Problem A
Digit Sum — Problem Statistics

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Submissions	4949
Accepted submissions	1163
Submission ratio	23.50%
Authors	1402
Full solves [?]	848
Full solve Ratio	60.49%

#	User	Runtime	Language	Date
1	Brian Scott	0.02 s	C#	2016-10-10 21:29:25
2	Raul Kooter	0.02 s	C#	2016-12-07 20:08:35
3	Simon M. Binyamin	0.02 s	C#	2019-09-19 15:15:47
4	Sebastian Gielinger	0.02 s	C#	2019-12-11 10:58:06
5	Marek	0.03 s	C#	2016-10-11 14:26:44

#	User	Runtime	Language	Date
1	Claro Henrique	0.00 s	Go	2024-08-06 13:43:16
2	Lukas L. Hjelmstrand	0.02 s	Go	2021-09-18 11:08:05
3	Việt Hà Nguyễn	0.08 s	Go	2016-07-17 09:02:18

#	User	Runtime	Language	Date
1	Chen Hanslen	0.00 s	Haskell	2015-09-25 15:41:12
2	姚锦铭	0.00 s	Haskell	2015-09-26 18:53:47
3	Lars Corbijn	0.00 s	Haskell	2016-10-16 21:33:30
4	Ayoub Chegraoui	0.00 s	Haskell	2017-03-16 16:50:56
5	Eric Dilmore (geppettodivacin)	0.00 s	Haskell	2017-07-22 07:46:17
6	Erik Tjøswold	0.00 s	Haskell	2019-02-03 14:22:45
7	Juan Miguel Vilar	0.00 s	Haskell	2025-10-02 10:35:43
8	Jesper Lundholm	0.01 s	Haskell	2018-05-30 14:31:36
9	Brent Yorgey	0.01 s	Haskell	2019-06-29 00:25:08
10	Intrets	0.01 s	Haskell	2019-09-05 23:26:15

#	User	Runtime	Language	Date
1	Samuel Klingström	0.05 s	Java	2017-08-16 14:00:02
2	Erik Odenman	0.06 s	Java	2012-11-07 18:28:18
3	Johan Sannemo	0.06 s	Java	2012-11-07 19:42:27
4	Hidden user	0.06 s	Java	2014-10-19 12:56:20
5	Jimmy Mårdell	0.06 s	Java	2014-12-18 20:14:07
6	Ryan Kelsey	0.06 s	Java	2015-03-21 21:46:44
7	Hidden user	0.06 s	Java	2015-11-07 04:32:55
8	Nguyễn Mạnh Phúc	0.06 s	Java	2015-11-07 05:18:04
9	Luu Nhat Phi	0.06 s	Java	2015-11-07 08:48:55
10	Trần Công Duy	0.06 s	Java	2015-11-07 18:37:02

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.03 s	JavaScript (SpiderMonkey)	2022-09-20 09:38:41
2	Christian Pilegaard Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-09-22 01:08:20

#	User	Runtime	Language	Date
1	Phường Lên	0.14 s	Kotlin	2020-07-17 05:39:02
2	Jacob Huebner	0.17 s	Kotlin	2020-03-21 00:13:48
3	Adam Rankin	0.21 s	Kotlin	2023-09-01 06:10:24
4	Leonard Alexander Blechschmidt	0.22 s	Kotlin	2021-12-06 17:50:16

#	User	Runtime	Language	Date
1	Michael Wang	0.00 s	OCaml	2020-05-25 07:27:25

#	User	Runtime	Language	Date
1	Victor Santos	0.01 s	PHP	2024-04-08 15:38:44

#	User	Runtime	Language	Date
1	Björn Orri Sæmundsson	0.03 s	Python 2	2014-12-09 04:58:14
2	Asger Hautop Drewsen	0.03 s	Python 2	2015-09-24 13:47:52
3	Lim Hong Hui Eugene	0.03 s	Python 2	2016-08-04 00:56:18
4	Hidden user	0.03 s	Python 2	2017-05-09 17:11:03
5	Kuan Wei Heng	0.03 s	Python 2	2017-08-29 04:13:34
6	Hermon Mulat	0.03 s	Python 2	2018-10-08 22:30:17
7	Temkin Mengistu	0.03 s	Python 2	2019-08-22 09:19:59
8	Bertrand Evertz	0.03 s	Python 2	2020-05-18 23:48:30
9	Tore Norderud	0.04 s	Python 2	2015-11-11 03:19:52
10	Ailo Aasen	0.04 s	Python 2	2015-12-27 14:43:06

