Problem A
Integer Lists — Problem Statistics

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Submissions	20398
Accepted submissions	4550
Submission ratio	22.31%
Authors	3669
Accepted authors	2814
Author ratio	76.70%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.01 s	C	2020-02-19 12:19:52
2	Þórður Agust	0.03 s	C	2019-02-13 22:48:42
3	Eyleifur Bjarkason	0.03 s	C	2019-03-22 16:20:33
4	Ioannis Br	0.03 s	C	2020-04-16 15:03:42
5	Vicente Millan Angelini	0.03 s	C	2025-04-10 04:36:34
6	Qi Ji	0.04 s	C	2018-06-20 07:47:28
7	Mikael K Eriksson	0.04 s	C	2021-06-21 13:33:51
8	Dan Rubery	0.06 s	C	2015-04-01 15:04:26
9	Chen Hanslen	0.06 s	C	2015-09-25 16:53:30
10	Jón Steinn Elíasson	0.06 s	C	2017-07-18 21:16:27

#	User	Runtime	Language	Date
1	Sam Broughton	0.11 s	C#	2015-09-25 13:44:30
2	Mark Meysenburg	0.11 s	C#	2023-04-14 20:33:14
3	Linda Andersson	0.12 s	C#	2024-08-06 20:25:51
4	Maximiliano Peña	0.14 s	C#	2025-06-21 03:40:43
5	Mads Storm Hansen	0.16 s	C#	2015-07-23 00:19:03
6	Zach Champeau	0.16 s	C#	2023-10-25 21:37:45
7	Marius Pažėra	0.20 s	C#	2023-09-30 13:41:03
8	Wong Hoe Cheong	0.22 s	C#	2016-08-15 05:26:27
9	Tomas Vainoris	0.22 s	C#	2023-09-30 11:15:24
10	Deci Bel	0.22 s	C#	2023-11-25 19:06:01

#	User	Runtime	Language	Date
1	Lin Lee	0.01 s	C++	2016-01-17 05:41:29
2	GP	0.01 s	C++	2017-03-22 23:00:18
3	Hidden user	0.01 s	C++	2019-03-08 08:02:52
4	Constantijn Dekker	0.01 s	C++	2021-04-20 23:17:17
5	Zhang Jikun	0.01 s	C++	2022-07-13 18:32:03
6	Andrew Polizzotto	0.01 s	C++	2022-10-21 10:28:23
7	Alexander Kravberg	0.01 s	C++	2023-07-16 23:17:59
8	Bjarki Ágúst Guðmundsson	0.02 s	C++	2014-12-18 03:16:00
9	Fredrik Hernqvist	0.02 s	C++	2015-10-28 17:20:10
10	Hua Fan Cai	0.02 s	C++	2017-02-11 06:30:02

#	User	Runtime	Language	Date
1	David Cawthon	0.19 s	Common Lisp	2020-11-29 04:34:49
2	Hidden user	0.30 s	Common Lisp	2019-06-18 19:21:53

#	User	Runtime	Language	Date
1	Norbert Voelker	0.10 s	Go	2022-10-27 20:48:14

#	User	Runtime	Language	Date
1	Casper Beckman	0.09 s	Haskell	2024-01-26 22:33:38
2	Steinar Simonnes	0.10 s	Haskell	2025-07-15 07:45:08
3	Eskil Andréen	0.11 s	Haskell	2015-03-16 08:22:28
4	Stefan Risberg	0.13 s	Haskell	2019-08-11 10:49:13
5	Brent Yorgey	0.21 s	Haskell	2018-12-18 05:32:38
6	Hidden user	0.32 s	Haskell	2015-01-08 11:59:06
7	Johan Meier	0.34 s	Haskell	2017-01-12 03:33:31
8	Hidden user	0.59 s	Haskell	2023-01-06 02:33:57
9	Thomas Hügel	0.70 s	Haskell	2023-05-26 16:31:00
10	Aurélien Pepin	0.75 s	Haskell	2019-08-09 18:30:00

#	User	Runtime	Language	Date
1	Clement Oh	0.12 s	Java	2022-08-15 14:38:48
2	Hidden user	0.17 s	Java	2018-06-17 17:24:08
3	Bjørn Dons	0.17 s	Java	2018-10-08 22:21:13
4	Kurtis Van Gent	0.18 s	Java	2017-02-10 23:21:33
5	Joseph Lee	0.18 s	Java	2018-06-17 08:23:40
6	Victor Alsen	0.20 s	Java	2019-11-21 07:23:03
7	Erik Nyström	0.21 s	Java	2015-12-06 09:40:40
8	Doug Goodman	0.21 s	Java	2017-01-30 16:21:06
9	Abdulrahman Zaiter	0.21 s	Java	2018-04-20 00:20:33
10	Hidden user	0.22 s	Java	2018-06-23 06:56:26

