Problem B
Keep it Cool — Problem Statistics

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Submissions	2010
Accepted submissions	789
Submission ratio	39.25%
Authors	791
Full solves [?]	692
Full solve Ratio	87.48%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2019-10-06 15:51:54
2	Gustav Wass	0.00 s	C	2019-10-07 19:07:06
3	Ivan Petrov	0.00 s	C	2019-10-09 10:28:10
4	Szymon Kucharski	0.00 s	C	2022-10-13 15:44:40
5	Davids Keziks	0.00 s	C	2025-10-08 15:59:06

#	User	Runtime	Language	Date
1	Henrik Hallbert	0.02 s	C#	2019-10-10 23:31:40
2	Saulius Žentilis	0.02 s	C#	2020-11-06 19:42:30
3	Morten A	0.03 s	C#	2019-10-05 15:22:26
4	Dan Wolff	0.03 s	C#	2019-10-05 20:08:26
5	Håkan Sjöström	0.03 s	C#	2019-10-06 15:20:42
6	Sigrid Österling Sicking	0.03 s	C#	2019-10-10 08:47:37
7	Klara Jonsson	0.03 s	C#	2020-03-24 10:26:17
8	Klas Björkqvist	0.04 s	C#	2019-10-20 17:58:15

#	User	Runtime	Language	Date
1	Gaelan McMillan	0.01 s	Common Lisp	2022-10-26 03:27:45

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.06 s	F#	2023-03-01 18:48:04

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-08-20 19:42:39

#	User	Runtime	Language	Date
1	Rudy Matela	0.00 s	Haskell	2024-03-21 14:01:56
2	Ola Berglund	0.00 s	Haskell	2024-10-13 15:10:11
3	Marianne L. Fuglestad	0.01 s	Haskell	2019-10-05 18:56:41
4	Rudi Svartveit	0.01 s	Haskell	2019-10-05 19:15:47
5	Hidden user	0.01 s	Haskell	2019-10-19 18:35:55

#	User	Runtime	Language	Date
1	Mufaddal Naya	0.06 s	Java	2020-07-04 13:04:53
2	Michael O'Brien	0.07 s	Java	2022-02-21 19:34:08
3	Nils Hedin	0.07 s	Java	2024-05-17 16:57:43
4	Gustav Valentin Yde	0.09 s	Java	2019-10-07 12:57:56
5	Bjørn Dons	0.09 s	Java	2019-10-08 22:13:56
6	Alice Ryhl	0.09 s	Java	2019-10-12 17:58:37
7	Benjamin Reidys	0.09 s	Java	2019-10-14 22:53:21
8	Jacob Monsrud	0.09 s	Java	2019-10-20 21:39:05
9	Terrence Park	0.10 s	Java	2019-10-05 12:22:47
10	Yusuf Kharoda	0.10 s	Java	2020-07-04 13:00:31

#	User	Runtime	Language	Date
1	Franz Emil Eulate Chacolla	0.42 s	JavaScript (Node.js)	2020-04-03 16:02:58
2	Mayra Bautista	0.42 s	JavaScript (Node.js)	2020-04-06 06:33:05

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-05-24 12:06:24
2	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2019-11-10 12:51:53

#	User	Runtime	Language	Date
1	Nicholas Johnson	0.14 s	Kotlin	2021-08-05 02:09:02
2	Jacob Huebner	0.15 s	Kotlin	2021-08-02 03:07:22
3	Benjamin Ye	0.15 s	Kotlin	2022-02-12 19:52:33
4	Frederik Bjørn Groben Nielsen	0.21 s	Kotlin	2021-03-21 15:09:55
5	Adam Rankin	0.21 s	Kotlin	2023-11-13 04:19:51
6	Matthew Craven	0.22 s	Kotlin	2019-10-13 23:19:54

#	User	Runtime	Language	Date
1	Björn Martinsson	0.03 s	Python 2	2019-10-05 11:15:49
2	Andreas Björklund	0.03 s	Python 2	2019-10-05 12:58:07
3	Björn Magnusson	0.03 s	Python 2	2019-10-05 19:00:02
4	Snild Dolkow	0.03 s	Python 2	2019-10-05 19:57:24
5	Lars Åström	0.03 s	Python 2	2019-10-05 22:53:21
6	Måns Magnusson	0.03 s	Python 2	2019-10-06 13:22:21
7	Maj Stenmark	0.03 s	Python 2	2019-10-06 13:32:52
8	Oskar Haarklou Veileborg	0.03 s	Python 2	2019-10-06 16:33:39
9	Yanmarshus Bachtiar	0.03 s	Python 2	2020-09-02 14:11:43
10	Hidden user	0.04 s	Python 2	2019-10-05 14:47:55

#	User	Runtime	Language	Date
1	Oskar Ottander	0.02 s	Python 3	2019-10-05 11:30:53
2	Arthur Baker	0.02 s	Python 3	2019-10-05 12:03:53
3	Siim Düüna	0.02 s	Python 3	2019-10-05 12:03:58
4	Jesper Torp Kristensen	0.02 s	Python 3	2019-10-05 12:35:26
5	Mees de Vries	0.02 s	Python 3	2019-10-05 12:47:39
6	Magnus Nørgaard	0.02 s	Python 3	2019-10-05 12:50:58
7	Joakim Sunde	0.02 s	Python 3	2019-10-05 12:51:16
8	Jiang Shenghu	0.02 s	Python 3	2019-10-05 13:10:58
9	Jonas Kylling	0.02 s	Python 3	2019-10-05 13:11:05
10	Marcin Mateusz Hanc	0.02 s	Python 3	2019-10-05 13:19:23

