Problem A
Divisible Subsequences — Problem Statistics

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Submissions	3243
Accepted submissions	1445
Submission ratio	44.56%
Authors	1080
Full solves [?]	917
Full solve Ratio	84.91%

#	User	Runtime	Language	Date
1	Sabit Zahin	0.01 s	C	2015-10-20 19:20:34
2	Agis Daniels	0.01 s	C	2020-06-03 18:33:12
3	Albert Lai	0.02 s	C	2020-11-06 23:35:54
4	Lawry Sorenson	0.02 s	C	2022-11-10 22:48:23
5	Johan Sannemo	0.03 s	C	2012-03-07 23:03:56
6	Fernando José Iglesias García	0.03 s	C	2012-03-08 12:42:21
7	Thibault Raffaillac	0.03 s	C	2012-03-08 12:49:59
8	Dan Rubery	0.03 s	C	2015-04-18 20:33:55
9	Erik Landfors	0.03 s	C	2016-08-13 10:40:24
10	Josenildo Silva	0.03 s	C	2016-11-15 21:01:40

#	User	Runtime	Language	Date
1	Jakub Jarzabek	0.05 s	C#	2022-03-23 18:22:53
2	Jakub Jarząbek	0.05 s	C#	2022-03-23 18:27:23
3	Małgosia Jarosz	0.11 s	C#	2022-03-21 15:31:23
4	Danilo Peres	0.12 s	C#	2022-03-21 17:00:25
5	Grzegorz Jarosz	0.12 s	C#	2022-03-27 23:33:15
6	jskop	0.12 s	C#	2022-03-28 09:22:25
7	Kam Bed	0.12 s	C#	2022-04-02 22:34:53
8	Lars Bysheim	0.12 s	C#	2023-02-07 09:52:17
9	Mateo Morales Guzman	0.14 s	C#	2025-06-26 15:15:49

#	User	Runtime	Language	Date
1	Johan Sannemo	0.01 s	C++	2012-03-07 23:17:31
2	Ragnar Groot Koerkamp	0.01 s	C++	2015-11-02 18:47:43
3	Timon Knigge	0.01 s	C++	2015-11-02 18:59:47
4	Richard Freeman	0.01 s	C++	2016-02-14 05:01:53
5	Lâm Phước Huy	0.01 s	C++	2016-03-31 20:15:41
6	JieHao Liao	0.01 s	C++	2017-08-27 02:19:20
7	Antoni Guz	0.01 s	C++	2018-03-25 18:08:47
8	Agis Daniels	0.01 s	C++	2020-06-03 18:25:55
9	Hidden user	0.01 s	C++	2021-04-04 01:17:41
10	Stefan Constantin	0.01 s	C++	2021-04-13 22:39:01

#	User	Runtime	Language	Date
1	Norbert Voelker	0.11 s	Go	2022-02-16 16:29:55
2	jskop	2.47 s	Go	2022-03-28 23:31:40

#	User	Runtime	Language	Date
1	Morten Lohne	0.02 s	Haskell	2017-05-08 21:40:00
2	Jannik Olbrich	0.09 s	Haskell	2023-03-08 17:22:22
3	Brent Yorgey	0.33 s	Haskell	2018-09-07 05:27:57

#	User	Runtime	Language	Date
1	Hà Minh Ngọc	0.09 s	Java	2016-08-09 08:59:45
2	David Brink	0.09 s	Java	2017-04-24 19:13:20
3	Leo Pan	0.11 s	Java	2022-11-17 08:26:53
4	Vivan Gupta	0.11 s	Java	2024-02-27 20:07:59
5	Bjørn Dons	0.12 s	Java	2018-12-31 20:03:18
6	Jimmy Dinh	0.12 s	Java	2023-04-13 03:00:36
7	Crystal Sharpe	0.13 s	Java	2021-01-14 08:23:28
8	Pedro Sugiyama	0.14 s	Java	2025-04-11 05:31:22
9	José Vander Meulen	0.16 s	Java	2018-02-17 22:25:58
10	Jacob Zhang	0.18 s	Java	2022-10-26 18:08:48

