Problem O
Integer Lists — Problem Statistics

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Submissions	22761
Accepted submissions	5173
Submission ratio	22.73%
Authors	4227
Full solves [?]	3305
Full solve Ratio	78.19%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.01 s	C	2020-02-19 11:19:52
2	Andrew Eardley	0.01 s	C	2025-09-30 06:21:53
3	Þórður Agust	0.03 s	C	2019-02-13 21:48:42
4	Eyleifur Bjarkason	0.03 s	C	2019-03-22 15:20:33
5	Ioannis Br	0.03 s	C	2020-04-16 13:03:42
6	Vicente Millan Angelini	0.03 s	C	2025-04-10 02:36:34
7	Tyler Mulholland	0.03 s	C	2026-03-06 04:51:43
8	Qi Ji	0.04 s	C	2018-06-20 05:47:28
9	Mikael K Eriksson	0.04 s	C	2021-06-21 11:33:51
10	Dan Rubery	0.06 s	C	2015-04-01 13:04:26

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.09 s	C#	2025-12-09 04:20:51
2	Sam Broughton	0.11 s	C#	2015-09-25 11:44:30
3	Mark Meysenburg	0.11 s	C#	2023-04-14 18:33:14
4	Linda Andersson	0.12 s	C#	2024-08-06 18:25:51
5	Li Tianchu	0.12 s	C#	2025-09-08 11:22:14
6	Maximiliano Peña	0.14 s	C#	2025-06-21 01:40:43
7	Mads Storm Hansen	0.16 s	C#	2015-07-22 22:19:03
8	Zach Champeau	0.16 s	C#	2023-10-25 19:37:45
9	Marius Pažėra	0.20 s	C#	2023-09-30 11:41:03
10	Wong Hoe Cheong	0.22 s	C#	2016-08-15 03:26:27

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

#	User	Runtime	Language	Date
1	David Cawthon	0.19 s	Common Lisp	2020-11-29 03:34:49
2	Hidden user	0.30 s	Common Lisp	2019-06-18 17:21:53

#	User	Runtime	Language	Date
1	Norbert Voelker	0.10 s	Go	2022-10-27 18:48:14

#	User	Runtime	Language	Date
1	Casper Beckman	0.09 s	Haskell	2024-01-26 21:33:38
2	Steinar Simonnes	0.10 s	Haskell	2025-07-15 05:45:08
3	Eskil Andréen	0.11 s	Haskell	2015-03-16 07:22:28
4	Stefan Risberg	0.13 s	Haskell	2019-08-11 08:49:13
5	Brent Yorgey	0.21 s	Haskell	2018-12-18 04:32:38
6	Hidden user	0.32 s	Haskell	2015-01-08 10:59:06
7	Johan Meier	0.34 s	Haskell	2017-01-12 02:33:31
8	Hidden user	0.59 s	Haskell	2023-01-06 01:33:57
9	Thomas Hügel	0.70 s	Haskell	2023-05-26 14:31:00
10	Aurélien Pepin	0.75 s	Haskell	2019-08-09 16:30:00

#	User	Runtime	Language	Date
1	Clement Oh	0.12 s	Java	2022-08-15 12:38:48
2	Hidden user	0.17 s	Java	2018-06-17 15:24:08
3	Bjørn Dons	0.17 s	Java	2018-10-08 20:21:13
4	Kurtis Van Gent	0.18 s	Java	2017-02-10 22:21:33
5	Joseph Lee	0.18 s	Java	2018-06-17 06:23:40
6	Victor Alsen	0.20 s	Java	2019-11-21 06:23:03
7	Erik Nyström	0.21 s	Java	2015-12-06 08:40:40
8	Doug Goodman	0.21 s	Java	2017-01-30 15:21:06
9	Abdulrahman Zaiter	0.21 s	Java	2018-04-19 22:20:33
10	Hidden user	0.22 s	Java	2018-06-23 04:56:26

#	User	Runtime	Language	Date
1	Hidden user	0.11 s	JavaScript (Node.js)	2025-09-08 05:33:55

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

#	User	Runtime	Language	Date
1	Hidden user	0.47 s	Julia	2025-03-09 15:55:42

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

#	User	Runtime	Language	Date
1	Junyu Zhan	0.02 s	Odin	2026-01-22 07:32:30

#	User	Runtime	Language	Date
1	Troels Bjerre Lund	0.05 s	Python 2	2019-05-07 09:05:18
2	Christofer Ohlsson	0.07 s	Python 2	2015-06-28 19:10:04
3	Lars Tveito	0.07 s	Python 2	2015-11-01 14:53:47
4	Blarny Bear	0.07 s	Python 2	2016-08-20 09:00:36
5	Hermon Mulat	0.07 s	Python 2	2018-01-10 17:20:11
6	Klas af Geijerstam	0.07 s	Python 2	2018-11-14 09:59:54
7	Riko Jacob	0.07 s	Python 2	2019-02-13 21:36:56
8	sirpoot	0.07 s	Python 2	2019-04-19 01:33:15
9	Harry Smidt	0.07 s	Python 2	2019-10-16 18:53:14
10	Thomas Feld	0.07 s	Python 2	2020-06-18 09:20:49

