Problem A
Succession — Problem Statistics

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Submissions	3907
Accepted submissions	902
Submission ratio	23.09%
Authors	752
Accepted authors	619
Author ratio	82.31%

#	User	Runtime	Language	Date
1	Andreas Björklund	0.00 s	C	2018-12-01 18:13:54
2	Ivan Petrov	0.00 s	C	2019-09-01 10:25:25
3	Sambit Palit	0.00 s	C	2020-11-20 01:54:12
4	Sanjiv Dinakar	0.00 s	C	2022-06-28 21:25:22
5	Oskar Larsson	0.00 s	C	2022-11-03 21:00:05
6	Simon Renhult	0.00 s	C	2024-02-13 21:18:59
7	Tobias Rastemo	0.00 s	C	2020-09-17 13:27:14
8	Arvid Persson	0.00 s	C	2020-12-07 19:44:30
9	Hidden user	0.00 s	C	2023-07-04 23:27:12
10	Arvid Bengtsson	0.00 s	C	2025-04-27 22:38:24

#	User	Runtime	Language	Date
1	Allan Agerholm Dahl	0.02 s	C#	2017-10-01 15:22:46
2	Andrzej Krajniak	0.02 s	C#	2018-11-28 18:32:28
3	Marek	0.02 s	C#	2018-11-28 19:06:47
4	Bachir Diop	0.02 s	C#	2018-12-12 18:41:39
5	Hidden user	0.02 s	C#	2019-06-10 14:05:41
6	ron-shi	0.02 s	C#	2019-06-10 17:12:16
7	Mehdi Adelzadeh	0.02 s	C#	2019-10-06 03:26:31
8	osama	0.02 s	C#	2020-06-25 00:55:03
9	Markuss Sprogis	0.02 s	C#	2020-06-29 17:00:42
10	Martin Lundgren	0.02 s	C#	2020-11-28 14:40:35

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-10-29 22:31:36

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Haskell	2024-01-05 21:17:36
2	Steinar Simonnes	0.00 s	Haskell	2025-01-17 13:43:40
3	Brent Yorgey	0.01 s	Haskell	2018-08-30 13:11:21

#	User	Runtime	Language	Date
1	Elias Backström Thiel	0.04 s	Java	2024-11-08 10:23:09
2	Olav Røthe Bakken	0.05 s	Java	2017-10-01 12:43:04
3	Liam Keliher	0.05 s	Java	2017-12-08 06:50:07
4	Fredrik Lygre Bergesen	0.06 s	Java	2017-10-01 12:31:59
5	Bjørn Dons	0.06 s	Java	2018-12-04 17:45:04
6	Steven Cheng	0.06 s	Java	2020-05-05 08:20:06
7	Jonas Katman	0.06 s	Java	2022-11-20 13:55:20
8	Rene Argento	0.06 s	Java	2023-05-01 00:47:26
9	Danniel Alcantara	0.06 s	Java	2023-07-04 03:34:22
10	Taras Romanyuk	0.06 s	Java	2024-06-15 00:38:22

#	User	Runtime	Language	Date
1	John Brynte Turesson	0.05 s	JavaScript (Node.js)	2019-06-19 16:51:13
2	Aaron	0.09 s	JavaScript (Node.js)	2022-11-18 02:02:15
3	ErkMan	0.09 s	JavaScript (Node.js)	2022-11-19 23:10:24
4	Hidden user	0.09 s	JavaScript (Node.js)	2023-05-03 22:29:19
5	Brendan Sahli	0.09 s	JavaScript (Node.js)	2023-05-17 03:02:38
6	Shaghayegh Khangaldy	0.09 s	JavaScript (Node.js)	2021-12-24 15:23:05
7	Peter Kedemo	0.42 s	JavaScript (Node.js)	2019-12-30 21:55:52
8	Martin Lundgren	0.42 s	JavaScript (Node.js)	2020-11-28 14:07:05
9	Amin Sani	0.42 s	JavaScript (Node.js)	2021-10-07 17:51:33
10	NILALOHITA PANIGRAHI	0.42 s	JavaScript (Node.js)	2021-03-22 21:40:11

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2017-11-19 22:58:22
2	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-06-05 06:58:48

#	User	Runtime	Language	Date
1	Hidden user	0.12 s	Kotlin	2020-05-04 14:58:26
2	Kasper Ingelvide	0.14 s	Kotlin	2020-11-12 08:19:08
3	Phường Lên	0.16 s	Kotlin	2020-02-25 02:47:59
4	Adam Rankin	0.23 s	Kotlin	2023-09-27 02:50:05