#	User	Runtime	Language	Date
1	CC8	0.04 s	JavaScript (SpiderMonkey)	2016-08-11 08:49:04
2	Zach Tschetter	0.06 s	JavaScript (SpiderMonkey)	2023-06-20 04:13:31
3	Bjørn Chr. Soltvedt	0.07 s	JavaScript (SpiderMonkey)	2017-01-19 03:21:48
4	Nguyễn Hùng Cường	0.10 s	JavaScript (SpiderMonkey)	2018-09-28 08:46:48
5	Zachary DeStefano	0.11 s	JavaScript (SpiderMonkey)	2019-10-13 12:34:45
6	Christian Cederquist	0.15 s	JavaScript (SpiderMonkey)	2023-02-10 07:24:31

#	User	Runtime	Language	Date
1	Noszály Csaba	0.47 s	Julia	2025-03-09 16:55:42

#	User	Runtime	Language	Date
1	Kyle Laker	0.43 s	Kotlin	2018-01-26 22:53:10
2	Jacob Huebner	0.61 s	Kotlin	2020-03-19 05:25:06
3	Hidden user	0.63 s	Kotlin	2020-02-18 06:20:34
4	Johnny Baloney	0.68 s	Kotlin	2022-01-10 16:48:04
5	Chelsea Hoernemann	0.70 s	Kotlin	2022-10-18 21:46:19
6	Phường Lên	0.73 s	Kotlin	2020-02-26 21:09:41
7	Benjamin Laurence Erickson	0.81 s	Kotlin	2018-07-24 21:40:22
8	Andrew Kronser	0.82 s	Kotlin	2017-10-21 17:18:15
9	James WIlliams	0.95 s	Kotlin	2020-09-27 07:48:13
10	Adam Koprowski	0.96 s	Kotlin	2020-08-24 19:12:13

#	User	Runtime	Language	Date
1	Troels Bjerre Lund	0.05 s	Python 2	2019-05-07 11:05:18
2	Christofer Ohlsson	0.07 s	Python 2	2015-06-28 21:10:04
3	Lars Tveito	0.07 s	Python 2	2015-11-01 15:53:47
4	Blarny Bear	0.07 s	Python 2	2016-08-20 11:00:36
5	Hermon Mulat	0.07 s	Python 2	2018-01-10 18:20:11
6	Klas af Geijerstam	0.07 s	Python 2	2018-11-14 10:59:54
7	Riko Jacob	0.07 s	Python 2	2019-02-13 22:36:56
8	sirpoot	0.07 s	Python 2	2019-04-19 03:33:15
9	Harry Smidt	0.07 s	Python 2	2019-10-16 20:53:14
10	Thomas Feld	0.07 s	Python 2	2020-06-18 11:20:49

#	User	Runtime	Language	Date
1	Tammo Behrends	0.07 s	Python 3	2015-11-30 11:25:56
2	Zac Friggstad	0.07 s	Python 3	2018-11-03 18:42:22
3	Fred Bloggs	0.07 s	Python 3	2019-03-31 19:56:07
4	Victor Alsen	0.07 s	Python 3	2019-11-20 03:12:04
5	Zamua Osman	0.08 s	Python 3	2018-01-26 19:15:34
6	Isak arnar	0.08 s	Python 3	2019-02-10 01:20:36
7	Tristan Hunt	0.09 s	Python 3	2017-03-17 05:53:29
8	Wesley Malinchock	0.09 s	Python 3	2018-01-26 20:32:46
9	Ryan Strauss	0.09 s	Python 3	2019-01-02 21:10:14
10	Elvar Árni Sturluson	0.09 s	Python 3	2019-02-11 18:47:22

#	User	Runtime	Language	Date
1	Hidden user	0.25 s	Ruby	2019-02-27 17:43:30

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2025-03-08 23:01:57
2	Sylvain	0.02 s	Rust	2021-01-21 11:12:04
3	Raphaël Gauthier	0.02 s	Rust	2021-02-21 22:25:45
4	Hidden user	0.02 s	Rust	2025-02-06 05:15:15
5	Joe Blower	0.02 s	Rust	2025-06-27 19:00:47
6	Antoine Bauri	0.03 s	Rust	2022-02-09 00:02:37
7	Valerio Lomanto	0.03 s	Rust	2023-11-27 19:23:12
8	Hidden user	0.03 s	Rust	2024-01-29 20:15:54
9	Pahlevi Fikri Auliya	0.04 s	Rust	2020-10-31 00:02:24
10	Joshua Ji	0.04 s	Rust	2020-11-29 09:32:38

