Problem A
I Can Guess the Data Structure!

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Problem statistics

Submissions	23000
Accepted submissions	6580
Submission ratio	28.61%
Authors	4896
Accepted authors	4171
Author ratio	85.19%

#	User	Runtime	Date
1	Marcus Ramse	0.00 s	2017-08-29 18:08:19
2	Ehsan Shoja	0.00 s	2018-06-08 17:07:24
3	Flep	0.00 s	2020-02-21 14:43:35
4	Ioannis Br	0.00 s	2020-06-30 03:21:51
5	Anton Siderud	0.00 s	2021-04-18 12:26:44
6	Johan Larsson	0.00 s	2022-08-05 14:22:26
7	Hidden user	0.01 s	2016-05-10 22:05:51
8	Marius Macijauskas	0.01 s	2016-10-01 14:00:08
9	Dan Anderson	0.01 s	2017-01-29 03:14:27
10	Simon Hsu	0.01 s	2017-01-31 06:45:00

#	User	Runtime	Date
1	Przemysław Curzytek	0.06 s	2016-12-23 00:38:46
2	Julius Häger	0.06 s	2019-12-01 19:19:38
3	Raja Sanjeev Kumar Nakka	0.07 s	2016-04-27 22:47:16
4	Aleksas Legačinskas	0.07 s	2016-10-01 12:55:01
5	Thomas Norris	0.07 s	2019-06-25 09:48:57
6	Denys Vega	0.07 s	2021-04-18 23:09:26
7	masosz	0.08 s	2015-02-03 20:52:31
8	Mads Storm Hansen	0.08 s	2015-07-25 20:25:37
9	Tom Inis	0.08 s	2016-10-01 10:10:25
10	Elijas Dapšauskas	0.08 s	2016-10-01 11:14:23

#	User	Runtime	Date
1	Norbert Voelker	0.03 s	2023-05-27 14:46:02
2	Péter Szakszon	0.05 s	2021-12-13 18:04:46
3	Erik Rairden	0.06 s	2020-10-29 08:56:51
4	Krzysztof Gibuła	0.07 s	2021-03-21 14:57:25
5	James Robb	0.09 s	2020-04-29 15:18:14
6	James Robb	0.15 s	2020-05-12 12:07:03
7	Abdurrachman Habibi	0.23 s	2020-11-14 04:05:48
8	Việt Hà Nguyễn	0.28 s	2016-06-24 17:19:17
9	Hidden user	0.60 s	2021-09-10 20:49:06
10	Lucas Gabriel Sánchez	0.61 s	2021-11-25 21:54:40

#	User	Runtime	Date
1	Blake Hyde	0.07 s	2016-06-12 20:29:30
2	Jesper Sandström	0.08 s	2018-01-26 22:41:18
3	Abel Martin	0.12 s	2017-04-01 19:00:24
4	Birk Tjelmeland	0.13 s	2018-01-10 22:40:07
5	Mason Anderson	0.14 s	2021-04-21 01:14:15
6	Phan Ngọc Tiên	0.15 s	2022-03-29 08:29:25
7	Markus Läll	0.16 s	2015-02-18 22:14:12
8	Patrik Lilja	0.16 s	2015-12-20 13:53:57
9	Hidden user	0.75 s	2021-11-13 12:11:32

#	User	Runtime	Date
1	Asmus Tørsleff	0.08 s	2021-03-23 00:15:27
2	Clement Oh	0.08 s	2022-07-17 12:20:10
3	Sven Rönnbäck	0.09 s	2023-05-04 17:10:56
4	Joakim Sunde	0.11 s	2018-09-28 03:06:04
5	Eric Ly	0.12 s	2015-08-26 19:14:31
6	Nguyễn Hùng Cường	0.12 s	2018-08-31 05:22:25
7	Khánh Nguyễn Tiến	0.12 s	2018-08-31 07:55:19
8	Yin Chun Fung	0.14 s	2021-01-29 06:05:08
9	Joachim Borup	0.14 s	2021-04-14 01:38:36
10	Chen Shenghao	0.15 s	2019-02-12 09:38:49

