Problem F
ls — Problem Statistics

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Submissions	2422
Accepted submissions	750
Submission ratio	30.97%
Authors	670
Full solves [?]	523
Full solve Ratio	78.06%

#	User	Runtime	Language	Date
1	Arvid Jonasson	0.02 s	APL	2025-06-22 17:20:09

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2018-12-24 14:01:36
2	Bergur Snorrason	0.00 s	C	2019-07-05 19:00:25
3	Ivan Petrov	0.00 s	C	2019-07-17 13:08:19
4	Daniel	0.00 s	C	2021-11-27 14:38:53
5	Oscar Kamf	0.00 s	C	2022-06-15 20:51:29
6	Mirel Cosulschi	0.00 s	C	2023-01-03 12:29:41
7	Erik Sundin	0.00 s	C	2024-02-13 09:01:37
8	Solomon Tikabo	0.00 s	C	2025-02-17 18:17:30

#	User	Runtime	Language	Date
1	Renjith Sebastian	0.02 s	C#	2017-09-23 11:03:46
2	Klas af Geijerstam	0.02 s	C#	2017-09-24 12:24:54
3	Fredrik Baldhagen	0.04 s	C#	2024-10-28 14:26:16
4	Peter Cederqvist	0.04 s	C#	2025-07-22 14:29:30
5	Jan Matthiessen	0.05 s	C#	2024-09-21 14:45:33

#	User	Runtime	Language	Date
1	Javier Gómez Díaz	0.00 s	Crystal	2024-07-28 13:49:50

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.11 s	F#	2023-09-23 11:29:13

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.02 s	Go	2022-06-20 19:44:19
2	Norbert Voelker	0.02 s	Go	2023-03-29 10:27:21
3	Godmar Back	0.08 s	Go	2020-10-19 00:47:14

#	User	Runtime	Language	Date
1	Birk Tjelmeland	0.00 s	Haskell	2017-12-22 23:21:44

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.04 s	Java	2024-08-01 09:29:25
2	Alexander Matheson	0.04 s	Java	2025-07-20 06:12:55
3	Hedi Kelesh	0.04 s	Java	2025-09-18 13:41:44
4	Nick Wu	0.05 s	Java	2017-09-27 22:00:22
5	Othmane Bentaleb	0.05 s	Java	2018-08-20 00:24:01
6	Mohamed CHADAD	0.05 s	Java	2018-08-20 01:34:41
7	Jon Cavallie Mester	0.05 s	Java	2024-06-27 13:07:51
8	Issa Issack	0.05 s	Java	2025-07-21 00:55:30
9	Amy Colpitts	0.05 s	Java	2025-07-22 01:11:04
10	Erik Baalhuis	0.06 s	Java	2017-09-29 17:59:49

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2022-06-16 10:39:41
2	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2018-07-31 05:55:58
3	Christopher Walther	0.03 s	JavaScript (SpiderMonkey)	2021-05-14 18:34:08
4	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-07-02 19:20:01

#	User	Runtime	Language	Date
1	Benjamin Ye	0.12 s	Kotlin	2023-02-12 19:29:12
2	Roy Liu	0.16 s	Kotlin	2023-06-18 17:55:52
3	Ali Amid	0.20 s	Kotlin	2024-08-18 17:26:32
4	Adam Rankin	0.22 s	Kotlin	2023-09-14 01:38:23

#	User	Runtime	Language	Date
1	Asger Hautop Drewsen	0.03 s	Python 2	2017-09-29 12:05:40
2	Sigurður Jens Albertsson	0.03 s	Python 2	2017-11-29 17:38:40
3	Thore Husfeldt	0.03 s	Python 2	2018-10-04 18:44:28
4	Hermon Mulat	0.03 s	Python 2	2018-10-12 02:42:27
5	Yanmarshus Bachtiar	0.03 s	Python 2	2020-11-20 09:18:18
6	Maj Stenmark	0.04 s	Python 2	2018-08-16 18:54:03
7	Måns Magnusson	0.04 s	Python 2	2018-08-16 21:40:43
8	Brynjar Sigurðsson	0.05 s	Python 2	2018-05-02 16:53:33
9	Eythor Andri	0.05 s	Python 2	2018-05-03 12:37:37
10	Felix Balthasar Berief	0.05 s	Python 2	2018-10-05 17:02:14

