Problem B
Ants — Problem Statistics

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Submissions	8253
Accepted submissions	3910
Submission ratio	47.38%
Authors	3284
Full solves [?]	2940
Full solve Ratio	89.52%

#	User	Runtime	Language	Date
1	Sabit Zahin	0.01 s	C	2016-04-26 00:41:54
2	Hidden user	0.01 s	C	2017-02-02 00:41:54
3	Garðar Ingvarsson	0.01 s	C	2019-03-23 20:17:09
4	Sebastian Wilke	0.01 s	C	2019-04-10 02:51:46
5	Eyleifur Bjarkason	0.01 s	C	2019-11-07 15:15:31
6	Marcus Larsson	0.02 s	C	2013-01-22 22:35:12
7	Martin van Bommel	0.02 s	C	2018-07-19 14:15:44
8	Don Mohar	0.02 s	C	2018-07-22 13:16:07
9	Atharva Pendse	0.02 s	C	2018-07-31 17:15:26
10	Kelvin Kurniawan Oktavianto	0.02 s	C	2019-02-09 01:58:16

#	User	Runtime	Language	Date
1	traxex	0.08 s	C#	2024-05-06 15:28:02
2	Przemysław Curzytek	0.10 s	C#	2016-12-15 15:51:29
3	Andrzej Krajniak	0.13 s	C#	2016-11-02 17:08:52
4	Marek	0.13 s	C#	2016-11-02 18:57:29
5	Erik Kristian Gylling	0.13 s	C#	2024-04-07 16:23:33
6	Sebastian Eriksson	0.13 s	C#	2024-09-01 20:24:14
7	Edison Kardirsson	0.13 s	C#	2025-05-09 12:12:07
8	Diego Dell	0.13 s	C#	2025-05-29 05:34:59
9	Nicolai	0.13 s	C#	2025-11-17 22:52:26
10	Robert Low	0.14 s	C#	2016-08-11 21:03:59

#	User	Runtime	Language	Date
1	Dennis Johansson	0.00 s	C++	2014-03-26 21:53:55
2	Hidden user	0.00 s	C++	2017-06-16 06:42:27
3	Kenneth Langedal	0.00 s	C++	2019-03-09 03:10:59
4	Alexander Kravberg	0.00 s	C++	2023-08-14 23:40:35
5	Marshall D Feng	0.00 s	C++	2024-10-06 04:26:42
6	Oskar Nehlin	0.01 s	C++	2016-12-22 22:04:34
7	Grae Yeandle	0.01 s	C++	2017-01-04 17:32:55
8	Hidden user	0.01 s	C++	2017-02-02 02:04:53
9	Jonas Nockert	0.01 s	C++	2017-05-09 20:24:02
10	Donald Dong	0.01 s	C++	2018-01-20 05:16:23

#	User	Runtime	Language	Date
1	Norbert Voelker	0.06 s	Go	2021-03-15 01:14:38
2	Jonas Mittnacht	0.23 s	Go	2024-02-12 22:52:30
3	Hidden user	0.24 s	Go	2023-03-06 21:33:08

#	User	Runtime	Language	Date
1	Joakim Sunde	0.03 s	Haskell	2019-01-13 02:41:58
2	Tim Put	0.07 s	Haskell	2021-10-01 21:16:31
3	Steinar Simonnes	0.07 s	Haskell	2024-12-05 16:46:27
4	Patrik Lilja	0.08 s	Haskell	2016-04-09 11:25:47
5	Brent Yorgey	0.12 s	Haskell	2017-11-09 05:37:23
6	Hidden user	0.12 s	Haskell	2022-05-26 12:13:23
7	David Spies	0.21 s	Haskell	2014-12-10 02:38:37
8	Simon Reid	0.53 s	Haskell	2025-07-15 22:20:07
9	Aivan Carson	0.55 s	Haskell	2018-08-12 13:43:36
10	Johan Meier	0.58 s	Haskell	2016-12-09 11:03:45

#	User	Runtime	Language	Date
1	Tú Huỳnh	0.08 s	Java	2015-09-11 06:19:10
2	Nguyễn Hùng Cường	0.08 s	Java	2018-07-08 17:53:01
3	Đức Phạm Hoài	0.08 s	Java	2018-07-09 09:50:07
4	Issa Issack	0.08 s	Java	2025-04-16 01:01:36
5	William Fiset	0.09 s	Java	2017-03-11 23:38:03
6	David Brink	0.09 s	Java	2017-04-22 19:42:09
7	Rayner Lim	0.09 s	Java	2018-11-13 14:32:31
8	Quỳnh Lê	0.09 s	Java	2021-10-31 02:33:27
9	Dat Vo Nguyen Tien	0.09 s	Java	2021-10-31 03:21:47
10	Jan Štola	0.10 s	Java	2015-06-01 19:03:29