#	User	Runtime	Date
1	Gurpartap Singh Bhatti	0.26 s	2019-06-14 05:06:46
2	sai teja	0.61 s	2020-04-08 03:47:55
3	Christopher Walther	0.67 s	2021-04-16 23:45:34
4	Stephanie Keck	0.78 s	2020-01-31 02:23:58

#	User	Runtime	Date
1	Peter Kedemo	0.06 s	2015-12-29 15:55:22
2	Bjørn Chr. Soltvedt	0.06 s	2016-04-23 13:40:45
3	Jimmy Gustafsson	0.08 s	2022-06-07 17:39:05
4	Christian Cederquist	0.08 s	2023-03-10 19:47:51
5	Asai Yuki	0.14 s	2020-04-04 05:10:08

#	User	Runtime	Date
1	Felis Sedano Luo Yi	0.72 s	2023-09-15 19:57:59

#	User	Runtime	Date
1	Jacob Huebner	0.38 s	2020-03-17 05:44:01
2	Hidden user	0.39 s	2019-12-16 12:10:27
3	Roy Liu	0.47 s	2023-07-12 21:56:29
4	Jesper Bech Christensen	0.51 s	2023-09-24 21:50:12
5	Phường Lên	0.52 s	2020-04-06 05:00:41
6	Adam Rankin	0.52 s	2023-05-04 06:48:18
7	Grim Schjetne	0.64 s	2021-04-18 15:36:59
8	Mohamadhassan Ebrahimi	0.65 s	2019-10-29 14:52:49
9	Dmitry Shostak	0.66 s	2019-08-26 17:18:36
10	Ryan Servera	0.66 s	2020-01-29 05:32:36

#	User	Runtime	Date
1	Ingemar Ragnemalm	0.01 s	2019-09-06 13:28:31
2	Joseph Chau	0.01 s	2024-01-30 10:36:59

#	User	Runtime	Date
1	Hidden user	0.09 s	2017-09-22 04:32:38
2	Shatil Rahman	0.10 s	2017-09-21 03:54:32
3	Rashik Habib	0.10 s	2017-09-24 08:33:46
4	Yashen Taher	0.10 s	2018-01-25 11:56:33
5	Sigurður Jens Albertsson	0.12 s	2017-11-23 13:22:39
6	Miguel Alfageme Sanchez	0.13 s	2017-01-12 06:00:14
7	Car Sheno	0.13 s	2018-01-28 22:30:36
8	Irene Zhang	0.14 s	2017-09-17 09:18:44
9	Etienne Guillot-Marquet	0.14 s	2017-09-22 14:23:34
10	Boyuan Deng	0.14 s	2019-10-06 00:22:02

#	User	Runtime	Date
1	Wayne	0.08 s	2016-05-30 12:36:01
2	Nathaniel Holeksa	0.08 s	2019-09-22 20:27:34
3	Jason Hwang	0.08 s	2019-10-05 23:23:15
4	Johan Grundberg	0.08 s	2019-10-19 10:08:30
5	Tilen	0.09 s	2015-08-14 17:43:34
6	James Lawson	0.09 s	2019-03-30 21:24:34
7	Hidden user	0.09 s	2019-09-29 18:09:14
8	Graham Gott	0.09 s	2019-10-16 21:40:03
9	Charley Sheaffer	0.09 s	2019-11-10 23:36:20
10	Zachary Boone	0.09 s	2019-11-19 22:39:31

#	User	Runtime	Date
1	Casper Christensen	0.10 s	2016-02-25 14:25:46
2	Macdara mac an tSionnaigh	0.12 s	2019-10-26 23:08:51
3	Hidden user	0.13 s	2017-01-12 19:59:40

