Problem A
ASCII Addition — Problem Statistics

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Submissions	2655
Accepted submissions	1390
Submission ratio	52.35%
Authors	1361
Full solves [?]	1199
Full solve Ratio	88.10%

#	User	Runtime	Language	Date
1	Claudius Sundlöf	0.02 s	C#	2017-09-21 14:59:28
2	Klas af Geijerstam	0.02 s	C#	2017-09-21 22:13:31
3	Jeremiah A. Stringer	0.02 s	C#	2017-09-24 06:35:54
4	Firas Al Omary	0.02 s	C#	2017-10-15 13:01:32
5	Nick Russell	0.02 s	C#	2018-06-22 15:37:41
6	luna lovegood	0.02 s	C#	2019-01-16 06:16:41
7	Ammar AlHamdo	0.02 s	C#	2019-02-07 03:28:47
8	Gurpartap Singh Bhatti	0.02 s	C#	2019-06-29 07:51:03
9	Raul Nina	0.02 s	C#	2019-10-20 05:03:53
10	Thomas Norris	0.02 s	C#	2020-01-09 21:08:18

#	User	Runtime	Language	Date
1	David Cawthon	0.02 s	Common Lisp	2019-05-13 04:19:26
2	Hidden user	0.02 s	Common Lisp	2019-06-11 08:48:30

#	User	Runtime	Language	Date
1	Chris Rudolph	0.06 s	F#	2020-10-12 03:10:27
2	Jacob Harris Cryer Kragh	0.07 s	F#	2022-08-11 18:50:16

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.07 s	Go	2019-05-16 11:13:44
2	Ian Howell	0.08 s	Go	2021-01-12 16:50:03
3	Norbert Voelker	0.08 s	Go	2021-04-25 12:54:36
4	Resa Renaldy	0.08 s	Go	2021-07-21 12:14:32

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2017-10-13 07:26:43
2	Olle Eriksson	0.00 s	Haskell	2017-11-18 22:10:22
3	Ng Tek In	0.00 s	Haskell	2022-08-16 18:36:15
4	Li Jun	0.00 s	Haskell	2023-07-05 21:23:29
5	Øyvind Almli	0.00 s	Haskell	2024-04-25 21:02:25
6	Alex Marion	0.00 s	Haskell	2024-06-13 20:30:07
7	Steinar Simonnes	0.00 s	Haskell	2024-06-18 19:42:55
8	Oishik Ganguly	0.00 s	Haskell	2025-02-24 00:08:19
9	Arnold Meijster	0.00 s	Haskell	2025-12-13 13:27:42
10	Hidden user	0.01 s	Haskell	2019-09-12 18:39:45

#	User	Runtime	Language	Date
1	Joshua Chin	0.04 s	Java	2025-05-29 11:17:25
2	Michael Wittenberg	0.04 s	Java	2025-12-12 06:33:35
3	Martijn Muijsers	0.05 s	Java	2017-09-22 00:31:16
4	Steven Cheng	0.05 s	Java	2017-09-27 20:16:36
5	Finn Lidbetter	0.05 s	Java	2017-10-02 00:22:50
6	Ali Zarrini	0.05 s	Java	2017-10-04 06:28:06
7	Nick Wu	0.05 s	Java	2017-10-06 07:20:41
8	Nguyễn Mạnh Phúc	0.05 s	Java	2017-10-09 10:14:07
9	Micah Stairs	0.05 s	Java	2017-10-12 21:46:36
10	Eimhin McDonald	0.05 s	Java	2017-10-21 07:02:20

#	User	Runtime	Language	Date
1	Yue Yu	0.04 s	JavaScript (Node.js)	2024-05-21 00:20:26
2	Will Cosley	0.04 s	JavaScript (Node.js)	2025-03-24 18:44:25
3	Carl Sundvall	0.05 s	JavaScript (Node.js)	2018-11-15 11:55:46
4	luna lovegood	0.06 s	JavaScript (Node.js)	2019-01-16 06:25:08
5	Peter Kedemo	0.41 s	JavaScript (Node.js)	2019-12-22 20:07:23
6	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-20 16:58:32
7	Chris Wong	0.42 s	JavaScript (Node.js)	2021-03-07 23:41:47
8	Stian Toften	0.42 s	JavaScript (Node.js)	2021-04-15 22:23:25

