Problem I
Shiritori — Problem Statistics

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Submissions	6166
Accepted submissions	2378
Submission ratio	38.57%
Authors	1794
Accepted authors	1562
Author ratio	87.07%

#	User	Runtime	Language	Date
1	Anton Siderud	0.04 s	C	2023-01-16 19:11:48
2	Jauhar Arifin	0.07 s	C	2023-11-01 02:32:37
3	Omar	0.07 s	C	2024-01-31 00:29:12
4	Luca van Wijngaarden	0.07 s	C	2024-10-16 17:31:25
5	Brenda Anderson	0.08 s	C	2024-08-03 12:20:18
6	Bergur Snorrason	0.09 s	C	2018-11-27 19:03:07
7	Luca van Wijngaarden	0.09 s	C	2025-06-30 19:21:31
8	Payam Mesgari	0.10 s	C	2025-07-02 21:23:58
9	Anton Brondz	0.11 s	C	2022-01-07 16:52:47
10	shiming Li	0.11 s	C	2023-11-20 22:33:41

#	User	Runtime	Language	Date
1	traxex	0.11 s	C#	2024-05-06 17:45:19
2	Umar Rasyid	0.11 s	C#	2025-05-20 05:10:32
3	Tom Ilestrand	0.12 s	C#	2019-02-20 14:49:29
4	Romario HUAMANI PACCAYA	0.12 s	C#	2024-09-22 06:48:01
5	Aman Choudhary	0.13 s	C#	2024-05-01 19:20:21
6	Denys Vega	0.17 s	C#	2021-04-17 05:14:42
7	Göran Andersson	0.19 s	C#	2022-06-12 14:27:53
8	Jan Matthiessen	0.20 s	C#	2020-07-26 20:30:57
9	Mikael Fiala-Lundström	0.20 s	C#	2021-07-02 19:58:49
10	Ali Aliev	0.20 s	C#	2022-01-06 20:21:36

#	User	Runtime	Language	Date
1	Øyvind Almli	0.03 s	C++	2022-08-10 22:55:33
2	Hidden user	0.05 s	C++	2018-11-17 16:51:45
3	Chan Zhi Zheng Amos	0.05 s	C++	2019-03-15 14:48:13
4	Hidden user	0.05 s	C++	2019-10-20 15:52:27
5	Agis Daniels	0.05 s	C++	2020-02-22 00:57:24
6	Hidden user	0.05 s	C++	2020-10-02 09:30:02
7	Leszek Hanusiak	0.05 s	C++	2022-11-11 16:48:38
8	Dali Guerfali	0.05 s	C++	2024-02-08 23:47:06
9	Dmitry Lyubshin	0.06 s	C++	2018-10-23 00:28:44
10	Steven Halim	0.06 s	C++	2018-10-23 09:05:50

#	User	Runtime	Language	Date
1	Hidden user	0.19 s	Common Lisp	2019-06-17 22:54:51
2	Anton Kindestam	0.67 s	Common Lisp	2024-08-13 15:24:35

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.33 s	F#	2023-01-29 20:55:49

#	User	Runtime	Language	Date
1	Pandhu Hutomo Aditya	0.05 s	Go	2023-10-28 12:16:54
2	Hidden user	0.05 s	Go	2023-10-29 07:10:49
3	Hidden user	0.05 s	Go	2023-10-29 07:11:26
4	Charlie Lukman	0.05 s	Go	2023-10-30 06:41:04
5	Hidden user	0.05 s	Go	2023-10-30 15:30:43
6	Muhammad Abdis	0.05 s	Go	2023-11-01 08:13:17
7	Dharma Saputra	0.05 s	Go	2023-11-01 14:39:26
8	Fikri Alwan Ramadhan	0.05 s	Go	2023-12-21 16:29:57
9	Nugra Zurus	0.05 s	Go	2023-12-27 06:05:28
10	Joshua Silva	0.05 s	Go	2024-09-18 05:11:44

#	User	Runtime	Language	Date
1	Hidden user	0.17 s	Haskell	2022-07-28 17:04:46
2	Øyvind Almli	0.21 s	Haskell	2022-03-13 19:17:20
3	Steinar Simonnes	0.21 s	Haskell	2024-05-11 18:56:13
4	Hidden user	0.27 s	Haskell	2021-11-13 10:58:14
5	Mason Barnhill	0.36 s	Haskell	2023-05-27 07:51:39
6	Qi Ji	1.80 s	Haskell	2019-02-23 19:15:47

