Problem A
Mravi — Problem Statistics

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Submissions	3511
Accepted submissions	1105
Submission ratio	31.47%
Authors	809
Full solves [?]	706
Full solve Ratio	87.27%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.00 s	C	2019-03-20 15:50:11
2	Sambit Palit	0.00 s	C	2020-10-28 19:34:21
3	Mirel Cosulschi	0.00 s	C	2023-01-01 15:22:44

#	User	Runtime	Language	Date
1	Peter Bohunský	0.02 s	C#	2017-11-16 00:20:28
2	Fernando Maceda Silva	0.02 s	C#	2019-04-03 20:25:13
3	Garway Mei	0.03 s	C#	2019-04-03 03:02:40
4	Nguyễn Công Cường	0.03 s	C#	2022-05-30 20:29:16
5	JORGE ROMARIO JAMACHI VARELA	0.03 s	C#	2022-09-13 03:37:57
6	Michael Enriquez	0.04 s	C#	2020-09-19 03:26:26
7	Alvaro Justo Michel Barrera	0.04 s	C#	2020-09-21 23:23:24
8	Roger Ruiz	0.04 s	C#	2022-04-21 02:00:06
9	Robert Brian Maldonado	0.04 s	C#	2022-04-21 03:08:12
10	Carlos Colque	0.04 s	C#	2022-04-21 03:12:01

#	User	Runtime	Language	Date
1	Erling Solberg	0.02 s	Go	2018-07-27 10:17:04
2	Norbert Voelker	0.08 s	Go	2021-07-22 23:08:49
3	Paul Boddington	0.09 s	Go	2016-05-20 17:49:07

#	User	Runtime	Language	Date
1	Fumiaki Takagi	0.00 s	Haskell	2023-02-17 01:01:29
2	Steinar Simonnes	0.00 s	Haskell	2024-02-28 11:07:01
3	Hidden user	0.01 s	Haskell	2021-06-07 15:01:33
4	Tim Put	0.01 s	Haskell	2021-08-23 05:38:32
5	Jason Hooper	0.02 s	Haskell	2019-10-02 01:31:36
6	Antony Lee	0.03 s	Haskell	2017-07-19 16:12:35

#	User	Runtime	Language	Date
1	Alvin Lee	0.04 s	Java	2025-10-24 05:20:34
2	Jacob Zhang	0.06 s	Java	2022-10-05 19:02:54
3	Sven Rönnbäck	0.06 s	Java	2023-11-23 20:30:22
4	Martijn Muijsers	0.07 s	Java	2016-10-10 20:03:59
5	Crystal Sharpe	0.07 s	Java	2020-12-10 00:55:34
6	Cristina Corley	0.07 s	Java	2022-10-02 07:31:36
7	Simon Xue	0.08 s	Java	2016-06-10 20:44:58
8	Erik Baalhuis	0.08 s	Java	2016-08-14 06:53:11
9	Marco Troltsch	0.08 s	Java	2016-11-16 12:20:40
10	Micah Stairs	0.08 s	Java	2016-12-18 04:27:53

#	User	Runtime	Language	Date
1	Nah Yi Feng	0.01 s	JavaScript (SpiderMonkey)	2017-11-10 04:16:30
2	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-03-28 16:54:44
3	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2023-07-23 04:12:43

#	User	Runtime	Language	Date
1	Hidden user	0.55 s	Julia	2025-03-23 18:50:12

#	User	Runtime	Language	Date
1	Adam Rankin	0.25 s	Kotlin	2023-09-13 18:20:00

#	User	Runtime	Language	Date
1	Kalep Carlos Ortega Villegas	0.01 s	PHP	2023-04-29 23:33:51
2	Kalep Carlos Ortega Villegas	0.01 s	PHP	2023-04-29 23:46:48
3	ISAAC REYNALDO AÑAMORO ALVAREZ	0.01 s	PHP	2023-04-30 01:47:52
4	Alvaro Justo Michel Barrera	0.05 s	PHP	2020-09-17 04:40:46
5	carlos maldonado	0.05 s	PHP	2020-09-17 23:45:51
6	Eliot Sergio Fuentes Garcia	0.05 s	PHP	2020-09-18 00:48:38

