Problem A
Digit Sum — Problem Statistics

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Submissions	4817
Accepted submissions	1116
Submission ratio	23.17%
Authors	1358
Full solves [?]	810
Full solve Ratio	59.65%

#	User	Runtime	Language	Date
1	Brian Scott	0.02 s	C#	2016-10-10 19:29:25
2	Raul Kooter	0.02 s	C#	2016-12-07 19:08:35
3	Simon M. Binyamin	0.02 s	C#	2019-09-19 13:15:47
4	Sebastian Gielinger	0.02 s	C#	2019-12-11 09:58:06
5	Marek	0.03 s	C#	2016-10-11 12:26:44

#	User	Runtime	Language	Date
1	Claro Henrique	0.00 s	Go	2024-08-06 11:43:16
2	Lukas L. Hjelmstrand	0.02 s	Go	2021-09-18 09:08:05
3	Việt Hà Nguyễn	0.08 s	Go	2016-07-17 07:02:18

#	User	Runtime	Language	Date
1	Chen Hanslen	0.00 s	Haskell	2015-09-25 13:41:12
2	姚锦铭	0.00 s	Haskell	2015-09-26 16:53:47
3	Lars Corbijn	0.00 s	Haskell	2016-10-16 19:33:30
4	Ayoub Chegraoui	0.00 s	Haskell	2017-03-16 15:50:56
5	Eric Dilmore (geppettodivacin)	0.00 s	Haskell	2017-07-22 05:46:17
6	Erik Tjøswold	0.00 s	Haskell	2019-02-03 13:22:45
7	Juan Miguel Vilar	0.00 s	Haskell	2025-10-02 08:35:43
8	Jesper Lundholm	0.01 s	Haskell	2018-05-30 12:31:36
9	Brent Yorgey	0.01 s	Haskell	2019-06-28 22:25:08
10	Intrets	0.01 s	Haskell	2019-09-05 21:26:15

#	User	Runtime	Language	Date
1	Samuel Klingström	0.05 s	Java	2017-08-16 12:00:02
2	Erik Odenman	0.06 s	Java	2012-11-07 17:28:18
3	Johan Sannemo	0.06 s	Java	2012-11-07 18:42:27
4	Hidden user	0.06 s	Java	2014-10-19 10:56:20
5	Jimmy Mårdell	0.06 s	Java	2014-12-18 19:14:07
6	Ryan Kelsey	0.06 s	Java	2015-03-21 20:46:44
7	Hidden user	0.06 s	Java	2015-11-07 03:32:55
8	Nguyễn Mạnh Phúc	0.06 s	Java	2015-11-07 04:18:04
9	Luu Nhat Phi	0.06 s	Java	2015-11-07 07:48:55
10	Trần Công Duy	0.06 s	Java	2015-11-07 17:37:02

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.03 s	JavaScript (SpiderMonkey)	2022-09-20 07:38:41
2	Christian Pilegaard Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-09-21 23:08:20

#	User	Runtime	Language	Date
1	Phường Lên	0.14 s	Kotlin	2020-07-17 03:39:02
2	Jacob Huebner	0.17 s	Kotlin	2020-03-20 23:13:48
3	Adam Rankin	0.21 s	Kotlin	2023-09-01 04:10:24
4	Leonard Alexander Blechschmidt	0.22 s	Kotlin	2021-12-06 16:50:16

#	User	Runtime	Language	Date
1	Michael Wang	0.00 s	OCaml	2020-05-25 05:27:25

#	User	Runtime	Language	Date
1	Victor Santos	0.01 s	PHP	2024-04-08 13:38:44

#	User	Runtime	Language	Date
1	Björn Orri Sæmundsson	0.03 s	Python 2	2014-12-09 03:58:14
2	Asger Hautop Drewsen	0.03 s	Python 2	2015-09-24 11:47:52
3	Lim Hong Hui Eugene	0.03 s	Python 2	2016-08-03 22:56:18
4	Hidden user	0.03 s	Python 2	2017-05-09 15:11:03
5	Kuan Wei Heng	0.03 s	Python 2	2017-08-29 02:13:34
6	Hermon Mulat	0.03 s	Python 2	2018-10-08 20:30:17
7	Temkin Mengistu	0.03 s	Python 2	2019-08-22 07:19:59
8	Bertrand Evertz	0.03 s	Python 2	2020-05-18 21:48:30
9	Tore Norderud	0.04 s	Python 2	2015-11-11 02:19:52
10	Ailo Aasen	0.04 s	Python 2	2015-12-27 13:43:06