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.15 s	Java	2022-03-26 17:34:26
2	Samuel Klingström	0.21 s	Java	2018-12-09 00:20:57
3	Shakeel Samsudeen	0.23 s	Java	2018-11-22 05:21:49
4	Vinh Nguyễn Quang	0.24 s	Java	2018-10-23 06:19:01
5	David Mellin	0.27 s	Java	2018-10-24 16:19:27
6	Khánh Nguyễn Tiến	0.28 s	Java	2018-10-23 05:46:51
7	Nam Phan Thành	0.28 s	Java	2018-10-23 08:44:23
8	Nguyễn Mạnh Phúc	0.28 s	Java	2018-10-24 17:00:04
9	Brent Yorgey	0.28 s	Java	2018-10-25 13:10:41
10	Liam Keliher	0.28 s	Java	2019-11-07 03:31:57

#	User	Runtime	Language	Date
1	Arthur Olga	0.20 s	JavaScript (Node.js)	2025-05-16 15:02:03
2	Laisa das Neves Costa	0.20 s	JavaScript (Node.js)	2025-05-16 16:24:57
3	Mas Eka Setiawan	0.21 s	JavaScript (Node.js)	2023-10-28 18:31:49
4	Juthi Sarker Aka	0.21 s	JavaScript (Node.js)	2024-05-04 12:45:27
5	Antonio Luiz Weingartner Junior	0.21 s	JavaScript (Node.js)	2025-05-16 14:37:27
6	Pedro Hiro Sato	0.21 s	JavaScript (Node.js)	2025-05-16 15:36:02
7	Marlon Dener	0.21 s	JavaScript (Node.js)	2025-05-16 16:35:34
8	Nicolas Guadagno	0.25 s	JavaScript (Node.js)	2025-05-16 14:40:33
9	Gian Ortiz	0.29 s	JavaScript (Node.js)	2025-05-16 14:29:37
10	João Benevides	0.29 s	JavaScript (Node.js)	2025-05-16 16:12:56

#	User	Runtime	Language	Date
1	Benjamin Eli van Rhee	0.20 s	JavaScript (SpiderMonkey)	2024-10-01 06:23:18
2	Christian Cederquist	0.21 s	JavaScript (SpiderMonkey)	2023-03-25 15:13:59
3	Bjørn Chr. Soltvedt	0.31 s	JavaScript (SpiderMonkey)	2018-10-25 00:22:52

#	User	Runtime	Language	Date
1	Noszály Csaba	0.34 s	Julia	2025-04-13 10:51:17
2	Timothy Gaede	0.54 s	Julia	2024-04-23 21:02:38
3	Danny Robinson	0.56 s	Julia	2023-09-07 21:02:55

#	User	Runtime	Language	Date
1	Adam Koprowski	0.37 s	Kotlin	2020-08-29 22:58:28
2	Johnny Baloney	0.37 s	Kotlin	2022-01-15 20:27:53
3	Jacob Huebner	0.39 s	Kotlin	2020-04-19 07:14:54
4	James WIlliams	0.39 s	Kotlin	2020-12-24 09:22:24
5	Hidden user	0.40 s	Kotlin	2020-02-20 10:17:59
6	Adam Rankin	0.67 s	Kotlin	2023-09-11 05:38:44
7	Zaw Myat	0.68 s	Kotlin	2024-01-26 09:45:05
8	Aniket Kumar	0.72 s	Kotlin	2024-05-01 16:04:22
9	Marit van Dijk	0.74 s	Kotlin	2019-02-05 21:03:44
10	Matthew Lutze	0.76 s	Kotlin	2019-09-30 02:21:08

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.13 s	Pascal	2018-12-10 20:35:25