#	User	Runtime	Language	Date
1	Oliver Bredenberg	0.68 s	JavaScript (Node.js)	2019-08-28 09:28:10
2	Stephanie Keck	0.80 s	JavaScript (Node.js)	2020-02-15 21:41:10

#	User	Runtime	Language	Date
1	Hà Minh Ngọc	0.13 s	JavaScript (SpiderMonkey)	2015-09-11 06:07:09
2	Magnar Myrtveit	0.13 s	JavaScript (SpiderMonkey)	2016-12-26 20:11:27
3	Christian Pilegaard Cederquist	0.16 s	JavaScript (SpiderMonkey)	2023-03-18 10:37:22
4	Bjørn Chr. Soltvedt	0.18 s	JavaScript (SpiderMonkey)	2023-02-07 14:27:51
5	Zach Tschetter	0.21 s	JavaScript (SpiderMonkey)	2023-06-23 22:55:54

#	User	Runtime	Language	Date
1	Hidden user	0.46 s	Julia	2025-03-30 07:05:56

#	User	Runtime	Language	Date
1	Adam Rankin	0.63 s	Kotlin	2023-05-12 03:12:59
2	Vegard Itland	0.77 s	Kotlin	2019-01-28 23:06:16
3	Sindre Sørensen	0.77 s	Kotlin	2019-03-25 15:07:11
4	arda atci	0.82 s	Kotlin	2020-07-09 21:04:31
5	Merih Bora Poçan	0.86 s	Kotlin	2020-09-16 08:25:38

#	User	Runtime	Language	Date
1	Shehab Ahmed Hatem	0.11 s	Lua	2023-11-14 23:18:12
2	Caleb Austin	0.13 s	Lua	2024-11-08 22:21:39

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.03 s	Pascal	2018-09-21 23:23:56

#	User	Runtime	Language	Date
1	Martin Malmsten	0.07 s	Python 2	2015-07-06 23:25:18
2	Sho Ya Voorthuyzen	0.08 s	Python 2	2019-09-21 04:35:16
3	Manshant Singh Kohli	0.09 s	Python 2	2016-08-15 00:24:15
4	Gurinder Hans	0.09 s	Python 2	2016-08-15 01:15:11
5	Yanmarshus Bachtiar	0.10 s	Python 2	2020-11-08 13:19:04
6	Martin Jackson	0.11 s	Python 2	2016-08-19 22:08:10
7	Eric Dand	0.11 s	Python 2	2016-10-20 20:34:23
8	Erik Sillén	0.13 s	Python 2	2015-10-17 09:45:26
9	Alvaro Silvino	0.13 s	Python 2	2016-04-08 00:18:19
10	David Wetterau	0.15 s	Python 2	2015-12-07 00:18:46

#	User	Runtime	Language	Date
1	Petr	0.07 s	Python 3	2024-11-12 03:32:30
2	Hidden user	0.08 s	Python 3	2025-02-07 22:12:59
3	Parin Vessakosol	0.08 s	Python 3	2025-02-10 15:44:48
4	Dominic Berzin Chua Way Gin	0.08 s	Python 3	2025-04-17 14:40:28
5	miguel boutaud	0.08 s	Python 3	2025-11-19 08:11:43
6	Hidden user	0.08 s	Python 3	2025-11-20 03:22:33
7	Hidden user	0.08 s	Python 3	2026-02-13 07:15:48
8	Christoffer Sommerlund	0.09 s	Python 3	2022-03-20 17:02:03
9	nose30	0.09 s	Python 3	2024-11-01 01:12:29
10	Hidden user	0.09 s	Python 3	2024-12-05 15:19:50

#	User	Runtime	Language	Date
1	Mikael Auno	0.27 s	Ruby	2022-10-20 18:58:43
2	Thomas Feld	0.27 s	Ruby	2023-03-31 09:42:59
3	Anthony Lam	0.28 s	Ruby	2017-10-04 00:01:18
4	Pandhu Hutomo Aditya	0.45 s	Ruby	2020-11-11 01:46:10
5	Casper Christensen	0.51 s	Ruby	2016-03-12 13:57:58