#	User	Runtime	Language	Date
1	Tammo Behrends	0.07 s	Python 3	2015-11-30 10:25:56
2	Zac Friggstad	0.07 s	Python 3	2018-11-03 17:42:22
3	Fred Bloggs	0.07 s	Python 3	2019-03-31 17:56:07
4	Victor Alsen	0.07 s	Python 3	2019-11-20 02:12:04
5	Zamua Osman	0.08 s	Python 3	2018-01-26 18:15:34
6	Isak arnar	0.08 s	Python 3	2019-02-10 00:20:36
7	Tristan Hunt	0.09 s	Python 3	2017-03-17 04:53:29
8	Wesley Malinchock	0.09 s	Python 3	2018-01-26 19:32:46
9	Ryan Strauss	0.09 s	Python 3	2019-01-02 20:10:14
10	Elvar Árni Sturluson	0.09 s	Python 3	2019-02-11 17:47:22

#	User	Runtime	Language	Date
1	Hidden user	0.25 s	Ruby	2019-02-27 16:43:30

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2025-03-08 22:01:57
2	Sylvain	0.02 s	Rust	2021-01-21 10:12:04
3	Raphaël Gauthier	0.02 s	Rust	2021-02-21 21:25:45
4	Hidden user	0.02 s	Rust	2025-02-06 04:15:15
5	Joe Blower	0.02 s	Rust	2025-06-27 17:00:47
6	Hugo	0.02 s	Rust	2025-10-08 11:59:22
7	Antoine Bauri	0.03 s	Rust	2022-02-08 23:02:37
8	Valerio Lomanto	0.03 s	Rust	2023-11-27 18:23:12
9	Hidden user	0.03 s	Rust	2024-01-29 19:15:54
10	Pahlevi Fikri Auliya	0.04 s	Rust	2020-10-30 23:02:24

#	User	Runtime	Language	Date
1	Adam Gustafsson	0.09 s	TypeScript	2025-11-11 20:49:19

#	User	Length	Language	Date
1	Ivan Petrov	916	C	2019-07-22 07:59:32
2	Dan Rubery	939	C	2015-04-01 13:04:26
3	Qi Ji	1036	C	2018-06-20 05:52:20
4	Mirel Cosulschi	1167	C	2022-12-14 22:40:29
5	Efren Jewel Dela Cruz	1248	C	2025-10-11 02:08:44
6	Mikael K Eriksson	1377	C	2021-06-21 11:33:51
7	Hidden user	1554	C	2024-02-20 21:47:47
8	Hidden user	1562	C	2017-05-21 13:39:19
9	Chen Hanslen	1612	C	2015-09-25 14:53:30
10	Ali Mahmood Jafri	1646	C	2024-04-04 12:54:14

#	User	Length	Language	Date
1	Esty Crow	1074	C#	2025-07-04 18:46:36
2	Wong Hoe Cheong	1456	C#	2016-08-11 05:46:18
3	Anthony Ye	1623	C#	2025-07-11 18:55:37
4	Marius Pažėra	1763	C#	2023-09-30 11:41:03
5	Zach Champeau	1811	C#	2023-10-25 19:37:45
6	Jesper Lundin	1836	C#	2021-11-07 14:03:26
7	Li Tianchu	1999	C#	2025-09-08 11:22:14
8	Tomas Vainoris	2045	C#	2023-09-30 09:15:24
9	Linda Andersson	2072	C#	2024-08-06 18:33:53
10	Sam Broughton	2135	C#	2015-09-25 11:44:30

#	User	Length	Language	Date
1	Frans Meulenbroeks	450	C++	2024-10-01 12:18:58
2	Elias Lolck	639	C++	2022-12-03 17:42:28
3	Nathaniel Ang	705	C++	2020-01-23 16:58:13
4	Lim An Jun	739	C++	2023-01-01 10:14:41
5	Jonathan Loh	746	C++	2020-01-27 13:33:15
6	Wen Li Looi	767	C++	2015-03-21 17:24:36
7	Herman Karlsson	793	C++	2015-05-23 15:50:27
8	Daniel Yan	794	C++	2017-05-20 19:19:29
9	Mathias Gernez	800	C++	2025-09-04 19:13:13
10	Josenildo Silva	808	C++	2017-01-14 15:20:50

#	User	Length	Language	Date
1	Hidden user	1340	Common Lisp	2019-06-18 17:21:53
2	David Cawthon	1630	Common Lisp	2020-11-29 03:34:49

#	User	Length	Language	Date
1	Norbert Voelker	1671	Go	2022-10-27 18:48:14

#	User	Length	Language	Date
1	Hidden user	721	Haskell	2023-01-06 01:33:57
2	Johan Meier	1118	Haskell	2017-01-12 02:01:22
3	Steinar Simonnes	1205	Haskell	2025-07-15 05:45:08
4	Aurélien Pepin	1428	Haskell	2019-08-09 16:30:00
5	Stefan Risberg	1532	Haskell	2019-08-11 08:49:13
6	Thomas Hügel	1663	Haskell	2023-05-26 14:31:00
7	Eskil Andréen	1690	Haskell	2015-03-16 07:22:28
8	Casper Beckman	1789	Haskell	2024-01-26 22:04:00
9	Brent Yorgey	2054	Haskell	2018-12-18 04:32:38
10	Hidden user	3605	Haskell	2015-01-08 10:59:06

