Problem K
Simple Arithmetic — Problem Statistics

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Submissions	5319
Accepted submissions	4892
Submission ratio	91.97%
Authors	1271
Full solves [?]	794
Full solve Ratio	62.47%

#	User	Score	Language	Date
1	Mitchell Johnstone	0	APL	2023-09-22 01:47:39

#	User	Score	Language	Date
1	Chenzhang Hu	100	Bash	2023-11-04 18:30:53
2	Simon Hellsten	25	Bash	2023-08-06 20:44:46
3	David Andres Lopez Gomez	0	Bash	2023-12-05 02:17:55

#	User	Score	Language	Date
1	KatSch	100	Common Lisp	2025-11-02 00:35:54
2	Timothy Bilik	50	Common Lisp	2021-12-28 19:00:32
3	Jared	50	Common Lisp	2022-06-04 21:44:45

#	User	Score	Language	Date
1	Magnus Baasch Langkilde	50	Erlang	2025-08-06 19:51:46

#	User	Score	Language	Date
1	Jacob Harris Cryer Kragh	100	F#	2023-07-12 14:55:39
2	Mikael Fangel	100	F#	2023-09-11 22:07:23
3	Stefan Schmiedl	100	F#	2024-08-21 16:21:56

#	User	Score	Language	Date
1	Norbert Voelker	100	Go	2021-05-10 23:44:55
2	Rickard Bemm	75	Go	2022-08-30 00:12:53
3	Leoš Absatz	50	Go	2020-11-16 13:43:07
4	Sergey Jakobsen	25	Go	2022-01-17 16:11:47

#	User	Score	Language	Date
1	Isaac Arvestad	100	Haskell	2020-11-15 13:26:32
2	Brent Yorgey	100	Haskell	2020-11-28 03:24:21
3	Quinn Flavel	100	Haskell	2020-12-16 23:22:16
4	Zach Tschetter	100	Haskell	2022-09-24 07:10:32
5	Steinar Simonnes	100	Haskell	2025-06-12 15:53:38
6	Yujin Kim	100	Haskell	2025-07-26 00:58:56
7	Fabian Mitterwallner	100	Haskell	2025-07-29 13:43:06
8	KatSch	100	Haskell	2025-11-02 00:41:32
9	Anders Aarsæther	50	Haskell	2021-11-08 14:20:04
10	Leslie Yip	50	Haskell	2022-09-22 13:50:59

#	User	Score	Language	Date
1	Bas Dirks	100	JavaScript (Node.js)	2022-01-16 05:38:50
2	Christian Pilegaard Cederquist	100	JavaScript (Node.js)	2023-01-06 16:14:57
3	Ram Basnet	50	JavaScript (Node.js)	2022-03-07 22:19:02
4	Hidden user	0	JavaScript (Node.js)	2023-02-14 09:33:58

#	User	Score	Language	Date
1	Jimmy Gustafsson	100	JavaScript (SpiderMonkey)	2022-06-30 23:41:34
2	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2024-06-28 19:11:17
3	Håkan Lindahl	50	JavaScript (SpiderMonkey)	2022-06-29 20:06:57
4	Alexandre Douard	0	JavaScript (SpiderMonkey)	2024-05-26 03:26:06

#	User	Score	Language	Date
1	Danny Robinson	100	Julia	2023-06-26 01:32:36
2	Timothy Gaede	100	Julia	2024-04-13 06:12:30
3	Joe Blower	100	Julia	2025-06-23 03:37:51
4	Hidden user	100	Julia	2025-10-06 23:50:36
5	Alexandre Charland	50	Julia	2025-04-01 01:57:04

#	User	Score	Language	Date
1	Thanh Le	100	Kotlin	2021-07-14 03:40:23
2	Magnus Tønnessen	100	Kotlin	2022-04-08 15:16:34
3	Sam Keyser	100	Kotlin	2022-05-05 18:18:58
4	Chris Johnson	100	Kotlin	2023-06-22 12:38:43
5	Emil Göransson	100	Kotlin	2023-07-12 13:48:30
6	Roy Liu	100	Kotlin	2023-07-12 14:41:06
7	Adam Rankin	75	Kotlin	2023-05-02 06:42:49
8	Viktor Andersson	50	Kotlin	2023-07-07 18:19:30

#	User	Score	Language	Date
1	Zeheng Li	50	Lua	2024-08-28 06:27:49

#	User	Score	Language	Date
1	Hidden user	50	OCaml	2024-06-10 09:06:52
2	Ishpreet Singh Bhasin	50	OCaml	2026-01-06 06:50:50