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-07-09 00:41:09
2	Birk Tjelmeland	0.01 s	Rust	2019-01-15 13:31:10
3	Stian Soltvedt	0.01 s	Rust	2019-01-16 13:18:14
4	Albert Rise Nielsen	0.01 s	Rust	2023-03-14 23:31:35
5	Malthe Mathias Mølgaard Larsen	0.01 s	Rust	2023-03-16 12:56:26
6	Egor Kulikov	0.01 s	Rust	2024-12-26 17:56:49
7	Joe Blower	0.01 s	Rust	2025-08-20 04:17:46
8	Ole Vik Lysne	0.02 s	Rust	2024-01-23 17:44:55
9	gard heine kalland	0.02 s	Rust	2024-03-26 23:30:49
10	Isak Jägberg	0.03 s	Rust	2019-05-17 21:31:26

#	User	Length	Language	Date
1	Zachariah Goldthorpe	152	C	2017-10-03 03:51:43
2	Eamonn Lye	308	C	2017-10-03 05:56:43
3	Rick May	345	C	2017-03-14 01:31:02
4	Olle Eriksson	388	C	2016-11-29 22:38:32
5	Christian Lindeström	424	C	2016-09-09 19:46:25
6	Dimitri Chernysh	426	C	2021-10-04 01:33:42
7	Chen Hanslen	427	C	2015-09-21 21:16:59
8	joe	431	C	2020-11-20 13:07:52
9	Matthew Ling	441	C	2018-01-08 05:05:24
10	Ken Mango	441	C	2019-04-27 06:39:42

#	User	Length	Language	Date
1	traxex	548	C#	2024-05-06 15:28:02
2	Diego Dell	806	C#	2025-05-29 05:34:59
3	Erik Kristian Gylling	958	C#	2024-04-07 16:23:33
4	Robert Low	1196	C#	2016-08-11 21:03:59
5	Jesper Lundin	1233	C#	2021-09-26 16:32:22
6	Victor Hultén Mattsson	1238	C#	2021-06-28 22:59:59
7	Nicolai	1323	C#	2025-11-17 22:52:26
8	Urban Ek	1409	C#	2021-03-08 14:11:29
9	Avo David	1423	C#	2019-05-03 18:20:49
10	Garway Mei	1508	C#	2019-02-10 18:39:34

#	User	Length	Language	Date
1	Antonio Molina Lovett	251	C++	2016-08-11 11:21:10
2	Hidden user	265	C++	2020-03-06 00:15:15
3	Luciano Leão	284	C++	2020-04-17 19:12:09
4	bekarhunmain	289	C++	2024-07-04 21:53:10
5	Daniel Valido	291	C++	2021-04-10 00:37:29
6	William Gan	306	C++	2017-08-12 17:19:35
7	Manshant Singh Kohli	308	C++	2016-08-15 00:30:14
8	Gokul Ramanan	316	C++	2021-11-29 17:35:19
9	Никита Кулик	316	C++	2023-06-17 13:23:15
10	Arnar Bjarni Arnarson	317	C++	2016-04-01 03:01:46

#	User	Length	Language	Date
1	Hidden user	499	Go	2023-03-06 21:26:10
2	Norbert Voelker	1192	Go	2021-03-15 01:14:38
3	Jonas Mittnacht	2054	Go	2024-02-12 22:52:30

#	User	Length	Language	Date
1	Øyvind Almli	413	Haskell	2021-05-24 02:13:25
2	Patrik Lilja	618	Haskell	2016-04-09 11:21:30
3	Simon Reid	645	Haskell	2025-07-15 22:20:07
4	Lim Ming Yean	735	Haskell	2019-04-11 17:32:55
5	Tim Put	738	Haskell	2021-10-01 21:16:31
6	Steinar Simonnes	739	Haskell	2024-12-05 16:49:09
7	Johan Meier	740	Haskell	2016-12-09 11:03:45
8	Mason Anderson	778	Haskell	2021-05-28 06:38:45
9	Aivan Carson	823	Haskell	2018-08-12 13:43:36
10	amund lindberg	948	Haskell	2019-01-22 14:40:59

#	User	Length	Language	Date
1	Eamonn Lye	477	Java	2017-10-03 06:19:59
2	Wang Zhi Jian	503	Java	2018-10-29 18:02:47
3	Mahdi Hajiabadi	504	Java	2019-08-17 03:00:38
4	Robert Slutsky	512	Java	2018-01-23 23:37:45
5	Quoc Anh Nguyen	522	Java	2017-09-26 07:33:46
6	Lê Duy Anh	523	Java	2018-09-28 01:03:02
7	Erik Baalhuis	526	Java	2015-09-30 23:32:31
8	Amon Al-khatib	526	Java	2015-12-19 23:44:11
9	Xavier Loose	541	Java	2017-09-25 17:21:12
10	Romayssae el	544	Java	2019-12-21 22:19:13

