Problem E
Methodic Multiplication — Problem Statistics

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Submissions	3035
Accepted submissions	1920
Submission ratio	63.26%
Authors	1689
Full solves [?]	1622
Full solve Ratio	96.03%

#	User	Runtime	Language	Date
1	Arvid Jonasson	0.02 s	APL	2025-06-30 21:15:45

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.07 s	Bash	2024-01-23 14:10:53

#	User	Runtime	Language	Date
1	Eyleifur Bjarkason	0.00 s	C	2020-11-07 20:28:13
2	Jeroen Jongkees	0.00 s	C	2020-11-08 21:03:55
3	Ximun Castoreo	0.00 s	C	2020-11-19 12:12:25
4	PhilCampbell	0.00 s	C	2020-12-29 16:19:01
5	Andrew Roberts	0.00 s	C	2021-05-18 23:56:58
6	April Clark	0.00 s	C	2021-10-01 13:38:55
7	Agis Daniels	0.00 s	C	2021-12-13 14:07:33
8	Allan Nouri	0.00 s	C	2023-11-13 14:34:14
9	Hidden user	0.00 s	C	2025-05-19 22:34:32
10	Børge Bjørnstadjordet	0.00 s	C	2025-08-12 14:04:20

#	User	Runtime	Language	Date
1	Tomas Vainoris	0.02 s	C#	2020-11-07 11:49:05
2	Nadja Brix Koch	0.02 s	C#	2020-11-07 16:00:56
3	Simon Kristiansen	0.02 s	C#	2020-11-07 16:04:30
4	Anders Parsberg Wagner	0.02 s	C#	2020-11-07 16:06:45
5	Thomas Norris	0.02 s	C#	2020-11-13 02:20:16
6	Sebastian Sternberg	0.02 s	C#	2021-02-02 19:40:47
7	Eric Weiss	0.02 s	C#	2022-08-19 21:33:22
8	Saulius Žentilis	0.03 s	C#	2020-11-07 11:25:35
9	Viktor Wesström	0.03 s	C#	2020-11-07 11:44:16
10	Bjørnar Haugstad Jåtten	0.03 s	C#	2020-11-07 12:57:30

#	User	Runtime	Language	Date
1	Brandon Mitchell	0.01 s	COBOL	2020-11-11 21:53:22

#	User	Runtime	Language	Date
1	Patrick Bahr	0.04 s	F#	2021-02-21 22:04:05
2	Jacob Harris Cryer Kragh	0.04 s	F#	2022-06-28 17:36:30
3	Janne Brøgger	0.10 s	F#	2020-11-07 12:29:31

#	User	Runtime	Language	Date
1	Jimmy Nejtron	0.01 s	Go	2025-07-30 11:40:06
2	Martynas Budriūnas	0.08 s	Go	2020-11-07 11:07:19
3	Magix	0.08 s	Go	2020-12-12 08:44:13
4	Jack Kryger Sørensen	0.08 s	Go	2022-01-02 15:17:15
5	Norbert Voelker	0.50 s	Go	2021-04-17 23:29:00
6	Hidden user	0.51 s	Go	2021-04-04 03:30:22

#	User	Runtime	Language	Date
1	Sebastian Banert	0.00 s	Haskell	2023-09-13 13:35:39
2	Ole Johan Walderhaug	0.01 s	Haskell	2020-11-07 11:38:26
3	Steinar Simonnes	0.01 s	Haskell	2020-11-07 11:46:12
4	Emil Østergaard	0.01 s	Haskell	2020-11-07 12:52:12
5	Brent Yorgey	0.01 s	Haskell	2020-11-07 14:20:11
6	Rikke Aas	0.01 s	Haskell	2020-11-07 18:31:22
7	Jan Hrček	0.01 s	Haskell	2020-11-08 08:12:52
8	Amar Topalovic	0.01 s	Haskell	2020-11-14 19:31:25
9	Matthew Lutze	0.01 s	Haskell	2021-01-01 15:07:00
10	Øyvind Almli	0.01 s	Haskell	2021-09-14 14:37:34