#	User	Runtime	Date
1	Vincent Lagerros	0.00 s	2024-02-02 18:15:52
2	ersode	0.01 s	2019-02-13 01:27:23
3	Fabian Andréasson	0.01 s	2021-04-07 22:18:27
4	Muhammad Rais Fathin Mudzakir	0.01 s	2021-05-05 01:22:48
5	Aaron Lengyel	0.01 s	2021-11-17 05:45:20
6	Akemi Izuko	0.01 s	2022-09-10 07:26:48
7	Christofer Nolander	0.02 s	2018-12-01 06:05:34
8	Chaoyi Yin	0.02 s	2019-01-31 03:32:44
9	Florian Nagel	0.02 s	2019-11-04 12:43:42
10	Rickard Mårtensson	0.02 s	2019-11-30 19:44:32

#	User	Length	Date
1	Zeta Walker	1171	2022-10-24 07:38:23
2	Dylan Gregory	1870	2022-04-21 02:43:16
3	Ali Baaba	1954	2021-11-24 07:51:57
4	Mikael K Eriksson	1974	2021-02-01 11:42:11
5	Kayla Marcantonio	2007	2021-11-29 22:38:31
6	Kyle Dade	2081	2021-11-24 16:10:45
7	Kyle Wensloff	2081	2021-11-24 16:14:58
8	Yahya Abovat	2117	2021-11-25 05:24:48
9	Anton Siderud	2132	2021-04-18 12:14:13
10	Ehsan Shoja	2195	2018-06-08 17:07:24

#	User	Length	Date
1	Hallvard Braaten	1796	2017-02-22 19:22:00
2	Marcellus Mohanna	1823	2020-05-08 22:00:36
3	Marius Løkketangen	1950	2017-02-22 19:26:34
4	Gustav Bech Henriksen	2232	2022-06-27 20:34:21
5	Raja Sanjeev Kumar Nakka	2331	2016-04-27 22:47:16
6	Aleksas Legačinskas	2706	2016-10-01 12:55:01
7	권의현	3051	2019-11-12 01:56:47
8	Samuel Leclerc	3188	2021-01-08 22:19:46
9	Alex Laurila	3240	2023-05-20 18:42:34
10	Håvard Stuberg	3375	2019-05-21 17:55:41

#	User	Length	Date
1	Herman Karlsson	677	2015-10-13 09:08:10
2	William Gan	744	2017-02-03 17:52:55
3	traxex	752	2021-11-27 20:47:25
4	Hidden user	768	2021-01-25 14:20:57
5	Way Tan	770	2018-12-05 20:27:34
6	Izzati Al Vandiar	773	2016-03-12 05:22:50
7	Michele Ghilardi	779	2021-11-08 18:17:30
8	Reginald Frank	786	2019-02-02 18:22:06
9	Lim An Jun	788	2023-02-11 16:05:21
10	Josenildo Silva	812	2017-03-20 15:43:58

#	User	Length	Date
1	Scott Dauer	1759	2020-03-31 06:57:29
2	Hidden user	1801	2021-09-10 20:49:06
3	Norbert Voelker	2086	2021-09-09 22:34:08
4	Krzysztof Gibuła	2405	2021-03-21 14:57:25
5	Nikolaj Dybdahl Rathcke	2518	2023-05-10 14:09:14
6	Việt Hà Nguyễn	2524	2016-06-24 17:19:17
7	Lucas Gabriel Sánchez	2587	2021-11-25 21:54:40
8	Abdurrachman Habibi	2706	2020-11-14 04:05:48
9	James Robb	3608	2020-04-29 15:18:14
10	James Robb	3653	2020-05-12 12:07:03

#	User	Length	Date
1	Blake Hyde	1445	2016-06-12 20:29:30
2	Mason Anderson	1460	2021-04-21 01:14:15
3	Jesper Sandström	1951	2018-01-26 22:41:18
4	Abel Martin	1991	2017-04-01 19:00:24
5	Birk Tjelmeland	2131	2018-01-10 22:40:07
6	Patrik Lilja	2157	2015-12-20 13:53:57
7	Markus Läll	2730	2015-02-18 22:14:12
8	Hidden user	16421	2021-11-13 12:11:32
9	Phan Ngọc Tiên	34398	2022-03-29 08:31:52

