Problem A
Goblin Garden Guards — Problem Statistics

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Submissions	4418
Accepted submissions	881
Submission ratio	19.94%
Authors	681
Full solves [?]	492
Full solve Ratio	72.25%

#	User	Runtime	Language	Date
1	Måns Magnusson	0.29 s	C	2015-10-18 01:48:05
2	Snild Dolkow	0.41 s	C	2015-10-17 12:05:51
3	Hidden user	0.69 s	C	2018-04-15 09:46:01
4	Pål Forsberg	0.70 s	C	2015-10-11 11:40:21
5	Mikael Hedin	0.80 s	C	2015-10-26 09:40:06
6	Ivan Petrov	0.82 s	C	2019-10-15 14:39:35
7	Martin Vonheim Larsen	1.00 s	C	2015-10-10 18:01:44
8	Muhammad Tahir Ghazi	1.14 s	C	2024-02-06 06:42:28
9	Hidden user	2.02 s	C	2016-06-14 15:16:33
10	Rasmus Killmann	2.02 s	C	2016-10-07 15:06:54

#	User	Runtime	Language	Date
1	Thomas Heder	1.67 s	C#	2016-10-06 12:59:42
2	Gunnar Kreitz	1.96 s	C#	2015-10-10 10:32:39
3	Håkan Sjöström	2.16 s	C#	2015-10-21 19:52:52

#	User	Runtime	Language	Date
1	SoMin Mun	0.05 s	C++	2015-10-10 13:34:15
2	Jeremy Lim	0.05 s	C++	2025-03-13 07:25:08
3	Gerth Stølting Brodal	0.07 s	C++	2015-10-11 16:34:06
4	Максим Финютин	0.08 s	C++	2015-10-10 11:48:34
5	David Brink	0.09 s	C++	2023-10-19 14:41:52
6	Kieran Horgan	0.11 s	C++	2018-05-02 20:25:37
7	Ludo Pulles	0.12 s	C++	2017-01-14 13:35:13
8	Muhammad Irham Rasyidi	0.12 s	C++	2017-04-15 15:35:50
9	Asger Hautop Drewsen	0.12 s	C++	2017-10-04 13:13:30
10	Emanuele Marsicano	0.12 s	C++	2019-10-15 13:54:51

#	User	Runtime	Language	Date
1	Isaac Arvestad	1.84 s	Haskell	2017-02-19 18:36:35

#	User	Runtime	Language	Date
1	David Brink	0.31 s	Java	2017-10-14 14:55:25
2	Pradyumn Agrawal	0.56 s	Java	2017-11-04 14:06:40
3	Anders Hagward	0.57 s	Java	2015-10-31 23:15:55
4	Santiago Gutierrez Alzate	0.64 s	Java	2015-10-31 20:17:21
5	Sumeet Varma	0.65 s	Java	2015-10-10 14:06:43
6	Maj Stenmark	0.85 s	Java	2018-08-05 21:01:34
7	Nick Wu	0.88 s	Java	2015-10-10 12:02:33
8	Måns Magnusson	0.90 s	Java	2015-10-23 19:41:31
9	Joshua Linge	0.98 s	Java	2015-10-12 01:28:35
10	Snild Dolkow	0.99 s	Java	2015-10-10 20:01:42

#	User	Runtime	Language	Date
1	Christopher Walther	0.81 s	JavaScript (SpiderMonkey)	2021-04-30 18:31:14
2	Christian Pilegaard Cederquist	1.09 s	JavaScript (SpiderMonkey)	2023-11-01 22:21:20

#	User	Runtime	Language	Date
1	Andreas Wassum	2.64 s	Kotlin	2020-04-14 23:37:42

#	User	Runtime	Language	Date
1	Frederik Højholt	0.74 s	Python 2	2015-10-24 22:32:46
2	Andreas Björklund	1.13 s	Python 2	2019-05-19 19:08:36
3	Marcus Johansson	1.51 s	Python 2	2016-11-12 11:27:27
4	Thore Husfeldt	1.85 s	Python 2	2019-05-21 08:09:43

#	User	Runtime	Language	Date
1	Adam Benali	1.90 s	Python 3	2021-09-30 19:56:55
2	Nicholas Russell Saerang	2.49 s	Python 3	2024-05-31 17:24:11
3	Ole Vik Lysne	2.58 s	Python 3	2024-12-08 16:52:23
4	Yi-Min Seah	2.80 s	Python 3	2022-05-07 15:59:25

