Problem A
Cross Country — Problem Statistics

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Submissions	2081
Accepted submissions	1134
Submission ratio	54.49%
Authors	864
Accepted authors	778
Author ratio	90.05%

#	User	Runtime	Language	Date
1	john marcoux	0.08 s	C	2022-04-08 18:19:51
2	Ulrich Johan Isachsen	0.09 s	C	2018-04-14 11:31:07
3	Svein Høgemo	0.09 s	C	2018-04-14 11:50:27
4	Meta Heric	0.94 s	C	2023-09-17 13:13:59
5	Jayanta Saren	0.94 s	C	2024-09-11 12:12:09
6	Sanjiv Dinakar	1.01 s	C	2023-04-10 17:11:52
7	daimiao chen	1.12 s	C	2024-03-15 04:20:03
8	Bruno Volpato	1.21 s	C	2020-08-22 06:52:09
9	Mickye Mouse	1.21 s	C	2021-06-17 10:51:14
10	Shaaban Ibrahim gyadi gyadi	1.21 s	C	2021-11-06 08:00:34

#	User	Runtime	Language	Date
1	Arek Swierczek	0.40 s	C#	2020-11-18 20:29:44
2	Henrik Hallbert	0.56 s	C#	2019-11-10 20:29:03
3	Andrzej Krajniak	0.63 s	C#	2018-11-28 19:06:10
4	Marek	1.70 s	C#	2018-11-28 18:32:52

#	User	Runtime	Language	Date
1	Cian Ruane	0.02 s	C++	2018-04-30 15:36:12
2	Frank Endriss	0.02 s	C++	2020-01-06 21:29:04
3	David Chik	0.02 s	C++	2020-10-13 11:35:37
4	Денис Соболев	0.03 s	C++	2019-04-26 07:16:58
5	Alexander Kravberg	0.03 s	C++	2023-12-30 02:21:00
6	Duarte Nóbrega	0.04 s	C++	2019-03-24 01:39:15
7	Hidden user	0.07 s	C++	2018-04-14 15:20:53
8	Matthew Reff	0.07 s	C++	2019-03-12 23:23:24
9	Auburn Ford	0.07 s	C++	2019-03-22 15:08:33
10	Joshua Casey Darian Gunawan	0.07 s	C++	2019-06-11 16:59:00

#	User	Runtime	Language	Date
1	Norbert Voelker	0.38 s	Go	2021-08-25 11:22:42

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.13 s	Haskell	2024-06-26 11:25:51
2	Fumiaki Takagi	1.80 s	Haskell	2023-02-07 07:17:05
3	Joshua Coward	1.94 s	Haskell	2021-10-27 04:09:57

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.18 s	Java	2023-12-17 16:47:37
2	Crystal Sharpe	0.19 s	Java	2021-01-28 02:01:10
3	Niu Xinyuan	0.24 s	Java	2018-08-02 08:34:26
4	Bjørn Dons	0.30 s	Java	2023-01-08 21:34:01
5	Hidden user	0.33 s	Java	2018-04-14 11:37:46
6	Matthias Döpmann	0.35 s	Java	2018-04-14 11:55:42
7	Vikas Thoutam	0.36 s	Java	2022-08-27 19:35:00
8	Issa Issack	0.36 s	Java	2024-03-31 03:18:51
9	Joakim Kårstad Tran	0.38 s	Java	2018-04-14 11:36:38
10	William Zhao	0.38 s	Java	2020-07-08 05:19:54

#	User	Runtime	Language	Date
1	Nicklas Utgaard	0.23 s	JavaScript (SpiderMonkey)	2019-10-14 19:25:04
2	Christian Cederquist	0.27 s	JavaScript (SpiderMonkey)	2023-05-24 10:59:23
3	Bjørn Chr. Soltvedt	1.15 s	JavaScript (SpiderMonkey)	2020-03-08 23:38:11
4	Zach Tschetter	2.22 s	JavaScript (SpiderMonkey)	2023-04-18 23:13:15

#	User	Runtime	Language	Date
1	Timothy Gaede	0.80 s	Julia	2024-05-26 07:35:55

#	User	Runtime	Language	Date
1	Adam Rankin	0.74 s	Kotlin	2023-09-03 03:33:46
2	Hidden user	0.86 s	Kotlin	2019-12-01 06:08:54
3	Aksel Holbek Sørbye	0.87 s	Kotlin	2024-03-15 23:27:38
4	Josie Bierbaum	1.26 s	Kotlin	2021-12-11 18:02:04