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2017-09-23 21:16:16
2	Graham Fairweather	0.01 s	JavaScript (SpiderMonkey)	2017-10-09 18:08:57
3	Bernard Perrin	0.03 s	JavaScript (SpiderMonkey)	2019-04-08 09:34:05
4	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-08-31 11:23:35
5	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-01-18 15:18:19

#	User	Runtime	Language	Date
1	Timothy Gaede	0.94 s	Julia	2024-06-14 05:57:43

#	User	Runtime	Language	Date
1	Johnny Baloney	0.15 s	Kotlin	2021-12-09 16:14:49
2	Frederik Bjørn Groben Nielsen	0.18 s	Kotlin	2018-09-15 18:40:08
3	Emil Saric	0.20 s	Kotlin	2017-11-18 09:46:50
4	Neil Harmon	0.22 s	Kotlin	2019-10-03 14:29:39
5	Ola Sundell	0.23 s	Kotlin	2020-08-21 13:29:31
6	Nicholas Johnson	0.24 s	Kotlin	2020-04-03 00:37:21
7	Ali M. Nekoh	0.24 s	Kotlin	2025-05-13 07:30:03
8	Aerika Modi	0.25 s	Kotlin	2025-05-13 11:17:07
9	Cheatahh	0.26 s	Kotlin	2025-05-11 16:17:25

#	User	Runtime	Language	Date
1	Greg Gorlen	0.00 s	Lua	2025-08-04 17:23:16

#	User	Runtime	Language	Date
1	Alfred Morgan	0.00 s	Nim	2025-10-18 06:28:37

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	OCaml	2025-05-11 07:10:57

#	User	Runtime	Language	Date
1	David Connolly	0.00 s	Pascal	2017-10-13 10:39:17
2	Ingemar Ragnemalm	0.00 s	Pascal	2017-10-20 10:34:00

#	User	Runtime	Language	Date
1	Jonas Lindenskov Nielsen	0.01 s	PHP	2019-11-02 23:33:13
2	Susanne Ragnemalm	0.01 s	PHP	2023-10-30 10:46:34
3	Peter Toso	0.01 s	PHP	2025-05-16 07:59:06

#	User	Runtime	Language	Date
1	Alain Dupuis	0.02 s	Python 2	2017-10-01 20:08:57
2	Peter Sofronas	0.02 s	Python 2	2018-01-10 22:52:28
3	Alex Van Keulen	0.02 s	Python 2	2018-02-04 04:42:38
4	Hasan Kalzi	0.02 s	Python 2	2022-06-17 15:49:42
5	Christofer Ohlsson	0.03 s	Python 2	2017-09-19 21:58:29
6	Çağdaş Öztekin	0.03 s	Python 2	2017-09-26 16:46:41
7	Sala Gabriel	0.03 s	Python 2	2017-09-29 15:32:08
8	Sigurður Jens Albertsson	0.03 s	Python 2	2018-01-30 21:28:31
9	Daniel Widmer	0.03 s	Python 2	2018-03-16 09:49:57
10	Johan Wind	0.03 s	Python 2	2018-03-20 18:37:21

#	User	Runtime	Language	Date
1	Björn Thorén	0.02 s	Python 3	2017-09-19 18:39:26
2	Marcus Dicander	0.02 s	Python 3	2017-09-19 20:18:19
3	Herman Karlsson	0.02 s	Python 3	2017-09-19 20:25:56
4	Robert Welin-Berger	0.02 s	Python 3	2017-09-19 20:38:12
5	Mathias Rav	0.02 s	Python 3	2017-09-22 15:30:10
6	Arnav Sastry	0.02 s	Python 3	2017-09-23 01:56:06
7	Ethan Arnold	0.02 s	Python 3	2017-09-23 04:00:34
8	Asger Hautop Drewsen	0.02 s	Python 3	2017-09-24 12:30:06
9	Casper Freksen	0.02 s	Python 3	2017-09-24 12:41:04
10	Oskar Haarklou Veileborg	0.02 s	Python 3	2017-09-24 12:54:21