#	User	Runtime	Language	Date
1	Jonatan Stodeman	0.02 s	Python 3	2015-11-10 21:53:55
2	Tianyu Zhang	0.02 s	Python 3	2016-01-19 06:02:12
3	Marlos C. Machado	0.02 s	Python 3	2016-01-23 22:25:19
4	Christian Lindeström	0.02 s	Python 3	2016-09-18 02:44:32
5	Surajit Jati	0.02 s	Python 3	2017-03-19 09:54:45
6	Deqing Fu	0.02 s	Python 3	2017-04-22 20:15:09
7	Dan Schmidt	0.02 s	Python 3	2017-04-29 12:03:22
8	Lionel KITIHOUN	0.02 s	Python 3	2017-05-08 13:34:06
9	Torstein Strømme	0.02 s	Python 3	2017-11-14 18:14:33
10	Ram Basnet	0.02 s	Python 3	2017-11-22 06:14:14

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Ruby	2019-12-16 17:19:29
2	Robert Haines	0.05 s	Ruby	2022-05-07 18:12:35
3	Thomas Feld	0.06 s	Ruby	2023-06-29 10:26:27
4	Clement Oh	0.07 s	Ruby	2024-03-03 07:49:47

#	User	Runtime	Language	Date
1	Jason Hooper	0.00 s	Rust	2022-07-20 01:17:53
2	Daniel Anker Hermansen	0.00 s	Rust	2024-02-03 19:24:16
3	Sebastián Solari	0.02 s	Rust	2020-08-02 22:49:24

#	User	Length	Language	Date
1	Josenildo Silva	392	C	2017-01-14 16:14:49
2	Hidden user	547	C	2017-04-12 17:56:53
3	Mirel Cosulschi	575	C	2024-04-15 10:04:55
4	Adam Stuart Richardson	628	C	2015-03-21 19:54:45
5	Ivan Petrov	631	C	2019-07-22 08:14:55
6	Alex Zuckut	672	C	2017-04-07 18:04:21
7	Hidden user	673	C	2017-05-09 15:03:13
8	Cesar Hernandez	812	C	2018-10-24 14:42:35
9	Elin Zhang	1134	C	2024-12-16 17:39:57
10	Sabit Zahin	1260	C	2015-10-20 17:19:30

#	User	Length	Language	Date
1	Brian Scott	515	C#	2016-10-10 19:29:25
2	Simon M. Binyamin	976	C#	2019-09-19 13:15:47
3	Sebastian Gielinger	1651	C#	2019-12-11 09:58:06
4	Marek	2179	C#	2016-10-11 12:26:44
5	Raul Kooter	2822	C#	2016-12-07 19:08:35

#	User	Length	Language	Date
1	Evan Rose	280	C++	2023-04-22 06:10:25
2	Yeoh Han Yi	333	C++	2025-04-17 01:03:42
3	a_b__c	392	C++	2021-02-21 17:43:06
4	Vũ Đức Tùng	393	C++	2016-10-20 08:39:11
5	João Araújo	396	C++	2016-04-02 15:55:05
6	Hidden user	408	C++	2015-03-21 18:42:42
7	Muhammad Shafiq Affandi	413	C++	2020-11-01 08:46:45
8	Ragur Krishnan	425	C++	2018-08-12 16:07:36
9	Hongbo Zhang	431	C++	2015-03-21 17:57:19
10	Way Tan	432	C++	2019-03-22 15:24:14

#	User	Length	Language	Date
1	Việt Hà Nguyễn	717	Go	2016-07-17 07:02:18
2	Claro Henrique	733	Go	2024-08-06 11:43:16
3	Lukas L. Hjelmstrand	3196	Go	2021-09-18 09:08:05