#	User	Score	Language	Date
1	Vladimir Shchigolev	100	Pascal	2018-04-27 18:55:16
2	xyz abc	75	Pascal	2019-12-11 18:47:12
3	Ingemar Ragnemalm	75	Pascal	2021-03-31 12:09:16
4	David Connolly	75	Pascal	2022-04-14 12:27:48

#	User	Score	Language	Date
1	Saito Ta	100	Perl	2024-03-27 10:43:42

#	User	Score	Language	Date
1	Renate	75	PHP	2021-05-11 01:17:37

#	User	Score	Language	Date
1	Andriy Zyevakov	100	Prolog	2024-01-19 08:14:32
2	Hakan Kjellerstrand	75	Prolog	2023-01-19 10:44:48

#	User	Score	Language	Date
1	Paul Jungeblut	100	Python 2	2018-04-27 17:54:38
2	Hidden user	100	Python 2	2018-04-27 18:01:51
3	Vladimir Maksimovski	100	Python 2	2018-06-15 06:33:30
4	Yanmarshus Bachtiar	100	Python 2	2020-12-08 13:14:17
5	Johan Lyts	100	Python 2	2020-12-08 15:13:22
6	Bertrand Evertz	100	Python 2	2020-12-18 22:54:36
7	Andreas Björklund	100	Python 2	2021-04-05 21:21:21
8	Ram Basnet	100	Python 2	2022-03-07 22:31:51
9	Elvar Árni Bjarnason	50	Python 2	2020-06-11 00:37:21
10	Renate	50	Python 2	2021-08-01 02:31:29

#	User	Score	Language	Date
1	Thomas Feld	100	Ruby	2023-01-05 16:36:03
2	Alexander Bilde Pedersen	100	Ruby	2023-07-14 01:46:36
3	Eleanor Janine Juan	100	Ruby	2025-03-01 12:40:16
4	Chenzhang Hu	100	Ruby	2025-09-22 15:47:37
5	Vinston	50	Ruby	2025-06-07 16:01:56
6	Karthick	0	Ruby	2021-01-31 17:00:40

#	User	Score	Language	Date
1	Aleksandr Toropov	100	Swift	2025-09-12 19:00:21

#	User	Score	Language	Date
1	Javier Gómez Díaz	100	Zig	2024-07-10 03:30:22

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.08 s	Bash	2025-09-13 00:56:57

#	User	Runtime	Language	Date
1	Bravery Aung	0.04 s	C#	2025-07-26 00:20:04
2	Jakub Jarząbek	0.05 s	C#	2020-11-02 14:38:15
3	Greg Roderick	0.05 s	C#	2020-11-17 04:07:48
4	Anders Parsberg Wagner	0.05 s	C#	2020-11-20 13:47:31
5	Johan Litsfeldt	0.05 s	C#	2021-03-28 18:39:11
6	Eirik Bergesen	0.05 s	C#	2021-05-05 17:38:30
7	Victor Hultén Mattsson	0.05 s	C#	2021-06-21 20:24:26
8	Toby Maynard	0.05 s	C#	2021-08-06 22:57:03
9	Jesper Lundin	0.05 s	C#	2021-10-28 09:43:49
10	Hidden user	0.05 s	C#	2021-11-19 19:35:10

#	User	Runtime	Language	Date
1	KatSch	0.01 s	Common Lisp	2025-11-02 00:35:54

#	User	Runtime	Language	Date
1	Mikael Fangel	0.07 s	F#	2023-09-11 22:07:23
2	Jacob Harris Cryer Kragh	0.08 s	F#	2023-07-12 14:55:39
3	Stefan Schmiedl	0.08 s	F#	2024-08-21 16:21:56

#	User	Runtime	Language	Date
1	Norbert Voelker	0.00 s	Go	2021-05-10 23:44:55

#	User	Runtime	Language	Date
1	Isaac Arvestad	0.00 s	Haskell	2020-11-15 13:26:32
2	Brent Yorgey	0.00 s	Haskell	2020-11-28 03:24:21
3	Quinn Flavel	0.00 s	Haskell	2020-12-16 23:22:16
4	Steinar Simonnes	0.00 s	Haskell	2025-06-12 15:53:38
5	Yujin Kim	0.00 s	Haskell	2025-07-26 00:58:56
6	Fabian Mitterwallner	0.00 s	Haskell	2025-07-29 13:43:06
7	KatSch	0.00 s	Haskell	2025-11-02 00:41:32
8	Zach Tschetter	0.01 s	Haskell	2022-09-24 07:10:32

