Problem F
I Can Guess the Data Structure! — Problem Statistics

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Submissions	26579
Accepted submissions	7683
Submission ratio	28.91%
Authors	5830
Full solves [?]	5014
Full solve Ratio	86.00%

#	User	Runtime	Language	Date
1	Marcus Ramse	0.00 s	C	2017-08-29 16:08:19
2	Ehsan Shoja	0.00 s	C	2018-06-08 15:07:24
3	Flep	0.00 s	C	2020-02-21 13:43:35
4	Ioannis Br	0.00 s	C	2020-06-30 01:21:51
5	Anton Siderud	0.00 s	C	2021-04-18 10:26:44
6	Johan Larsson	0.00 s	C	2022-08-05 12:22:26
7	Hidden user	0.01 s	C	2016-05-10 20:05:51
8	Marius Macijauskas	0.01 s	C	2016-10-01 12:00:08
9	Dan Anderson	0.01 s	C	2017-01-29 02:14:27
10	Simon Hsu	0.01 s	C	2017-01-31 05:45:00

#	User	Runtime	Language	Date
1	Przemysław Curzytek	0.06 s	C#	2016-12-22 23:38:46
2	Julius Häger	0.06 s	C#	2019-12-01 18:19:38
3	Raja Sanjeev Kumar Nakka	0.07 s	C#	2016-04-27 20:47:16
4	Aleksas Legačinskas	0.07 s	C#	2016-10-01 10:55:01
5	Thomas Norris	0.07 s	C#	2019-06-25 07:48:57
6	Denys Vega	0.07 s	C#	2021-04-18 21:09:26
7	masosz	0.08 s	C#	2015-02-03 19:52:31
8	Mads Storm Hansen	0.08 s	C#	2015-07-25 18:25:37
9	Tom Inis	0.08 s	C#	2016-10-01 08:10:25
10	Elijas Dapšauskas	0.08 s	C#	2016-10-01 09:14:23

#	User	Runtime	Language	Date
1	Norbert Voelker	0.03 s	Go	2023-05-27 12:46:02
2	Nathan Lee	0.04 s	Go	2025-09-06 16:18:07
3	Péter Szakszon	0.05 s	Go	2021-12-13 17:04:46
4	Erik Rairden	0.06 s	Go	2020-10-29 07:56:51
5	Krzysztof Gibuła	0.07 s	Go	2021-03-21 13:57:25
6	James Robb	0.09 s	Go	2020-04-29 13:18:14
7	James Robb	0.15 s	Go	2020-05-12 10:07:03
8	Abdurrachman Habibi	0.23 s	Go	2020-11-14 03:05:48
9	Việt Hà Nguyễn	0.28 s	Go	2016-06-24 15:19:17
10	Hidden user	0.60 s	Go	2021-09-10 18:49:06

#	User	Runtime	Language	Date
1	Blake Hyde	0.07 s	Haskell	2016-06-12 18:29:30
2	Jesper Sandström	0.08 s	Haskell	2018-01-26 21:41:18
3	Dan Greco	0.08 s	Haskell	2025-09-09 18:05:06
4	Abel Martin	0.12 s	Haskell	2017-04-01 17:00:24
5	Birk Tjelmeland	0.13 s	Haskell	2018-01-10 21:40:07
6	Mason Anderson	0.14 s	Haskell	2021-04-20 23:14:15
7	Phan Ngọc Tiên	0.15 s	Haskell	2022-03-29 06:29:25
8	Markus Läll	0.16 s	Haskell	2015-02-18 21:14:12
9	Patrik Lilja	0.16 s	Haskell	2015-12-20 12:53:57
10	Hidden user	0.75 s	Haskell	2021-11-13 11:11:32

