Problem I
Flood-It — Problem Statistics

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Submissions	1761
Accepted submissions	375
Submission ratio	21.29%
Authors	387
Full solves [?]	289
Full solve Ratio	74.68%

#	User	Runtime	Language	Date
1	Jón Steinn Elíasson	0.00 s	C	2017-07-10 23:06:27
2	Matthew Ling	0.00 s	C	2018-01-17 04:27:42
3	Ng Wei Jie	0.00 s	C	2020-02-17 21:22:36
4	Samuel Quiroz	0.00 s	C	2023-04-13 18:53:13
5	Stefan Gillsbro Carrillo	0.00 s	C	2024-02-28 12:13:34
6	Nicolai	0.00 s	C	2025-11-20 14:22:28
7	Bergur Snorrason	0.01 s	C	2019-11-15 07:40:49
8	Sabit Zahin	0.02 s	C	2017-01-26 22:48:00
9	Ivan Petrov	0.02 s	C	2019-08-06 09:35:04
10	Sambit Palit	0.02 s	C	2020-11-26 20:23:49

#	User	Runtime	Language	Date
1	Erik van Holland	0.08 s	C#	2019-09-05 15:57:59
2	Hannes van den Berg	0.27 s	C#	2024-10-29 20:46:36
3	Sifund’sihle Xaba	0.36 s	C#	2023-06-12 23:22:28
4	Steven Heinen	0.38 s	C#	2025-09-04 17:44:06
5	Judit Horvath	0.98 s	C#	2025-03-12 22:01:35

#	User	Runtime	Language	Date
1	Sergio Vieri	0.00 s	C++	2018-04-05 05:16:59
2	Josenildo Silva	0.00 s	C++	2018-04-12 19:25:13
3	Mohammadmahdi barghi	0.00 s	C++	2020-12-11 10:53:07
4	suraj mathashery	0.00 s	C++	2021-09-26 00:16:33
5	Charlotte Zhuang	0.00 s	C++	2021-12-05 00:53:10
6	Kexuan Miao	0.00 s	C++	2023-02-23 19:40:53
7	Jack Christman	0.00 s	C++	2023-03-31 03:14:37
8	Khang Phu Hong Can Pham	0.00 s	C++	2024-04-20 12:50:13
9	Billy Chen	0.00 s	C++	2025-11-07 01:17:12
10	Johan Sannemo	0.01 s	C++	2016-11-15 18:40:52

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-12-01 19:56:53

#	User	Runtime	Language	Date
1	Martijn Muijsers	0.08 s	Java	2017-03-22 17:30:17
2	Bjørn Dons	0.10 s	Java	2018-10-04 23:31:26
3	Yara Omar	0.11 s	Java	2023-03-07 19:37:51
4	Nikolay Nizovkin	0.12 s	Java	2022-05-29 17:20:27
5	Leon Wang	0.12 s	Java	2024-10-25 01:31:03
6	Casey Hofland	0.13 s	Java	2017-06-29 10:15:17
7	Jonathan Hartnett	0.13 s	Java	2017-09-27 08:18:56
8	Kol Greenbaum	0.13 s	Java	2023-03-30 22:51:35
9	Doug Goodman	0.14 s	Java	2017-08-04 21:16:22
10	Jack Fang	0.14 s	Java	2024-10-25 01:55:21

#	User	Runtime	Language	Date
1	Noak Pettersson	0.46 s	JavaScript (Node.js)	2023-06-01 15:28:26

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.21 s	JavaScript (SpiderMonkey)	2018-12-02 22:24:05
2	Christian Pilegaard Cederquist	1.00 s	JavaScript (SpiderMonkey)	2023-08-10 20:38:43

#	User	Runtime	Language	Date
1	Timothy Gaede	0.92 s	Julia	2025-12-03 16:00:50

#	User	Runtime	Language	Date
1	Witte, Chet	0.31 s	Kotlin	2022-03-13 01:41:12
2	Jacob Huebner	0.32 s	Kotlin	2022-03-10 03:41:11

#	User	Runtime	Language	Date
1	Andreas Björklund	0.13 s	Python 2	2020-09-01 18:56:05
2	Ciara Godwin	0.15 s	Python 2	2018-04-25 19:48:18
3	Natan S	0.16 s	Python 2	2024-03-16 17:52:35
4	Björn Magnusson	0.35 s	Python 2	2020-08-30 12:17:16
5	Cian Ruane	0.36 s	Python 2	2018-04-23 12:18:18

#	User	Runtime	Language	Date
1	Sonny Chan	0.13 s	Python 3	2020-05-06 23:24:56
2	Braydon Hunt	0.14 s	Python 3	2022-02-21 23:27:07
3	Kamiel Cornelissen	0.15 s	Python 3	2025-08-14 16:58:25
4	Alex Park	0.16 s	Python 3	2024-11-01 05:19:22
5	Mithul Manivannan	0.18 s	Python 3	2021-09-25 20:18:06
6	Markus Krabbe Larsen	0.18 s	Python 3	2022-01-14 14:35:06
7	Drake Cullen	0.18 s	Python 3	2023-03-07 04:00:31
8	Youshlen Nadesan	0.18 s	Python 3	2023-06-24 13:50:26
9	Roark Isaacs	0.18 s	Python 3	2023-07-10 01:43:27
10	Filip Tran	0.18 s	Python 3	2023-10-30 13:39:57

