Problem I
Palindrome Substring — Problem Statistics

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Submissions	2247
Accepted submissions	819
Submission ratio	36.45%
Authors	670
Accepted authors	536
Author ratio	80.00%

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	C	2023-12-16 20:02:28
2	Anton Siderud	0.28 s	C	2020-04-01 22:10:54
3	Bernd Schmidt	0.51 s	C	2017-06-16 19:30:47
4	Ioannis Br	1.82 s	C	2023-01-21 16:25:35

#	User	Runtime	Language	Date
1	Jinx	0.49 s	C#	2017-10-19 19:50:55
2	Donald Heppner	0.76 s	C#	2017-10-21 05:17:26
3	Denys Vega	0.81 s	C#	2021-04-16 07:37:24
4	Tom Ilestrand	0.99 s	C#	2019-02-27 20:59:28
5	Bartosz Starczewski	1.04 s	C#	2017-10-20 02:24:02

#	User	Runtime	Language	Date
1	Phu Lee Thanh	0.00 s	C++	2020-07-22 02:36:38
2	Thomas Meeks	0.00 s	C++	2023-08-08 03:22:41
3	Muhammad Rais Fathin Mudzakir	0.01 s	C++	2017-01-28 08:49:48
4	Hidden user	0.01 s	C++	2021-05-07 22:37:53
5	Likhon	0.01 s	C++	2021-11-04 19:04:28
6	Lawry Sorenson	0.01 s	C++	2025-02-20 19:27:37
7	Bjarki Ágúst Guðmundsson	0.02 s	C++	2016-03-29 17:19:37
8	Lazar Ilic	0.02 s	C++	2021-06-23 23:44:48
9	Michael Pfeifer	0.05 s	C++	2018-04-18 20:31:47
10	Johan Wind	0.05 s	C++	2018-04-24 16:12:36

#	User	Runtime	Language	Date
1	Julian Duniec	0.05 s	Go	2023-09-07 17:42:34
2	Michael Laszlo	0.11 s	Go	2016-10-21 23:01:14

#	User	Runtime	Language	Date
1	David Brink	0.16 s	Java	2019-09-15 15:18:23
2	Sejong Jang	0.32 s	Java	2021-12-04 00:41:42
3	José Vander Meulen	0.39 s	Java	2018-02-07 20:14:25
4	Paulo Vilela	0.50 s	Java	2017-03-23 17:25:22
5	Taras Romanyuk	0.53 s	Java	2024-11-11 16:44:30
6	Andreas Wassum	0.54 s	Java	2017-05-20 18:14:57
7	Kadin Tang	0.54 s	Java	2020-12-28 09:25:50
8	Paul Boddington	0.56 s	Java	2016-05-14 01:47:24
9	William Fiset	0.56 s	Java	2017-01-07 19:45:45
10	Bobby Wang	0.56 s	Java	2018-01-31 05:53:00

#	User	Runtime	Language	Date
1	Michael Laszlo	0.28 s	JavaScript (SpiderMonkey)	2016-10-21 23:01:55
2	Piotr Karpala	0.37 s	JavaScript (SpiderMonkey)	2017-10-20 06:25:27
3	Bjørn Chr. Soltvedt	0.49 s	JavaScript (SpiderMonkey)	2016-08-20 18:07:48
4	Christian Cederquist	0.73 s	JavaScript (SpiderMonkey)	2023-08-15 16:44:02

#	User	Runtime	Language	Date
1	Timothy Gaede	1.15 s	Julia	2024-09-04 17:57:25

#	User	Runtime	Language	Date
1	Phường Lên	0.83 s	Kotlin	2020-03-16 16:56:30
2	Adam Rankin	1.08 s	Kotlin	2023-09-12 20:49:41
3	Hidden user	1.14 s	Kotlin	2020-03-17 08:37:08

#	User	Runtime	Language	Date
1	Silvena Lam	0.34 s	PHP	2018-03-04 18:18:21

#	User	Runtime	Language	Date
1	Minh Phan Duc Nhat	0.07 s	Python 2	2018-02-12 04:12:21
2	Johann Ly	0.46 s	Python 2	2018-07-09 03:37:14
3	Jesper Öqvist	0.47 s	Python 2	2018-08-23 07:34:55
4	Lars Åström	0.47 s	Python 2	2019-04-26 18:41:30
5	Andreas Björklund	0.48 s	Python 2	2021-11-07 18:22:15
6	Christopher Nathaniel Walker	0.49 s	Python 2	2016-10-10 02:22:07
7	Martin Wan	0.49 s	Python 2	2017-08-11 08:39:12
8	Hermon Mulat	0.49 s	Python 2	2017-11-17 02:52:35
9	Erik Tjøswold	0.49 s	Python 2	2018-03-03 18:29:02
10	Kyle Verhoog	0.50 s	Python 2	2016-02-26 18:50:05

#	User	Runtime	Language	Date
1	Pierre	0.11 s	Python 3	2023-01-05 22:56:36
2	Alejandro Escobar	0.11 s	Python 3	2023-04-04 01:31:25
3	Jason Jiang	0.11 s	Python 3	2023-04-04 02:54:10
4	David Brink	0.12 s	Python 3	2017-02-20 19:02:20
5	Benjamin Z White	0.12 s	Python 3	2023-07-23 21:38:44
6	Josh Wiseman	0.12 s	Python 3	2025-02-20 20:47:06
7	Braydon Hunt	0.14 s	Python 3	2021-12-04 00:32:44
8	Siyong Liu	0.15 s	Python 3	2023-03-03 23:54:17
9	David Ludwig	0.17 s	Python 3	2019-10-20 02:47:06
10	Pol Jaouen	0.32 s	Python 3	2023-01-05 20:22:23

