Problem A
Number Trick — Problem Statistics

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Submissions	2843
Accepted submissions	484
Submission ratio	17.02%
Authors	563
Full solves [?]	347
Full solve Ratio	61.63%

#	User	Runtime	Language	Date
1	Jeroen Bransen	0.00 s	C	2013-10-09 19:49:14
2	Wael Al Saeed	0.00 s	C	2014-10-02 03:37:15
3	Hidden user	0.00 s	C	2017-07-04 18:23:58
4	Bergur Snorrason	0.00 s	C	2019-04-05 23:41:57
5	Ivan Petrov	0.00 s	C	2019-07-09 10:01:50
6	Nick Hargrove	0.00 s	C	2022-05-28 22:52:08
7	Garway Mei	0.00 s	C	2022-05-28 23:19:43
8	Aras Janusonis	0.00 s	C	2024-10-27 20:27:51
9	Jacob Wejendorp	0.01 s	C	2014-08-23 19:12:51
10	Finn Coffey	0.40 s	C	2023-08-12 05:27:39

#	User	Runtime	Language	Date
1	Bas te Kolste	0.02 s	C#	2013-10-05 21:26:55
2	Hidden user	0.02 s	C#	2014-10-03 14:22:36
3	Brian Scott	0.02 s	C#	2018-09-26 16:55:52
4	Piotr Karpala	0.08 s	C#	2015-09-11 12:21:29

#	User	Runtime	Language	Date
1	William Fiset	0.09 s	Go	2016-07-31 06:19:32

#	User	Runtime	Language	Date
1	Maria Ruiz	0.00 s	Haskell	2017-03-08 22:40:47
2	Abel Martin	0.00 s	Haskell	2017-03-09 12:15:24
3	Ryan Yates	0.01 s	Haskell	2019-05-09 23:29:26

#	User	Runtime	Language	Date
1	Sagnik Biswas	0.04 s	Java	2024-09-08 12:16:16
2	Jens Ståhl	0.05 s	Java	2013-10-06 09:29:03
3	Martin Vonheim Larsen	0.05 s	Java	2013-10-06 16:33:34
4	Magnar Myrtveit	0.05 s	Java	2015-05-02 12:37:38
5	Michael Sullivan	0.05 s	Java	2015-09-29 02:44:47
6	Nguyễn Mạnh Phúc	0.05 s	Java	2015-10-21 08:08:18
7	Erik Baalhuis	0.05 s	Java	2016-08-15 04:13:23
8	David Brink	0.05 s	Java	2016-09-03 07:20:52
9	Martin Jakobsson	0.05 s	Java	2018-05-07 17:06:35
10	Igor Koval	0.06 s	Java	2013-10-15 22:26:54

#	User	Runtime	Language	Date
1	Hà Minh Ngọc	0.01 s	JavaScript (SpiderMonkey)	2015-09-04 01:15:39

#	User	Runtime	Language	Date
1	Nicholas Johnson	0.61 s	Kotlin	2022-05-27 18:50:00

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Python 2	2013-10-06 21:21:44
2	Maj Stenmark	0.02 s	Python 2	2018-05-07 11:51:58
3	Aleksander Burkow	0.03 s	Python 2	2013-10-22 01:57:18
4	Godmar Back	0.03 s	Python 2	2015-10-18 23:53:04
5	YiHong Luo	0.03 s	Python 2	2017-04-01 18:56:02
6	Hidden user	0.03 s	Python 2	2018-05-07 11:50:23
7	Jesper Öqvist	0.03 s	Python 2	2018-06-09 02:24:26
8	Hermon Mulat	0.03 s	Python 2	2018-10-10 22:22:57
9	Erik Tjøswold	0.03 s	Python 2	2019-02-04 12:04:04
10	Paul Devlin	0.03 s	Python 2	2019-03-09 03:46:23

#	User	Runtime	Language	Date
1	Nils Gustafsson	0.02 s	Python 3	2014-09-30 18:33:34
2	Hidden user	0.02 s	Python 3	2014-10-02 13:13:59
3	Charles Zinn	0.02 s	Python 3	2015-10-18 22:45:46
4	Tammo Behrends	0.02 s	Python 3	2015-12-01 15:11:44
5	Alex Gu	0.02 s	Python 3	2016-07-27 20:28:17
6	Jonatan Nilsson	0.02 s	Python 3	2018-05-04 19:19:03
7	Vincent Tandya	0.02 s	Python 3	2019-01-20 18:52:01
8	Paul Devlin	0.02 s	Python 3	2019-03-09 04:02:21
9	Henrik Grønbech	0.02 s	Python 3	2019-05-09 21:48:31
10	Erik Leffler	0.02 s	Python 3	2019-11-02 15:16:50

