Problem A
Sheba's Amoebas — Problem Statistics

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Submissions	6479
Accepted submissions	3946
Submission ratio	60.90%
Authors	3224
Full solves [?]	3050
Full solve Ratio	94.60%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.08 s	Bash	2024-04-17 18:58:34

#	User	Runtime	Language	Date
1	Faisal Rahman	0.02 s	C#	2017-11-12 12:51:56
2	Ludwig Hedeby	0.02 s	C#	2017-11-27 23:42:09
3	Johan Pettersson	0.02 s	C#	2018-02-11 20:09:41
4	Kunwei Zhang	0.02 s	C#	2018-02-18 03:04:40
5	Gustav Kalander	0.02 s	C#	2018-09-02 10:20:42
6	Thomas Norris	0.02 s	C#	2019-10-17 18:20:49
7	Mikael Fiala-Lundström	0.03 s	C#	2021-04-24 17:07:05
8	Göran Andersson	0.03 s	C#	2022-05-14 18:44:27
9	Mike Garrett	0.04 s	C#	2019-02-17 04:10:11
10	Nathan Andrews	0.05 s	C#	2024-10-01 19:57:47

#	User	Runtime	Language	Date
1	David Cawthon	0.01 s	Common Lisp	2020-07-19 03:34:23
2	Hidden user	0.03 s	Common Lisp	2019-06-21 06:16:54

#	User	Runtime	Language	Date
1	Yuen Wei Hao	0.00 s	Fortran	2023-12-26 09:23:41

#	User	Runtime	Language	Date
1	Akhikumar Indurti	0.06 s	Go	2018-10-11 03:04:57
2	James Robb	0.08 s	Go	2020-05-12 12:23:49
3	Magix	0.08 s	Go	2020-12-12 23:27:17
4	Norbert Voelker	0.08 s	Go	2021-04-22 00:47:29
5	Krzysztof Gibuła	0.08 s	Go	2021-05-07 22:23:51
6	Iker Lissarrague	0.08 s	Go	2022-04-23 09:25:05
7	James Robb	0.09 s	Go	2020-05-11 14:19:29
8	Ian Howell	0.10 s	Go	2020-01-23 21:46:49

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Haskell	2019-08-27 17:11:04
2	Jan Hrček	0.01 s	Haskell	2020-11-10 19:59:34
3	Steinar Simonnes	0.01 s	Haskell	2024-03-05 10:29:11
4	Jason Hooper	0.04 s	Haskell	2021-03-20 17:26:50
5	Håkon Flatval	0.05 s	Haskell	2018-09-02 23:33:06

#	User	Runtime	Language	Date
1	Jessica Sherette	0.04 s	Java	2025-02-24 16:38:25
2	Ralf Erik	0.04 s	Java	2025-06-15 21:47:54
3	Hidden user	0.04 s	Java	2025-07-09 08:29:18
4	Eimhin McDonald	0.05 s	Java	2017-10-29 00:27:06
5	David Koval	0.05 s	Java	2017-10-30 23:27:16
6	Micah Stairs	0.05 s	Java	2017-11-01 01:41:10
7	Sho Ya Voorthuyzen	0.05 s	Java	2017-11-04 20:21:08
8	Steven Cheng	0.05 s	Java	2017-11-18 03:16:20
9	Aron Bergman	0.05 s	Java	2017-11-21 14:52:54
10	Anton Hellbe	0.05 s	Java	2018-04-01 13:39:04

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	JavaScript (Node.js)	2023-11-22 19:55:02
2	Gurpartap Singh Bhatti	0.08 s	JavaScript (Node.js)	2019-03-01 02:38:25
3	Hidden user	0.09 s	JavaScript (Node.js)	2025-02-04 23:43:04
4	Peter Kedemo	0.42 s	JavaScript (Node.js)	2019-12-27 20:23:32
5	Andoko Chandra	0.43 s	JavaScript (Node.js)	2020-10-16 15:55:07
6	Chris Wong	0.43 s	JavaScript (Node.js)	2021-03-01 01:04:07
7	Stephanie Keck	0.45 s	JavaScript (Node.js)	2020-02-08 06:38:09

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2017-10-30 01:24:45
2	Andri Andresson	0.02 s	JavaScript (SpiderMonkey)	2018-05-06 13:54:50
3	Evan Magill	0.02 s	JavaScript (SpiderMonkey)	2024-11-23 07:34:38
4	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-08-23 20:04:12
5	Christian Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-01-14 10:16:54
6	Jimmy Gustafsson	0.03 s	JavaScript (SpiderMonkey)	2024-07-08 21:44:24
7	Zach Tschetter	0.05 s	JavaScript (SpiderMonkey)	2023-06-09 20:43:03