#	User	Runtime	Language	Date
1	Jørgen Valstad	0.19 s	Python 2	2018-04-14 14:39:46
2	Alfred Birketvedt	0.21 s	Python 2	2018-04-14 13:32:28
3	Øyvind Haarberg	0.21 s	Python 2	2018-04-15 20:25:39
4	Jesper Öqvist	0.23 s	Python 2	2018-11-09 01:12:55
5	Andreas Björklund	0.23 s	Python 2	2019-05-06 17:18:47
6	Lars Åström	0.24 s	Python 2	2019-09-22 13:30:08
7	Jonatan Nilsson	0.24 s	Python 2	2019-09-22 22:25:20
8	Anton Lyxell	0.24 s	Python 2	2019-11-15 22:07:22
9	mike	0.25 s	Python 2	2019-07-10 23:15:13
10	Casper Freksen	0.26 s	Python 2	2018-04-14 11:49:58

#	User	Runtime	Language	Date
1	Steven Halim	0.13 s	Python 3	2024-11-06 12:34:53
2	diadia	0.13 s	Python 3	2024-11-25 17:28:17
3	Huang Keyi	0.13 s	Python 3	2025-04-25 14:59:33
4	Luke Liu	0.14 s	Python 3	2022-09-17 23:16:08
5	Saahith Janapati	0.14 s	Python 3	2022-11-02 00:12:14
6	Linh B. Ngo	0.14 s	Python 3	2025-04-02 14:46:41
7	Hidden user	0.14 s	Python 3	2025-04-18 02:59:02
8	Samuel Wertz	0.14 s	Python 3	2025-06-30 17:25:18
9	Yohannes Melese	0.15 s	Python 3	2021-09-29 13:04:54
10	Max	0.15 s	Python 3	2023-03-15 07:05:09

#	User	Runtime	Language	Date
1	Thomas Feld	0.34 s	Ruby	2023-06-07 15:03:49

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.02 s	Rust	2025-03-06 19:02:38
2	Adam Gausmann	0.11 s	Rust	2018-12-10 04:11:02
3	Hidden user	0.17 s	Rust	2023-04-02 11:41:19
4	Bas Dirks	2.87 s	Rust	2022-05-06 09:45:44

#	User	Length	Language	Date
1	Andy Luu	514	C	2024-04-29 21:36:38
2	Jayanta Saren	558	C	2024-09-11 12:12:09
3	Mickye Mouse	558	C	2021-06-17 10:51:14
4	Shaaban Ibrahim gyadi gyadi	558	C	2021-11-06 08:00:34
5	Ahmed Fardi	558	C	2022-06-01 13:07:22
6	Damaris Eugenia Calderon Cruz	570	C	2023-01-21 00:24:25
7	Jón Steinn Elíasson	584	C	2020-05-23 23:06:45
8	Bruno Volpato	588	C	2020-08-22 06:52:09
9	Meta Heric	708	C	2023-09-17 13:13:59
10	Brianne Douglas	802	C	2021-12-16 09:14:18

#	User	Length	Language	Date
1	Marek	1553	C#	2018-11-28 18:32:52
2	Arek Swierczek	1973	C#	2020-11-18 20:29:44
3	Henrik Hallbert	9106	C#	2019-11-10 20:29:03
4	Andrzej Krajniak	38526	C#	2018-11-28 19:06:10

#	User	Length	Language	Date
1	Markus Mathiasen	277	C++	2023-08-07 08:51:25
2	Geordie Taber	330	C++	2023-11-02 02:05:50
3	黃浚誠	364	C++	2022-04-30 05:18:08
4	playsam	378	C++	2024-05-20 18:41:49
5	Alejandro Matias	384	C++	2020-05-29 23:13:45
6	Anshil Gandhi	386	C++	2019-11-13 06:06:46
7	Brandon Zhang	437	C++	2019-05-05 07:29:30
8	Frederick Pek	459	C++	2021-05-27 18:10:17
9	suraj mathashery	483	C++	2022-02-19 21:00:37
10	Hà Trần	485	C++	2021-12-08 05:23:20

