Problem A
Collatz Conjecture

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Problem statistics

Submissions	6973
Accepted submissions	1597
Submission ratio	22.90%
Authors	1421
Accepted authors	1156
Author ratio	81.35%

#	User	Runtime	Date
1	lobo	0.04 s	2016-05-28 16:39:30
2	Tomasz Masternak	0.04 s	2018-09-24 13:13:29
3	Abdellatif Elyoussefy	0.04 s	2020-02-12 10:27:36
4	Moo	0.05 s	2017-07-15 11:56:06
5	Frankie Chen	0.05 s	2019-08-26 18:15:40
6	Frankie Chen	0.05 s	2019-08-26 19:28:16
7	Þorsteinn Þorvaldsson	0.06 s	2017-06-07 18:57:35
8	Deci Bel	0.06 s	2024-05-03 13:06:36

#	User	Runtime	Date
1	Ilya Antipin	0.17 s	2017-01-20 15:01:04

#	User	Runtime	Date
1	Brent Yorgey	0.02 s	2017-10-03 13:07:08
2	Alberto Cerezo Cid	0.02 s	2018-10-26 18:45:56
3	César Antonio Carvajal de la Haza	0.02 s	2018-10-28 16:50:09
4	Patrik Lilja	0.03 s	2016-05-02 22:37:18
5	Hidden user	0.04 s	2022-02-13 06:04:38
6	Josenildo Silva	0.08 s	2017-02-18 13:32:26
7	Abel Martin	0.16 s	2018-10-29 19:50:10
8	Yamato Matsuoka	0.18 s	2016-06-04 05:20:37
9	Max Jackson	0.25 s	2016-05-02 08:01:24
10	Brian Hwang	0.27 s	2021-09-17 03:01:13

#	User	Runtime	Date
1	Liam Keliher	0.09 s	2016-10-25 22:26:40
2	Eyleifur Bjarkason	0.09 s	2018-12-04 21:11:43
3	Hidden user	0.14 s	2017-01-23 19:46:20
4	Hidden user	0.14 s	2018-08-04 20:53:24
5	Atul Sharma	0.15 s	2017-10-27 10:38:50
6	lobo	0.17 s	2016-05-28 16:14:48
7	Ross Sowell	0.17 s	2016-06-02 22:53:23
8	Subham Swastik Dora	0.17 s	2017-06-12 14:29:10
9	Kristoffer Åhgren	0.17 s	2017-06-13 14:11:49
10	Shehryar Assad	0.18 s	2017-08-20 08:51:18

#	User	Runtime	Date
1	Bjørn Chr. Soltvedt	0.10 s	2016-05-01 02:50:59
2	Nicklas Utgaard	0.11 s	2017-11-22 23:25:11
3	Christian Cederquist	0.30 s	2023-06-28 16:26:55

#	User	Runtime	Date
1	Timothy Gaede	0.68 s	2024-05-01 19:07:11
2	Danny Robinson	0.98 s	2023-10-06 09:52:14

#	User	Runtime	Date
1	Hidden user	0.22 s	2020-05-09 10:54:55
2	Hidden user	0.33 s	2021-05-04 11:53:49
3	Eloy Hernández	0.33 s	2021-10-08 18:33:08
4	Adam Koprowski	0.34 s	2021-07-15 11:42:25
5	Mark Mathis	0.59 s	2018-10-14 22:27:42

#	User	Runtime	Date
1	Joseph Chau	0.04 s	2024-02-03 00:19:50

#	User	Runtime	Date
1	Sigurður Jens Albertsson	0.05 s	2017-11-18 21:26:25
2	Peter Sofronas	0.06 s	2016-08-23 04:50:42
3	Jake Mayo	0.06 s	2016-11-21 01:11:21
4	Asad Mahdi	0.06 s	2016-12-02 23:29:45
5	Ekaterina	0.06 s	2017-01-22 23:33:23
6	Paul Leung	0.06 s	2017-10-27 15:54:52
7	Juliang Li	0.06 s	2018-03-02 23:11:55
8	Jesper Öqvist	0.06 s	2018-08-12 01:12:01
9	Thomas Feld	0.06 s	2020-06-23 14:31:59
10	Frederik Højholt	0.07 s	2016-07-05 21:51:56