#	User	Runtime	Language	Date
1	Oliver Stenberg Jakobsen	0.04 s	Java	2018-04-27 17:36:09
2	Christian Bertram	0.04 s	Java	2018-04-27 17:41:26
3	Karl Michelsen	0.04 s	Java	2020-11-20 15:09:56
4	Adrian Borup	0.04 s	Java	2020-11-20 15:35:22
5	Joachim Borup	0.04 s	Java	2020-11-20 17:36:42
6	Crystal Sharpe	0.04 s	Java	2020-11-28 08:18:26
7	Harrison Shen	0.04 s	Java	2020-12-06 11:03:05
8	Carl Bruun	0.04 s	Java	2021-03-26 18:22:03
9	Niclas Søgaard Hjortkjær	0.04 s	Java	2021-03-26 18:22:28
10	Liam Keliher	0.04 s	Java	2021-06-03 00:39:15

#	User	Runtime	Language	Date
1	Bas Dirks	0.05 s	JavaScript (Node.js)	2022-01-16 05:38:50
2	Christian Pilegaard Cederquist	0.05 s	JavaScript (Node.js)	2023-01-06 16:14:57

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2022-06-30 23:41:34
2	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2024-06-28 19:11:17

#	User	Runtime	Language	Date
1	Timothy Gaede	0.65 s	Julia	2024-04-13 06:12:30
2	Danny Robinson	0.70 s	Julia	2023-06-26 01:34:45
3	Hidden user	0.75 s	Julia	2025-10-06 23:50:36
4	Joe Blower	0.91 s	Julia	2025-06-23 03:37:51

#	User	Runtime	Language	Date
1	Thanh Le	0.21 s	Kotlin	2021-07-14 03:40:23
2	Roy Liu	0.23 s	Kotlin	2023-07-12 14:41:06
3	Magnus Tønnessen	0.24 s	Kotlin	2022-04-08 15:16:34
4	Sam Keyser	0.24 s	Kotlin	2022-05-05 18:18:58
5	Chris Johnson	0.24 s	Kotlin	2023-06-22 12:38:43
6	Emil Göransson	0.24 s	Kotlin	2023-07-12 13:50:25

#	User	Runtime	Language	Date
1	Vladimir Shchigolev	0.00 s	Pascal	2018-04-27 18:55:16

#	User	Runtime	Language	Date
1	Saito Ta	0.00 s	Perl	2024-03-27 10:43:42

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2024-01-19 08:14:32

#	User	Runtime	Language	Date
1	Andreas Björklund	0.07 s	Python 2	2021-04-05 21:21:21
2	Johan Lyts	0.08 s	Python 2	2020-12-08 21:42:02
3	Paul Jungeblut	0.14 s	Python 2	2018-04-27 17:54:38
4	Hidden user	0.15 s	Python 2	2018-04-27 18:01:51
5	Vladimir Maksimovski	0.15 s	Python 2	2018-06-15 06:33:30
6	Yanmarshus Bachtiar	0.15 s	Python 2	2020-12-08 13:14:17
7	Bertrand Evertz	0.15 s	Python 2	2020-12-18 22:54:36
8	Ram Basnet	0.15 s	Python 2	2022-03-07 22:31:51

#	User	Runtime	Language	Date
1	Jonathan Ståhl	0.04 s	Python 3	2024-09-18 21:54:09
2	Florian ten Napel	0.04 s	Python 3	2024-11-15 19:55:28
3	Chris Jiang	0.04 s	Python 3	2025-01-18 08:00:59
4	Jonathan Berg	0.04 s	Python 3	2025-03-12 13:29:33
5	Alexandre Charland	0.04 s	Python 3	2025-04-01 02:15:10
6	Kristinn Hrafn Daníelsson	0.04 s	Python 3	2025-07-15 11:44:06
7	Xander Fair	0.04 s	Python 3	2025-08-17 02:45:23
8	Albert	0.04 s	Python 3	2025-09-02 15:28:25
9	R.P. Gerner	0.04 s	Python 3	2025-09-02 15:29:15
10	Javier París	0.04 s	Python 3	2025-09-25 17:51:55

#	User	Runtime	Language	Date
1	Thomas Feld	0.07 s	Ruby	2023-01-05 16:36:03
2	Alexander Bilde Pedersen	0.07 s	Ruby	2023-07-14 01:46:36
3	Eleanor Janine Juan	0.07 s	Ruby	2025-03-01 12:40:16
4	Chenzhang Hu	0.12 s	Ruby	2025-09-22 15:47:37

