Problem D
Kaprekar Numbers — Problem Statistics

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Submissions	183
Accepted submissions	68
Submission ratio	37.16%
Authors	69
Full solves [?]	62
Full solve Ratio	89.86%

#	User	Runtime	Language	Date
1	Alexander Matheson	0.00 s	C	2026-03-05 01:59:39

#	User	Runtime	Language	Date
1	Deci Bel	0.04 s	C#	2025-11-22 22:21:10

#	User	Runtime	Language	Date
1	Alec Watson	0.00 s	C++	2018-04-06 20:26:46
2	Joshua Toye	0.00 s	C++	2018-04-06 21:06:23
3	Nick Wu	0.00 s	C++	2025-08-28 01:17:58
4	Mack Wong Yoong Yee	0.00 s	C++	2025-09-28 09:56:51
5	I Lucian	0.00 s	C++	2025-11-02 08:16:37
6	ravisantul	0.00 s	C++	2025-11-02 08:19:09
7	Rafail Loizou	0.00 s	C++	2025-11-18 09:54:52
8	Armen Andreasyan	0.00 s	C++	2026-01-07 09:56:26
9	Trần Cảnh Nam	0.00 s	C++	2026-02-13 08:33:13
10	Moria Enjoyer	0.00 s	C++	2026-03-05 01:42:15

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.01 s	Haskell	2025-09-05 20:37:00

#	User	Runtime	Language	Date
1	Val Ault	0.07 s	Java	2018-04-06 21:43:05
2	Andrew Carlson	0.07 s	Java	2018-04-07 01:37:28
3	Patrick Brown	0.08 s	Java	2018-04-06 20:32:47
4	Eric Huynh	0.08 s	Java	2018-04-06 20:49:22
5	Renae Fisher	0.08 s	Java	2018-04-06 21:04:33
6	Nathan Oakey	0.08 s	Java	2026-03-05 08:30:39
7	Innocent Nsabimana	0.15 s	Java	2019-03-14 00:14:28

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2025-09-01 15:50:20

#	User	Runtime	Language	Date
1	Timothy Gaede	0.37 s	Julia	2025-08-14 07:12:34

#	User	Runtime	Language	Date
1	Jose Pastrana	0.02 s	Python 3	2018-04-06 22:51:55
2	Atli Fannar Franklín	0.04 s	Python 3	2025-08-16 15:56:24
3	Brent Yorgey	0.04 s	Python 3	2025-08-28 05:33:25
4	Ahmed Chamseddine	0.04 s	Python 3	2025-09-07 23:58:06
5	Hidden user	0.04 s	Python 3	2025-09-08 17:09:55
6	Nicholas Russell Saerang	0.04 s	Python 3	2025-09-10 06:58:12
7	Ivan Marriott	0.04 s	Python 3	2025-09-21 21:38:30
8	David Aldenbro	0.04 s	Python 3	2025-10-26 14:58:12
9	Jason Clarke	0.04 s	Python 3	2025-10-28 17:37:51
10	Vu Minh Hieu	0.04 s	Python 3	2025-11-04 10:38:01

#	User	Runtime	Language	Date
1	Matzuka	0.06 s	Ruby	2025-11-04 08:31:55
2	Thomas Feld	0.06 s	Ruby	2025-11-13 09:19:39

#	User	Runtime	Language	Date
1	Isak Jägberg	0.00 s	Rust	2025-12-14 18:17:15
2	Jiaye Will Wang	0.00 s	Rust	2026-02-05 02:00:30
3	Frank Endriss	0.00 s	Rust	2026-02-17 16:43:17

#	User	Length	Language	Date
1	Alexander Matheson	1069	C	2026-03-05 01:59:39

#	User	Length	Language	Date
1	Deci Bel	1061	C#	2025-11-22 22:21:10

#	User	Length	Language	Date
1	Moria Enjoyer	427	C++	2026-03-05 01:42:15
2	Trần Cảnh Nam	637	C++	2026-02-13 08:33:13
3	Armen Andreasyan	652	C++	2026-01-07 09:56:26
4	ravisantul	698	C++	2025-11-02 08:19:09
5	I Lucian	777	C++	2025-11-02 08:16:37
6	Mack Wong Yoong Yee	781	C++	2025-09-28 09:57:57
7	Alec Watson	801	C++	2018-04-06 20:26:46
8	Joshua Toye	994	C++	2018-04-06 21:06:23
9	Nick Wu	3360	C++	2025-08-28 01:17:58
10	Rafail Loizou	18853	C++	2025-11-18 09:54:52

#	User	Length	Language	Date
1	Steinar Simonnes	624	Haskell	2025-09-05 20:37:00

#	User	Length	Language	Date
1	Innocent Nsabimana	589	Java	2019-03-14 00:14:28
2	Eric Huynh	800	Java	2018-04-06 20:49:22
3	Andrew Carlson	816	Java	2018-04-07 01:37:28
4	Nathan Oakey	1059	Java	2026-03-05 08:30:39
5	Patrick Brown	1169	Java	2018-04-06 20:32:47
6	Renae Fisher	1524	Java	2018-04-06 21:04:33
7	Val Ault	1576	Java	2018-04-06 21:43:05

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	396	JavaScript (SpiderMonkey)	2025-09-01 15:51:21

#	User	Length	Language	Date
1	Timothy Gaede	552	Julia	2025-08-14 07:12:34

#	User	Length	Language	Date
1	David Aldenbro	136	Python 3	2025-10-26 15:12:28
2	Nicholas Russell Saerang	151	Python 3	2025-09-10 06:58:12
3	Isaac Lee	157	Python 3	2026-03-05 01:20:59
4	Ahmed Chamseddine	163	Python 3	2025-09-07 23:58:06
5	Lex Janssens	194	Python 3	2025-11-16 22:24:24
6	Ernest Ng Zi Xuan	258	Python 3	2026-02-16 15:57:16
7	Yong Mao	260	Python 3	2025-11-27 18:46:06
8	Bjørn Dons	264	Python 3	2025-12-23 20:58:42
9	Petr	271	Python 3	2025-11-21 00:19:18
10	Magnus Eide-Fredriksen	291	Python 3	2025-12-14 23:07:36

#	User	Length	Language	Date
1	Thomas Feld	89	Ruby	2025-11-13 09:21:18
2	Matzuka	470	Ruby	2025-11-04 08:31:55

#	User	Length	Language	Date
1	Jiaye Will Wang	1176	Rust	2026-02-05 02:00:30
2	Isak Jägberg	1672	Rust	2025-12-14 18:17:15
3	Frank Endriss	2740	Rust	2026-02-17 16:43:17

Solution running time distribution