#	User	Runtime	Date
1	Svyatoslav Ilinskiy	0.06 s	2016-11-19 23:00:26
2	Johny Vinaver	0.06 s	2016-11-21 04:36:58
3	Brian Bechtel	0.06 s	2016-11-21 04:48:17
4	Michael Volk	0.06 s	2016-12-02 22:47:55
5	Dennis Le	0.06 s	2016-12-03 02:53:43
6	Emil Wärnberg	0.07 s	2015-11-03 20:38:53
7	Julie Muzy	0.07 s	2016-11-29 22:38:46
8	Jón Steinn Elíasson	0.07 s	2017-04-13 16:54:02
9	Shehryar Assad	0.07 s	2017-08-20 05:40:17
10	Blaž Dobravec	0.07 s	2017-08-25 22:25:07

#	User	Runtime	Date
1	Florent Thomas-Morel	0.08 s	2016-11-24 15:04:29
2	Thomas Feld	0.10 s	2023-10-16 15:08:07
3	Kieran Maharaj	0.14 s	2020-07-02 14:07:34
4	Hidden user	0.36 s	2021-03-12 07:17:20

#	User	Runtime	Date
1	David Rasch	0.01 s	2020-07-30 17:01:22
2	Alex Loiko	0.01 s	2021-07-08 17:38:23
3	Chen Weikang	0.02 s	2019-01-06 23:08:33
4	Chaoyi Yin	0.02 s	2019-01-06 23:13:38
5	Bas Dirks	0.02 s	2022-02-04 21:26:36
6	Isak Jägberg	0.03 s	2021-01-07 10:39:55
7	Marcus Dicander	0.03 s	2021-07-08 17:55:25

#	User	Length	Date
1	Hidden user	558	2017-07-17 18:33:20
2	Raymond Yang	596	2020-01-03 23:44:58
3	Hidden user	766	2023-11-23 09:05:17
4	Ivan Petrov	835	2019-09-02 14:13:17
5	Yassir Mahmoud El Massaoudi	882	2016-10-12 17:21:47
6	Đào Thanh Duy	985	2016-04-03 08:07:30
7	Pavel Shibaev	985	2016-05-09 13:10:32
8	Ravi Sharma	987	2016-07-10 16:33:44
9	Thibault Raffaillac	1059	2018-11-29 12:37:46
10	Yen Hung Liu	1336	2016-10-14 17:44:13

#	User	Length	Date
1	Tomasz Masternak	1280	2018-09-24 13:13:29
2	Þorsteinn Þorvaldsson	1431	2017-06-07 18:57:35
3	Abdellatif Elyoussefy	1682	2020-02-12 10:27:36
4	lobo	2397	2016-05-28 16:39:30
5	Frankie Chen	2456	2019-08-26 19:28:16
6	Frankie Chen	2488	2019-08-26 18:15:40
7	Deci Bel	2493	2024-05-03 13:06:36
8	Moo	3530	2017-07-15 11:56:06

#	User	Length	Date
1	永田まさき	537	2019-03-01 11:16:03
2	Modan Han	551	2017-05-13 21:07:39
3	손상준	556	2015-11-17 07:48:01
4	Grae Yeandle	556	2021-01-30 13:24:59
5	Utkarsh Agrawal	580	2019-02-24 12:45:11
6	Garðar Ingvarsson	581	2019-04-09 21:41:56
7	Kieran Horgan	582	2017-08-27 20:24:02
8	Austin Fernandez	586	2019-08-27 22:50:06
9	Syx Pek	587	2016-02-03 20:00:28
10	Emmanuel Anaya	600	2019-05-13 05:20:57

