Problem I
Doublets — Problem Statistics

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Submissions	2497
Accepted submissions	417
Submission ratio	16.70%
Authors	260
Full solves [?]	136
Full solve Ratio	52.31%

#	User	Runtime	Language	Date
1	Hidden user	0.10 s	C	2018-12-03 19:23:08
2	Ivan Petrov	0.10 s	C	2019-05-03 08:19:08
3	Ng Tze Henn	0.10 s	C	2023-12-01 19:34:52
4	Shen Licong	0.10 s	C	2024-04-12 12:00:01
5	Artur Khuziakhmetov	0.12 s	C	2023-08-18 12:30:35

#	User	Runtime	Language	Date
1	Patrik Lilja	0.83 s	C#	2018-03-03 08:15:07

#	User	Runtime	Language	Date
1	Ryan Chew	0.04 s	C++	2019-07-02 10:11:17
2	Hidden user	0.12 s	C++	2017-11-19 18:01:06
3	Michael Zündorf	0.12 s	C++	2018-12-02 17:50:29
4	Hyunjun Lee	0.13 s	C++	2023-09-15 14:18:16
5	Gergely Dániel Péter	0.13 s	C++	2025-07-13 12:29:34
6	Francisco Bruno Dias Ribeiro da Silva	0.16 s	C++	2023-05-17 19:40:44
7	Ludvig Strigeus	0.17 s	C++	2007-11-11 20:56:40
8	Yeung Man Tsung	0.18 s	C++	2023-01-02 16:18:56
9	Oskar Werkelin Ahlin	0.22 s	C++	2011-02-23 16:38:13
10	Liu Husong	0.28 s	C++	2019-04-07 17:32:27

#	User	Runtime	Language	Date
1	Bjørn Dons	0.55 s	Java	2023-06-11 21:22:44
2	Björn Löfroth	0.58 s	Java	2011-04-28 12:57:57
3	Fredrik Atmer	0.64 s	Java	2007-10-07 00:03:41
4	Collin Jakubik	0.77 s	Java	2023-07-06 21:51:22
5	Brent Yorgey	0.79 s	Java	2021-03-11 17:36:50
6	Crystal Sharpe	1.00 s	Java	2021-01-14 04:05:18

#	User	Runtime	Language	Date
1	Hermon Mulat	0.84 s	Python 2	2018-09-02 07:03:37
2	Ben Tan	0.84 s	Python 2	2019-04-04 20:40:01
3	Hidden user	0.87 s	Python 2	2024-04-18 19:27:07
4	Oliver Ruste Jahren	0.88 s	Python 2	2020-10-28 15:14:58
5	Andreas Björklund	0.94 s	Python 2	2019-01-15 23:16:12
6	Vũ Minh Hiếu	0.94 s	Python 2	2023-10-17 11:31:44
7	Darryl Teo	0.97 s	Python 2	2024-05-18 09:24:08
8	Simon Lindholm	0.98 s	Python 2	2017-11-07 20:11:43
9	Oskar Haarklou Veileborg	0.98 s	Python 2	2020-08-31 12:19:16

#	User	Runtime	Language	Date
1	Ahmed Zaanoun	0.43 s	Python 3	2025-02-28 18:42:00
2	Ahmed	0.44 s	Python 3	2025-02-28 18:38:30
3	Eghor	0.53 s	Python 3	2025-03-02 21:27:38
4	Nicholas Russell Saerang	0.59 s	Python 3	2024-06-05 09:56:39
5	Simen Sørensen	0.59 s	Python 3	2025-04-18 03:04:58
6	Anton Åkerman	0.60 s	Python 3	2023-08-28 00:59:59
7	AYMANE RTIMI	0.61 s	Python 3	2025-03-04 15:02:04
8	KHALIL ELYOUMNI	0.62 s	Python 3	2025-03-01 23:30:42
9	Ole Vik Lysne	0.67 s	Python 3	2024-10-27 17:56:15
10	Isaac Lee	0.70 s	Python 3	2025-02-14 04:24:48