#	User	Runtime	Language	Date
1	Manvi Savani	0.06 s	PHP	2024-05-02 15:25:07

#	User	Runtime	Language	Date
1	Ciara Godwin	0.08 s	Python 2	2018-10-26 21:44:23
2	Hermon Mulat	0.08 s	Python 2	2019-02-05 04:29:32
3	Thomas Vu	0.08 s	Python 2	2019-03-06 01:26:06
4	Frederik Haagensen	0.08 s	Python 2	2019-03-08 09:25:07
5	Jesper Öqvist	0.10 s	Python 2	2018-10-23 01:12:31
6	Aarav Singh	0.10 s	Python 2	2018-10-24 04:41:29
7	Jesse Raphael	0.10 s	Python 2	2018-11-12 16:48:15
8	Johann Ly	0.10 s	Python 2	2018-12-01 07:15:16
9	Maj Stenmark	0.10 s	Python 2	2018-12-02 20:43:07
10	Godmar Back	0.10 s	Python 2	2019-01-01 03:16:29

#	User	Runtime	Language	Date
1	Ram Basnet	0.08 s	Python 3	2018-11-02 05:48:35
2	Thomas Vu	0.08 s	Python 3	2019-03-06 01:12:52
3	Duane Littleton	0.09 s	Python 3	2019-04-26 18:25:44
4	Joshua Coward	0.10 s	Python 3	2019-11-13 02:06:24
5	Petr	0.10 s	Python 3	2024-12-16 08:16:48
6	Kasra Ghodsi	0.11 s	Python 3	2018-10-26 02:07:06
7	Marcel Rød	0.11 s	Python 3	2019-07-24 18:54:55
8	Enzio Kam Hai Hong	0.11 s	Python 3	2019-07-27 09:54:53
9	Firman Syah	0.11 s	Python 3	2024-12-02 13:58:00
10	Nicholas Russell Saerang	0.11 s	Python 3	2025-03-09 14:07:28

#	User	Runtime	Language	Date
1	Hidden user	0.17 s	Ruby	2019-11-14 23:03:20
2	Macdara mac an tSionnaigh	0.18 s	Ruby	2019-11-02 20:11:03
3	Miorel Palii	0.19 s	Ruby	2018-11-04 00:59:43
4	Thomas Feld	0.20 s	Ruby	2023-05-25 12:32:11

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2025-06-02 01:30:08
2	Hidden user	0.05 s	Rust	2022-07-12 13:28:21
3	Nugra Zurus	0.05 s	Rust	2023-12-27 06:39:13
4	Anton Kindestam	0.05 s	Rust	2024-08-13 15:21:04
5	Eric Pinter	0.06 s	Rust	2020-07-30 07:00:42
6	David Rasch	0.06 s	Rust	2020-09-14 10:53:43
7	Bas Dirks	0.06 s	Rust	2022-01-19 10:25:01
8	David Zacek	0.06 s	Rust	2022-02-12 18:22:25
9	Reis Faar	0.06 s	Rust	2023-09-26 07:53:16
10	poppyer	0.07 s	Rust	2022-03-14 04:05:29

#	User	Length	Language	Date
1	Paxton DeWitt	1296	C	2023-11-22 05:31:45
2	shiming Li	1343	C	2023-11-20 22:33:41
3	Dina Kazzoun	1387	C	2023-11-16 19:28:09
4	Xander Levine	1426	C	2023-11-18 22:31:13
5	Luca van Wijngaarden	1743	C	2025-06-30 19:21:31
6	Luca van Wijngaarden	1757	C	2024-10-16 17:55:40
7	Felipe Min	1798	C	2023-11-22 00:39:00
8	Jordi Maldonado	1903	C	2023-11-21 22:29:46
9	Ben Huynh	1903	C	2023-11-22 05:41:34
10	Ivanna Socarras	1947	C	2023-11-19 03:12:34

#	User	Length	Language	Date
1	traxex	428	C#	2024-05-06 17:45:19
2	Göran Andersson	827	C#	2022-06-12 14:27:53
3	Ali Aliev	849	C#	2022-01-06 20:37:25
4	Jon Skranes	888	C#	2022-01-07 00:51:14
5	Denys Vega	926	C#	2021-04-17 05:23:34
6	Logan Christopher	946	C#	2022-09-07 04:21:13
7	Tom Ilestrand	1050	C#	2019-04-12 10:33:36
8	Frankie Chen	1096	C#	2019-07-10 17:34:27
9	Umar Rasyid	1163	C#	2025-05-20 05:10:32
10	Romario HUAMANI PACCAYA	1215	C#	2024-09-22 06:48:01