#	User	Runtime	Language	Date
1	Noszály Csaba	0.44 s	Julia	2025-03-10 09:10:25
2	Timothy Gaede	0.70 s	Julia	2024-06-21 07:16:48

#	User	Runtime	Language	Date
1	Kiel Dowdle	0.13 s	Kotlin	2021-04-14 05:36:30
2	Nicholas Johnson	0.13 s	Kotlin	2021-04-15 07:00:10
3	Jacob Huebner	0.15 s	Kotlin	2020-05-31 20:32:59
4	Zhengqing Ye	0.18 s	Kotlin	2018-10-13 21:03:51
5	Adam Rankin	0.20 s	Kotlin	2023-05-09 04:38:35
6	Kyle Laker	0.21 s	Kotlin	2018-02-23 23:40:58
7	John Bowers	0.22 s	Kotlin	2018-02-22 20:59:53
8	Allen Guan	0.22 s	Kotlin	2022-03-25 10:26:48
9	Thanh Le	0.23 s	Kotlin	2020-09-21 06:29:31
10	Min-Zheng Shieh	0.23 s	Kotlin	2021-03-19 07:19:30

#	User	Runtime	Language	Date
1	Caleb Austin	0.00 s	Lua	2024-09-27 23:27:28

#	User	Runtime	Language	Date
1	Joe Walbran	0.00 s	OCaml	2019-11-03 00:52:06

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Odin	2025-06-05 23:10:58

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-03-07 13:28:32

#	User	Runtime	Language	Date
1	Joey Kendall-Morwick	0.04 s	Python 2	2017-10-28 22:16:41
2	Joseph Kendall-Morwick	0.04 s	Python 2	2017-10-28 22:22:26
3	Justin Su	0.04 s	Python 2	2017-10-29 07:09:24
4	Johann Ly	0.04 s	Python 2	2018-06-11 17:50:30
5	Cassie Quach	0.04 s	Python 2	2018-10-12 19:41:50
6	Jason Pham	0.04 s	Python 2	2019-01-11 00:41:23
7	Øyvind Haarberg	0.04 s	Python 2	2019-02-21 13:32:55
8	Agis Daniels	0.04 s	Python 2	2020-03-11 13:28:32
9	Yanmarshus Bachtiar	0.04 s	Python 2	2020-10-17 02:25:42
10	Christofer Ohlsson	0.05 s	Python 2	2017-10-28 23:16:59

#	User	Runtime	Language	Date
1	Polymorphism	0.02 s	Python 3	2017-10-28 18:06:41
2	Rational	0.02 s	Python 3	2017-10-28 21:00:32
3	Adam Vandolder	0.02 s	Python 3	2017-11-01 16:50:49
4	Alexei Fedotov	0.02 s	Python 3	2017-11-03 21:29:19
5	Nathan Helgeson	0.02 s	Python 3	2017-11-19 02:47:10
6	Susan Fox	0.02 s	Python 3	2018-02-08 03:30:12
7	Son Phan	0.02 s	Python 3	2018-02-15 02:54:50
8	Ling Ma	0.02 s	Python 3	2018-02-15 03:07:53
9	Noah Ó Donnaile	0.02 s	Python 3	2018-03-15 03:58:22
10	Ram Basnet	0.02 s	Python 3	2018-03-25 04:43:34

#	User	Runtime	Language	Date
1	Jinwoo Lee	0.41 s	Racket	2025-02-05 05:45:12

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Ruby	2019-09-27 20:29:31
2	Macdara mac an tSionnaigh	0.05 s	Ruby	2019-10-05 20:58:40
3	Kok Dith	0.06 s	Ruby	2021-08-24 15:12:33
4	Donald Dong	0.07 s	Ruby	2018-05-20 23:22:59

#	User	Length	Language	Date
1	Chenzhang Hu	1510	Bash	2024-04-17 18:58:34

#	User	Length	Language	Date
1	pengin	795	C	2021-08-17 13:21:53
2	俞丞訓	821	C	2023-02-20 12:22:26
3	Marcel Goh	1042	C	2019-11-24 22:19:15
4	Bo Stokes	1114	C	2025-09-09 22:02:00
5	Hidden user	1130	C	2019-04-05 04:01:17
6	Patrick Terrell	1148	C	2023-12-08 21:47:42
7	Andrew Roberts	1161	C	2018-04-18 11:19:55
8	Matthew Weston	1184	C	2022-01-23 17:54:24
9	PhilCampbell	1237	C	2021-01-17 12:50:36
10	Julian Duniec	1239	C	2023-09-10 09:47:19