#	User	Runtime	Language	Date
1	Pahlevi Fikri Auliya	0.00 s	Rust	2021-03-12 05:02:33

#	User	Length	Language	Date
1	Finn Coffey	485	C	2023-08-12 05:27:39
2	Hidden user	680	C	2017-07-04 18:23:58
3	Nick Hargrove	924	C	2022-05-28 22:52:08
4	Garway Mei	959	C	2022-05-28 23:19:43
5	Wael Al Saeed	970	C	2014-10-02 03:37:15
6	Jeroen Bransen	975	C	2013-10-09 19:49:14
7	Ivan Petrov	1581	C	2019-07-09 10:01:50
8	Bergur Snorrason	2335	C	2019-04-05 23:41:57
9	Aras Janusonis	3505	C	2024-10-27 20:27:51
10	Jacob Wejendorp	6763	C	2014-08-23 19:12:51

#	User	Length	Language	Date
1	Brian Scott	1110	C#	2018-09-26 16:55:52
2	Hidden user	1389	C#	2014-10-03 14:22:36
3	Bas te Kolste	1870	C#	2013-10-05 21:26:55
4	Piotr Karpala	10020	C#	2015-09-11 12:21:29

#	User	Length	Language	Date
1	Mikko Sysikaski	413	C++	2013-10-05 13:58:04
2	Anders Roy Christiansen	429	C++	2013-10-05 17:00:44
3	Yui Vågsäter	476	C++	2024-08-07 14:49:04
4	Linh Vu	485	C++	2023-08-12 05:33:15
5	Jeremy Lim	487	C++	2024-08-03 19:15:39
6	David Nilsson	520	C++	2014-09-30 19:34:26
7	Zane Yu	531	C++	2019-02-06 03:57:34
8	Ragur Krishnan	539	C++	2018-08-28 03:28:18
9	Денис Соболев	551	C++	2017-08-19 10:23:27
10	Alim Imanmalik	556	C++	2022-05-27 17:54:21

#	User	Length	Language	Date
1	William Fiset	502	Go	2016-07-31 06:19:32

#	User	Length	Language	Date
1	Ryan Yates	1069	Haskell	2019-05-09 23:29:26
2	Abel Martin	1307	Haskell	2017-03-09 12:15:24
3	Maria Ruiz	1490	Haskell	2017-03-08 22:40:47

#	User	Length	Language	Date
1	George Pai	793	Java	2013-10-05 22:06:00
2	Leran Cai	799	Java	2013-10-09 16:44:36
3	Hà Minh Ngọc	820	Java	2015-09-04 01:02:02
4	David Nilsson	824	Java	2013-10-06 08:31:01
5	Andreas Oppebøen	879	Java	2013-10-06 16:59:59
6	Zimu Qin	910	Java	2014-10-01 21:56:29
7	Zimu Qin	912	Java	2014-11-19 14:17:15
8	Måns Magnusson	915	Java	2015-10-18 22:58:25
9	Yang Shi	1014	Java	2014-10-29 16:02:46
10	Magnar Myrtveit	1025	Java	2015-05-02 12:37:38

#	User	Length	Language	Date
1	Hà Minh Ngọc	781	JavaScript (SpiderMonkey)	2015-09-04 01:15:39

#	User	Length	Language	Date
1	Nicholas Johnson	2050	Kotlin	2022-05-27 18:50:00

#	User	Length	Language	Date
1	Aleksander Burkow	351	Python 2	2013-10-22 01:57:18
2	Hermon Mulat	405	Python 2	2018-10-10 22:22:57
3	Jesper Öqvist	447	Python 2	2018-06-09 02:24:26
4	Godmar Back	612	Python 2	2015-10-18 23:53:04
5	Teodor Bucht	615	Python 2	2019-07-30 14:36:15
6	Hidden user	740	Python 2	2018-05-07 11:50:23
7	Maj Stenmark	740	Python 2	2018-05-07 11:51:58
8	Paul Devlin	997	Python 2	2019-03-09 04:00:06
9	Erik Tjøswold	1153	Python 2	2019-02-04 12:04:04
10	YiHong Luo	1196	Python 2	2017-04-01 18:56:02

#	User	Length	Language	Date
1	Yong Mao	228	Python 3	2023-07-17 11:44:59
2	Noah Hessen Bjerke	310	Python 3	2024-09-27 14:16:12
3	Charlie Zheng	395	Python 3	2022-05-27 22:35:03
4	Andreas Björklund	416	Python 3	2024-04-27 15:25:17
5	Harry Zhang	426	Python 3	2024-06-03 12:07:14
6	Maxime Gloesener	428	Python 3	2021-04-02 22:17:25
7	Artur Khuziakhmetov	431	Python 3	2022-07-19 14:56:57
8	Alex Van Keulen	434	Python 3	2019-06-20 23:49:45
9	Hrant Hovhannisyan	434	Python 3	2025-07-10 11:35:59
10	Erik Leffler	446	Python 3	2019-11-02 15:16:50

#	User	Length	Language	Date
1	Pahlevi Fikri Auliya	16315	Rust	2021-03-12 05:02:33

Solution running time distribution