Problem A
Freckles — Problem Statistics

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Submissions	6673
Accepted submissions	1670
Submission ratio	25.03%
Authors	1309
Full solves [?]	1056
Full solve Ratio	80.67%

#	User	Runtime	Language	Date
1	Jorge EstradaMartinez	0.03 s	C	2025-02-09 08:04:54
2	Tran Tuong Minh Nguyen	0.04 s	C	2018-01-28 05:36:11
3	Katja Nikole Vernharðsdóttir	0.81 s	C	2023-03-13 17:27:29
4	Mirel Cosulschi	0.82 s	C	2024-06-24 22:28:49
5	Bergur Snorrason	0.85 s	C	2019-03-11 19:51:29
6	Matt Hurst	0.87 s	C	2025-02-09 02:05:12
7	Hidden user	0.87 s	C	2025-02-10 00:31:03

#	User	Runtime	Language	Date
1	Андрей Титов	0.23 s	C#	2016-03-01 08:02:07
2	Simon Ståhlberg	0.63 s	C#	2014-03-03 23:56:03

#	User	Runtime	Language	Date
1	Antoni Guz	0.02 s	C++	2019-01-19 21:07:49
2	Dumitru Damaschin	0.02 s	C++	2019-04-02 14:33:26
3	Leif Eriksson	0.02 s	C++	2024-03-07 13:24:33
4	Dmitry Lyubshin	0.03 s	C++	2018-04-22 09:39:34
5	Herman Appelgren	0.03 s	C++	2020-08-31 10:27:35
6	Hidden user	0.03 s	C++	2021-04-19 21:01:19
7	Levi Frey	0.03 s	C++	2024-06-02 02:56:15
8	Thanh Tùng	0.04 s	C++	2015-10-09 11:18:28
9	Nguyen Quoc Anh	0.04 s	C++	2016-05-09 16:56:34
10	Jaime Villalobos	0.04 s	C++	2017-07-07 16:51:36

#	User	Runtime	Language	Date
1	Norbert Voelker	0.35 s	Go	2021-02-25 21:57:01
2	James Robb	1.63 s	Go	2020-05-12 19:19:35
3	James Robb	1.64 s	Go	2020-05-12 19:20:14

#	User	Runtime	Language	Date
1	Mason Barnhill	1.81 s	Haskell	2023-05-21 08:23:51

#	User	Runtime	Language	Date
1	Jonas Haglund	0.34 s	Java	2014-03-03 14:30:56
2	Micah Stairs	0.34 s	Java	2016-02-12 17:22:46
3	William Fiset	0.35 s	Java	2016-02-14 19:55:52
4	Finn Lidbetter	0.35 s	Java	2016-02-23 22:36:41
5	Peter Beattie	0.35 s	Java	2017-12-14 20:10:06
6	Crystal Sharpe	0.35 s	Java	2020-05-04 20:04:00
7	Tobias Andersson	0.36 s	Java	2014-03-03 14:38:04
8	Nicholas Russell Saerang	0.36 s	Java	2021-04-08 10:52:50
9	Mouhssine Assaoud	0.37 s	Java	2016-10-27 00:27:52
10	Issam Baskati	0.38 s	Java	2017-10-08 03:13:27

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.21 s	JavaScript (SpiderMonkey)	2017-01-04 22:19:19
2	Christian Pilegaard Cederquist	0.26 s	JavaScript (SpiderMonkey)	2023-07-04 10:08:52

#	User	Runtime	Language	Date
1	Adam Rankin	0.67 s	Kotlin	2023-09-18 02:42:49
2	Chelsea Hoernemann	1.65 s	Kotlin	2022-12-11 20:22:48

#	User	Runtime	Language	Date
1	Harry Smidt	0.23 s	Python 2	2019-10-16 21:56:32
2	Måns Magnusson	0.39 s	Python 2	2018-10-30 15:02:25
3	Lars Åström	0.42 s	Python 2	2019-06-24 00:43:21
4	Oskar Haarklou Veileborg	0.60 s	Python 2	2019-11-06 12:22:14
5	Bjarki Ágúst Guðmundsson	1.03 s	Python 2	2019-05-15 16:46:33
6	Bjarni Jens Kristinsson	1.07 s	Python 2	2019-05-15 16:49:58
7	Björn Gunnarsson	1.49 s	Python 2	2018-05-08 17:18:34

#	User	Runtime	Language	Date
1	William Royster	0.19 s	Python 3	2025-12-04 22:39:48
2	UTM CS AI	0.20 s	Python 3	2024-10-01 22:58:27
3	Jiaming Kong	0.20 s	Python 3	2025-08-07 11:02:24
4	paopaomate	0.20 s	Python 3	2026-03-16 09:57:54
5	Nguyên Khôi Đỗ	0.21 s	Python 3	2025-02-04 17:36:04
6	Hidden user	0.21 s	Python 3	2025-03-09 14:13:32
7	Viktor Már Guðmundsson	0.25 s	Python 3	2023-03-14 13:02:21
8	Kári Hlynsson	0.25 s	Python 3	2023-03-15 17:21:17
9	Hidden user	0.25 s	Python 3	2024-06-04 06:50:49
10	Jorge EstradaMartinez	0.25 s	Python 3	2025-02-07 16:09:09