#	User	Length	Language	Date
1	Norbert Voelker	5634	Go	2021-08-25 11:22:42

#	User	Length	Language	Date
1	Steinar Simonnes	1495	Haskell	2024-06-26 11:25:51
2	Fumiaki Takagi	1933	Haskell	2023-02-07 07:17:05
3	Joshua Coward	2621	Haskell	2021-10-27 04:09:57

#	User	Length	Language	Date
1	Innocent Nsabimana	553	Java	2019-09-26 03:29:47
2	Bagya M	788	Java	2023-03-28 00:47:16
3	Jon Marius Venstad	791	Java	2018-04-14 12:51:57
4	Hidden user	828	Java	2023-05-18 19:55:00
5	David Van Nguyen	843	Java	2024-07-18 00:17:02
6	Jamie P	845	Java	2022-01-14 19:19:23
7	Joel Gritter	845	Java	2021-12-11 16:51:15
8	Bruno Volpato	849	Java	2020-08-22 06:37:39
9	Marissa Ginel	874	Java	2022-01-14 20:48:58
10	Noah Chapman	877	Java	2021-12-19 21:55:15

#	User	Length	Language	Date
1	Christian Cederquist	552	JavaScript (SpiderMonkey)	2023-05-24 10:59:23
2	Zach Tschetter	613	JavaScript (SpiderMonkey)	2023-04-18 23:13:15
3	Nicklas Utgaard	868	JavaScript (SpiderMonkey)	2019-10-14 19:25:04
4	Bjørn Chr. Soltvedt	19164	JavaScript (SpiderMonkey)	2020-03-08 23:38:11

#	User	Length	Language	Date
1	Timothy Gaede	2200	Julia	2024-05-26 07:35:55

#	User	Length	Language	Date
1	Adam Rankin	611	Kotlin	2023-09-03 03:33:46
2	Josie Bierbaum	1162	Kotlin	2021-12-11 18:02:04
3	Hidden user	1176	Kotlin	2019-12-01 06:08:54
4	Aksel Holbek Sørbye	4614	Kotlin	2024-03-15 23:27:38

#	User	Length	Language	Date
1	Jesper Öqvist	402	Python 2	2018-11-09 01:12:55
2	Asger Hautop Drewsen	416	Python 2	2018-04-14 11:06:14
3	Måns Magnusson	441	Python 2	2019-09-22 13:34:01
4	Andreas Björklund	469	Python 2	2019-05-06 17:18:47
5	Gerth Stølting Brodal	494	Python 2	2019-03-08 13:54:20
6	Haggai Liu	498	Python 2	2018-12-28 05:57:39
7	Jonatan Nilsson	505	Python 2	2019-09-22 22:25:20
8	Lars Åström	531	Python 2	2019-09-22 13:30:08
9	mike	618	Python 2	2019-07-10 23:15:13
10	Amund Tenstad	636	Python 2	2018-04-14 12:23:07

#	User	Length	Language	Date
1	Nicholas Russell Saerang	269	Python 3	2023-08-13 07:17:56
2	Nino Bašić	273	Python 3	2023-01-11 10:32:14
3	Ahmed Chamseddine	310	Python 3	2024-12-30 23:46:29
4	Oskar Haarklou Veileborg	318	Python 3	2018-04-14 17:06:16
5	Hidden user	358	Python 3	2023-06-12 15:40:38
6	Tai Tze Kin	359	Python 3	2024-05-04 19:52:26
7	Eimhin McDonald	361	Python 3	2018-08-08 19:06:50
8	Fang Jiaqi	375	Python 3	2022-11-27 05:27:24
9	Sheng Benze	378	Python 3	2023-11-26 16:00:39
10	Lex Janssens	383	Python 3	2023-06-30 13:25:23

#	User	Length	Language	Date
1	Thomas Feld	131	Ruby	2023-06-07 15:03:49

#	User	Length	Language	Date
1	Bas Dirks	1081	Rust	2022-05-06 09:45:44
2	Hidden user	1415	Rust	2023-04-02 11:41:19
3	Adam Gausmann	1524	Rust	2018-12-10 04:11:02
4	Vincent Lagerros	10445	Rust	2024-08-09 18:57:21

Solution running time distribution