#	User	Runtime	Language	Date
1	Lee Heng Sheng	0.06 s	Java	2024-04-27 12:58:42
2	Sven Rönnbäck	0.06 s	Java	2024-06-12 17:52:12
3	Guangyi Zhou	0.06 s	Java	2025-02-11 14:36:16
4	Issa Issack	0.07 s	Java	2025-12-22 05:10:16
5	Emil Bak-Møller	0.08 s	Java	2020-11-09 13:10:53
6	Joachim Borup	0.08 s	Java	2020-12-22 20:58:04
7	Tan Jia Le Damien	0.09 s	Java	2021-06-23 06:18:11
8	Hussin Suleiman	0.09 s	Java	2024-05-19 14:01:02
9	Achim Ahlers	0.09 s	Java	2024-10-06 11:03:21
10	Crystal Sharpe	0.10 s	Java	2020-11-10 03:23:38

#	User	Runtime	Language	Date
1	Hidden user	0.07 s	JavaScript (Node.js)	2023-09-20 02:17:46
2	Peter Kedemo	0.44 s	JavaScript (Node.js)	2020-12-25 23:44:28
3	Chris Wong	0.45 s	JavaScript (Node.js)	2021-02-07 12:48:08
4	John	0.45 s	JavaScript (Node.js)	2021-02-27 07:20:01
5	Howard Tin Chi Chan	1.21 s	JavaScript (Node.js)	2021-02-08 15:01:40

#	User	Runtime	Language	Date
1	Evan Magill	0.02 s	JavaScript (SpiderMonkey)	2024-04-19 21:44:10
2	Nicklas Utgaard	0.03 s	JavaScript (SpiderMonkey)	2021-12-23 13:26:37
3	Jimmy Gustafsson	0.03 s	JavaScript (SpiderMonkey)	2022-09-13 21:52:07
4	Zach Tschetter	0.03 s	JavaScript (SpiderMonkey)	2023-04-19 18:49:27
5	Bjørn Chr. Soltvedt	0.04 s	JavaScript (SpiderMonkey)	2020-11-08 17:47:19
6	Peter Menyes	0.04 s	JavaScript (SpiderMonkey)	2021-08-10 19:36:57
7	Christian Pilegaard Cederquist	0.04 s	JavaScript (SpiderMonkey)	2022-12-29 01:16:28

#	User	Runtime	Language	Date
1	Timothy Gaede	0.29 s	Julia	2024-04-01 07:33:04
2	Danny Robinson	0.53 s	Julia	2023-09-01 02:53:31

#	User	Runtime	Language	Date
1	Simen Lilleeng	0.16 s	Kotlin	2020-11-07 15:16:18
2	Jacob Huebner	0.17 s	Kotlin	2021-07-26 07:30:21
3	Roger Bongers	0.18 s	Kotlin	2021-06-26 21:41:20
4	Troy Warmboe	0.22 s	Kotlin	2023-04-11 02:28:40
5	Adam Rankin	0.23 s	Kotlin	2023-05-05 01:10:15
6	Hamdanil Rasyid	0.23 s	Kotlin	2025-03-31 03:07:18
7	Kristofer Sokk	0.24 s	Kotlin	2020-11-07 11:49:04
8	Sergey Jakobsen	0.24 s	Kotlin	2021-07-19 14:59:30
9	Nicholas Johnson	0.24 s	Kotlin	2021-07-31 04:41:14
10	Chris Johnson	0.24 s	Kotlin	2023-04-20 05:37:49

#	User	Runtime	Language	Date
1	Lars Åström	0.00 s	OCaml	2020-11-14 12:22:56

#	User	Runtime	Language	Date
1	Hidden user	0.30 s	Odin	2025-05-19 22:19:19

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.01 s	Pascal	2020-12-22 12:46:39

#	User	Runtime	Language	Date
1	Renate	0.01 s	PHP	2021-05-31 00:59:44
2	Victor Santos	0.01 s	PHP	2024-04-18 04:13:29
3	Nathã William Sena Soares	0.69 s	PHP	2024-04-30 20:01:05
4	Andre Wahyudi	0.70 s	PHP	2022-10-25 11:45:30

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.31 s	Prolog	2023-02-02 00:22:41