#	User	Length	Language	Date
1	Jesper Bech Christensen	234	C++	2022-09-08 14:24:57
2	Hidden user	364	C++	2020-03-16 00:23:37
3	Zane Yu	367	C++	2019-01-15 14:53:57
4	Mohsen Mahroos	377	C++	2023-04-19 22:43:39
5	Anna Roczek	378	C++	2023-07-28 11:54:53
6	Mustefa Kamil	387	C++	2020-12-25 18:31:43
7	Mathias Gernez	388	C++	2023-02-23 14:13:34
8	Jun Yan	394	C++	2024-08-02 04:06:25
9	Hidden user	406	C++	2019-01-03 15:23:30
10	Amine Amllal	408	C++	2023-12-07 12:23:55

#	User	Length	Language	Date
1	Hidden user	546	Common Lisp	2019-06-14 04:59:22
2	Anton Kindestam	741	Common Lisp	2024-08-13 15:24:35

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	750	F#	2023-01-29 20:53:58

#	User	Length	Language	Date
1	Norbert Voelker	594	Go	2021-08-25 12:45:49
2	Joshua Silva	605	Go	2024-09-18 05:11:44
3	Charlie Lukman	606	Go	2023-10-30 06:41:04
4	Dharma Saputra	608	Go	2023-11-01 14:39:26
5	Muhammad Abdis	611	Go	2023-11-01 08:13:17
6	Hidden user	643	Go	2023-10-29 07:10:49
7	Hidden user	643	Go	2023-10-29 07:11:26
8	Farid Widyatama	671	Go	2023-10-30 02:38:52
9	Pandhu Hutomo Aditya	787	Go	2023-10-28 12:16:54
10	Ade Hendra	788	Go	2023-10-30 11:52:51

#	User	Length	Language	Date
1	Qi Ji	524	Haskell	2019-02-23 19:19:45
2	Øyvind Almli	596	Haskell	2023-07-12 13:16:39
3	Mason Barnhill	700	Haskell	2023-05-27 07:51:39
4	Hidden user	785	Haskell	2021-11-13 10:58:14
5	Steinar Simonnes	832	Haskell	2024-05-11 18:56:13
6	Hidden user	1016	Haskell	2022-07-28 17:28:21

#	User	Length	Language	Date
1	Sam Huynh	515	Java	2021-10-13 06:49:42
2	Daniel Sutantyo	634	Java	2021-10-15 08:13:13
3	Doug Goodman	643	Java	2019-09-14 20:42:45
4	David Mellin	654	Java	2018-10-24 16:08:38
5	Marshall D Feng	675	Java	2022-03-20 01:34:50
6	Emilie Hyslop	683	Java	2021-10-15 08:07:59
7	Jolyn Tan	686	Java	2020-05-04 17:11:59
8	Markus Bao	693	Java	2024-01-08 02:11:42
9	Yuki Okamoto	703	Java	2022-11-15 23:58:08
10	Rf Schmiermann	706	Java	2019-09-07 17:45:09

#	User	Length	Language	Date
1	Quinn Flavel	442	JavaScript (Node.js)	2020-11-13 01:00:28
2	Laisa das Neves Costa	667	JavaScript (Node.js)	2025-05-16 16:25:45
3	João Benevides	773	JavaScript (Node.js)	2025-05-16 16:12:56
4	Paulo Uilian	821	JavaScript (Node.js)	2025-05-16 15:06:40
5	Pedro Hiro Sato	864	JavaScript (Node.js)	2025-05-16 15:36:02
6	Ster Sar	889	JavaScript (Node.js)	2023-04-28 11:09:41
7	Nicolas Guadagno	953	JavaScript (Node.js)	2025-05-16 14:40:33
8	Peter Kedemo	986	JavaScript (Node.js)	2019-12-30 00:01:16
9	Mas Eka Setiawan	1047	JavaScript (Node.js)	2023-10-28 18:31:49
10	Oliver Bredenberg	1066	JavaScript (Node.js)	2019-09-02 14:43:40