#	User	Runtime	Language	Date
1	Hermon Mulat	0.03 s	Python 2	2018-12-09 00:18:17
2	SAMUEL PANIAGUA ALA	0.03 s	Python 2	2022-09-14 17:14:17
3	Jefferson Canaviri Luna	0.03 s	Python 2	2022-09-15 02:17:13
4	Christofer Ohlsson	0.04 s	Python 2	2017-01-08 19:25:12
5	Frederik Højholt	0.04 s	Python 2	2017-04-12 18:46:11
6	Haggai Liu	0.04 s	Python 2	2017-10-12 06:01:35
7	Justin Su	0.04 s	Python 2	2017-11-17 04:02:59
8	Oskar Haarklou Veileborg	0.04 s	Python 2	2018-10-14 15:51:37
9	Jesper Öqvist	0.04 s	Python 2	2018-11-04 18:05:07
10	Ram Basnet	0.04 s	Python 2	2019-11-17 06:41:06

#	User	Runtime	Language	Date
1	Linus Eklund	0.02 s	Python 3	2016-07-16 03:39:23
2	Bohan Zhou	0.02 s	Python 3	2017-05-13 16:48:52
3	Clas Blank	0.02 s	Python 3	2017-05-16 00:19:12
4	David Ekvall	0.02 s	Python 3	2017-05-19 02:24:29
5	Cian Ruane	0.02 s	Python 3	2017-05-29 11:50:26
6	Sergio Vieri	0.02 s	Python 3	2018-03-04 08:30:32
7	Susan Fox	0.02 s	Python 3	2018-03-23 04:37:38
8	Dan Konnebäck	0.02 s	Python 3	2018-05-30 17:20:46
9	Ema Jemec	0.02 s	Python 3	2018-06-28 16:08:12
10	Sindri Magnusson	0.02 s	Python 3	2019-03-05 16:45:49

#	User	Runtime	Language	Date
1	Ben Heard	0.00 s	Rust	2022-10-26 22:44:52
2	Niklas Sandén	0.00 s	Rust	2023-02-15 14:17:45
3	Bas Dirks	0.00 s	Rust	2024-01-29 16:47:38

#	User	Length	Language	Date
1	Mirel Cosulschi	1242	C	2023-01-01 15:22:44
2	Sambit Palit	1610	C	2020-10-28 19:34:21
3	Ivan Petrov	1800	C	2019-03-20 15:50:11

#	User	Length	Language	Date
1	Nguyễn Công Cường	1424	C#	2022-05-30 20:29:16
2	JORGE ROMARIO JAMACHI VARELA	1424	C#	2022-09-13 03:37:57
3	Peter Bohunský	1732	C#	2017-11-16 00:20:28
4	Alvaro Justo Michel Barrera	1809	C#	2020-09-21 23:23:24
5	Roger Ruiz	1813	C#	2022-04-21 03:36:47
6	Walter Ramos	1903	C#	2022-09-13 04:18:57
7	Carlos Colque	1958	C#	2022-04-21 03:12:01
8	Alfonso Fernandez	1958	C#	2022-04-21 03:13:17
9	Robert Brian Maldonado	1959	C#	2022-04-21 03:08:12
10	jose pabon mejia	1960	C#	2022-04-21 18:20:56

#	User	Length	Language	Date
1	Antonio Molina Lovett	564	C++	2016-08-04 09:08:19
2	James Tan	616	C++	2024-10-18 14:14:18
3	Thomas So	684	C++	2023-05-12 21:10:26
4	Jim Zheng	746	C++	2020-02-19 17:04:25
5	Tobi Ola	754	C++	2020-02-20 18:56:21
6	William Gan	757	C++	2018-04-14 09:26:05
7	bekarhunmain	767	C++	2024-08-13 08:26:03
8	James Rettie	773	C++	2022-10-27 18:05:38
9	Keith Vargas	776	C++	2016-11-12 10:19:23
10	Raynold Ng	788	C++	2018-01-01 17:38:57

#	User	Length	Language	Date
1	Paul Boddington	1293	Go	2016-05-20 17:49:07
2	Erling Solberg	1610	Go	2018-07-27 09:44:23
3	Norbert Voelker	2013	Go	2021-07-22 23:12:51