#	User	Length	Language	Date
1	Thomas Norris	1274	C#	2019-10-17 18:20:49
2	Göran Andersson	1526	C#	2022-05-14 18:44:27
3	Gustav Kalander	1531	C#	2018-09-02 10:20:42
4	Kunwei Zhang	2359	C#	2018-02-18 03:04:40
5	Nathan Andrews	3082	C#	2024-10-01 19:57:47
6	Mike Garrett	3586	C#	2019-02-17 04:10:11
7	Johan Pettersson	3770	C#	2018-02-11 20:14:16
8	Mikael Fiala-Lundström	4217	C#	2021-04-24 17:07:05
9	Ludwig Hedeby	5164	C#	2017-11-27 23:42:09
10	Faisal Rahman	5585	C#	2017-11-12 12:51:56

#	User	Length	Language	Date
1	Kyra Zhou	373	C++	2025-03-27 13:40:15
2	Armen Andreasyan	507	C++	2019-02-01 11:46:28
3	Johan Wind	539	C++	2018-04-02 08:11:10
4	Goutham Bijja	550	C++	2021-11-21 13:35:17
5	Jiacheng Liu	558	C++	2018-07-29 18:21:47
6	Tor Myklebust	571	C++	2018-04-24 04:55:22
7	Yeung Man Tsung	581	C++	2022-11-25 08:45:43
8	Nick Ng	584	C++	2019-04-08 18:25:49
9	Mugeon Kim	584	C++	2024-03-25 05:34:37
10	陳楷元	597	C++	2024-03-10 16:42:57

#	User	Length	Language	Date
1	Hidden user	2131	Common Lisp	2019-06-21 06:38:15
2	David Cawthon	2202	Common Lisp	2020-07-19 03:34:23

#	User	Length	Language	Date
1	Yuen Wei Hao	1627	Fortran	2023-12-26 09:23:41

#	User	Length	Language	Date
1	Krzysztof Gibuła	728	Go	2021-05-07 22:23:51
2	Ian Howell	1240	Go	2020-01-23 21:46:49
3	Norbert Voelker	1313	Go	2021-04-22 00:47:29
4	Iker Lissarrague	1626	Go	2022-04-23 09:25:05
5	Akhikumar Indurti	1809	Go	2018-10-11 03:04:57
6	Magix	1959	Go	2020-12-12 23:27:17
7	James Robb	2416	Go	2020-05-12 12:23:49
8	James Robb	2497	Go	2020-05-11 14:19:29

#	User	Length	Language	Date
1	Jan Hrček	1313	Haskell	2020-11-10 19:59:34
2	Håkon Flatval	1883	Haskell	2018-09-02 23:33:06
3	Hidden user	2189	Haskell	2019-08-27 17:11:04
4	Steinar Simonnes	2845	Haskell	2024-03-05 10:29:11
5	Jason Hooper	4559	Haskell	2021-03-20 17:26:50

#	User	Length	Language	Date
1	Adam Abdalla	687	Java	2019-02-28 17:21:53
2	Jiru Xu	875	Java	2017-11-03 04:43:01
3	Eric Leow Yu Quan	876	Java	2020-11-30 14:12:46
4	Nathan Nguyen	881	Java	2020-06-19 21:18:38
5	Raymond Arrington	884	Java	2024-06-20 07:13:08
6	Thomas King	909	Java	2020-06-19 23:40:39
7	Alex Coleman	964	Java	2017-11-03 19:54:42
8	Leo Wang	996	Java	2018-10-13 06:53:51
9	Michael Ware	1032	Java	2019-03-15 23:53:06
10	Ali Pervaiz	1033	Java	2019-03-26 04:38:35

#	User	Length	Language	Date
1	Hidden user	1152	JavaScript (Node.js)	2023-11-22 19:55:02
2	Andoko Chandra	1518	JavaScript (Node.js)	2020-10-16 15:55:07
3	Hidden user	1765	JavaScript (Node.js)	2025-02-04 23:43:04
4	Peter Kedemo	1991	JavaScript (Node.js)	2019-12-27 20:23:32
5	Gurpartap Singh Bhatti	2535	JavaScript (Node.js)	2019-03-01 02:38:25
6	Chris Wong	2963	JavaScript (Node.js)	2021-03-01 01:04:07
7	Stephanie Keck	11169	JavaScript (Node.js)	2020-02-08 06:38:09

#	User	Length	Language	Date
1	Jimmy Gustafsson	494	JavaScript (SpiderMonkey)	2024-07-08 21:44:24
2	Christian Cederquist	615	JavaScript (SpiderMonkey)	2023-01-14 10:16:54
3	Peter Menyes	649	JavaScript (SpiderMonkey)	2021-08-23 20:04:12
4	Bjørn Chr. Soltvedt	665	JavaScript (SpiderMonkey)	2017-10-30 01:24:45
5	Zach Tschetter	675	JavaScript (SpiderMonkey)	2023-06-09 20:43:03
6	Evan Magill	1491	JavaScript (SpiderMonkey)	2024-11-23 07:34:38
7	Andri Andresson	1796	JavaScript (SpiderMonkey)	2018-05-06 13:54:50