#	User	Length	Date
1	Duncan Page	1120	2019-09-09 23:49:06
2	Yeung Man Tsung	1185	2022-07-26 16:54:24
3	Ethan Macdonald	1188	2016-10-02 04:25:15
4	Gabriela Llave	1252	2015-08-26 21:23:47
5	Ethan Wipond	1255	2017-10-05 23:33:25
6	Albert Luu	1258	2015-11-26 02:50:51
7	Ong Wei Hong	1278	2022-07-13 00:52:55
8	Michael Liu	1291	2018-07-27 16:33:00
9	Stephen Royal	1292	2015-08-19 16:07:53
10	Mamnoon Sami	1309	2021-06-30 16:19:44

#	User	Length	Date
1	sai teja	1702	2020-04-08 03:47:55
2	Gurpartap Singh Bhatti	2374	2019-06-14 05:06:46
3	Christopher Walther	3665	2021-04-16 21:29:27
4	Stephanie Keck	12796	2020-01-31 02:23:58

#	User	Length	Date
1	Bjørn Chr. Soltvedt	1052	2016-04-23 13:40:45
2	Peter Kedemo	1165	2015-12-29 15:55:22
3	Christian Cederquist	1189	2023-03-10 19:47:51
4	Jimmy Gustafsson	1230	2022-06-07 17:39:05
5	Asai Yuki	1484	2020-04-04 05:10:08

#	User	Length	Date
1	Felis Sedano Luo Yi	1726	2023-09-15 19:57:59

#	User	Length	Date
1	Lewis Johnson	1232	2023-09-12 01:25:10
2	Jesper Bech Christensen	1251	2023-09-24 21:50:12
3	Lukas Miedema	1473	2018-10-26 00:43:25
4	Mohamadhassan Ebrahimi	1497	2019-10-29 14:52:49
5	Adam Rankin	1515	2023-05-04 06:48:18
6	Mohsen Dehbashi	1562	2019-10-28 06:13:46
7	Roy Liu	1709	2023-07-12 21:56:29
8	Chris Johnson	1849	2023-09-12 01:09:07
9	Eric Huynh	1935	2019-02-01 19:26:06
10	Ryan Servera	2113	2020-01-29 05:32:36

#	User	Length	Date
1	Ingemar Ragnemalm	3260	2019-09-06 13:28:31
2	Joseph Chau	4130	2024-01-30 10:36:59

#	User	Length	Date
1	Thomas Feld	545	2019-08-19 16:50:55
2	Andreas Björklund	770	2020-03-06 19:22:14
3	Olav Røthe Bakken	839	2019-09-25 18:35:52
4	Lars Åström	871	2018-11-02 23:32:07
5	Nathan Villanueva	905	2017-04-28 23:57:10
6	Michael Laszlo	967	2017-12-27 03:59:14
7	Shishir Sharma	1030	2019-09-17 00:15:50
8	Car Sheno	1044	2018-01-28 22:30:36
9	Andree Kaba	1062	2018-09-28 20:23:56
10	Miguel Alfageme Sanchez	1071	2017-01-12 06:00:14

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

#	User	Length	Date
1	Casper Christensen	765	2016-02-25 14:25:46
2	Hidden user	1424	2017-01-12 19:59:40
3	Macdara mac an tSionnaigh	2412	2019-10-26 23:08:51

#	User	Length	Date
1	Artur Khuziakhmetov	1135	2023-08-07 17:16:21
2	David Rasch	1427	2021-05-04 17:20:05
3	Markus Videfors	1730	2020-12-03 18:00:39
4	Eric Pinter	2007	2021-05-31 05:39:23
5	Oskar Eriksson	2019	2023-12-22 20:24:26
6	Isak Jägberg	2040	2023-04-19 10:55:22
7	Bas Dirks	2048	2022-01-28 07:12:45
8	Melker Forsberg	2227	2023-06-29 17:21:37
9	Thomas Hügel	2248	2020-12-29 09:15:31
10	Anton Lilja	2251	2020-12-02 15:06:35

Solution running time distribution