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Ruby	2018-03-03 03:26:47
2	Jason Zareski	0.03 s	Ruby	2018-03-03 03:27:29
3	Byron Ethelbert Nill	0.04 s	Ruby	2019-09-21 18:45:07
4	Byron Ethelbert Nill	0.04 s	Ruby	2019-09-21 18:45:55
5	Gwyneth Ang	0.04 s	Ruby	2019-09-23 05:07:10
6	Macdara mac an tSionnaigh	0.04 s	Ruby	2019-11-25 15:22:51
7	Kok Dith	0.05 s	Ruby	2021-08-19 10:07:49
8	Odin Hufnagl	0.06 s	Ruby	2024-02-06 16:02:52

#	User	Length	Language	Date
1	Mattia Marziali	524	C	2024-09-10 02:07:49
2	Jordan Perry	771	C	2022-10-27 00:10:26
3	PhilCampbell	2097	C	2021-01-28 15:28:56
4	Anton Lyxell	2202	C	2017-09-22 12:08:20
5	Miguel Müller	2202	C	2017-09-22 17:09:16
6	Lars Hummelgren	2202	C	2017-09-22 17:24:15
7	Clement Cheng Le Da	2250	C	2019-01-17 11:39:49
8	Martin Fornhem	2558	C	2026-02-19 13:52:01
9	JUNIOR	2722	C	2019-01-09 08:24:48
10	Ivan Petrov	2873	C	2019-07-15 16:25:28

#	User	Length	Language	Date
1	Göran Andersson	1848	C#	2022-05-15 20:30:55
2	Anthony Ye	2165	C#	2023-09-24 19:12:27
3	Esty Crow	2248	C#	2023-09-23 05:20:14
4	Jens Erik	2650	C#	2025-11-17 23:10:51
5	Simon Thillemann Nielsen	2650	C#	2025-11-17 23:15:35
6	Michael Damsgaard	3533	C#	2024-12-04 09:03:21
7	Josue David Lima Garcia	3908	C#	2019-10-17 05:08:39
8	Nick Russell	4072	C#	2018-06-22 15:37:41
9	Gurpartap Singh Bhatti	4618	C#	2019-06-29 07:51:03
10	Freddy N	4869	C#	2023-12-14 13:21:20

#	User	Length	Language	Date
1	Mattia Marziali	491	C++	2024-09-12 12:32:02
2	Frans Meulenbroeks	815	C++	2024-11-22 17:22:35
3	Hyunjun Lee	1134	C++	2022-10-21 00:13:44
4	Frederick Pek	1170	C++	2021-06-13 19:57:41
5	Mugeon Kim	1304	C++	2024-02-14 05:29:31
6	Zac Friggstad	1306	C++	2020-04-04 21:16:59
7	Austin Fernandez	1411	C++	2019-07-07 20:18:29
8	Ammar Fathin Sabili	1423	C++	2019-01-10 02:58:08
9	Evan Michael Bailey	1450	C++	2024-01-29 06:56:14
10	Micah Picasso	1490	C++	2017-10-26 00:57:21

#	User	Length	Language	Date
1	Hidden user	1970	Common Lisp	2019-06-11 08:48:30
2	David Cawthon	2944	Common Lisp	2019-05-13 04:19:26

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1928	F#	2022-08-11 18:50:16
2	Chris Rudolph	4375	F#	2020-10-12 03:10:27

#	User	Length	Language	Date
1	Resa Renaldy	2048	Go	2021-07-21 12:14:32
2	Ian Howell	2635	Go	2021-01-12 16:50:03
3	Norbert Voelker	2683	Go	2021-04-25 12:54:36
4	Andriy Zyevakov	2689	Go	2019-05-16 11:13:44