#	User	Runtime	Language	Date
1	Nate Yourchuck	0.56 s	Ruby	2016-08-06 19:53:34
2	Thomas Feld	1.06 s	Ruby	2023-08-22 13:04:35

#	User	Length	Language	Date
1	Hidden user	1839	C	2022-12-01 09:40:30
2	Anton Siderud	1988	C	2020-04-01 22:03:52
3	Bernd Schmidt	2093	C	2017-06-16 19:30:47
4	Ioannis Br	2355	C	2023-01-21 16:25:35

#	User	Length	Language	Date
1	Denys Vega	1072	C#	2019-11-05 15:02:48
2	Donald Heppner	1599	C#	2017-10-21 05:17:26
3	Bartosz Starczewski	2004	C#	2017-10-20 02:24:02
4	Tom Ilestrand	2072	C#	2019-02-27 20:59:28
5	Jinx	6599	C#	2017-10-19 19:50:55

#	User	Length	Language	Date
1	Hidden user	500	C++	2022-04-06 11:21:48
2	Herman Karlsson	522	C++	2016-12-29 01:09:02
3	Tomás Cariño	524	C++	2016-12-27 06:01:27
4	Lee Zheng Han	602	C++	2022-12-08 10:06:22
5	Markus Mathiasen	606	C++	2024-06-27 14:34:35
6	Moncef Mhasni	612	C++	2016-08-06 15:21:25
7	Hidden user	613	C++	2024-12-18 05:24:06
8	Vedang Gaonkar	619	C++	2019-09-06 05:12:00
9	Vicky Nguyen	629	C++	2020-12-25 05:51:47
10	William Gan	630	C++	2017-12-19 10:41:56

#	User	Length	Language	Date
1	Julian Duniec	762	Go	2023-09-07 17:42:34
2	Michael Laszlo	1723	Go	2016-10-21 23:01:14

#	User	Length	Language	Date
1	Doug Goodman	621	Java	2018-03-31 15:56:57
2	Michael Volk	823	Java	2019-05-08 04:24:25
3	Tianyu Liu	824	Java	2018-07-03 01:44:08
4	Hidden user	892	Java	2023-03-08 03:30:11
5	Oliver Richardson	897	Java	2016-10-20 21:10:24
6	Bobby Wang	902	Java	2018-01-31 05:53:00
7	Paul Boddington	918	Java	2016-05-14 01:47:24
8	Hidden user	1020	Java	2023-02-21 16:57:42
9	Joel Gritter	1070	Java	2020-10-06 01:28:41
10	Matt Kendzior	1084	Java	2016-01-14 21:11:45

#	User	Length	Language	Date
1	Christian Cederquist	641	JavaScript (SpiderMonkey)	2023-08-15 16:41:42
2	Bjørn Chr. Soltvedt	819	JavaScript (SpiderMonkey)	2016-08-20 18:07:48
3	Michael Laszlo	1603	JavaScript (SpiderMonkey)	2016-10-21 23:01:55
4	Piotr Karpala	3162	JavaScript (SpiderMonkey)	2017-10-20 06:25:27

#	User	Length	Language	Date
1	Timothy Gaede	1190	Julia	2024-09-04 17:57:25

#	User	Length	Language	Date
1	Phường Lên	861	Kotlin	2020-03-16 16:56:30
2	Adam Rankin	1310	Kotlin	2023-09-12 20:49:41
3	Hidden user	1648	Kotlin	2020-03-17 08:37:08

#	User	Length	Language	Date
1	Silvena Lam	1382	PHP	2018-03-04 18:02:53

#	User	Length	Language	Date
1	Matt Bonsall	305	Python 2	2016-10-20 17:31:33
2	Ciara Godwin	418	Python 2	2018-04-05 21:37:54
3	Johan Lyts	462	Python 2	2019-03-29 15:28:24
4	Andreas Björklund	493	Python 2	2021-11-07 18:22:15
5	Jesper Öqvist	536	Python 2	2018-08-23 07:34:55
6	Christian Rachmaninoff	583	Python 2	2016-10-21 02:34:18
7	Martin Wan	631	Python 2	2017-08-11 08:39:12
8	Martin Stensgård	682	Python 2	2016-11-28 03:30:00
9	Johann Ly	689	Python 2	2018-07-09 03:37:14
10	Kyle Verhoog	726	Python 2	2016-02-26 18:50:05

#	User	Length	Language	Date
1	Thomas Feld	117	Python 3	2023-08-22 13:24:21
2	Benjamin Z White	196	Python 3	2023-07-23 22:25:55
3	Rezz Tony Piraman	323	Python 3	2022-12-29 16:42:49
4	Tom Chauvel	382	Python 3	2023-12-30 21:30:34
5	Nicholas Russell Saerang	387	Python 3	2024-01-17 15:23:42
6	Oskar Haarklou Veileborg	389	Python 3	2020-02-07 13:21:19
7	Iman Khodadi	422	Python 3	2022-01-30 08:42:12
8	Matic Hvala	436	Python 3	2021-02-17 13:55:52
9	Alex Lewin	458	Python 3	2020-02-18 03:40:36
10	David Brink	461	Python 3	2017-02-19 11:18:53

#	User	Length	Language	Date
1	Thomas Feld	102	Ruby	2023-08-22 13:08:27
2	Nate Yourchuck	1815	Ruby	2016-08-06 19:53:34

Solution running time distribution