#	User	Length	Language	Date
1	Hidden user	446	Haskell	2022-02-04 05:32:19
2	Ayoub Chegraoui	467	Haskell	2017-03-16 15:50:56
3	Juan Miguel Vilar	595	Haskell	2025-10-02 08:35:43
4	Johannes Ljung Ekeroth	635	Haskell	2020-12-30 17:42:57
5	姚锦铭	662	Haskell	2015-09-26 22:18:22
6	Chen Hanslen	713	Haskell	2015-09-25 13:41:12
7	Zach Tschetter	719	Haskell	2022-02-06 22:01:18
8	Eric Dilmore (geppettodivacin)	757	Haskell	2017-07-22 05:46:17
9	Hidden user	1152	Haskell	2023-08-29 14:35:30
10	Jesper Lundholm	1184	Haskell	2018-05-30 12:31:36

#	User	Length	Language	Date
1	Zimu Qin	594	Java	2015-09-25 23:15:34
2	Brian Scott	624	Java	2016-10-14 06:21:19
3	Marlon Liu	674	Java	2016-04-23 17:39:32
4	Charles Koenig	691	Java	2015-03-21 18:07:20
5	Kurtis Van Gent	696	Java	2016-06-24 18:43:47
6	Duncan Page	703	Java	2019-11-25 23:02:30
7	Matt Ballard	728	Java	2016-02-12 18:05:23
8	Doug Goodman	743	Java	2016-06-24 13:34:49
9	Måns Magnusson	755	Java	2016-04-28 17:21:55
10	Erik Odenman	816	Java	2012-11-07 17:28:18

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	384	JavaScript (SpiderMonkey)	2023-09-21 23:08:20
2	Jimmy Gustafsson	1077	JavaScript (SpiderMonkey)	2022-09-20 07:38:41

#	User	Length	Language	Date
1	Adam Rankin	867	Kotlin	2023-09-01 04:10:24
2	Jacob Huebner	924	Kotlin	2020-03-20 23:13:48
3	Phường Lên	1465	Kotlin	2020-07-17 03:39:02
4	Leonard Alexander Blechschmidt	1906	Kotlin	2021-12-06 16:50:16

#	User	Length	Language	Date
1	Michael Wang	504	OCaml	2020-05-25 05:27:25

#	User	Length	Language	Date
1	Victor Santos	2332	PHP	2024-04-08 19:09:13

#	User	Length	Language	Date
1	Caleb Bryant	260	Python 2	2015-10-08 06:15:03
2	Kuan Wei Heng	300	Python 2	2017-08-29 02:13:34
3	Andreas Björklund	302	Python 2	2021-02-08 15:21:16
4	Thomas Feld	353	Python 2	2020-06-24 08:35:05
5	Johan Lyts	396	Python 2	2020-09-30 12:18:21
6	Ragur Krishnan	397	Python 2	2018-09-22 04:52:44
7	Tore Norderud	398	Python 2	2015-11-11 02:19:52
8	Suchi Amalapurapu	452	Python 2	2020-03-30 09:01:58
9	Hidden user	464	Python 2	2017-05-09 15:11:03
10	Serghei Mihailov	465	Python 2	2018-10-19 00:29:58

#	User	Length	Language	Date
1	Clement Oh	140	Python 3	2023-08-20 04:23:16
2	George Zhang	154	Python 3	2024-10-03 07:32:50
3	Christopher Jernberg	191	Python 3	2023-01-05 13:18:31
4	Yong Mao	222	Python 3	2023-06-13 00:45:39
5	Lawry Sorenson	231	Python 3	2024-05-31 04:32:04
6	ALPHONSE DESIRE JUNIOR ENAMA	234	Python 3	2025-08-10 16:51:32
7	Peter Ton	238	Python 3	2024-10-02 01:21:30
8	Gaelan McMillan	250	Python 3	2024-10-03 15:15:22
9	Bryan Juniano	257	Python 3	2025-05-01 13:31:01
10	Manu Lam	263	Python 3	2018-03-23 07:01:35

#	User	Length	Language	Date
1	Thomas Feld	98	Ruby	2023-06-29 10:29:10
2	Clement Oh	191	Ruby	2024-03-03 07:49:47
3	Hidden user	517	Ruby	2019-12-16 17:19:29
4	Robert Haines	648	Ruby	2022-05-07 18:12:35

#	User	Length	Language	Date
1	Sebastián Solari	2310	Rust	2020-08-02 22:49:24
2	Jason Hooper	3734	Rust	2022-07-20 01:17:53
3	Daniel Anker Hermansen	26711	Rust	2024-02-03 19:24:16

Solution running time distribution