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2024-09-19 00:23:33

#	User	Runtime	Language	Date
1	Øyvind Haarberg	0.03 s	Python 2	2017-10-02 17:40:25
2	Andrei Stoica	0.03 s	Python 2	2017-10-03 00:56:30
3	Michael Huang	0.03 s	Python 2	2018-03-22 22:40:52
4	Josenildo Silva	0.03 s	Python 2	2018-06-22 17:38:30
5	Maj Stenmark	0.03 s	Python 2	2018-08-18 13:00:16
6	Ethan Arnold	0.03 s	Python 2	2018-09-29 01:36:39
7	Felix Balthasar Berief	0.03 s	Python 2	2018-10-04 22:57:55
8	Oskar Haarklou Veileborg	0.03 s	Python 2	2018-11-11 19:41:01
9	Hidden user	0.03 s	Python 2	2018-12-10 22:20:05
10	Hermon Mulat	0.03 s	Python 2	2018-12-26 03:54:02

#	User	Runtime	Language	Date
1	Rickard Torén	0.02 s	Python 3	2017-10-01 11:24:04
2	Torstein Strømme	0.02 s	Python 3	2017-10-01 11:39:37
3	Hidden user	0.02 s	Python 3	2017-10-01 12:19:42
4	Mads Svejstrup	0.02 s	Python 3	2017-10-01 14:08:19
5	Hannes Kristján Hannesson	0.02 s	Python 3	2017-10-01 14:16:12
6	Kristmundur Agust	0.02 s	Python 3	2018-02-13 23:05:34
7	Jacky Dai	0.02 s	Python 3	2018-05-12 21:14:45
8	Alexander	0.02 s	Python 3	2018-06-09 08:07:43
9	Kevin Chen	0.02 s	Python 3	2018-09-29 01:24:29
10	Aditya Durvasula	0.02 s	Python 3	2018-09-29 01:33:22

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-08-22 09:04:05

#	User	Runtime	Language	Date
1	Bas Dirks	0.00 s	Rust	2022-02-11 10:29:27
2	Klas af Geijerstam	0.00 s	Rust	2022-04-07 12:46:08
3	Hugo Lom	0.00 s	Rust	2024-02-13 21:38:07
4	Vincent Lagerros	0.00 s	Rust	2024-11-20 15:15:10
5	Emil Segerbäck	0.00 s	Rust	2020-08-05 17:28:05

#	User	Length	Language	Date
1	Andreas Björklund	1314	C	2018-12-01 18:13:54
2	Arvid Persson	2065	C	2020-12-07 19:44:30
3	Arvid Bengtsson	2199	C	2025-04-27 22:38:24
4	Sambit Palit	2257	C	2020-11-20 01:54:12
5	Oskar Larsson	2537	C	2022-11-03 21:00:05
6	Tobias Rastemo	2544	C	2020-09-17 16:45:03
7	Simon Renhult	2969	C	2024-02-13 21:24:14
8	Hidden user	3296	C	2023-07-04 23:27:12
9	Ivan Petrov	6480	C	2019-09-01 10:25:25
10	Sanjiv Dinakar	6724	C	2022-06-28 21:25:22

#	User	Length	Language	Date
1	Ewan Chilton	1045	C#	2024-03-08 13:23:00
2	Martin Olofsson	1752	C#	2022-03-06 12:42:19
3	Martin Lundgren	1794	C#	2020-11-28 14:40:35
4	Teast	1816	C#	2023-02-07 11:30:34
5	wasan	1887	C#	2021-06-10 13:56:15
6	Wasan Mahmoud	1887	C#	2021-06-10 13:57:13
7	Marek	1923	C#	2018-11-28 19:06:47
8	Fredrik Hammar	1924	C#	2023-04-16 18:58:06
9	Markuss Sprogis	1934	C#	2020-06-29 17:00:42
10	Mehdi Adelzadeh	1964	C#	2019-10-06 03:26:31

#	User	Length	Language	Date
1	Alexander Skidanov	623	C++	2024-11-02 16:13:55
2	Arif Ahmad	670	C++	2019-11-30 15:53:04
3	Tigran Hakobyan	675	C++	2020-05-15 17:34:48
4	Johan Wind	677	C++	2018-05-08 21:14:22
5	Snehil Chopra	677	C++	2018-10-27 19:37:51
6	Jerry Xu	695	C++	2024-06-16 00:09:03
7	Hidden user	698	C++	2024-09-13 14:09:52
8	Simon Lindholm	746	C++	2017-10-01 11:42:59
9	Qianlang Chen	775	C++	2022-09-27 03:42:30
10	Yeung Man Tsung	775	C++	2022-11-27 12:20:45

#	User	Length	Language	Date
1	Norbert Voelker	1848	Go	2021-10-29 22:50:40

#	User	Length	Language	Date
1	Brent Yorgey	1339	Haskell	2018-08-30 13:11:21
2	Steinar Simonnes	1518	Haskell	2025-01-17 13:43:40
3	Hidden user	2123	Haskell	2024-01-05 21:17:36