#	User	Runtime	Language	Date
1	Lukas Dutrieux	0.02 s	Rust	2025-11-04 15:34:39

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	Swift	2023-10-18 17:27:56

#	User	Length	Language	Date
1	Sabit Zahin	1792	C	2017-01-26 22:48:00
2	Ivan Petrov	2158	C	2019-08-06 09:35:04
3	Mirel Cosulschi	2404	C	2025-01-11 15:37:50
4	Sambit Palit	3803	C	2020-11-26 20:23:49
5	Bergur Snorrason	4190	C	2019-11-15 07:40:49
6	Stefan Gillsbro Carrillo	6412	C	2024-02-29 12:56:53
7	Matthew Ling	6566	C	2018-01-17 04:27:42
8	Ng Wei Jie	6566	C	2020-02-17 21:22:36
9	Samuel Quiroz	6777	C	2023-04-13 18:53:13
10	Nicolai	6777	C	2025-11-20 14:22:28

#	User	Length	Language	Date
1	Sifund’sihle Xaba	3434	C#	2023-06-12 23:22:28
2	Judit Horvath	4120	C#	2025-03-12 22:01:35
3	Hannes van den Berg	5683	C#	2025-03-19 11:46:54
4	Erik van Holland	5764	C#	2019-09-05 15:57:59
5	Steven Heinen	5811	C#	2025-09-04 17:44:06

#	User	Length	Language	Date
1	Markus Mathiasen	1372	C++	2023-07-21 13:35:55
2	Herman Karlsson	1417	C++	2016-11-15 23:34:52
3	Thomas Marlowe	1425	C++	2024-10-25 01:45:13
4	Johan Sannemo	1451	C++	2016-11-15 18:40:52
5	Grae Yeandle	1493	C++	2021-03-23 09:54:37
6	Ragur Krishnan	1533	C++	2018-11-21 04:01:51
7	Elston Aw	1671	C++	2018-05-05 03:45:04
8	Hidden user	1757	C++	2020-11-24 18:34:33
9	Taeho Kim	1757	C++	2021-01-25 08:35:56
10	Dominic Sagen	1764	C++	2023-10-26 01:09:24

#	User	Length	Language	Date
1	Norbert Voelker	2752	Go	2021-12-01 20:13:58

#	User	Length	Language	Date
1	Thang Le	2049	Java	2018-11-01 04:47:01
2	Thomas King	2400	Java	2020-07-18 20:33:16
3	Doug Goodman	2522	Java	2017-08-04 21:16:22
4	Micah Stairs	2575	Java	2017-01-11 04:45:33
5	Lucas Wood	2601	Java	2017-04-20 05:07:42
6	Tobias Lehnert	2719	Java	2018-06-12 15:22:47
7	Martijn Muijsers	2863	Java	2017-03-22 17:30:17
8	Markus Bao	3498	Java	2022-09-24 19:41:27
9	Crystal Sharpe	3556	Java	2020-05-26 01:41:02
10	Dylan Smith	3739	Java	2020-07-22 21:07:07

#	User	Length	Language	Date
1	Noak Pettersson	3057	JavaScript (Node.js)	2023-06-01 16:04:24

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	1752	JavaScript (SpiderMonkey)	2016-11-21 01:19:25
2	Christian Pilegaard Cederquist	2642	JavaScript (SpiderMonkey)	2023-08-10 20:38:43

#	User	Length	Language	Date
1	Timothy Gaede	2635	Julia	2025-12-03 16:00:50

#	User	Length	Language	Date
1	Jacob Huebner	2719	Kotlin	2022-03-10 03:41:11
2	Witte, Chet	2916	Kotlin	2022-03-13 01:41:12

#	User	Length	Language	Date
1	Björn Magnusson	1351	Python 2	2020-08-30 12:17:16
2	Andreas Björklund	1415	Python 2	2020-09-01 18:56:05
3	Cian Ruane	1448	Python 2	2018-04-23 12:18:18
4	Ciara Godwin	2076	Python 2	2018-04-25 19:29:10
5	Natan S	2875	Python 2	2024-03-16 17:52:35

#	User	Length	Language	Date
1	Nicholas Russell Saerang	1026	Python 3	2024-05-20 15:52:32
2	Maj Stenmark	1245	Python 3	2020-08-30 12:43:17
3	Måns Magnusson	1245	Python 3	2020-08-30 20:12:49
4	David Lolck	1272	Python 3	2022-01-14 14:13:28
5	Casper Rysgaard	1376	Python 3	2020-07-22 21:55:08
6	Jonatan Nilsson	1450	Python 3	2020-08-30 12:21:34
7	Markus Krabbe Larsen	1491	Python 3	2022-01-14 14:35:06
8	Donald Lee	1541	Python 3	2021-12-09 06:24:24
9	Kaaden RumanCam	1589	Python 3	2023-01-07 05:58:46
10	Ryoki Kunii	1687	Python 3	2021-12-05 00:26:31

#	User	Length	Language	Date
1	Lukas Dutrieux	4790	Rust	2025-11-04 15:34:39

#	User	Length	Language	Date
1	Hidden user	3623	Swift	2023-10-18 17:27:56

Solution running time distribution