#	User	Runtime	Language	Date
1	Asmus Tørsleff	0.08 s	Java	2021-03-22 23:15:27
2	Clement Oh	0.08 s	Java	2022-07-17 10:20:10
3	Sven Rönnbäck	0.09 s	Java	2023-05-04 15:10:56
4	Joakim Sunde	0.11 s	Java	2018-09-28 01:06:04
5	Eric Ly	0.12 s	Java	2015-08-26 17:14:31
6	Nguyễn Hùng Cường	0.12 s	Java	2018-08-31 03:22:25
7	Khánh Nguyễn Tiến	0.12 s	Java	2018-08-31 05:55:19
8	Yin Chun Fung	0.14 s	Java	2021-01-29 05:05:08
9	Joachim Borup	0.14 s	Java	2021-04-13 23:38:36
10	Chen Shenghao	0.15 s	Java	2019-02-12 08:38:49

#	User	Runtime	Language	Date
1	Duncan Adkins	0.20 s	JavaScript (Node.js)	2025-09-15 14:30:26
2	Gurpartap Singh Bhatti	0.26 s	JavaScript (Node.js)	2019-06-14 03:06:46
3	Hebert Albertin	0.32 s	JavaScript (Node.js)	2024-05-23 23:43:13
4	sai teja	0.61 s	JavaScript (Node.js)	2020-04-08 01:47:55
5	Christopher Walther	0.67 s	JavaScript (Node.js)	2021-04-16 21:45:34
6	Stephanie Keck	0.78 s	JavaScript (Node.js)	2020-01-31 01:23:58

#	User	Runtime	Language	Date
1	Peter Kedemo	0.06 s	JavaScript (SpiderMonkey)	2015-12-29 14:55:22
2	Bjørn Chr. Soltvedt	0.06 s	JavaScript (SpiderMonkey)	2016-04-23 11:40:45
3	Jimmy Gustafsson	0.08 s	JavaScript (SpiderMonkey)	2022-06-07 15:39:05
4	Christian Pilegaard Cederquist	0.08 s	JavaScript (SpiderMonkey)	2023-03-10 18:47:51
5	Asai Yuki	0.14 s	JavaScript (SpiderMonkey)	2020-04-04 03:10:08

#	User	Runtime	Language	Date
1	Felis Sedano Luo Yi	0.72 s	Julia	2023-09-15 17:57:59
2	Timothy Gaede	0.78 s	Julia	2024-06-19 08:40:44

#	User	Runtime	Language	Date
1	Jacob Huebner	0.38 s	Kotlin	2020-03-17 04:44:01
2	Hidden user	0.39 s	Kotlin	2019-12-16 11:10:27
3	Roy Liu	0.47 s	Kotlin	2023-07-12 19:56:29
4	Jesper Bech Christensen	0.51 s	Kotlin	2023-09-24 19:50:12
5	Phường Lên	0.52 s	Kotlin	2020-04-06 03:00:41
6	Adam Rankin	0.52 s	Kotlin	2023-05-04 04:48:18
7	Grim Persson Schjetne	0.64 s	Kotlin	2021-04-18 13:36:59
8	Mohamadhassan Ebrahimi	0.65 s	Kotlin	2019-10-29 13:52:49
9	Dmitry Shostak	0.66 s	Kotlin	2019-08-26 15:18:36
10	Ryan Servera	0.66 s	Kotlin	2020-01-29 04:32:36

#	User	Runtime	Language	Date
1	Caleb Austin	0.07 s	Lua	2024-09-07 23:31:53

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.01 s	Pascal	2019-09-06 11:28:31
2	Joseph Chau	0.01 s	Pascal	2024-01-30 09:36:59

#	User	Runtime	Language	Date
1	Hidden user	0.09 s	Python 2	2017-09-22 02:32:38
2	Shatil Rahman	0.10 s	Python 2	2017-09-21 01:54:32
3	Rashik Habib	0.10 s	Python 2	2017-09-24 06:33:46
4	Yashen Taher	0.10 s	Python 2	2018-01-25 10:56:33
5	Sigurður Jens Albertsson	0.12 s	Python 2	2017-11-23 12:22:39
6	Miguel Alfageme Sanchez	0.13 s	Python 2	2017-01-12 05:00:14
7	Car Sheno	0.13 s	Python 2	2018-01-28 21:30:36
8	Irene Zhang	0.14 s	Python 2	2017-09-17 07:18:44
9	Etienne Guillot-Marquet	0.14 s	Python 2	2017-09-22 12:23:34
10	Boyuan Deng	0.14 s	Python 2	2019-10-05 22:22:02