#	User	Runtime	Language	Date
1	Björn Magnusson	0.03 s	Python 2	2020-11-07 11:06:37
2	Sebastian Boldsen Jakobsen	0.03 s	Python 2	2020-11-07 11:11:27
3	Andrei Stoica	0.03 s	Python 2	2020-11-07 18:58:00
4	Yanmarshus Bachtiar	0.03 s	Python 2	2020-11-08 04:32:55
5	Björn Martinsson	0.03 s	Python 2	2020-11-08 11:47:16
6	Thomas Feld	0.03 s	Python 2	2020-11-12 11:39:08
7	Johan Lyts	0.03 s	Python 2	2020-11-12 15:22:38
8	Hidden user	0.03 s	Python 2	2020-11-28 17:17:00
9	Andreas Björklund	0.04 s	Python 2	2020-11-07 11:06:12
10	Karl-Oskar Rikås	0.04 s	Python 2	2020-11-07 11:35:34

#	User	Runtime	Language	Date
1	Maximus Chin	0.04 s	Python 3	2022-06-22 06:38:20
2	Ya Nant Thin	0.04 s	Python 3	2022-07-19 17:28:41
3	Suus Brommer	0.04 s	Python 3	2022-07-24 13:26:02
4	Manuel Kanahuati Ceballos	0.04 s	Python 3	2022-07-25 08:03:45
5	Katrina Lee	0.04 s	Python 3	2022-08-02 00:19:34
6	Guru Prasath	0.04 s	Python 3	2022-08-02 05:06:42
7	Abel Zeleke	0.04 s	Python 3	2022-08-26 09:45:18
8	ernest	0.04 s	Python 3	2022-09-01 17:40:50
9	Mustefa Kamil	0.04 s	Python 3	2022-09-08 13:56:54
10	William Taylor-Melanson	0.04 s	Python 3	2022-09-14 01:21:36

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Ruby	2020-11-08 21:13:01
2	Thomas Feld	0.06 s	Ruby	2022-11-08 15:22:22
3	Eugen Neagoe	0.06 s	Ruby	2023-04-04 14:35:15
4	Chenzhang Hu	0.06 s	Ruby	2024-04-15 14:53:27
5	Noah Hessen Bjerke	0.11 s	Ruby	2022-11-25 16:20:41

#	User	Length	Language	Date
1	Arvid Jonasson	98	APL	2025-06-30 21:16:52

#	User	Length	Language	Date
1	Chenzhang Hu	52	Bash	2025-09-13 02:42:19

#	User	Length	Language	Date
1	Martin Blom	186	C	2023-10-29 19:52:05
2	Matthew Weston	301	C	2022-01-11 15:28:54
3	James Christian Ruiz	325	C	2022-12-29 05:24:38
4	Agis Daniels	370	C	2021-12-13 14:07:33
5	Emil Wihlander	412	C	2020-11-26 15:58:29
6	Adrian-Valeriu Croitoru	440	C	2020-11-28 14:38:18
7	Ata Kırcadağ	520	C	2025-04-13 01:04:37
8	Ximun Castoreo	536	C	2020-11-19 12:12:25
9	Allan Nouri	537	C	2023-11-13 14:34:14
10	PhilCampbell	546	C	2020-12-29 16:19:01

#	User	Length	Language	Date
1	Göran Andersson	403	C#	2022-05-10 16:35:03
2	Thomas Norris	425	C#	2020-11-13 02:05:15
3	Samee Mushtak	557	C#	2021-03-07 00:47:50
4	Frian Tampake	557	C#	2023-03-24 03:05:02
5	Simon Boye Jørgensen	610	C#	2020-11-07 16:37:32
6	Bjørnar Haugstad Jåtten	635	C#	2020-11-07 12:57:30
7	JD Edinson JD	741	C#	2022-06-15 20:08:17
8	Kristoffer Højelse	761	C#	2020-11-13 23:37:53
9	Elias Persson	815	C#	2020-11-07 13:18:20
10	Ahmet Murat Gençay	829	C#	2023-09-09 18:41:07

#	User	Length	Language	Date
1	Shang Zhou	209	C++	2021-12-29 06:24:19
2	Đậu Huy Minh	232	C++	2022-10-13 17:02:37
3	Subramanian Ramasamy	248	C++	2022-06-08 11:02:38
4	Yongchen Zhou	259	C++	2022-02-12 19:57:19
5	Buste Alin	261	C++	2024-09-17 17:46:05
6	Yeung Man Tsung	264	C++	2022-11-18 16:21:08
7	Ernest Ng Zi Xuan	267	C++	2026-01-27 06:31:01
8	Csaba Tankó	275	C++	2024-01-13 19:07:34
9	Elias Lolck	280	C++	2023-09-15 13:15:28
10	Jim Zheng	282	C++	2021-02-20 19:31:35