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Python 3	2017-09-23 10:22:35
2	Ciara Godwin	0.02 s	Python 3	2017-09-23 14:14:07
3	Asger Hautop Drewsen	0.02 s	Python 3	2017-09-26 19:04:46
4	Cian Ruane	0.02 s	Python 3	2018-02-27 14:02:07
5	Ram Basnet	0.02 s	Python 3	2018-03-16 05:02:27
6	Bjarki Ágúst Guðmundsson	0.02 s	Python 3	2018-05-04 11:54:12
7	Guðný Lára Guðmundsdóttir	0.02 s	Python 3	2018-05-05 11:20:23
8	Driss Khalil	0.02 s	Python 3	2018-08-20 00:43:06
9	Marko Klemenšek	0.02 s	Python 3	2018-09-01 09:50:13
10	Kasra Ghodsi	0.02 s	Python 3	2018-10-24 13:31:10

#	User	Runtime	Language	Date
1	Miorel Palii	0.03 s	Ruby	2017-12-28 01:02:57
2	Thomas Feld	0.06 s	Ruby	2023-03-28 10:42:59
3	Javier Gómez Díaz	0.07 s	Ruby	2024-07-28 13:32:25

#	User	Length	Language	Date
1	Arvid Jonasson	134	APL	2025-06-22 23:10:10

#	User	Length	Language	Date
1	Erik Sundin	333	C	2024-02-13 09:02:53
2	Hidden user	367	C	2018-12-24 14:01:36
3	Ivan Petrov	838	C	2019-07-17 13:08:19
4	Mirel Cosulschi	902	C	2023-01-03 12:29:41
5	Daniel	1666	C	2021-11-27 14:38:53
6	Solomon Tikabo	1799	C	2025-02-17 18:17:30
7	Oscar Kamf	2130	C	2022-06-15 20:51:29
8	Bergur Snorrason	2580	C	2019-07-05 19:00:25

#	User	Length	Language	Date
1	Fredrik Baldhagen	1387	C#	2024-10-28 14:26:16
2	Peter Cederqvist	1398	C#	2025-07-22 14:29:30
3	Renjith Sebastian	1926	C#	2017-09-23 11:03:46
4	Klas af Geijerstam	2475	C#	2017-09-24 12:24:54
5	Jan Matthiessen	2870	C#	2024-09-21 14:45:33

#	User	Length	Language	Date
1	Mathias Rav	538	C++	2017-09-29 11:49:52
2	Pedro Suyama Leston Rey	583	C++	2023-01-23 17:23:51
3	Zac Friggstad	601	C++	2024-02-06 20:46:22
4	Mohamed Jarat	605	C++	2018-08-20 18:07:35
5	a_b__c	609	C++	2021-01-27 02:17:25
6	Jalvin Chan Jia Xiang	653	C++	2020-04-06 07:33:58
7	Alexander Skidanov	663	C++	2024-12-03 22:12:12
8	Daniel de Matos	672	C++	2023-01-23 17:34:59
9	Lim An Jun	695	C++	2023-01-02 03:43:51
10	Ishak Dervišević	704	C++	2019-11-03 14:48:59

#	User	Length	Language	Date
1	Javier Gómez Díaz	76	Crystal	2024-07-28 13:49:50

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	845	F#	2023-09-23 11:29:13

#	User	Length	Language	Date
1	Jimmy Gustafsson	352	Go	2022-06-20 19:44:19
2	Norbert Voelker	431	Go	2023-03-29 10:28:54
3	Godmar Back	523	Go	2020-10-19 00:47:14