#	User	Runtime	Language	Date
1	Hidden user	0.19 s	Rust	2025-06-22 14:27:46
2	Pahlevi Fikri Auliya	1.77 s	Rust	2020-11-28 05:00:12

#	User	Length	Language	Date
1	Josenildo Silva	477	C	2017-01-29 13:51:46
2	Albin Heimerson	675	C	2015-10-16 23:27:32
3	Ivan Petrov	732	C	2019-10-15 14:39:35
4	Anas Limouri	746	C	2017-11-17 18:38:29
5	Batool Ali Akbar	766	C	2024-02-06 15:51:37
6	Vincent Lin	772	C	2018-11-25 07:10:59
7	Rick van Rheenen	810	C	2016-03-24 22:09:14
8	Hidden user	810	C	2016-06-14 15:16:33
9	Rasmus Killmann	810	C	2016-10-07 15:06:54
10	Snild Dolkow	813	C	2015-10-17 08:37:47

#	User	Length	Language	Date
1	Håkan Sjöström	1656	C#	2015-10-21 19:42:10
2	Gunnar Kreitz	1938	C#	2015-10-10 10:32:39
3	Thomas Heder	2725	C#	2015-10-17 00:20:43

#	User	Length	Language	Date
1	Mikael Häglund	379	C++	2024-09-26 14:05:04
2	oy9r	382	C++	2024-03-31 09:58:50
3	Vu Duy Dung	419	C++	2017-11-03 09:33:42
4	Á Cường	483	C++	2017-11-03 08:57:46
5	William Gan	536	C++	2017-02-03 19:25:46
6	Erik Amirell Eklöf	556	C++	2019-08-31 20:59:33
7	พุฒิเศรษฐ์ him him him	561	C++	2024-02-03 04:49:49
8	Johan Wind	562	C++	2018-04-20 00:09:11
9	zhang Mr	566	C++	2025-07-28 08:03:13
10	Thanh Bình Nguyễn	616	C++	2017-11-03 09:49:58

#	User	Length	Language	Date
1	Isaac Arvestad	4957	Haskell	2017-02-19 18:36:35

#	User	Length	Language	Date
1	Lena Ruiz	1005	Java	2016-03-26 22:12:27
2	Eskil Jarlskog	1035	Java	2015-10-11 10:13:09
3	Eric Leow Yu Quan	1056	Java	2021-04-18 17:03:13
4	Matthew Garrison	1106	Java	2017-10-22 13:13:37
5	Andreas Jansson	1118	Java	2015-10-16 00:25:05
6	Rasmus Killmann	1227	Java	2016-10-07 15:35:00
7	Marcel Wienöbst	1302	Java	2016-06-13 20:51:32
8	Magnar Myrtveit	1323	Java	2015-10-11 00:47:35
9	Måns Magnusson	1380	Java	2015-10-23 19:41:31
10	Snild Dolkow	1387	Java	2015-10-10 19:39:29

#	User	Length	Language	Date
1	Christopher Walther	2571	JavaScript (SpiderMonkey)	2021-04-30 18:31:14
2	Christian Pilegaard Cederquist	3359	JavaScript (SpiderMonkey)	2023-11-01 22:21:20

#	User	Length	Language	Date
1	Andreas Wassum	5296	Kotlin	2020-04-14 23:37:42

#	User	Length	Language	Date
1	Frederik Højholt	826	Python 2	2015-10-24 22:32:46
2	Marcus Johansson	1128	Python 2	2016-11-12 11:27:27
3	Andreas Björklund	1290	Python 2	2019-05-19 19:08:36
4	Thore Husfeldt	96314	Python 2	2019-05-21 08:09:43

#	User	Length	Language	Date
1	Nicholas Russell Saerang	607	Python 3	2024-05-31 17:34:01
2	Ole Vik Lysne	1302	Python 3	2024-12-08 19:41:45
3	Yi-Min Seah	2043	Python 3	2022-05-07 15:59:25
4	Adam Benali	4754	Python 3	2021-09-30 19:56:55

#	User	Length	Language	Date
1	Pahlevi Fikri Auliya	2758	Rust	2020-11-28 05:00:12
2	Hidden user	10227	Rust	2025-06-22 14:27:46

Solution running time distribution