#	User	Length	Language	Date
1	Kaung Htet Wai Yan	995	Java	2023-06-04 14:34:21
2	Ada Clevinger	1126	Java	2019-03-04 23:26:03
3	Xuyan Huang	1127	Java	2023-09-05 13:43:11
4	Harrison Weigel	1129	Java	2015-03-22 00:45:21
5	Lim Bingjie James	1157	Java	2024-09-08 15:16:06
6	Ernest Ng Zi Xuan	1207	Java	2024-09-09 03:08:05
7	Charles Koenig	1238	Java	2015-03-21 17:32:53
8	Gabriel Pita	1243	Java	2015-03-21 17:37:56
9	Yeung Man Tsung	1262	Java	2022-07-18 10:39:49
10	Stephen Royal	1263	Java	2015-03-21 20:02:39

#	User	Length	Language	Date
1	Hidden user	1174	JavaScript (Node.js)	2025-09-08 05:33:55

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

#	User	Length	Language	Date
1	Hidden user	273	Julia	2025-03-09 15:55:42

#	User	Length	Language	Date
1	Adam Koprowski	942	Kotlin	2020-08-24 17:12:13
2	Johnny Baloney	1234	Kotlin	2022-01-10 15:45:01
3	Phường Lên	1241	Kotlin	2020-02-26 20:09:41
4	Andrew Kronser	1262	Kotlin	2017-10-21 15:18:15
5	Benjamin Laurence Erickson	1414	Kotlin	2018-07-24 19:40:22
6	Jacob Huebner	1555	Kotlin	2020-03-19 04:23:58
7	Kyle Laker	1714	Kotlin	2018-01-26 21:53:10
8	Hidden user	1980	Kotlin	2020-02-18 05:20:34
9	Chelsea Hoernemann	2208	Kotlin	2022-10-18 19:46:19
10	James WIlliams	5577	Kotlin	2020-09-27 05:48:13

#	User	Length	Language	Date
1	Junyu Zhan	1604	Odin	2026-01-19 04:10:58

#	User	Length	Language	Date
1	Thomas Feld	382	Python 2	2020-06-18 09:20:49
2	Oskar Haarklou Veileborg	493	Python 2	2019-12-23 10:19:58
3	Klas af Geijerstam	508	Python 2	2018-11-14 09:59:54
4	Andreas Björklund	519	Python 2	2020-03-08 08:09:39
5	Riko Jacob	538	Python 2	2019-02-13 21:36:56
6	Lars Tveito	546	Python 2	2015-11-01 14:53:47
7	Troels Bjerre Lund	582	Python 2	2019-05-07 09:30:40
8	Johan Lyts	596	Python 2	2020-10-01 12:20:13
9	Hidden user	618	Python 2	2019-08-07 17:57:53
10	Krzysztof Gibuła	624	Python 2	2019-05-05 14:58:29

#	User	Length	Language	Date
1	Avery	181	Python 3	2025-07-18 19:49:28
2	Shashank Bhatt	186	Python 3	2023-10-26 15:39:18
3	Jayden Pahukula	186	Python 3	2023-10-26 21:47:15
4	Tyler Wright (Pug)	209	Python 3	2023-10-26 21:03:13
5	Eugin Pahk	225	Python 3	2023-10-25 22:00:03
6	Benjamin Z White	240	Python 3	2023-04-01 10:51:44
7	Ahmed Chamseddine	269	Python 3	2025-11-07 21:19:40
8	Si Jie Tan	299	Python 3	2026-01-06 22:30:36
9	Nguyên Khôi Đỗ	321	Python 3	2025-02-09 08:28:40
10	Zachariah Goldthorpe	358	Python 3	2018-07-06 22:09:04

#	User	Length	Language	Date
1	Hidden user	414	Ruby	2019-02-27 16:43:30

#	User	Length	Language	Date
1	Alexandre Billonnet	1128	Rust	2024-10-09 13:37:41
2	Connor Nagle	1394	Rust	2023-05-09 02:26:11
3	Raphaël Baulant	1441	Rust	2021-02-21 21:19:10
4	Mattéo Ladrat	1598	Rust	2021-01-20 10:49:45
5	Gwendal Couvidoux	1684	Rust	2024-10-09 13:22:50
6	Antoine Bauri	1690	Rust	2022-02-09 16:15:57
7	Hugo	1747	Rust	2025-10-08 11:59:22
8	Theo Mestries	1786	Rust	2023-10-09 13:06:33
9	Hidden user	1811	Rust	2025-10-08 12:48:18
10	Louis	1873	Rust	2025-10-19 10:08:55

#	User	Length	Language	Date
1	Adam Gustafsson	951	TypeScript	2025-11-11 20:49:19

Solution running time distribution