#	User	Length	Language	Date
1	Antony Lee	976	Haskell	2017-07-19 16:12:35
2	Tim Put	1306	Haskell	2021-08-23 05:38:32
3	Steinar Simonnes	1832	Haskell	2024-02-28 11:10:53
4	Jason Hooper	3951	Haskell	2019-10-02 01:31:36
5	Fumiaki Takagi	4055	Haskell	2023-02-17 01:01:29
6	Hidden user	14574	Haskell	2021-06-07 15:01:33

#	User	Length	Language	Date
1	CARLA MANCILLA FLORES	725	Java	2021-09-21 03:54:51
2	Swamy Zubieta	727	Java	2021-09-21 03:50:06
3	LEONARDO DANILO CLAURE CHAVEZ	746	Java	2022-09-13 03:45:15
4	leonardo Claure	746	Java	2022-09-13 23:30:28
5	JHON0X	752	Java	2020-09-19 02:22:47
6	Jhoel Uria P	755	Java	2022-09-13 03:33:42
7	elias samuel Ancieta rocha	762	Java	2022-09-14 19:33:54
8	Isaiah Joy	763	Java	2021-12-04 01:45:29
9	Mauricio Patrik Plata Gutierrez	769	Java	2022-09-15 01:27:36
10	Լևոն Մկրտչյան	771	Java	2024-12-22 15:24:02

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	271	JavaScript (SpiderMonkey)	2023-07-23 22:19:08
2	Christian Pilegaard Cederquist	588	JavaScript (SpiderMonkey)	2023-03-28 16:54:44
3	Nah Yi Feng	1408	JavaScript (SpiderMonkey)	2017-11-10 04:16:30

#	User	Length	Language	Date
1	Hidden user	896	Julia	2025-03-23 18:50:12

#	User	Length	Language	Date
1	Adam Rankin	2622	Kotlin	2023-09-13 18:20:00

#	User	Length	Language	Date
1	ISAAC REYNALDO AÑAMORO ALVAREZ	1058	PHP	2023-04-30 01:47:52
2	Eliot Sergio Fuentes Garcia	1203	PHP	2020-09-18 15:48:31
3	Kalep Carlos Ortega Villegas	1244	PHP	2023-04-29 23:33:51
4	Kalep Carlos Ortega Villegas	1244	PHP	2023-04-29 23:46:48
5	Alvaro Justo Michel Barrera	1319	PHP	2020-09-17 04:38:18
6	carlos maldonado	1338	PHP	2020-09-17 23:45:51

#	User	Length	Language	Date
1	Johan Lyts	412	Python 2	2019-06-30 13:50:02
2	Justin Su	454	Python 2	2017-11-17 04:02:59
3	jose martinez	461	Python 2	2022-09-15 05:47:39
4	Drake Cullen	466	Python 2	2023-03-06 03:52:47
5	Haggai Liu	467	Python 2	2017-10-12 06:01:35
6	Thomas Clavijo Grandon	469	Python 2	2022-09-14 02:21:19
7	Christofer Ohlsson	481	Python 2	2017-01-08 19:25:12
8	Eliot Sergio Fuentes Garcia	490	Python 2	2020-09-20 17:40:06
9	jhoan rios	493	Python 2	2021-09-17 02:23:44
10	Thomas Feld	495	Python 2	2020-03-02 09:59:56

#	User	Length	Language	Date
1	Amy Wang	296	Python 3	2023-05-20 23:51:31
2	Andrew Martinez	300	Python 3	2023-05-17 07:57:06
3	Elijah Satrom	315	Python 3	2022-11-16 18:11:54
4	Jason Cannon	325	Python 3	2019-12-16 21:21:01
5	Clement Oh	329	Python 3	2023-11-15 15:15:31
6	Wernher To	406	Python 3	2022-09-10 21:49:25
7	Sergio Vieri	428	Python 3	2018-03-04 08:30:32
8	Hidden user	428	Python 3	2023-06-26 23:10:05
9	Teikn Smith	455	Python 3	2022-06-29 05:38:21
10	OSITO	461	Python 3	2022-09-13 20:37:11

#	User	Length	Language	Date
1	Ben Heard	1298	Rust	2022-10-26 22:44:52
2	Bas Dirks	1491	Rust	2024-01-29 16:47:38
3	Niklas Sandén	26373	Rust	2023-02-15 14:17:45

Solution running time distribution