#	User	Runtime	Language	Date
1	Sander Hellesø	0.15 s	JavaScript (Node.js)	2019-04-19 00:16:19
2	Thiago Felipe Bastos da Silva	0.17 s	JavaScript (Node.js)	2023-09-22 01:01:12

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.10 s	JavaScript (SpiderMonkey)	2023-02-12 10:14:02
2	Christian Pilegaard Cederquist	0.10 s	JavaScript (SpiderMonkey)	2023-07-11 06:52:29

#	User	Runtime	Language	Date
1	Noszály Csaba	0.55 s	Julia	2025-09-04 06:29:15
2	Timothy Gaede	0.69 s	Julia	2024-06-06 09:26:16

#	User	Runtime	Language	Date
1	Hidden user	0.37 s	Kotlin	2020-02-16 17:56:00
2	Phường Lên	0.42 s	Kotlin	2020-02-19 04:42:06
3	Cheatahh	0.58 s	Kotlin	2025-04-21 16:42:08
4	Adam Rankin	0.61 s	Kotlin	2023-10-24 19:20:34
5	Adam Koprowski	0.70 s	Kotlin	2021-06-27 23:38:30

#	User	Runtime	Language	Date
1	Sebastian Banert	0.15 s	OCaml	2024-08-05 19:29:02

#	User	Runtime	Language	Date
1	Fernando José Iglesias García	0.06 s	Python 2	2012-03-09 20:46:45
2	Marcus Johansson	0.06 s	Python 2	2016-08-20 20:10:17
3	Hermon Mulat	0.06 s	Python 2	2017-01-12 15:01:59
4	Øyvind Haarberg	0.06 s	Python 2	2017-05-07 16:57:28
5	Andreas Björklund	0.06 s	Python 2	2020-10-14 18:37:31
6	Mark Kaius Helenurm	0.07 s	Python 2	2018-09-06 06:57:18
7	Agis Daniels	0.07 s	Python 2	2020-06-03 18:15:39
8	Knut Anders Stokke	0.08 s	Python 2	2017-05-09 16:50:29
9	Michael Huang	0.08 s	Python 2	2018-03-22 22:27:33
10	Herbert Ilhan Tanujaya	0.08 s	Python 2	2019-05-10 17:43:27

#	User	Runtime	Language	Date
1	Ammar Lakho	0.07 s	Python 3	2025-04-21 15:58:38
2	Mathilde Blom Bergenheim	0.08 s	Python 3	2023-02-02 17:28:00
3	Simon Andersen	0.08 s	Python 3	2023-02-07 17:16:27
4	Hidden user	0.08 s	Python 3	2023-04-19 09:45:56
5	Gurushant Gurushant	0.08 s	Python 3	2023-05-05 18:26:51
6	Benjamin Z White	0.08 s	Python 3	2023-05-30 21:38:12
7	Mariajulia Romina Romani Tafur	0.08 s	Python 3	2024-10-14 01:32:08
8	Eng Cheng Xin	0.08 s	Python 3	2024-10-24 05:19:43
9	Jonathan Bowers	0.08 s	Python 3	2024-11-01 17:51:51
10	Rafael Kristoforus Yanto	0.08 s	Python 3	2025-02-25 15:43:07

#	User	Runtime	Language	Date
1	John Rabaey	0.13 s	Ruby	2020-04-17 06:39:26
2	Thomas Feld	0.13 s	Ruby	2023-08-02 15:56:05
3	Clement Oh	0.14 s	Ruby	2024-03-01 08:46:15