#	User	Length	Date
1	Ilya Antipin	789	2017-01-20 15:02:55

#	User	Length	Date
1	César Antonio Carvajal de la Haza	733	2017-04-30 15:51:28
2	Patrik Lilja	748	2016-05-02 22:37:18
3	Brian Hwang	790	2021-09-17 03:01:13
4	Josenildo Silva	861	2017-02-18 13:32:26
5	Alberto Cerezo Cid	874	2018-10-26 18:45:56
6	Brent Yorgey	879	2017-10-03 13:07:08
7	Max Jackson	909	2016-05-02 08:01:24
8	Abel Martin	1452	2018-10-29 19:50:10
9	Yamato Matsuoka	1455	2016-06-04 05:20:37
10	Hidden user	4115	2022-02-13 06:14:25

#	User	Length	Date
1	Sikandar Bakht	847	2020-04-07 16:20:10
2	Love Almgren	882	2017-01-23 15:01:28
3	Jordan Lamkin	917	2017-01-28 01:11:31
4	Yousef Absi	930	2020-07-06 03:34:56
5	Chance Page	934	2017-04-10 01:38:03
6	Nathan Gossett	934	2018-08-09 21:22:34
7	Doug Goodman	980	2016-09-04 17:33:17
8	Jiru Xu	980	2017-10-05 00:49:45
9	Matej Papik	1026	2016-10-03 17:15:25
10	Crystal Sharpe	1053	2020-02-07 14:56:47

#	User	Length	Date
1	Bjørn Chr. Soltvedt	657	2016-05-01 02:50:59
2	Nicklas Utgaard	879	2017-11-22 23:25:11
3	Christian Cederquist	916	2023-06-28 16:26:55

#	User	Length	Date
1	Danny Robinson	243	2023-10-06 09:52:14
2	Timothy Gaede	1345	2024-05-01 19:07:11

#	User	Length	Date
1	Eloy Hernández	785	2021-10-08 18:33:08
2	Adam Koprowski	932	2021-07-15 11:42:25
3	Hidden user	959	2021-05-04 11:53:49
4	Mark Mathis	1029	2018-10-14 22:27:42
5	Hidden user	1558	2020-05-09 10:54:55

#	User	Length	Date
1	Joseph Chau	2748	2024-02-03 00:19:50

#	User	Length	Date
1	Thomas Feld	361	2020-06-23 14:31:59
2	Andreas Björklund	419	2020-03-08 09:42:24
3	Paul Leung	454	2017-10-27 15:54:52
4	Martin Wan	471	2018-01-25 05:48:10
5	Daniel Strizhevsky	572	2017-06-27 08:22:24
6	Grant Ballard	576	2019-04-16 22:15:51
7	Frederik Højholt	606	2016-07-05 21:51:56
8	Jesper Öqvist	637	2018-08-12 01:12:01
9	Alfredo Beaumont	641	2017-08-12 10:13:26
10	Jasper Lu	641	2017-06-27 02:56:15

#	User	Length	Date
1	Victor Zheng	366	2017-05-13 20:16:03
2	Lawry Sorenson	384	2024-01-26 03:51:51
3	Oskar Haarklou Veileborg	386	2020-04-07 11:14:55
4	Bjørn Dons	429	2018-10-14 19:38:09
5	Kelly Dance	431	2022-08-11 03:28:57
6	Nikita Sandstrom	440	2022-11-16 03:26:49
7	Teikn Smith	444	2024-01-26 05:12:00
8	Troels Bjerre Lund	460	2019-06-11 22:16:38
9	Johny Vinaver	467	2016-11-21 03:37:33
10	Thomas Draper	469	2024-01-26 03:34:42

#	User	Length	Date
1	Thomas Feld	174	2023-10-16 15:34:30
2	Hidden user	690	2021-03-12 07:03:56
3	Kieran Maharaj	941	2020-07-02 14:07:34
4	Florent Thomas-Morel	1288	2016-11-24 15:04:29

#	User	Length	Date
1	Alex Loiko	1000	2021-07-08 17:38:23
2	David Rasch	1088	2020-07-30 17:01:22
3	Chen Weikang	1243	2019-01-06 23:08:33
4	Chaoyi Yin	1307	2019-01-06 23:13:38
5	Bas Dirks	1399	2022-02-04 21:26:36
6	Marcus Dicander	1925	2021-07-08 17:55:25
7	Isak Jägberg	3152	2021-01-07 10:39:55

Solution running time distribution