#	User	Runtime	Language	Date
1	Wayne	0.08 s	Python 3	2016-05-30 10:36:01
2	Nathaniel Holeksa	0.08 s	Python 3	2019-09-22 18:27:34
3	Jason Hwang	0.08 s	Python 3	2019-10-05 21:23:15
4	Johan Grundberg	0.08 s	Python 3	2019-10-19 08:08:30
5	Tilen	0.09 s	Python 3	2015-08-14 15:43:34
6	James Lawson	0.09 s	Python 3	2019-03-30 20:24:34
7	Hidden user	0.09 s	Python 3	2019-09-29 16:09:14
8	Graham Gott	0.09 s	Python 3	2019-10-16 19:40:03
9	Charley Sheaffer	0.09 s	Python 3	2019-11-10 22:36:20
10	Zachary Boone	0.09 s	Python 3	2019-11-19 21:39:31

#	User	Runtime	Language	Date
1	Casper Christensen	0.10 s	Ruby	2016-02-25 13:25:46
2	Macdara mac an tSionnaigh	0.12 s	Ruby	2019-10-26 21:08:51
3	Hidden user	0.13 s	Ruby	2017-01-12 18:59:40

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-02-02 17:15:52
2	Egor Kulikov	0.00 s	Rust	2024-10-10 15:12:07
3	ersode	0.01 s	Rust	2019-02-13 00:27:23
4	Fabian Andréasson	0.01 s	Rust	2021-04-07 20:18:27
5	Muhammad Rais Fathin Mudzakir	0.01 s	Rust	2021-05-04 23:22:48
6	Aaron Lengyel	0.01 s	Rust	2021-11-17 04:45:20
7	Akemi Izuko	0.01 s	Rust	2022-09-10 05:26:48
8	Christofer Nolander	0.02 s	Rust	2018-12-01 05:05:34
9	Chaoyi Yin	0.02 s	Rust	2019-01-31 02:32:44
10	Florian Nagel	0.02 s	Rust	2019-11-04 11:43:42

#	User	Runtime	Language	Date
1	Joe Blower	0.00 s	Zig	2025-05-26 00:18:08

#	User	Length	Language	Date
1	Zeta Walker	1171	C	2022-10-24 05:38:23
2	Dylan Gregory	1870	C	2022-04-21 00:43:16
3	李得地	1870	C	2025-06-01 06:01:17
4	Ali Baaba	1954	C	2021-11-24 06:51:57
5	Mikael K Eriksson	1974	C	2021-02-01 10:42:11
6	Naveen Kumar S	1978	C	2025-04-23 13:27:08
7	Kayla Marcantonio	2007	C	2021-11-29 21:38:31
8	Kyle Dade	2081	C	2021-11-24 15:10:45
9	Kyle Wensloff	2081	C	2021-11-24 15:14:58
10	Yahya Abovat	2117	C	2021-11-25 04:24:48

#	User	Length	Language	Date
1	Nathan Andrews	1735	C#	2024-09-02 00:45:35
2	Hallvard Braaten	1796	C#	2017-02-22 18:22:00
3	Marcellus Mohanna	1823	C#	2020-05-08 20:00:36
4	Marius Løkketangen	1950	C#	2017-02-22 18:26:34
5	Gustav Bech Henriksen	2232	C#	2022-06-27 18:34:21
6	Raja Sanjeev Kumar Nakka	2331	C#	2016-04-27 20:47:16
7	Aleksas Legačinskas	2706	C#	2016-10-01 10:55:01
8	권의현	3051	C#	2019-11-12 00:56:47
9	Samuel Leclerc	3188	C#	2021-01-08 21:19:46
10	Alex Laurila	3240	C#	2023-05-20 16:42:34

