas af Geijerstam	218	Java	2017-06-13 19:35:39
2	Hidden user	226	Java	2017-04-11 04:59:18
3	Alberto Alvarez	250	Java	2018-11-01 19:45:28
4	Andrew Davis	272	Java	2018-04-24 03:26:44
5	Nick Russell	276	Java	2018-03-29 19:11:29
6	Geson Chong	291	Java	2017-04-11 23:26:13
7	Jesse Carpanini	291	Java	2018-01-24 01:07:44
8	Aye Chan Mon	292	Java	2016-11-15 07:18:35
9	Brett Fazio	292	Java	2017-12-11 19:17:58
10	Mehdi Ichou	295	Java	2018-04-30 04:01:12

#	User	Length	Language	Date
1	Khin Nyunt	904	JavaScript (Node.js)	2021-09-11 17:18:23
2	Gurpartap Singh Bhatti	963	JavaScript (Node.js)	2019-06-01 05:13:34

#	User	Length	Language	Date
1	Evan Magill	297	JavaScript (SpiderMonkey)	2024-04-26 06:19:19
2	Andrea Bianchessi	460	JavaScript (SpiderMonkey)	2017-11-08 10:59:35
3	Christian Pilegaard Cederquist	532	JavaScript (SpiderMonkey)	2023-01-12 12:35:23
4	Marijonas Kaunas	605	JavaScript (SpiderMonkey)	2018-04-18 21:50:14
5	Bjørn Chr. Soltvedt	623	JavaScript (SpiderMonkey)	2016-11-05 17:10:02
6	Khin Nyunt	628	JavaScript (SpiderMonkey)	2021-09-05 17:37:54
7	Danpaol	741	JavaScript (SpiderMonkey)	2018-04-30 19:25:36

#	User	Length	Language	Date
1	Danny Robinson	67	Julia	2023-09-03 16:57:26
2	Timothy Gaede	1131	Julia	2024-05-09 11:08:05

#	User	Length	Language	Date
1	Nicholas Johnson	366	Kotlin	2021-04-22 23:56:14
2	Dayan Ruben Gonzalez	563	Kotlin	2020-09-30 17:07:02
3	Hidden user	600	Kotlin	2020-10-11 12:13:43
4	Phường Lên	636	Kotlin	2020-03-03 06:46:23
5	Jacob Huebner	725	Kotlin	2021-04-23 00:56:46
6	Hidden user	979	Kotlin	2020-03-01 05:05:37
7	Adam Koprowski	1356	Kotlin	2021-07-05 12:29:52
8	Kiel Dowdle	1774	Kotlin	2021-04-23 00:15:25
9	Daniel Taco Törbacka	3238	Kotlin	2018-06-03 13:17:13

#	User	Length	Language	Date
1	William Fiset	36	Python 2	2017-02-17 22:16:28
2	Aidan Beggs	39	Python 2	2017-10-30 00:50:21
3	Catalin Popa	43	Python 2	2018-11-22 18:49:37
4	Kristine Hein	48	Python 2	2017-07-01 15:03:38
5	Erik Tjøswold	50	Python 2	2018-05-09 18:00:31
6	Thomas Feld	50	Python 2	2020-07-21 09:56:35
7	David Zacek	50	Python 2	2022-12-19 20:21:27
8	Kuan Wei Heng	53	Python 2	2017-12-07 06:23:23
9	Vifill Sverrisson	54	Python 2	2018-10-15 23:44:20
10	Andreas Eisele	58	Python 2	2018-09-17 10:23:20

#	User	Length	Language	Date
1	Jakub Jagiello	26	Python 3	2017-07-15 20:33:34
2	Samuel Krempaský	26	Python 3	2022-11-09 15:43:30
3	Clement Oh	26	Python 3	2023-05-06 08:43:35
4	Pontus Eriksson	28	Python 3	2017-07-19 20:26:51
5	Sebastian Miles	28	Python 3	2022-09-17 23:32:23
6	Emil Lynegaard	28	Python 3	2022-11-02 21:37:34
7	András Biczó	28	Python 3	2022-11-18 22:47:29
8	Mathias Gernez	28	Python 3	2023-09-29 15:58:55
9	Joseph Chau	28	Python 3	2024-02-16 23:19:26
10	Rohan Yalamanchili	28	Python 3	2024-07-11 03:52:48

#	User	Length	Language	Date
1	dick move	17	Ruby	2022-12-06 22:17:18
2	Thomas Feld	17	Ruby	2022-12-14 15:31:34
3	Julian Nohr	17	Ruby	2022-12-17 07:16:41
4	Clement Oh	24	Ruby	2024-03-14 06:28:52
5	Frederik Spang	25	Ruby	2022-09-29 16:02:15
6	Frederik Petersen	25	Ruby	2022-09-30 10:10:24
7	Andreas Severin Hauch Trøstrup	25	Ruby	2022-10-02 11:56:59
8	Harry Zhang	25	Ruby	2023-01-06 13:51:00
9	Christian Pilegaard Cederquist	25	Ruby	2023-01-12 12:45:04
10	Gustav Elmqvist	25	Ruby	2023-02-18 02:39:35

#	User	Length	Language	Date
1	David Rasch	479	Rust	2022-11-11 15:58:34
2	Vincent Lagerros	1013	Rust	2024-05-14 02:01:12
3	Bas Dirks	1427	Rust	2022-10-24 08:35:37
4	Eric Pinter	1684	Rust	2020-08-07 07:46:07
5	Joshua Ji	2647	Rust	2020-12-03 16:12:23

Solution running time distribution