#	User	Runtime	Language	Date
1	Aleksandr Toropov	0.00 s	Swift	2025-09-12 19:00:21

#	User	Runtime	Language	Date
1	Javier Gómez Díaz	0.00 s	Zig	2024-07-10 03:30:22

#	User	Length	Language	Date
1	Chenzhang Hu	33	Bash	2025-09-13 00:56:57

#	User	Length	Language	Date
1	Florian ten Napel	241	C	2024-11-15 20:03:41
2	Nelson Dan	266	C	2021-12-29 13:54:29
3	Nick Hargrove	306	C	2022-02-22 10:50:45
4	Ioannis Br	310	C	2025-01-23 19:56:03
5	Emil Wihlander	313	C	2020-11-29 16:27:25
6	Didrik Madheden	327	C	2021-01-27 10:34:36
7	Oscar Arvidsson	469	C	2025-03-26 17:28:42
8	Sambit Palit	488	C	2020-11-23 22:46:09
9	Fredrik Karlberg	542	C	2023-07-13 20:34:43
10	Sanjiv Dinakar	740	C	2023-04-02 18:15:47

#	User	Length	Language	Date
1	Paul McCranie	277	C#	2022-12-01 03:49:42
2	Emile Sterner Jonsson	288	C#	2022-07-03 22:15:09
3	florist swe	316	C#	2024-09-27 23:13:46
4	Mats Hägerlind	360	C#	2025-03-11 23:11:55
5	Hidden user	435	C#	2021-11-19 19:35:58
6	Toby Maynard	439	C#	2021-08-06 22:57:03
7	Jesper Lundin	444	C#	2021-10-28 09:43:49
8	Anders Parsberg Wagner	459	C#	2020-11-20 13:47:31
9	Stefan Forsberg	539	C#	2022-04-24 09:51:02
10	Eirik Bergesen	582	C#	2021-05-05 17:38:30

#	User	Length	Language	Date
1	Eyal Zusiman	94	C++	2023-04-29 20:58:19
2	Sacha Hallermeier	94	C++	2023-04-29 21:39:45
3	Daniel Weber	106	C++	2023-04-29 09:51:19
4	Anders Mouanga	133	C++	2023-07-25 13:45:06
5	Frans Meulenbroeks	173	C++	2024-11-22 19:05:23
6	Justas Urbonas	213	C++	2018-05-03 08:12:31
7	a_b__c	215	C++	2021-03-02 07:56:07
8	Pascal Zeihen	237	C++	2025-06-09 18:00:26
9	Yeung Man Tsung	238	C++	2022-11-27 15:18:33
10	Nguyen Tran Huu Duc	239	C++	2022-10-16 09:30:42

#	User	Length	Language	Date
1	KatSch	200	Common Lisp	2025-11-02 00:35:54

#	User	Length	Language	Date
1	Mikael Fangel	101	F#	2023-09-11 22:09:24
2	Stefan Schmiedl	127	F#	2024-08-21 16:21:56
3	Jacob Harris Cryer Kragh	342	F#	2023-07-12 14:55:39

#	User	Length	Language	Date
1	Norbert Voelker	838	Go	2021-05-10 23:44:55

#	User	Length	Language	Date
1	Fabian Mitterwallner	74	Haskell	2025-07-29 14:20:41
2	Yujin Kim	209	Haskell	2025-07-26 00:58:56
3	Isaac Arvestad	285	Haskell	2020-11-15 13:26:32
4	Zach Tschetter	397	Haskell	2022-09-24 07:20:24
5	Steinar Simonnes	440	Haskell	2025-06-12 16:03:02
6	KatSch	576	Haskell	2025-11-02 00:41:32
7	Quinn Flavel	650	Haskell	2020-12-16 23:22:16
8	Brent Yorgey	1854	Haskell	2020-11-28 03:24:21

#	User	Length	Language	Date
1	Thanh Le	299	Java	2022-12-18 05:24:35
2	Huy Le	350	Java	2022-12-18 05:15:58
3	Jason Liu	376	Java	2023-09-04 03:35:16
4	Tobias Schindler	396	Java	2018-04-27 17:21:59
5	Hyunjun Lee	400	Java	2022-10-28 16:09:51
6	Andrea	425	Java	2023-09-27 10:24:55
7	Hunter Mullen	428	Java	2025-02-22 21:41:07
8	Gian Peña	430	Java	2023-07-31 10:58:17
9	Ryan Tan	446	Java	2022-03-06 07:01:52
10	Björn Magnusson	451	Java	2018-04-27 17:35:02