#	User	Length	Language	Date
1	Noszály Csaba	309	Julia	2025-03-10 09:17:11
2	Timothy Gaede	2546	Julia	2024-06-21 07:16:48

#	User	Length	Language	Date
1	John Bowers	758	Kotlin	2019-02-13 22:43:22
2	Adam Rankin	1186	Kotlin	2023-05-09 04:38:35
3	Allen Guan	1221	Kotlin	2022-03-25 10:26:48
4	Zhengqing Ye	1256	Kotlin	2018-10-13 21:03:51
5	Jacob Huebner	1387	Kotlin	2020-05-31 20:32:59
6	Thanh Le	1390	Kotlin	2020-09-21 06:29:31
7	Min-Zheng Shieh	1399	Kotlin	2021-03-19 07:19:30
8	Emil Wihlander	1533	Kotlin	2024-07-20 00:57:40
9	Kyle Laker	1691	Kotlin	2018-02-23 23:40:58
10	Neil Harmon	1778	Kotlin	2019-04-11 12:22:40

#	User	Length	Language	Date
1	Caleb Austin	1128	Lua	2024-09-27 23:27:28

#	User	Length	Language	Date
1	Joe Walbran	1362	OCaml	2019-11-03 00:52:06

#	User	Length	Language	Date
1	Hidden user	1384	Odin	2025-06-05 23:10:58

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1794	Pascal	2018-03-07 13:28:32

#	User	Length	Language	Date
1	Thomas Feld	438	Python 2	2019-09-05 10:17:37
2	Godmar Back	494	Python 2	2018-10-14 17:07:57
3	Justin Su	515	Python 2	2018-11-13 01:23:00
4	Anton Lyxell	558	Python 2	2019-11-16 13:41:15
5	Joseph Kendall-Morwick	571	Python 2	2017-10-28 22:22:26
6	Andreas Björklund	594	Python 2	2021-03-28 10:05:37
7	Joey Kendall-Morwick	654	Python 2	2017-10-28 22:16:41
8	Johan Lyts	671	Python 2	2019-08-13 15:23:12
9	Denise C Ramos	684	Python 2	2022-03-18 05:51:05
10	Emma Hodge	686	Python 2	2022-03-23 16:53:23

#	User	Length	Language	Date
1	Daniel Keyes	239	Python 3	2022-09-11 02:11:49
2	Michael Goldwasser	275	Python 3	2024-10-10 06:13:57
3	Charles Ancheta	315	Python 3	2023-04-10 21:34:46
4	Ahmed Chamseddine	333	Python 3	2024-07-18 17:00:21
5	Bo Stokes	391	Python 3	2024-09-17 03:02:10
6	Thibault Raffaillac	411	Python 3	2021-02-26 15:13:26
7	Wong Tse Jian	426	Python 3	2022-11-18 10:48:08
8	Ninghui Li	437	Python 3	2024-07-28 02:51:33
9	April Chao	440	Python 3	2021-11-01 06:38:39
10	Liu Wenrong	441	Python 3	2023-12-04 08:43:00

#	User	Length	Language	Date
1	Jinwoo Lee	1341	Racket	2025-02-05 05:50:12

#	User	Length	Language	Date
1	Hidden user	509	Ruby	2019-09-27 20:29:31
2	Macdara mac an tSionnaigh	635	Ruby	2019-10-05 20:58:40
3	Kok Dith	808	Ruby	2021-08-24 15:12:33
4	Donald Dong	843	Ruby	2018-05-20 23:22:59

#	User	Length	Language	Date
1	Vincent Lagerros	1038	Rust	2025-02-06 21:18:42
2	David Zacek	1404	Rust	2021-06-09 22:20:54
3	Henrik Josefsson	1414	Rust	2025-07-16 11:45:51
4	Birk Tjelmeland	1532	Rust	2019-02-19 10:41:09
5	Artur Khuziakhmetov	1666	Rust	2022-07-13 15:20:25
6	Freek van Keulen	1805	Rust	2021-07-25 19:34:17
7	David Rasch	2038	Rust	2020-09-08 16:30:12
8	Bas Dirks	2203	Rust	2022-01-04 09:13:35
9	Eric Pinter	2848	Rust	2021-06-04 23:26:34
10	Joe Blower	2853	Rust	2025-08-12 03:17:40

Solution running time distribution