#	User	Length	Language	Date
1	Herman Karlsson	677	C++	2015-10-13 07:08:10
2	鹿目圆	730	C++	2019-03-18 06:45:06
3	William Gan	744	C++	2017-02-03 16:52:55
4	traxex	752	C++	2021-11-27 19:47:25
5	Hidden user	768	C++	2021-01-25 13:20:57
6	Way Tan	770	C++	2018-12-05 19:27:34
7	Izzati Al Vandiar	773	C++	2016-03-12 04:22:50
8	Michele Ghilardi	779	C++	2021-11-08 17:17:30
9	Reginald Frank	786	C++	2019-02-02 17:22:06
10	Lim An Jun	788	C++	2023-02-11 15:05:21

#	User	Length	Language	Date
1	Scott Dauer	1759	Go	2020-03-31 04:57:29
2	Hidden user	1801	Go	2021-09-10 18:49:06
3	Norbert Voelker	2086	Go	2021-09-09 20:34:08
4	Krzysztof Gibuła	2405	Go	2021-03-21 13:57:25
5	Nikolaj Dybdahl Rathcke	2518	Go	2023-05-10 12:09:14
6	Việt Hà Nguyễn	2524	Go	2016-06-24 15:19:17
7	Lucas Gabriel Sánchez	2587	Go	2021-11-25 20:54:40
8	Abdurrachman Habibi	2706	Go	2020-11-14 03:05:48
9	Nathan Lee	3055	Go	2025-09-06 16:18:07
10	James Robb	3608	Go	2020-04-29 13:18:14

#	User	Length	Language	Date
1	Dan Greco	1366	Haskell	2025-09-09 18:05:06
2	Blake Hyde	1445	Haskell	2016-06-12 18:29:30
3	Mason Anderson	1460	Haskell	2021-04-20 23:14:15
4	Jesper Sandström	1951	Haskell	2018-01-26 21:41:18
5	Abel Martin	1991	Haskell	2017-04-01 17:00:24
6	Birk Tjelmeland	2131	Haskell	2018-01-10 21:40:07
7	Patrik Lilja	2181	Haskell	2015-12-20 12:53:57
8	Markus Läll	2754	Haskell	2015-02-18 21:14:12
9	Hidden user	16457	Haskell	2021-11-13 11:11:32
10	Phan Ngọc Tiên	34422	Haskell	2022-03-29 06:31:52

#	User	Length	Language	Date
1	Duncan Page	1120	Java	2019-09-09 21:49:06
2	Yeung Man Tsung	1185	Java	2022-07-26 14:54:24
3	Ethan Macdonald	1188	Java	2016-10-02 02:25:15
4	Gabriela Llave	1252	Java	2015-08-26 19:23:47
5	Ethan Wipond	1255	Java	2017-10-05 21:33:25
6	Albert Luu	1258	Java	2015-11-26 01:50:51
7	Ong Wei Hong	1278	Java	2022-07-12 22:52:55
8	Michael Liu	1291	Java	2018-07-27 14:33:00
9	Stephen Royal	1292	Java	2015-08-19 14:07:53
10	Mamnoon Sami	1309	Java	2021-06-30 14:19:44

#	User	Length	Language	Date
1	sai teja	1702	JavaScript (Node.js)	2020-04-08 01:47:55
2	Hebert Albertin	2243	JavaScript (Node.js)	2024-05-23 23:43:13
3	Gurpartap Singh Bhatti	2374	JavaScript (Node.js)	2019-06-14 03:06:46
4	Duncan Adkins	2421	JavaScript (Node.js)	2025-09-15 14:30:26
5	Christopher Walther	3665	JavaScript (Node.js)	2021-04-16 19:29:27
6	Stephanie Keck	12796	JavaScript (Node.js)	2020-01-31 01:23:58

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	1052	JavaScript (SpiderMonkey)	2016-04-23 11:40:45
2	Peter Kedemo	1165	JavaScript (SpiderMonkey)	2015-12-29 14:55:22
3	Christian Pilegaard Cederquist	1189	JavaScript (SpiderMonkey)	2023-03-10 18:47:51
4	Jimmy Gustafsson	1230	JavaScript (SpiderMonkey)	2022-06-07 15:39:05
5	Asai Yuki	1484	JavaScript (SpiderMonkey)	2020-04-04 03:10:08

#	User	Length	Language	Date
1	Felis Sedano Luo Yi	1726	Julia	2023-09-15 17:57:59
2	Timothy Gaede	2257	Julia	2024-06-19 08:40:44