#	User	Runtime	Language	Date
1	Jonatan Stodeman	0.02 s	Python 3	2015-11-10 22:53:55
2	Tianyu Zhang	0.02 s	Python 3	2016-01-19 07:02:12
3	Marlos C. Machado	0.02 s	Python 3	2016-01-23 23:25:19
4	Christian Lindeström	0.02 s	Python 3	2016-09-18 04:44:32
5	Surajit Jati	0.02 s	Python 3	2017-03-19 10:54:45
6	Deqing Fu	0.02 s	Python 3	2017-04-22 22:15:09
7	Dan Schmidt	0.02 s	Python 3	2017-04-29 14:03:22
8	Lionel KITIHOUN	0.02 s	Python 3	2017-05-08 15:34:06
9	Torstein Strømme	0.02 s	Python 3	2017-11-14 19:14:33
10	Ram Basnet	0.02 s	Python 3	2017-11-22 07:14:14

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Ruby	2019-12-16 18:19:29
2	Robert Haines	0.05 s	Ruby	2022-05-07 20:12:35
3	Thomas Feld	0.06 s	Ruby	2023-06-29 12:26:27
4	Clement Oh	0.07 s	Ruby	2024-03-03 08:49:47

#	User	Runtime	Language	Date
1	Jason Hooper	0.00 s	Rust	2022-07-20 03:17:53
2	Daniel Anker Hermansen	0.00 s	Rust	2024-02-03 20:24:16
3	Sebastián Solari	0.02 s	Rust	2020-08-03 00:49:24

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

#	User	Length	Language	Date
1	Brian Scott	515	C#	2016-10-10 21:29:25
2	Simon M. Binyamin	976	C#	2019-09-19 15:15:47
3	Sebastian Gielinger	1651	C#	2019-12-11 10:58:06
4	Marek	2179	C#	2016-10-11 14:26:44
5	Raul Kooter	2822	C#	2016-12-07 20:08:35

#	User	Length	Language	Date
1	Evan Rose	280	C++	2023-04-22 08:10:25
2	Hidden user	333	C++	2025-04-17 03:03:42
3	a_b__c	392	C++	2021-02-21 18:43:06
4	Vũ Đức Tùng	393	C++	2016-10-20 10:39:11
5	João Araújo	396	C++	2016-04-02 17:55:05
6	Hidden user	408	C++	2015-03-21 19:42:42
7	Muhammad Shafiq Affandi	413	C++	2020-11-01 09:46:45
8	Ragur Krishnan	425	C++	2018-08-12 18:07:36
9	Hongbo Zhang	431	C++	2015-03-21 18:57:19
10	Way Tan	432	C++	2019-03-22 16:24:14

#	User	Length	Language	Date
1	Việt Hà Nguyễn	717	Go	2016-07-17 09:02:18
2	Claro Henrique	733	Go	2024-08-06 13:43:16
3	Lukas L. Hjelmstrand	3196	Go	2021-09-18 11:08:05

#	User	Length	Language	Date
1	Hidden user	446	Haskell	2022-02-04 06:32:19
2	Ayoub Chegraoui	467	Haskell	2017-03-16 16:50:56
3	Juan Miguel Vilar	595	Haskell	2025-10-02 10:35:43
4	Johannes Ljung Ekeroth	635	Haskell	2020-12-30 18:42:57
5	姚锦铭	662	Haskell	2015-09-27 00:18:22
6	Chen Hanslen	713	Haskell	2015-09-25 15:41:12
7	Zach Tschetter	719	Haskell	2022-02-06 23:01:18
8	Eric Dilmore (geppettodivacin)	757	Haskell	2017-07-22 07:46:17
9	Hidden user	1152	Haskell	2023-08-29 16:35:30
10	Jesper Lundholm	1184	Haskell	2018-05-30 14:31:36