#	User	Length	Language	Date
1	Li Jun	1193	Haskell	2023-07-05 21:23:29
2	Brent Yorgey	1261	Haskell	2017-10-13 07:26:43
3	Shing Tak Lam	1728	Haskell	2021-03-12 15:51:01
4	Øyvind Almli	1843	Haskell	2021-10-09 19:39:31
5	Steinar Simonnes	1920	Haskell	2024-06-18 19:42:55
6	Olle Eriksson	2018	Haskell	2017-11-18 22:10:22
7	Arnold Meijster	2218	Haskell	2025-12-13 13:27:42
8	Jan Hrček	2554	Haskell	2020-11-14 07:44:10
9	Ng Tek In	2816	Haskell	2022-08-16 18:36:15
10	Isaac Arvestad	3034	Haskell	2020-02-22 11:07:27

#	User	Length	Language	Date
1	Mikaela Gray	1725	Java	2019-05-30 08:35:30
2	Kevin Chevalier	1806	Java	2019-05-30 08:21:22
3	Alyssa Lawton	1876	Java	2019-05-30 08:33:17
4	Jan Ambro Canicon	2117	Java	2020-10-26 14:48:12
5	Doug Goodman	2126	Java	2018-12-29 22:05:59
6	Jinxuan Cui	2188	Java	2017-11-23 19:24:27
7	Jan Niklas Kleine	2243	Java	2025-01-29 01:38:14
8	Caleb Reath	2289	Java	2017-10-13 04:44:32
9	Marshall D Feng	2298	Java	2022-02-26 20:55:27
10	Tristen Tulkens	2347	Java	2017-10-01 21:45:12

#	User	Length	Language	Date
1	Stian Toften	1447	JavaScript (Node.js)	2021-04-15 22:23:25
2	Will Cosley	1513	JavaScript (Node.js)	2025-03-24 18:44:25
3	Peter Kedemo	1617	JavaScript (Node.js)	2019-12-22 20:07:23
4	Chris Wong	2257	JavaScript (Node.js)	2021-03-07 23:41:47
5	Carl Sundvall	2327	JavaScript (Node.js)	2018-11-15 11:55:46
6	Yue Yu	3135	JavaScript (Node.js)	2024-05-21 00:20:26
7	Andoko Chandra	3295	JavaScript (Node.js)	2020-10-20 16:58:32
8	luna lovegood	25095	JavaScript (Node.js)	2019-01-16 06:25:08

#	User	Length	Language	Date
1	Peter Menyes	1189	JavaScript (SpiderMonkey)	2021-08-31 11:23:35
2	Bjørn Chr. Soltvedt	1380	JavaScript (SpiderMonkey)	2017-09-23 21:16:16
3	Bernard Perrin	1702	JavaScript (SpiderMonkey)	2019-04-08 09:34:05
4	Christian Pilegaard Cederquist	2823	JavaScript (SpiderMonkey)	2023-01-18 15:18:19
5	Graham Fairweather	4345	JavaScript (SpiderMonkey)	2017-10-09 18:08:57

#	User	Length	Language	Date
1	Timothy Gaede	2886	Julia	2024-06-14 05:57:43

#	User	Length	Language	Date
1	Emil Saric	1597	Kotlin	2017-11-18 09:46:50
2	Cheatahh	1978	Kotlin	2025-05-11 16:17:25
3	Aerika Modi	2050	Kotlin	2025-05-13 11:17:07
4	Neil Harmon	2328	Kotlin	2019-10-03 14:29:39
5	Johnny Baloney	2637	Kotlin	2021-12-09 16:21:19
6	Nicholas Johnson	2866	Kotlin	2020-04-03 00:37:21
7	Ali M. Nekoh	3259	Kotlin	2025-05-13 07:30:03
8	Ola Sundell	4220	Kotlin	2020-08-21 13:29:31
9	Frederik Bjørn Groben Nielsen	4242	Kotlin	2018-09-15 18:40:08