#	User	Length	Language	Date
1	Oliver Bredenberg	1513	JavaScript (Node.js)	2019-08-28 09:28:48
2	Stephanie Keck	8935	JavaScript (Node.js)	2020-02-15 21:41:10

#	User	Length	Language	Date
1	Magnar Myrtveit	525	JavaScript (SpiderMonkey)	2016-12-26 20:11:27
2	Zach Tschetter	545	JavaScript (SpiderMonkey)	2023-06-23 22:57:33
3	Christian Pilegaard Cederquist	586	JavaScript (SpiderMonkey)	2023-03-18 10:37:22
4	Bjørn Chr. Soltvedt	682	JavaScript (SpiderMonkey)	2023-02-07 14:27:51
5	Hà Minh Ngọc	752	JavaScript (SpiderMonkey)	2015-09-11 06:07:09

#	User	Length	Language	Date
1	Hidden user	178	Julia	2025-03-30 07:40:42

#	User	Length	Language	Date
1	Vegard Itland	524	Kotlin	2019-01-28 23:06:16
2	Merih Bora Poçan	657	Kotlin	2020-09-16 08:25:38
3	arda atci	728	Kotlin	2020-07-09 21:04:31
4	Adam Rankin	831	Kotlin	2023-05-12 03:12:59
5	Sindre Sørensen	833	Kotlin	2019-03-25 15:12:08

#	User	Length	Language	Date
1	Shehab Ahmed Hatem	440	Lua	2023-11-14 23:18:12
2	Caleb Austin	494	Lua	2024-11-08 22:21:39

#	User	Length	Language	Date
1	Ingemar Ragnemalm	582	Pascal	2018-09-21 23:23:56

#	User	Length	Language	Date
1	Thomas Feld	238	Python 2	2019-08-27 11:15:16
2	Lars Åström	254	Python 2	2018-11-06 11:10:03
3	Riko Jacob	286	Python 2	2019-04-04 23:31:53
4	Tomas Alvarez	337	Python 2	2017-09-17 23:22:11
5	Andreas Björklund	351	Python 2	2019-01-10 19:35:33
6	Manshant Singh Kohli	354	Python 2	2016-08-15 00:24:15
7	Gurinder Hans	382	Python 2	2016-08-15 01:15:11
8	Johan Lyts	402	Python 2	2019-08-10 13:52:53
9	Prakash Sanyasi	408	Python 2	2020-03-05 06:36:08
10	Mark Liu	414	Python 2	2019-02-10 07:33:31

#	User	Length	Language	Date
1	Kevin Gomez	147	Python 3	2023-08-27 06:49:42
2	Benjamin Z White	156	Python 3	2023-05-04 21:51:57
3	Benjamin Ye	158	Python 3	2024-01-10 07:56:00
4	Lee Isaac	167	Python 3	2023-03-24 19:56:45
5	Kristian Sørdal	171	Python 3	2024-01-23 10:38:45
6	Anshuman Dash	183	Python 3	2023-12-31 09:17:32
7	Ahmed Chamseddine	188	Python 3	2025-01-17 23:03:16
8	Hidden user	206	Python 3	2023-03-04 21:36:56
9	Tai Tze Kin	209	Python 3	2024-05-08 22:00:51
10	Shanonn Ling	214	Python 3	2023-10-03 17:12:55

#	User	Length	Language	Date
1	Thomas Feld	104	Ruby	2023-03-31 09:42:59
2	Casper Christensen	356	Ruby	2016-03-12 13:57:58
3	Mikael Auno	379	Ruby	2022-10-20 18:58:43
4	Pandhu Hutomo Aditya	496	Ruby	2020-11-11 01:46:10
5	Anthony Lam	822	Ruby	2017-10-04 00:01:18

#	User	Length	Language	Date
1	Vincent Lagerros	652	Rust	2025-07-09 00:36:39
2	Birk Tjelmeland	754	Rust	2019-01-15 13:31:10
3	Malthe Mathias Mølgaard Larsen	874	Rust	2023-03-16 12:56:26
4	Albert Rise Nielsen	876	Rust	2023-03-14 23:31:35
5	David Rasch	909	Rust	2021-05-09 14:19:51
6	Sebastian Refsnes	909	Rust	2024-01-24 01:44:45
7	Bas Dirks	926	Rust	2022-05-26 12:01:19
8	Stian Soltvedt	990	Rust	2019-01-16 13:18:14
9	Ole Vik Lysne	1003	Rust	2024-01-24 00:09:10
10	Haruki Moriguchi	1090	Rust	2019-04-27 06:07:03

Solution running time distribution