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-05-29 00:45:40
2	Leslie Yip	0.01 s	Rust	2022-11-19 05:36:13
3	Otakar Hirs	0.01 s	Rust	2023-02-10 19:06:55
4	Artur Khuziakhmetov	0.01 s	Rust	2025-01-26 15:55:15
5	jskop	0.02 s	Rust	2022-03-29 14:04:26
6	Rolf Martin Glomsrud	0.02 s	Rust	2023-02-02 11:07:50
7	Daniel Liland	0.02 s	Rust	2023-02-02 11:17:44
8	Daan van Kessel	0.02 s	Rust	2024-02-12 08:44:40
9	Egor Kulikov	0.02 s	Rust	2025-10-14 15:04:05
10	Test_Test	0.03 s	Rust	2023-02-01 14:40:33

#	User	Length	Language	Date
1	Lawry Sorenson	184	C	2022-11-10 22:56:02
2	Johan Sannemo	381	C	2012-03-07 23:03:56
3	Dan Rubery	461	C	2015-04-18 20:33:55
4	test	491	C	2025-02-28 07:56:32
5	Fernando José Iglesias García	496	C	2012-03-08 12:42:21
6	Jason Cannon	525	C	2017-07-20 23:52:49
7	Hidden user	549	C	2025-02-19 11:24:56
8	Josenildo Silva	551	C	2016-11-15 21:01:40
9	Hidden user	565	C	2016-12-19 01:11:00
10	Erik Landfors	598	C	2016-08-13 10:40:24

#	User	Length	Language	Date
1	Kam Bed	944	C#	2022-04-02 22:34:53
2	Lars Bysheim	1055	C#	2023-02-07 09:52:17
3	Danilo Peres	1155	C#	2022-03-21 17:00:25
4	jskop	1174	C#	2022-03-28 09:22:25
5	Mateo Morales Guzman	1228	C#	2025-06-26 15:15:49
6	Małgosia Jarosz	6427	C#	2022-03-21 15:31:23
7	Jakub Jarzabek	6473	C#	2022-03-23 18:22:53
8	Jakub Jarząbek	6473	C#	2022-03-23 18:27:23
9	Grzegorz Jarosz	7474	C#	2022-03-27 23:51:59

#	User	Length	Language	Date
1	Lawry Sorenson	177	C++	2022-11-10 22:35:26
2	Yu-Chen Chan	237	C++	2024-02-27 07:53:44
3	a_b__c	276	C++	2021-01-24 19:47:18
4	Herman Karlsson	292	C++	2016-12-25 23:47:56
5	Johan Wind	337	C++	2015-09-12 17:37:16
6	Hidden user	346	C++	2024-11-07 16:50:21
7	Jesús Pacheco Alonso	354	C++	2025-03-22 23:14:37
8	Aryaz Eghbali	357	C++	2015-04-18 19:07:37
9	Anatole HAGBE	363	C++	2023-08-19 15:44:13
10	Clement Oh	378	C++	2023-10-31 13:42:27

#	User	Length	Language	Date
1	jskop	696	Go	2022-03-28 23:31:02
2	Norbert Voelker	1044	Go	2022-02-16 16:29:55

#	User	Length	Language	Date
1	Jannik Olbrich	559	Haskell	2023-03-08 17:16:42
2	Morten Lohne	1100	Haskell	2017-05-26 15:56:15
3	Brent Yorgey	1554	Haskell	2018-09-07 05:27:57

#	User	Length	Language	Date
1	Jose Daniel Berba	447	Java	2015-10-31 01:51:53
2	Zimu Qin	504	Java	2015-07-20 15:23:08
3	Doug Goodman	553	Java	2017-07-27 18:08:22
4	Melanie Kirsche	597	Java	2015-04-18 19:12:43
5	Vinh Phạm	597	Java	2017-11-11 02:34:53
6	Frank Ruskey	632	Java	2024-02-04 19:54:23
7	Eric Schneider	635	Java	2015-05-19 17:02:11
8	Kurtis Van Gent	657	Java	2016-02-20 21:48:52
9	Haoyue Zhu	667	Java	2014-10-22 16:42:28
10	Andrew Kolos	718	Java	2015-04-18 21:31:26

