Problem A
Choosing Numbers — Problem Statistics

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Submissions	913
Accepted submissions	218
Submission ratio	23.88%
Authors	202
Full solves [?]	136
Full solve Ratio	67.33%

#	User	Runtime	Language	Date
1	Garðar Ingvarsson	0.02 s	C	2019-03-24 00:48:28
2	Ivan Petrov	0.02 s	C	2020-01-24 08:58:09
3	Hidden user	1.94 s	C	2017-08-12 16:29:28

#	User	Runtime	Language	Date
1	Dennis Johansson	0.02 s	C++	2013-10-10 23:34:22
2	Bo Zhang	0.02 s	C++	2013-11-03 08:40:25
3	Patrik Lilja	0.02 s	C++	2015-04-15 22:18:22
4	Yosvany Leyva	0.02 s	C++	2015-06-22 21:02:18
5	Johan Sannemo	0.02 s	C++	2015-10-25 00:27:29
6	Jd Dantes	0.02 s	C++	2016-10-01 19:07:32
7	Lim Li	0.02 s	C++	2017-01-23 10:20:21
8	Ludo Pulles	0.02 s	C++	2017-11-06 00:29:29
9	Viraj Maddur	0.02 s	C++	2017-12-20 21:34:47
10	Dongxiao Yu	0.02 s	C++	2018-03-26 00:37:06

#	User	Runtime	Language	Date
1	Juan Miguel Vilar	0.18 s	Haskell	2024-05-17 11:29:52
2	Intrets	0.19 s	Haskell	2018-10-13 00:46:59

#	User	Runtime	Language	Date
1	Bjørn Dons	0.14 s	Java	2018-10-13 01:14:21
2	Marco Vincenzo Karaan	0.18 s	Java	2016-10-01 09:11:37
3	Zach Glick	0.19 s	Java	2017-09-08 05:00:02
4	Nick Wu	0.20 s	Java	2015-10-06 11:57:34
5	Finn Lidbetter	0.21 s	Java	2016-09-09 16:05:25
6	Hidden user	0.24 s	Java	2015-11-18 05:13:18
7	Micah Stairs	0.24 s	Java	2016-09-09 16:27:08
8	Kevin Lim Yong Shen	0.24 s	Java	2022-03-28 09:45:56
9	Nguyễn Mạnh Phúc	0.31 s	Java	2018-07-12 08:26:46
10	Hidden user	0.36 s	Java	2016-10-25 21:18:53

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.40 s	JavaScript (Node.js)	2018-06-13 07:12:27

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.29 s	JavaScript (SpiderMonkey)	2016-02-11 03:34:25
2	Christian Pilegaard Cederquist	0.86 s	JavaScript (SpiderMonkey)	2024-09-29 07:37:43

#	User	Runtime	Language	Date
1	Jacob Huebner	0.40 s	Kotlin	2021-10-25 08:20:10
2	Mark Mathis	0.49 s	Kotlin	2018-10-13 01:30:15
3	Adam Rankin	0.53 s	Kotlin	2023-10-10 20:41:02
4	Ryan Lu	1.91 s	Kotlin	2021-10-31 04:05:41

#	User	Runtime	Language	Date
1	Måns Magnusson	0.08 s	Python 2	2019-06-19 09:51:22
2	Isaac Lee	0.10 s	Python 2	2016-12-17 23:00:34

#	User	Runtime	Language	Date
1	Atli Fannar Franklín	0.07 s	Python 3	2018-10-16 22:42:03
2	Ole Vik Lysne	0.08 s	Python 3	2024-11-11 20:31:52
3	Hrant Hovhannisyan	0.08 s	Python 3	2025-12-12 05:50:27
4	Nicholas Russell Saerang	0.09 s	Python 3	2023-10-09 19:31:56
5	Andreas Björklund	0.10 s	Python 3	2023-07-07 12:28:59
6	gnaneswari lolugu	0.10 s	Python 3	2024-05-03 01:08:58
7	Rachel Ercin	0.10 s	Python 3	2025-05-08 23:44:45
8	David Llorens	0.10 s	Python 3	2026-03-07 17:42:04
9	Isaac Lee	0.12 s	Python 3	2016-12-17 22:58:41
10	Caleb Dastrup	0.12 s	Python 3	2024-10-02 20:40:22