#	User	Runtime	Language	Date
1	Logan Detrick	0.01 s	Rust	2024-05-18 22:18:10
2	Vincent Lagerros	0.01 s	Rust	2024-09-06 17:16:08
3	Eskil Queseth	0.19 s	Rust	2020-09-06 18:08:28
4	Artur Khuziakhmetov	0.21 s	Rust	2025-12-23 07:33:42
5	Isak Jägberg	0.29 s	Rust	2024-10-15 15:37:19
6	Kristinn Vikar	0.47 s	Rust	2023-10-16 01:40:46
7	Adam Yaser Sweilem	0.91 s	Rust	2025-05-04 12:33:12
8	Petr Sabel	0.92 s	Rust	2023-09-28 08:08:30
9	Florian Nagel	1.11 s	Rust	2020-01-09 14:23:31

#	User	Length	Language	Date
1	Jorge EstradaMartinez	1599	C	2025-02-09 08:49:47
2	Tran Tuong Minh Nguyen	1646	C	2018-01-28 05:36:11
3	Mirel Cosulschi	2084	C	2024-06-24 20:44:12
4	Hidden user	2631	C	2025-02-10 00:31:03
5	Matt Hurst	2667	C	2025-02-09 02:05:12
6	Katja Nikole Vernharðsdóttir	2854	C	2023-03-13 17:27:29
7	Bergur Snorrason	2898	C	2019-03-11 19:51:07

#	User	Length	Language	Date
1	Андрей Титов	3688	C#	2016-03-01 07:28:05
2	Simon Ståhlberg	7487	C#	2014-03-03 23:56:03

#	User	Length	Language	Date
1	Lim An Jun	739	C++	2023-04-04 10:50:48
2	Johan Wind	796	C++	2018-04-04 19:46:47
3	Frederick Pek	828	C++	2021-05-12 07:23:40
4	Donald Dong	836	C++	2019-04-10 23:38:56
5	Jerrell Ezralemuel	931	C++	2024-03-17 18:43:12
6	Rafael Kristoforus Yanto	931	C++	2026-01-19 18:20:08
7	Lim Yun Kai	935	C++	2016-07-26 11:53:50
8	Ng Mun Hin	958	C++	2025-12-18 17:08:05
9	Thor Eriksen	972	C++	2020-07-04 14:48:35
10	William Gan	975	C++	2017-02-27 08:27:33

#	User	Length	Language	Date
1	James Robb	3696	Go	2020-05-12 19:19:56
2	James Robb	3696	Go	2020-05-12 19:20:14
3	Norbert Voelker	4234	Go	2021-09-11 01:29:21

#	User	Length	Language	Date
1	Mason Barnhill	2167	Haskell	2023-05-21 08:23:51

#	User	Length	Language	Date
1	Doug Goodman	979	Java	2017-12-01 17:25:41
2	Hidden user	1239	Java	2017-10-13 09:49:43
3	Hidden user	1304	Java	2018-03-27 09:43:10
4	Phan Huỳnh Anh Thư	1440	Java	2023-10-16 03:57:49
5	Quang Do Minh	1440	Java	2023-11-16 22:42:32
6	Hidden user	1479	Java	2023-10-13 06:49:57
7	Ali Zarrini	1497	Java	2017-11-09 06:41:54
8	David Becerra	1532	Java	2020-04-21 22:29:28
9	Tai Bui	1535	Java	2018-04-15 06:16:44
10	Markus Bao	1549	Java	2025-12-07 23:21:05

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	848	JavaScript (SpiderMonkey)	2023-07-04 10:08:52
2	Bjørn Chr. Soltvedt	2917	JavaScript (SpiderMonkey)	2017-01-04 22:19:19

#	User	Length	Language	Date
1	Adam Rankin	2309	Kotlin	2023-09-18 02:42:49
2	Chelsea Hoernemann	2529	Kotlin	2022-12-11 20:22:48

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	579	Python 2	2019-11-06 12:22:14
2	Lars Åström	789	Python 2	2019-06-24 00:43:21
3	Måns Magnusson	1118	Python 2	2018-10-30 15:02:25
4	Bjarki Ágúst Guðmundsson	1537	Python 2	2018-05-08 17:14:02
5	Bjarni Jens Kristinsson	1538	Python 2	2019-05-15 16:49:58
6	Björn Gunnarsson	1618	Python 2	2018-05-08 17:18:34
7	Harry Smidt	2412	Python 2	2019-10-16 21:56:32

#	User	Length	Language	Date
1	Hidden user	383	Python 3	2025-02-10 00:23:40
2	Nguyên Khôi Đỗ	390	Python 3	2025-02-04 17:05:01
3	Hidden user	568	Python 3	2024-10-31 12:04:39
4	Ahmed Chamseddine	597	Python 3	2025-06-23 00:28:18
5	Clement Oh	637	Python 3	2024-02-09 16:56:01
6	Maarten Sebregts	647	Python 3	2020-07-12 09:24:38
7	Tomer Sedan	659	Python 3	2023-02-09 03:23:35
8	Hidden user	740	Python 3	2025-03-24 21:46:12
9	Lars Jaffke	744	Python 3	2025-02-13 15:36:36
10	Hallgrímur Haraldsson	800	Python 3	2023-03-14 16:02:16

#	User	Length	Language	Date
1	Artur Khuziakhmetov	1795	Rust	2025-12-23 07:03:54
2	Eskil Queseth	2360	Rust	2020-09-06 18:08:28
3	Petr Sabel	2857	Rust	2023-09-28 08:08:30
4	Logan Detrick	2996	Rust	2024-05-18 22:18:10
5	Isak Jägberg	3528	Rust	2024-10-15 15:37:19
6	Adam Yaser Sweilem	3943	Rust	2025-05-04 12:39:51
7	Florian Nagel	4468	Rust	2020-01-09 14:23:31
8	Kristinn Vikar	5196	Rust	2023-10-16 01:40:46
9	Vincent Lagerros	8586	Rust	2024-05-22 00:14:25

Solution running time distribution