#	User	Length	Language	Date
1	Doug Goodman	828	Java	2018-05-15 19:51:01
2	Akash Bhalla	944	Java	2022-05-20 18:12:09
3	Gomathi Sankar Rajendran	980	Java	2021-06-16 00:09:28
4	Bjorn Wei	980	Java	2022-02-19 00:53:47
5	Pawan Kumar	1028	Java	2021-09-02 13:16:52
6	Hidden user	1080	Java	2019-07-03 20:15:05
7	Rituraj Gupta	1286	Java	2021-09-02 13:20:14
8	Jackson Tenor	1327	Java	2019-10-04 03:04:44
9	Dee Joe	1337	Java	2021-09-02 13:14:25
10	Duncan Page	1467	Java	2018-04-05 23:34:22

#	User	Length	Language	Date
1	Peter Kedemo	1205	JavaScript (Node.js)	2019-12-30 21:55:52
2	ErkMan	1227	JavaScript (Node.js)	2022-11-20 01:09:29
3	Brendan Sahli	1450	JavaScript (Node.js)	2023-05-17 03:02:38
4	Mehdi Nassim KHODJA	1522	JavaScript (Node.js)	2021-02-12 18:16:44
5	Shaghayegh Khangaldy	1530	JavaScript (Node.js)	2021-12-24 15:23:05
6	Amin Sani	1628	JavaScript (Node.js)	2021-10-07 17:51:33
7	Jayakumar S	1657	JavaScript (Node.js)	2021-01-10 08:22:43
8	NILALOHITA PANIGRAHI	2011	JavaScript (Node.js)	2021-03-22 21:40:11
9	John Brynte Turesson	2034	JavaScript (Node.js)	2019-06-19 16:51:13
10	Aaron	2288	JavaScript (Node.js)	2022-11-18 02:02:15

#	User	Length	Language	Date
1	Christian Cederquist	556	JavaScript (SpiderMonkey)	2023-06-05 06:58:48
2	Bjørn Chr. Soltvedt	573	JavaScript (SpiderMonkey)	2017-11-19 22:58:22

#	User	Length	Language	Date
1	Adam Rankin	1554	Kotlin	2023-09-27 02:50:05
2	Kasper Ingelvide	1844	Kotlin	2020-11-02 14:00:51
3	Phường Lên	2560	Kotlin	2020-02-25 02:47:59
4	Hidden user	2756	Kotlin	2020-05-04 14:58:26

#	User	Length	Language	Date
1	Andriy Zyevakov	2433	Prolog	2024-09-19 00:23:33

#	User	Length	Language	Date
1	Hidden user	424	Python 2	2018-12-10 22:20:05
2	Hermon Mulat	656	Python 2	2018-12-26 03:54:02
3	Andrei Stoica	664	Python 2	2017-10-03 00:56:30
4	Niclas Nystroem	685	Python 2	2019-06-27 00:45:38
5	Masoud Pourhasan	685	Python 2	2019-11-02 15:33:41
6	Adam Olsson	685	Python 2	2020-08-22 14:38:50
7	Marky Lazslio	685	Python 2	2020-09-12 00:56:09
8	Hidden user	685	Python 2	2020-11-21 19:55:53
9	Hidden user	685	Python 2	2020-11-22 22:11:23
10	Harrison Shen	687	Python 2	2020-01-06 06:20:57

#	User	Length	Language	Date
1	Christian Blumenthal	188	Python 3	2023-08-21 10:48:52
2	Peter Stauder	251	Python 3	2022-10-29 20:15:53
3	a_b__c	278	Python 3	2021-01-29 19:01:34
4	Hidden user	293	Python 3	2023-07-13 19:35:31
5	PokeMONS	355	Python 3	2018-11-20 22:40:29
6	Guillermo Hernández	447	Python 3	2022-09-05 09:11:35
7	Kristmundur Agust	458	Python 3	2018-02-13 23:05:34
8	Chen Xu	471	Python 3	2019-03-16 22:12:47
9	Adhyan Shukla	517	Python 3	2022-04-29 20:40:00
10	Ron Joshi	538	Python 3	2019-12-11 20:05:18

#	User	Length	Language	Date
1	Thomas Feld	121	Ruby	2023-08-22 09:14:14

#	User	Length	Language	Date
1	Bas Dirks	2019	Rust	2022-02-11 10:29:27
2	Emil Segerbäck	2437	Rust	2020-08-05 17:28:05
3	Klas af Geijerstam	7320	Rust	2022-04-07 12:50:54
4	Hugo Lom	9319	Rust	2024-02-13 21:38:07
5	Vincent Lagerros	22861	Rust	2024-11-20 15:15:10

Solution running time distribution