#	User	Runtime	Language	Date
1	Thomas Feld	0.10 s	Ruby	2023-11-01 13:09:02
2	David Llorens	0.11 s	Ruby	2026-03-07 17:58:30

#	User	Runtime	Language	Date
1	Lasse Møldrup	0.07 s	Rust	2021-09-16 15:43:44

#	User	Length	Language	Date
1	Ivan Petrov	865	C	2020-01-24 08:58:09
2	Garðar Ingvarsson	1035	C	2019-03-24 00:48:28
3	Hidden user	1844	C	2017-08-12 16:29:28

#	User	Length	Language	Date
1	Zac Friggstad	401	C++	2024-09-20 23:56:32
2	Hidden user	401	C++	2025-04-15 14:31:42
3	Hy Dayoub	411	C++	2015-02-14 16:52:30
4	Yosvany Leyva	465	C++	2015-06-22 21:02:18
5	Varad Kulkarni	468	C++	2016-10-28 21:37:05
6	Johan Wind	534	C++	2018-04-09 13:34:48
7	Jeremy Lim	554	C++	2026-02-10 14:50:50
8	Rene Josiah M. Quinto	565	C++	2016-10-01 07:24:17
9	Brandon Zhang	576	C++	2023-11-24 06:27:11
10	Syx Pek	623	C++	2016-01-25 16:31:18

#	User	Length	Language	Date
1	Intrets	579	Haskell	2018-10-13 00:46:59
2	Juan Miguel Vilar	601	Haskell	2024-05-12 19:40:06

#	User	Length	Language	Date
1	Doug Goodman	683	Java	2018-07-10 18:25:50
2	Thomas King	779	Java	2019-09-14 01:34:35
3	Seyoon Ragavan	942	Java	2018-11-16 16:50:33
4	Arvin Ding	1024	Java	2021-11-01 02:59:54
5	Jake Crouch	1089	Java	2018-04-20 22:39:58
6	Micah Stairs	1109	Java	2016-09-09 16:27:08
7	Arup Ratan Guha	1189	Java	2018-01-26 12:46:29
8	Finn Lidbetter	1231	Java	2016-09-09 16:05:25
9	Zach Glick	1343	Java	2017-09-08 05:00:02
10	Nick Wu	1396	Java	2015-10-06 11:57:34

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	60363	JavaScript (Node.js)	2018-06-13 07:12:27

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	171	JavaScript (SpiderMonkey)	2024-09-29 08:07:44
2	Bjørn Chr. Soltvedt	60427	JavaScript (SpiderMonkey)	2016-02-11 03:34:25

#	User	Length	Language	Date
1	Mark Mathis	788	Kotlin	2018-10-13 01:30:15
2	Adam Rankin	910	Kotlin	2023-10-10 20:41:02
3	Jacob Huebner	1187	Kotlin	2021-10-25 08:20:10
4	Ryan Lu	2733	Kotlin	2021-10-31 04:05:41

#	User	Length	Language	Date
1	Måns Magnusson	605	Python 2	2019-06-19 09:51:22
2	Isaac Lee	863	Python 2	2016-12-17 23:00:34

#	User	Length	Language	Date
1	David Llorens	137	Python 3	2026-03-07 17:42:04
2	Atli Fannar Franklín	291	Python 3	2018-10-16 22:42:03
3	Caleb Dastrup	313	Python 3	2024-10-02 20:40:22
4	Nicholas Russell Saerang	321	Python 3	2023-10-09 19:31:56
5	gnaneswari lolugu	321	Python 3	2024-05-03 01:08:58
6	Andreas Björklund	349	Python 3	2023-07-07 12:28:59
7	Ole Vik Lysne	384	Python 3	2024-11-11 20:35:44
8	Bergur Snorrason	400	Python 3	2021-03-23 09:44:08
9	Hrant Hovhannisyan	409	Python 3	2025-12-12 05:50:27
10	Gary Song	410	Python 3	2021-11-01 02:03:08

#	User	Length	Language	Date
1	David Llorens	83	Ruby	2026-03-07 18:06:32
2	Thomas Feld	87	Ruby	2023-11-01 13:12:21

#	User	Length	Language	Date
1	Lasse Møldrup	880	Rust	2021-09-16 15:43:44

Solution running time distribution