#	User	Length	Language	Date
1	Thiago Felipe Bastos da Silva	671	JavaScript (Node.js)	2023-09-22 01:01:12
2	Sander Hellesø	1137	JavaScript (Node.js)	2019-04-19 00:16:19

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	449	JavaScript (SpiderMonkey)	2023-02-12 10:14:02
2	Christian Pilegaard Cederquist	569	JavaScript (SpiderMonkey)	2023-07-11 06:49:44

#	User	Length	Language	Date
1	Noszály Csaba	136	Julia	2025-09-04 06:47:35
2	Timothy Gaede	889	Julia	2024-06-06 09:26:16

#	User	Length	Language	Date
1	Cheatahh	473	Kotlin	2025-04-21 16:42:08
2	Adam Koprowski	541	Kotlin	2021-06-27 23:38:30
3	Adam Rankin	803	Kotlin	2023-10-24 19:20:34
4	Phường Lên	861	Kotlin	2020-02-19 04:42:06
5	Hidden user	1235	Kotlin	2020-02-16 17:56:00

#	User	Length	Language	Date
1	Sebastian Banert	657	OCaml	2024-08-05 19:29:02

#	User	Length	Language	Date
1	Andreas Björklund	279	Python 2	2020-10-14 18:37:31
2	Marcus Johansson	296	Python 2	2016-08-20 20:10:17
3	Fernando José Iglesias García	324	Python 2	2012-03-09 20:46:45
4	Herbert Ilhan Tanujaya	360	Python 2	2019-05-10 17:43:27
5	Johan Lyts	399	Python 2	2020-10-15 21:22:00
6	Michael Huang	467	Python 2	2018-03-22 22:27:33
7	Angkul Kongmunvattana	491	Python 2	2019-11-02 17:33:22
8	grcd	528	Python 2	2019-07-18 23:12:35
9	Knut Anders Stokke	555	Python 2	2017-05-09 16:50:29
10	Agis Daniels	571	Python 2	2020-06-03 18:15:39

#	User	Length	Language	Date
1	Benjamin Z White	137	Python 3	2023-05-30 21:45:13
2	Simon Andersen	155	Python 3	2023-02-10 12:19:40
3	Farzam Abrishami	159	Python 3	2025-05-01 00:10:34
4	Steinar Simonnes	166	Python 3	2023-05-22 20:35:59
5	Ahmed Chamseddine	178	Python 3	2025-02-06 22:50:08
6	Michael Goldwasser	185	Python 3	2024-05-20 23:48:25
7	Josh Taylor	194	Python 3	2022-11-07 22:31:48
8	Thomas Draper	195	Python 3	2022-11-12 00:20:49
9	Oskar Haarklou Veileborg	198	Python 3	2020-05-22 09:38:39
10	Yong Mao	235	Python 3	2023-05-05 00:31:37

#	User	Length	Language	Date
1	Thomas Feld	71	Ruby	2023-08-02 16:00:44
2	Clement Oh	222	Ruby	2024-03-01 08:46:15
3	John Rabaey	368	Ruby	2020-04-17 06:39:26

#	User	Length	Language	Date
1	Artur Khuziakhmetov	555	Rust	2025-01-26 15:55:15
2	jskop	784	Rust	2022-03-29 14:13:04
3	Rolf Martin Glomsrud	1015	Rust	2023-02-03 21:44:17
4	Daniel Liland	1119	Rust	2023-02-02 11:17:44
5	Otakar Hirs	1161	Rust	2023-02-10 19:06:55
6	Daan van Kessel	1302	Rust	2024-02-12 08:44:40
7	Leslie Yip	1542	Rust	2022-11-19 05:36:13
8	Test_Test	1741	Rust	2023-02-01 14:40:33
9	Vincent Lagerros	7738	Rust	2024-06-14 21:33:33
10	Egor Kulikov	27722	Rust	2025-10-14 15:04:05

Solution running time distribution