#	User	Length	Language	Date
1	Brandon Mitchell	701	COBOL	2020-11-11 21:53:22

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	365	F#	2022-06-28 17:36:30
2	Janne Brøgger	772	F#	2020-11-07 12:29:31
3	Patrick Bahr	2083	F#	2021-02-21 22:04:05

#	User	Length	Language	Date
1	Martynas Budriūnas	314	Go	2020-11-07 11:07:19
2	Hidden user	340	Go	2021-04-04 03:30:22
3	Jimmy Nejtron	602	Go	2025-07-30 11:40:06
4	Jack Kryger Sørensen	621	Go	2022-01-02 15:17:15
5	Magix	712	Go	2020-12-12 08:44:13
6	Norbert Voelker	778	Go	2021-04-17 23:29:00

#	User	Length	Language	Date
1	Øyvind Almli	151	Haskell	2021-09-14 14:37:34
2	Rikke Aas	215	Haskell	2020-11-07 18:31:22
3	Amar Topalovic	252	Haskell	2020-11-14 19:31:25
4	Brent Yorgey	275	Haskell	2020-11-07 14:20:11
5	Sebastian Banert	277	Haskell	2023-09-13 13:35:39
6	Steinar Simonnes	296	Haskell	2020-11-07 11:46:12
7	Åsmund Kløvstad	297	Haskell	2021-10-06 17:40:04
8	Greg Rosser	322	Haskell	2024-02-24 13:33:36
9	Matthew Lutze	325	Haskell	2021-01-01 15:07:00
10	Zackeus Zetterberg	371	Haskell	2021-09-21 13:04:00

#	User	Length	Language	Date
1	Jason Liu	412	Java	2023-05-13 20:18:35
2	Nicholas Bui	416	Java	2022-06-06 00:18:39
3	Andreas Guldborg Hansen	482	Java	2021-10-05 15:44:09
4	Jacob Williams	487	Java	2021-01-07 11:15:58
5	Markus Bao	487	Java	2025-09-11 06:01:22
6	Thomas Anung Basuki	498	Java	2025-12-23 04:45:03
7	Niladri Deb	510	Java	2023-02-11 21:20:28
8	Jan Marvin Lim	516	Java	2020-11-13 17:50:10
9	Owen Eckart	520	Java	2022-02-12 19:23:43
10	Thais Kure Corneliussen	532	Java	2020-11-07 11:58:48

#	User	Length	Language	Date
1	Hidden user	448	JavaScript (Node.js)	2023-09-20 02:17:46
2	Peter Kedemo	496	JavaScript (Node.js)	2020-12-25 23:44:28
3	Chris Wong	613	JavaScript (Node.js)	2021-02-07 12:48:08
4	Howard Tin Chi Chan	708	JavaScript (Node.js)	2021-02-08 15:01:40
5	John	1028	JavaScript (Node.js)	2021-02-27 07:20:01

#	User	Length	Language	Date
1	Evan Magill	122	JavaScript (SpiderMonkey)	2024-04-19 21:44:10
2	Jimmy Gustafsson	206	JavaScript (SpiderMonkey)	2022-09-13 21:52:07
3	Bjørn Chr. Soltvedt	279	JavaScript (SpiderMonkey)	2020-11-08 17:47:19
4	Peter Menyes	293	JavaScript (SpiderMonkey)	2021-08-10 19:36:57
5	Zach Tschetter	357	JavaScript (SpiderMonkey)	2023-04-19 18:49:27
6	Nicklas Utgaard	444	JavaScript (SpiderMonkey)	2021-12-23 13:26:37
7	Christian Pilegaard Cederquist	444	JavaScript (SpiderMonkey)	2022-12-29 01:16:28