#	User	Length	Language	Date
1	Greg Gorlen	2070	Lua	2025-08-04 17:23:16

#	User	Length	Language	Date
1	Alfred Morgan	1738	Nim	2025-10-18 06:28:37

#	User	Length	Language	Date
1	Hidden user	2559	OCaml	2025-05-11 07:10:57

#	User	Length	Language	Date
1	Ingemar Ragnemalm	3258	Pascal	2017-10-20 10:34:00
2	David Connolly	8105	Pascal	2017-10-13 10:39:17

#	User	Length	Language	Date
1	Peter Toso	1661	PHP	2025-05-16 07:59:06
2	Jonas Lindenskov Nielsen	1704	PHP	2019-11-02 23:33:13
3	Susanne Ragnemalm	4473	PHP	2023-10-30 10:46:34

#	User	Length	Language	Date
1	Thomas Feld	532	Python 2	2019-09-11 16:01:07
2	Andreas Eisele	938	Python 2	2018-10-05 12:21:06
3	Johan Wind	982	Python 2	2018-03-20 18:37:21
4	Alex Van Keulen	1072	Python 2	2018-02-04 04:42:38
5	João Pedro Alvito	1190	Python 2	2018-04-03 11:16:59
6	Christofer Ohlsson	1206	Python 2	2017-09-19 21:58:29
7	Sindri Magnusson	1219	Python 2	2019-01-15 01:17:20
8	Andreas Björklund	1277	Python 2	2021-04-05 19:51:57
9	Peter Sofronas	1301	Python 2	2018-01-10 22:52:28
10	Daniel Widmer	1354	Python 2	2018-03-16 09:52:06

#	User	Length	Language	Date
1	Yong Mao	667	Python 3	2023-11-27 23:39:40
2	Ahmed Chamseddine	676	Python 3	2024-09-11 17:42:01
3	Zayne Siew Rui Ze	845	Python 3	2024-01-23 06:07:19
4	Thibault Raffaillac	846	Python 3	2020-01-20 21:58:35
5	Sander Oppen	866	Python 3	2024-02-14 15:21:27
6	Si Jie Tan	889	Python 3	2026-01-09 01:30:48
7	Marcus Xu	909	Python 3	2021-12-20 18:21:30
8	Sriram Sai Ganesh	920	Python 3	2024-05-26 18:14:52
9	Dennis Sweeney	942	Python 3	2019-03-16 08:40:20
10	Oliver Ruste Jahren	944	Python 3	2023-11-04 22:53:31

#	User	Length	Language	Date
1	Kok Dith	1104	Ruby	2021-08-19 10:07:49
2	Hidden user	1575	Ruby	2018-03-03 03:26:47
3	Jason Zareski	1575	Ruby	2018-03-03 03:27:29
4	Byron Ethelbert Nill	2754	Ruby	2019-09-21 18:45:55
5	Gwyneth Ang	2754	Ruby	2019-09-23 05:07:10
6	Odin Hufnagl	2878	Ruby	2024-02-06 16:02:52
7	Macdara mac an tSionnaigh	3328	Ruby	2019-11-25 15:22:51
8	Byron Ethelbert Nill	3502	Ruby	2019-09-21 18:45:07

#	User	Length	Language	Date
1	Artur Khuziakhmetov	1636	Rust	2025-01-18 11:24:34
2	Vincent Lagerros	1963	Rust	2025-07-31 17:27:39
3	Quentin Aubecq	2022	Rust	2024-10-18 11:20:42
4	Matthew Power	2344	Rust	2023-11-05 23:15:12
5	David Rasch	2735	Rust	2021-01-30 15:53:15
6	Magix	3213	Rust	2021-12-29 21:58:44
7	Isak Jägberg	4872	Rust	2020-10-23 21:45:40
8	Bas Dirks	5031	Rust	2022-01-04 22:11:25
9	Ming Kang	5289	Rust	2025-06-05 03:39:34
10	Erik Magnusson	5464	Rust	2024-02-21 23:16:15

Solution running time distribution