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	433	JavaScript (Node.js)	2023-01-06 16:14:57
2	Bas Dirks	932	JavaScript (Node.js)	2022-01-16 05:38:50

#	User	Length	Language	Date
1	Jimmy Gustafsson	1402	JavaScript (SpiderMonkey)	2022-06-30 23:41:34
2	Bjørn Chr. Soltvedt	19976	JavaScript (SpiderMonkey)	2024-06-28 19:11:17

#	User	Length	Language	Date
1	Danny Robinson	70	Julia	2023-06-26 01:34:45
2	Hidden user	205	Julia	2025-10-06 23:50:36
3	Timothy Gaede	341	Julia	2024-04-13 06:12:30
4	Joe Blower	372	Julia	2025-06-23 03:37:51

#	User	Length	Language	Date
1	Emil Göransson	154	Kotlin	2023-07-12 14:49:47
2	Magnus Tønnessen	223	Kotlin	2022-04-08 15:16:34
3	Roy Liu	224	Kotlin	2023-07-12 14:41:06
4	Sam Keyser	450	Kotlin	2022-05-05 18:18:58
5	Chris Johnson	515	Kotlin	2023-06-22 12:38:43
6	Thanh Le	1614	Kotlin	2021-07-14 03:40:23

#	User	Length	Language	Date
1	Vladimir Shchigolev	335	Pascal	2018-04-27 18:55:16

#	User	Length	Language	Date
1	Saito Ta	81	Perl	2024-03-27 10:43:42

#	User	Length	Language	Date
1	Andriy Zyevakov	408	Prolog	2024-01-19 08:14:32

#	User	Length	Language	Date
1	Johan Lyts	122	Python 2	2020-12-08 15:13:22
2	Andreas Björklund	135	Python 2	2021-04-05 21:21:21
3	Hidden user	143	Python 2	2018-04-27 18:01:51
4	Vladimir Maksimovski	181	Python 2	2018-06-15 06:33:30
5	Paul Jungeblut	185	Python 2	2018-04-27 17:54:38
6	Bertrand Evertz	185	Python 2	2020-12-18 22:54:36
7	Yanmarshus Bachtiar	209	Python 2	2020-12-08 13:14:17
8	Ram Basnet	249	Python 2	2022-03-07 22:31:51

#	User	Length	Language	Date
1	Simon Hellsten	66	Python 3	2023-07-02 19:07:45
2	Wouter Dijkstra	68	Python 3	2022-06-17 14:03:31
3	Benjamin Z White	68	Python 3	2023-04-10 19:47:45
4	Clement Oh	68	Python 3	2023-05-08 15:33:34
5	Holger Dell	68	Python 3	2023-06-25 18:08:29
6	Isak Nyberg	68	Python 3	2023-06-29 20:27:58
7	Michael Laurila	68	Python 3	2023-07-29 18:29:38
8	Jesper Bech Christensen	69	Python 3	2022-11-04 13:46:48
9	Rasmus Hulthe	69	Python 3	2025-02-04 18:13:37
10	Christofer Ohlsson	70	Python 3	2022-09-15 22:11:59

#	User	Length	Language	Date
1	Thomas Feld	43	Ruby	2023-01-05 16:36:03
2	Alexander Bilde Pedersen	69	Ruby	2023-07-14 01:54:39
3	Chenzhang Hu	138	Ruby	2025-09-22 15:47:37
4	Eleanor Janine Juan	246	Ruby	2025-03-01 12:40:16

#	User	Length	Language	Date
1	David Aldenbro	235	Rust	2023-09-18 21:44:43
2	Carl Forsinge	389	Rust	2024-11-03 18:23:37
3	Vilhelm Melkstam	468	Rust	2022-11-24 22:10:28
4	Vincent Lagerros	534	Rust	2024-05-23 19:08:19
5	Matt Schwartz	754	Rust	2023-07-01 04:28:33
6	Melker Forsberg	802	Rust	2023-06-30 03:18:25
7	Eric Pinter	1041	Rust	2021-05-24 05:28:26
8	Joshua Freudenhammer	1166	Rust	2025-09-28 03:26:29
9	Niels Inselmann Christiansen	1590	Rust	2021-11-10 21:08:44
10	Klas af Geijerstam	5686	Rust	2020-11-18 12:08:24

#	User	Length	Language	Date
1	Aleksandr Toropov	321	Swift	2025-09-12 19:00:21

#	User	Length	Language	Date
1	Javier Gómez Díaz	611	Zig	2024-07-10 03:30:22

Solution running time distribution