#	User	Length	Language	Date
1	Danny Robinson	56	Julia	2023-09-01 02:58:18
2	Timothy Gaede	219	Julia	2024-04-01 07:33:04

#	User	Length	Language	Date
1	Nicholas Johnson	149	Kotlin	2021-07-31 04:41:14
2	Troels Bjerre Lund	164	Kotlin	2022-03-29 16:36:51
3	Jacob Huebner	222	Kotlin	2021-07-26 07:30:21
4	Troy Warmboe	225	Kotlin	2023-04-11 02:28:40
5	Adam Rankin	239	Kotlin	2023-05-05 01:10:15
6	Hamdanil Rasyid	318	Kotlin	2025-03-31 03:07:18
7	Roger Bongers	343	Kotlin	2021-06-26 21:29:23
8	Chris Johnson	379	Kotlin	2023-04-20 05:37:49
9	Kristofer Sokk	389	Kotlin	2020-11-07 11:49:04
10	Sergey Jakobsen	396	Kotlin	2021-07-19 15:00:47

#	User	Length	Language	Date
1	Lars Åström	903	OCaml	2020-11-14 12:22:56

#	User	Length	Language	Date
1	Hidden user	545	Odin	2025-05-19 22:19:19

#	User	Length	Language	Date
1	Ingemar Ragnemalm	304	Pascal	2020-12-22 12:46:39

#	User	Length	Language	Date
1	Renate	307	PHP	2021-05-31 00:59:44
2	Victor Santos	351	PHP	2024-04-18 04:13:29
3	Nathã William Sena Soares	436	PHP	2024-04-30 20:01:05
4	Andre Wahyudi	660	PHP	2022-10-25 11:45:30

#	User	Length	Language	Date
1	Hakan Kjellerstrand	529	Prolog	2023-02-02 00:24:20

#	User	Length	Language	Date
1	Yanmarshus Bachtiar	79	Python 2	2020-11-08 04:32:55
2	Thomas Feld	111	Python 2	2020-11-12 11:39:08
3	Björn Magnusson	117	Python 2	2020-11-07 11:06:37
4	Sebastian Boldsen Jakobsen	131	Python 2	2020-11-07 11:11:27
5	Björn Martinsson	165	Python 2	2020-11-08 11:47:16
6	Johan Lyts	183	Python 2	2020-11-12 21:03:54
7	Andreas Björklund	220	Python 2	2020-11-07 11:06:12
8	Andrei Stoica	233	Python 2	2020-11-07 18:58:00
9	Hidden user	272	Python 2	2020-11-28 17:17:00
10	Karl-Oskar Rikås	329	Python 2	2020-11-07 11:35:34

#	User	Length	Language	Date
1	Clement Oh	59	Python 3	2023-06-07 15:59:32
2	Henrik Olsen Eide	59	Python 3	2023-09-01 09:38:48
3	Jonas Ryssel	59	Python 3	2023-10-27 19:21:03
4	Kévin Dubrulle	59	Python 3	2024-04-08 15:32:09
5	David Worley	59	Python 3	2025-10-01 20:13:45
6	Sean Malloy	60	Python 3	2024-04-13 21:55:51
7	Charles Ancheta	61	Python 3	2023-03-28 09:06:03
8	Alexandre Charland	61	Python 3	2024-07-19 15:27:34
9	Christofer Hallberg	63	Python 3	2022-09-17 23:51:13
10	Lasse Letager Hansen	63	Python 3	2022-10-31 19:21:22

#	User	Length	Language	Date
1	Chenzhang Hu	43	Ruby	2024-04-15 14:53:27
2	Thomas Feld	45	Ruby	2022-12-23 09:34:45
3	Hidden user	58	Ruby	2020-11-08 21:13:01
4	Noah Hessen Bjerke	120	Ruby	2022-11-25 16:20:41
5	Eugen Neagoe	145	Ruby	2023-04-04 14:35:15

#	User	Length	Language	Date
1	David Aldenbro	194	Rust	2023-10-22 13:22:59
2	Emil Dichmann	247	Rust	2025-09-14 10:30:40
3	Pankajkumar Patro	257	Rust	2024-10-08 15:22:04
4	Vincent Lagerros	257	Rust	2025-01-27 10:14:41
5	David Zacek	363	Rust	2021-05-25 00:22:43
6	Jesper Bech Christensen	396	Rust	2022-02-28 16:38:16
7	Kok Dith	458	Rust	2021-08-06 10:52:49
8	Bas Dirks	463	Rust	2022-01-01 15:43:33
9	Fredrik Eriksson	494	Rust	2025-06-29 22:45:50
10	Einar Kjellback	532	Rust	2021-03-16 17:54:59

Solution running time distribution