#	User	Length	Language	Date
1	Birk Tjelmeland	651	Haskell	2017-12-22 23:21:44

#	User	Length	Language	Date
1	Timothy Buzzelli	824	Java	2019-01-05 18:51:07
2	Ken Hall	1004	Java	2017-10-05 02:41:14
3	Ellie Koz	1009	Java	2019-01-05 21:19:05
4	Marc Dominic San Pedro	1072	Java	2024-05-22 01:35:14
5	Andreas Jansson	1110	Java	2018-09-28 10:15:30
6	Doug Goodman	1133	Java	2019-06-13 13:07:01
7	Mong-En Ip	1145	Java	2021-10-16 15:10:37
8	Luke Eales	1191	Java	2023-06-16 19:09:46
9	Lior Barak	1201	Java	2021-10-16 14:59:50
10	Joud Al Mualem	1290	Java	2025-06-23 13:10:42

#	User	Length	Language	Date
1	Jimmy Gustafsson	496	JavaScript (SpiderMonkey)	2022-06-16 10:39:41
2	Christian Pilegaard Cederquist	697	JavaScript (SpiderMonkey)	2023-07-02 19:20:01
3	Christopher Walther	1037	JavaScript (SpiderMonkey)	2021-05-14 18:34:08
4	Bjørn Chr. Soltvedt	1301	JavaScript (SpiderMonkey)	2018-07-31 05:55:58

#	User	Length	Language	Date
1	Benjamin Ye	843	Kotlin	2023-02-12 19:29:12
2	Ali Amid	866	Kotlin	2024-08-18 17:32:28
3	Roy Liu	1224	Kotlin	2023-06-18 17:58:00
4	Adam Rankin	1274	Kotlin	2023-09-14 01:38:23

#	User	Length	Language	Date
1	Andreas Björklund	398	Python 2	2019-05-05 12:21:37
2	Asger Hautop Drewsen	530	Python 2	2017-09-29 12:05:40
3	Måns Magnusson	532	Python 2	2018-08-16 21:40:43
4	Maj Stenmark	587	Python 2	2018-08-16 18:54:03
5	Sigurður Jens Albertsson	771	Python 2	2017-11-29 17:38:40
6	Brynjar Sigurðsson	782	Python 2	2018-05-03 12:34:28
7	Eythor Andri	783	Python 2	2018-05-03 12:37:37
8	Yanmarshus Bachtiar	810	Python 2	2020-11-20 09:18:18
9	Thore Husfeldt	839	Python 2	2018-10-04 18:44:28
10	Hermon Mulat	840	Python 2	2018-10-12 02:42:27

#	User	Length	Language	Date
1	Guk Yi Siong	119	Python 3	2024-12-05 10:23:50
2	Enrique Javier Cobo Jimenez	135	Python 3	2024-11-16 18:13:00
3	Naser Ogrešević	173	Python 3	2024-03-18 17:51:21
4	Jakob Fredby	178	Python 3	2025-06-26 00:28:20
5	Emelie Björklund Jonasson	181	Python 3	2025-06-19 11:47:57
6	Stefan Borné	195	Python 3	2024-06-25 17:27:33
7	Kadriye Yildiz	197	Python 3	2024-08-17 23:12:03
8	Si Jie Tan	225	Python 3	2025-12-18 05:58:25
9	Simon Hellsten	238	Python 3	2023-07-29 11:38:38
10	Asger Hautop Drewsen	258	Python 3	2017-09-29 12:12:03

#	User	Length	Language	Date
1	Javier Gómez Díaz	69	Ruby	2024-07-28 13:40:26
2	Thomas Feld	73	Ruby	2023-03-28 11:23:44
3	Miorel Palii	101	Ruby	2017-12-28 01:02:57

#	User	Length	Language	Date
1	Artur Khuziakhmetov	668	Rust	2025-11-03 14:25:57
2	Jiaxun Wei	994	Rust	2024-12-23 08:12:19
3	Thomas Hügel	1254	Rust	2021-02-26 16:30:15
4	Eric Källman	1274	Rust	2025-06-24 22:24:13
5	Erik Persson	1820	Rust	2024-06-13 08:14:43
6	Aymeric Bachelet	1877	Rust	2021-03-19 10:36:02
7	Hidden user	1960	Rust	2023-06-20 09:35:39
8	Melker Forsberg	1980	Rust	2023-06-17 00:51:57
9	Nicholas	2330	Rust	2023-06-15 15:28:13
10	Buster Hultgren Wärn	3503	Rust	2024-07-30 19:36:26

Solution running time distribution