#	User	Length	Language	Date
1	Ivan Petrov	916	C	2019-07-22 09:59:32
2	Dan Rubery	939	C	2015-04-01 15:04:26
3	Qi Ji	1036	C	2018-06-20 07:52:20
4	Hidden user	1167	C	2022-12-14 23:40:29
5	Mikael K Eriksson	1377	C	2021-06-21 13:33:51
6	Hidden user	1554	C	2024-02-20 22:47:47
7	Hidden user	1562	C	2017-05-21 15:39:19
8	Chen Hanslen	1612	C	2015-09-25 16:53:30
9	Ali Mahmood Jafri	1646	C	2024-04-04 14:54:14
10	Javier Sanchez Castro	1709	C	2024-01-24 18:34:24

#	User	Length	Language	Date
1	Esty Crow	1074	C#	2025-07-04 20:46:36
2	Wong Hoe Cheong	1456	C#	2016-08-11 07:46:18
3	Anthony Ye	1623	C#	2025-07-11 20:55:37
4	Marius Pažėra	1763	C#	2023-09-30 13:41:03
5	Zach Champeau	1811	C#	2023-10-25 21:37:45
6	Jesper Lundin	1836	C#	2021-11-07 15:03:26
7	Tomas Vainoris	2045	C#	2023-09-30 11:15:24
8	Linda Andersson	2072	C#	2024-08-06 20:33:53
9	Sam Broughton	2135	C#	2015-09-25 13:44:30
10	Michael Wong	2456	C#	2019-04-03 07:46:10

#	User	Length	Language	Date
1	Frans Meulenbroeks	450	C++	2024-10-01 14:18:58
2	Elias Lolck	639	C++	2022-12-03 18:42:28
3	Nathaniel Ang	705	C++	2020-01-23 17:58:13
4	Lim An Jun	739	C++	2023-01-01 11:14:41
5	Jonathan Loh	746	C++	2020-01-27 14:33:15
6	Wen Li Looi	767	C++	2015-03-21 18:24:36
7	Herman Karlsson	793	C++	2015-05-23 17:50:27
8	Daniel Yan	794	C++	2017-05-20 21:19:29
9	Josenildo Silva	808	C++	2017-01-14 16:20:50
10	Johan Wind	810	C++	2018-04-20 23:22:22

#	User	Length	Language	Date
1	Hidden user	1340	Common Lisp	2019-06-18 19:21:53
2	David Cawthon	1630	Common Lisp	2020-11-29 04:34:49

#	User	Length	Language	Date
1	Norbert Voelker	1671	Go	2022-10-27 20:48:14

#	User	Length	Language	Date
1	Hidden user	721	Haskell	2023-01-06 02:33:57
2	Johan Meier	1118	Haskell	2017-01-12 03:01:22
3	Steinar Simonnes	1205	Haskell	2025-07-15 07:45:08
4	Aurélien Pepin	1428	Haskell	2019-08-09 18:30:00
5	Stefan Risberg	1532	Haskell	2019-08-11 10:49:13
6	Thomas Hügel	1663	Haskell	2023-05-26 16:31:00
7	Eskil Andréen	1690	Haskell	2015-03-16 08:22:28
8	Casper Beckman	1789	Haskell	2024-01-26 23:04:00
9	Brent Yorgey	2054	Haskell	2018-12-18 05:32:38
10	Hidden user	3605	Haskell	2015-01-08 11:59:06

#	User	Length	Language	Date
1	Kaung Htet Wai Yan	995	Java	2023-06-04 16:34:21
2	Ada Clevinger	1126	Java	2019-03-05 00:26:03
3	Xuyan Huang	1127	Java	2023-09-05 15:43:11
4	Harrison Weigel	1129	Java	2015-03-22 01:45:21
5	Lim Bingjie James	1157	Java	2024-09-08 17:16:06
6	Ernest Ng Zi Xuan	1207	Java	2024-09-09 05:08:05
7	Charles Koenig	1238	Java	2015-03-21 18:32:53
8	Gabriel Pita	1243	Java	2015-03-21 18:37:56
9	Yeung Man Tsung	1262	Java	2022-07-18 12:39:49
10	Stephen Royal	1263	Java	2015-03-21 21:02:39