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	340	JavaScript (SpiderMonkey)	2018-10-25 00:22:52
2	Christian Cederquist	482	JavaScript (SpiderMonkey)	2023-03-25 15:13:59
3	Benjamin Eli van Rhee	1235	JavaScript (SpiderMonkey)	2024-10-01 06:23:18

#	User	Length	Language	Date
1	Danny Robinson	160	Julia	2023-09-07 21:02:55
2	Noszály Csaba	183	Julia	2025-04-13 10:51:17
3	Timothy Gaede	586	Julia	2024-04-23 21:02:38

#	User	Length	Language	Date
1	Phường Lên	456	Kotlin	2020-02-21 06:06:43
2	Adam Rankin	520	Kotlin	2023-09-11 05:38:44
3	Jacob Huebner	605	Kotlin	2020-04-19 07:14:54
4	Marit van Dijk	608	Kotlin	2019-02-05 21:03:44
5	Aniket Kumar	659	Kotlin	2024-05-01 16:04:22
6	Matthew Lutze	712	Kotlin	2019-09-30 02:21:08
7	Adam Koprowski	781	Kotlin	2020-08-29 22:58:28
8	Johnny Baloney	816	Kotlin	2022-01-15 20:27:53
9	Hidden user	961	Kotlin	2020-02-20 10:17:59
10	Thanh Le	1171	Kotlin	2020-09-21 06:46:16

#	User	Length	Language	Date
1	Ingemar Ragnemalm	9106	Pascal	2018-12-10 20:35:25

#	User	Length	Language	Date
1	Manvi Savani	1322	PHP	2024-05-02 15:25:07

#	User	Length	Language	Date
1	Thomas Feld	214	Python 2	2019-11-11 14:33:28
2	Andreas Björklund	258	Python 2	2019-10-10 19:29:37
3	Johan Lyts	282	Python 2	2019-07-18 21:51:03
4	Jesper Öqvist	293	Python 2	2018-10-23 01:12:31
5	Lars Åström	294	Python 2	2020-03-12 13:53:29
6	Maj Stenmark	321	Python 2	2018-12-02 20:43:07
7	Aryan Rezanejad	331	Python 2	2019-08-31 15:01:33
8	Hidden user	338	Python 2	2019-08-01 18:39:10
9	Jesse Raphael	358	Python 2	2018-11-12 16:48:15
10	Godmar Back	365	Python 2	2019-01-01 03:16:29

#	User	Length	Language	Date
1	Guk Yi Siong	158	Python 3	2023-08-11 14:09:59
2	Lee Isaac	166	Python 3	2023-05-28 07:36:21
3	Hidden user	177	Python 3	2023-05-25 04:10:22
4	Ahmed Chamseddine	179	Python 3	2024-09-23 10:52:59
5	a_b__c	196	Python 3	2021-01-08 09:55:00
6	Thibault Raffaillac	204	Python 3	2020-02-26 22:36:38
7	Farzam Abrishami	212	Python 3	2024-02-02 22:45:41
8	Tai Tze Kin	213	Python 3	2024-05-03 22:54:55
9	Eren Saglam	219	Python 3	2021-11-06 01:34:47
10	Ryoki Kunii	222	Python 3	2020-10-15 17:35:18

#	User	Length	Language	Date
1	Thomas Feld	96	Ruby	2023-05-25 12:45:48
2	Hidden user	371	Ruby	2019-10-31 15:37:07
3	Miorel Palii	378	Ruby	2018-11-04 00:59:43
4	Macdara mac an tSionnaigh	415	Ruby	2019-11-02 20:11:03

#	User	Length	Language	Date
1	Bas Dirks	618	Rust	2022-01-19 10:25:01
2	Simon Hallefält	738	Rust	2023-09-09 13:52:24
3	Reis Faar	809	Rust	2023-09-26 07:53:16
4	David Zacek	876	Rust	2022-02-12 18:22:25
5	poppyer	941	Rust	2022-03-14 04:05:29
6	David Rasch	955	Rust	2020-09-14 10:53:43
7	Anton Kindestam	999	Rust	2024-08-13 15:44:50
8	Nugra Zurus	1097	Rust	2023-12-27 06:14:47
9	Hidden user	1212	Rust	2022-07-12 13:28:21
10	Hidden user	1217	Rust	2025-03-08 23:13:14

Solution running time distribution