#	User	Length	Language	Date
1	Lincoln Craddock	309	Java	2026-01-23 21:26:09
2	Zimu Qin	594	Java	2015-09-26 01:15:34
3	Brian Scott	624	Java	2016-10-14 08:21:19
4	Marlon Liu	674	Java	2016-04-23 19:39:32
5	Charles Koenig	691	Java	2015-03-21 19:07:20
6	Kurtis Van Gent	696	Java	2016-06-24 20:43:47
7	Duncan Page	703	Java	2019-11-26 00:02:30
8	Matt Ballard	728	Java	2016-02-12 19:05:23
9	Doug Goodman	743	Java	2016-06-24 15:34:49
10	Måns Magnusson	755	Java	2016-04-28 19:21:55

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	384	JavaScript (SpiderMonkey)	2023-09-22 01:08:20
2	Jimmy Gustafsson	1077	JavaScript (SpiderMonkey)	2022-09-20 09:38:41

#	User	Length	Language	Date
1	Adam Rankin	867	Kotlin	2023-09-01 06:10:24
2	Jacob Huebner	924	Kotlin	2020-03-21 00:13:48
3	Phường Lên	1465	Kotlin	2020-07-17 05:39:02
4	Leonard Alexander Blechschmidt	1906	Kotlin	2021-12-06 17:50:16

#	User	Length	Language	Date
1	Michael Wang	504	OCaml	2020-05-25 07:27:25

#	User	Length	Language	Date
1	Victor Santos	2332	PHP	2024-04-08 21:09:13

#	User	Length	Language	Date
1	Caleb Bryant	260	Python 2	2015-10-08 08:15:03
2	Kuan Wei Heng	300	Python 2	2017-08-29 04:13:34
3	Andreas Björklund	302	Python 2	2021-02-08 16:21:16
4	Thomas Feld	353	Python 2	2020-06-24 10:35:05
5	Johan Lyts	396	Python 2	2020-09-30 14:18:21
6	Ragur Krishnan	397	Python 2	2018-09-22 06:52:44
7	Tore Norderud	398	Python 2	2015-11-11 03:19:52
8	Suchi Amalapurapu	452	Python 2	2020-03-30 11:01:58
9	Hidden user	464	Python 2	2017-05-09 17:11:03
10	Serghei Mihailov	465	Python 2	2018-10-19 02:29:58

#	User	Length	Language	Date
1	Clement Oh	140	Python 3	2023-08-20 06:23:16
2	George Zhang	154	Python 3	2024-10-03 09:32:50
3	Christopher Jernberg	191	Python 3	2023-01-05 14:18:31
4	Yong Mao	222	Python 3	2023-06-13 02:45:39
5	Lawry Sorenson	231	Python 3	2024-05-31 06:32:04
6	ALPHONSE DESIRE JUNIOR ENAMA	234	Python 3	2025-08-10 18:51:32
7	Peter Ton	238	Python 3	2024-10-02 03:21:30
8	Gaelan McMillan	250	Python 3	2024-10-03 17:15:22
9	Bryan Juniano	257	Python 3	2025-05-01 15:31:01
10	Manu Lam	263	Python 3	2018-03-23 08:01:35

#	User	Length	Language	Date
1	Thomas Feld	98	Ruby	2023-06-29 12:29:10
2	Clement Oh	191	Ruby	2024-03-03 08:49:47
3	Hidden user	517	Ruby	2019-12-16 18:19:29
4	Robert Haines	648	Ruby	2022-05-07 20:12:35

#	User	Length	Language	Date
1	Sebastián Solari	2310	Rust	2020-08-03 00:49:24
2	Jason Hooper	3734	Rust	2022-07-20 03:17:53
3	Daniel Anker Hermansen	26711	Rust	2024-02-03 20:24:16

Solution running time distribution