#	User	Length	Language	Date
1	Christian Cederquist	559	JavaScript (SpiderMonkey)	2023-02-10 07:24:31
2	Zach Tschetter	634	JavaScript (SpiderMonkey)	2023-06-20 04:13:31
3	Bjørn Chr. Soltvedt	846	JavaScript (SpiderMonkey)	2017-01-19 02:10:24
4	Nguyễn Hùng Cường	913	JavaScript (SpiderMonkey)	2018-09-28 08:46:48
5	Zachary DeStefano	936	JavaScript (SpiderMonkey)	2019-10-13 12:34:45
6	CC8	966	JavaScript (SpiderMonkey)	2016-08-11 08:49:04

#	User	Length	Language	Date
1	Noszály Csaba	273	Julia	2025-03-09 16:55:42

#	User	Length	Language	Date
1	Adam Koprowski	942	Kotlin	2020-08-24 19:12:13
2	Johnny Baloney	1234	Kotlin	2022-01-10 16:45:01
3	Phường Lên	1241	Kotlin	2020-02-26 21:09:41
4	Andrew Kronser	1262	Kotlin	2017-10-21 17:18:15
5	Benjamin Laurence Erickson	1414	Kotlin	2018-07-24 21:40:22
6	Jacob Huebner	1555	Kotlin	2020-03-19 05:23:58
7	Kyle Laker	1714	Kotlin	2018-01-26 22:53:10
8	Hidden user	1980	Kotlin	2020-02-18 06:20:34
9	Chelsea Hoernemann	2208	Kotlin	2022-10-18 21:46:19
10	James WIlliams	5557	Kotlin	2020-09-27 07:48:13

#	User	Length	Language	Date
1	Thomas Feld	382	Python 2	2020-06-18 11:20:49
2	Oskar Haarklou Veileborg	493	Python 2	2019-12-23 11:19:58
3	Klas af Geijerstam	508	Python 2	2018-11-14 10:59:54
4	Andreas Björklund	519	Python 2	2020-03-08 09:09:39
5	Riko Jacob	538	Python 2	2019-02-13 22:36:56
6	Lars Tveito	546	Python 2	2015-11-01 15:53:47
7	Troels Bjerre Lund	582	Python 2	2019-05-07 11:30:40
8	Johan Lyts	596	Python 2	2020-10-01 14:20:13
9	Hidden user	618	Python 2	2019-08-07 19:57:53
10	Krzysztof Gibuła	624	Python 2	2019-05-05 16:58:29

#	User	Length	Language	Date
1	Jayden Pahukula	186	Python 3	2023-10-26 23:47:15
2	Shashank Bhatt	186	Python 3	2023-10-26 17:39:18
3	Tyler Wright (Pug)	209	Python 3	2023-10-26 23:03:13
4	Eugin Pahk	225	Python 3	2023-10-26 00:00:03
5	Benjamin Z White	240	Python 3	2023-04-01 12:51:44
6	Nguyên Khôi Đỗ	321	Python 3	2025-02-09 09:28:40
7	Zachariah Goldthorpe	358	Python 3	2018-07-07 00:09:04
8	Hidden user	379	Python 3	2022-10-22 19:41:14
9	Herman Karlsson	388	Python 3	2019-11-19 18:23:54
10	Farzam Abrishami	392	Python 3	2023-06-30 23:48:10

#	User	Length	Language	Date
1	Hidden user	414	Ruby	2019-02-27 17:43:30

#	User	Length	Language	Date
1	Alexandre Billonnet	1128	Rust	2024-10-09 15:37:41
2	Connor Nagle	1394	Rust	2023-05-09 04:26:11
3	Raphaël Baulant	1441	Rust	2021-02-21 22:19:10
4	Mattéo Ladrat	1598	Rust	2021-01-20 11:49:45
5	Gwendal Couvidoux	1684	Rust	2024-10-09 15:22:50
6	Antoine Bauri	1690	Rust	2022-02-09 17:15:57
7	Theo Mestries	1786	Rust	2023-10-09 15:06:33
8	Thomas Hügel	1886	Rust	2020-12-29 10:45:52
9	Tommy Boisseau	1934	Rust	2023-10-18 17:23:54
10	Joshua Ji	1965	Rust	2020-11-29 09:32:38

Solution running time distribution