#	User	Length	Language	Date
1	Lewis Johnson	1232	Kotlin	2023-09-11 23:25:10
2	Jesper Bech Christensen	1251	Kotlin	2023-09-24 19:50:12
3	Lukas Miedema	1473	Kotlin	2018-10-25 22:43:25
4	Mohamadhassan Ebrahimi	1497	Kotlin	2019-10-29 13:52:49
5	Adam Rankin	1515	Kotlin	2023-05-04 04:48:18
6	Mohsen Dehbashi	1562	Kotlin	2019-10-28 05:13:46
7	Roy Liu	1709	Kotlin	2023-07-12 19:55:36
8	Chris Johnson	1849	Kotlin	2023-09-11 23:09:07
9	Eric Huynh	1935	Kotlin	2019-02-01 18:26:06
10	Ryan Servera	2113	Kotlin	2020-01-29 04:32:36

#	User	Length	Language	Date
1	Caleb Austin	2630	Lua	2024-09-07 23:31:53

#	User	Length	Language	Date
1	Ingemar Ragnemalm	3260	Pascal	2019-09-06 11:28:31
2	Joseph Chau	4130	Pascal	2024-01-30 09:36:59

#	User	Length	Language	Date
1	Thomas Feld	545	Python 2	2019-08-19 14:50:55
2	Andreas Björklund	770	Python 2	2020-03-06 18:22:14
3	Olav Røthe Bakken	839	Python 2	2019-09-25 16:35:52
4	Lars Åström	871	Python 2	2018-11-02 22:32:07
5	Nathan Villanueva	905	Python 2	2017-04-28 21:57:10
6	Michael Laszlo	967	Python 2	2017-12-27 02:59:14
7	Shishir Sharma	1030	Python 2	2019-09-16 22:15:50
8	Car Sheno	1044	Python 2	2018-01-28 21:30:36
9	Andree Kaba	1062	Python 2	2018-09-28 18:23:56
10	Miguel Alfageme Sanchez	1071	Python 2	2017-01-12 05:00:14

#	User	Length	Language	Date
1	Simon Hellsten	305	Python 3	2023-07-02 20:53:13
2	Isak Nyberg	333	Python 3	2023-07-01 09:53:13
3	Hidden user	334	Python 3	2023-05-23 18:40:44
4	Harry Zhang	405	Python 3	2023-06-05 13:54:46
5	JY Loh	410	Python 3	2022-11-16 15:54:36
6	Farzam Abrishami	607	Python 3	2023-07-01 22:47:24
7	Asger Hautop Drewsen	648	Python 3	2015-11-21 00:56:27
8	Vincent Scala	701	Python 3	2019-11-19 21:52:08
9	David Holcer	720	Python 3	2021-09-16 00:56:39
10	Steffen Andrè Grønmo	734	Python 3	2019-10-07 17:48:55

#	User	Length	Language	Date
1	Casper Christensen	765	Ruby	2016-02-25 13:25:46
2	Hidden user	1424	Ruby	2017-01-12 18:59:40
3	Macdara mac an tSionnaigh	2412	Ruby	2019-10-26 21:08:51

#	User	Length	Language	Date
1	Artur Khuziakhmetov	1135	Rust	2023-08-07 15:16:21
2	David Rasch	1427	Rust	2021-05-04 15:20:05
3	Markus Videfors	1730	Rust	2020-12-03 17:00:39
4	Lukas Viering	1953	Rust	2025-02-26 20:10:40
5	Eric Pinter	2007	Rust	2021-05-31 03:39:23
6	Oskar Eriksson	2019	Rust	2023-12-22 19:24:26
7	Isak Jägberg	2040	Rust	2023-04-19 08:55:22
8	Bas Dirks	2048	Rust	2022-01-28 06:12:45
9	Melker Forsberg	2227	Rust	2023-06-29 15:21:37
10	Thomas Hügel	2248	Rust	2020-12-29 08:15:31

#	User	Length	Language	Date
1	Joe Blower	2582	Zig	2025-05-26 00:18:08

Solution running time distribution