#	User	Runtime	Language	Date
1	Artur Khuziakhmetov	0.23 s	Rust	2023-08-19 10:18:17
2	Muhammad Rais Fathin Mudzakir	0.37 s	Rust	2021-05-02 06:32:40
3	Daniel Anker Hermansen	0.50 s	Rust	2023-11-15 20:21:42
4	Erik Magnusson	0.74 s	Rust	2024-12-13 21:48:09
5	David Llorens	0.86 s	Rust	2023-08-07 13:19:57
6	Hidden user	0.92 s	Rust	2025-10-07 19:55:23

#	User	Length	Language	Date
1	Ng Tze Henn	2024	C	2023-12-01 19:34:52
2	Shen Licong	2024	C	2024-04-12 12:00:01
3	Ivan Petrov	2050	C	2019-05-03 08:19:08
4	Hidden user	7244	C	2018-12-03 19:23:08
5	Artur Khuziakhmetov	7919	C	2023-08-18 12:30:35

#	User	Length	Language	Date
1	Patrik Lilja	4360	C#	2018-03-03 08:27:47

#	User	Length	Language	Date
1	Asger Hautop Drewsen	1472	C++	2020-08-31 11:55:54
2	Leonardo Blanger	1483	C++	2021-04-07 01:28:59
3	Johan Wind	1488	C++	2018-04-01 21:14:27
4	Yeung Man Tsung	1536	C++	2023-01-02 16:18:56
5	Alexander Skidanov	1588	C++	2025-01-26 21:38:00
6	Hyunjun Lee	1671	C++	2023-09-15 13:43:11
7	Evan Michael Bailey	1731	C++	2021-10-17 07:59:25
8	Bryan Batista Valeriano	1825	C++	2020-10-21 16:56:23
9	Saito Ta	1865	C++	2024-04-03 12:19:40
10	Teikn Smith	1896	C++	2023-12-15 00:46:31

#	User	Length	Language	Date
1	Crystal Sharpe	4489	Java	2021-01-14 04:05:18
2	Fredrik Atmer	5225	Java	2007-10-07 00:03:41
3	Brent Yorgey	7232	Java	2021-03-11 17:36:50
4	Collin Jakubik	8300	Java	2023-07-06 21:51:22
5	Bjørn Dons	9354	Java	2023-06-11 21:22:44
6	Björn Löfroth	13394	Java	2011-04-28 12:57:57

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	971	Python 2	2020-08-31 12:19:16
2	Andreas Björklund	1265	Python 2	2019-01-15 23:16:12
3	Simon Lindholm	1473	Python 2	2017-11-07 20:11:43
4	Vũ Minh Hiếu	2094	Python 2	2023-10-17 11:31:44
5	Hidden user	2094	Python 2	2024-04-18 19:27:07
6	Hermon Mulat	2107	Python 2	2018-09-02 07:03:37
7	Oliver Ruste Jahren	2176	Python 2	2020-10-28 15:14:58
8	Darryl Teo	2176	Python 2	2024-05-18 09:24:08
9	Ben Tan	2178	Python 2	2019-04-04 20:40:01

#	User	Length	Language	Date
1	Nicholas Russell Saerang	1321	Python 3	2024-06-05 09:56:39
2	Ahmed	1351	Python 3	2025-02-28 18:36:47
3	Simen Sørensen	1397	Python 3	2025-04-18 03:04:58
4	Anton Åkerman	1646	Python 3	2023-08-28 01:10:12
5	AYMANE RTIMI	1886	Python 3	2025-03-03 14:16:00
6	Ole Vik Lysne	2017	Python 3	2024-10-27 18:53:00
7	Eghor	2765	Python 3	2025-03-01 23:23:42
8	Ahmed Zaanoun	3308	Python 3	2025-02-27 22:08:49
9	KHALIL ELYOUMNI	3339	Python 3	2025-03-01 23:30:42
10	Isaac Lee	7374	Python 3	2025-02-14 04:24:48

#	User	Length	Language	Date
1	Artur Khuziakhmetov	2224	Rust	2023-08-21 07:59:31
2	Muhammad Rais Fathin Mudzakir	3016	Rust	2021-05-02 06:32:40
3	David Llorens	3742	Rust	2023-08-07 17:01:49
4	Erik Magnusson	6137	Rust	2024-12-13 21:43:54
5	Hidden user	13604	Rust	2025-10-07 19:55:23
6	Daniel Anker Hermansen	25704	Rust	2023-11-15 20:21:42

Solution running time distribution