#	User	Runtime	Language	Date
1	Josenildo Silva	0.05 s	Ruby	2020-06-08 20:03:51
2	Thomas Feld	0.06 s	Ruby	2023-08-21 09:23:27
3	Miorel Palii	0.07 s	Ruby	2024-11-30 19:41:04

#	User	Runtime	Language	Date
1	Alexander Nortung	0.00 s	Rust	2020-10-30 17:08:42
2	Bas Dirks	0.00 s	Rust	2022-06-12 09:51:54
3	Daryll Ko	0.00 s	Rust	2022-08-04 03:48:05
4	Daniel Anker Hermansen	0.00 s	Rust	2024-12-28 12:37:02

#	User	Length	Language	Date
1	Szymon Kucharski	829	C	2022-10-13 15:44:40
2	Davids Keziks	1030	C	2025-10-08 15:59:06
3	Ivan Petrov	1054	C	2019-10-09 10:28:10
4	Gustav Wass	1635	C	2019-10-07 19:07:06
5	Bergur Snorrason	1989	C	2019-10-06 15:52:17

#	User	Length	Language	Date
1	Klas Björkqvist	1046	C#	2019-10-20 17:58:15
2	Håkan Sjöström	1134	C#	2019-10-06 15:20:42
3	Morten A	1297	C#	2019-10-05 15:22:26
4	Saulius Žentilis	2461	C#	2020-11-06 19:42:30
5	Henrik Hallbert	3329	C#	2019-10-10 23:31:40
6	Sigrid Österling Sicking	3942	C#	2019-10-10 08:47:37
7	Klara Jonsson	3942	C#	2020-03-24 10:26:17
8	Dan Wolff	3961	C#	2019-10-05 20:08:26

#	User	Length	Language	Date
1	Shang Zhou	432	C++	2022-01-08 02:25:32
2	DASH	559	C++	2025-09-02 07:13:56
3	Elias Lolck	566	C++	2024-10-07 15:24:27
4	Simone Moretti	573	C++	2022-03-24 16:28:30
5	Yung Chi Li	584	C++	2024-05-04 19:07:05
6	Ho Lyun Jeong	596	C++	2023-02-19 02:39:49
7	Daniel Zhang	599	C++	2022-02-12 19:28:30
8	Kevin Sun	607	C++	2019-10-05 17:27:10
9	Grae Yeandle	611	C++	2019-10-23 15:59:32
10	Tyler Marks	617	C++	2022-09-21 21:24:31

#	User	Length	Language	Date
1	Gaelan McMillan	1270	Common Lisp	2022-10-26 03:27:45

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	2442	F#	2023-03-01 18:48:04

#	User	Length	Language	Date
1	Norbert Voelker	1569	Go	2021-08-20 19:42:39

#	User	Length	Language	Date
1	Rudy Matela	226	Haskell	2024-03-21 14:46:04
2	Marianne L. Fuglestad	896	Haskell	2019-10-05 18:56:41
3	Rudi Svartveit	896	Haskell	2019-10-05 19:15:47
4	Ola Berglund	1212	Haskell	2024-10-13 15:10:11
5	Hidden user	8893	Haskell	2019-10-19 18:35:55

#	User	Length	Language	Date
1	Agnes Hardy Bertelsen	819	Java	2019-10-09 00:32:08
2	Markus Bao	953	Java	2024-01-06 13:29:56
3	Leslie Yip	1053	Java	2023-06-21 08:02:11
4	Sebastian Veile	1093	Java	2019-10-07 18:57:55
5	Eric Leow Yu Quan	1101	Java	2020-12-31 06:36:21
6	Alexander William Donovan	1134	Java	2019-10-13 22:11:15
7	Caeden Whitaker	1139	Java	2020-10-18 07:14:14
8	Sam Zheng	1227	Java	2021-11-21 22:11:54
9	Colin Sullivan	1298	Java	2019-10-13 20:09:31
10	Erik Tegler	1330	Java	2019-10-06 15:23:46

#	User	Length	Language	Date
1	Franz Emil Eulate Chacolla	1127	JavaScript (Node.js)	2020-04-03 18:30:48
2	Mayra Bautista	1501	JavaScript (Node.js)	2020-04-06 06:33:05

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	589	JavaScript (SpiderMonkey)	2019-11-10 12:51:53
2	Christian Pilegaard Cederquist	623	JavaScript (SpiderMonkey)	2023-05-24 12:06:24

#	User	Length	Language	Date
1	Adam Rankin	890	Kotlin	2023-11-13 04:19:51
2	Frederik Bjørn Groben Nielsen	1215	Kotlin	2021-03-21 15:09:55
3	Matthew Craven	1365	Kotlin	2019-10-13 23:19:54
4	Jacob Huebner	1524	Kotlin	2021-08-02 03:07:22
5	Benjamin Ye	1666	Kotlin	2022-02-12 19:52:33
6	Nicholas Johnson	2598	Kotlin	2021-08-05 02:09:02

#	User	Length	Language	Date
1	Thomas Feld	260	Python 2	2019-10-24 15:58:56
2	Sebastian Boldsen Jakobsen	292	Python 2	2019-10-14 17:18:00
3	Björn Magnusson	318	Python 2	2019-10-05 19:00:02
4	Andreas Björklund	326	Python 2	2019-10-05 12:58:07
5	Lars Åström	335	Python 2	2019-10-05 22:53:21
6	Björn Martinsson	417	Python 2	2019-10-05 11:15:49
7	Måns Magnusson	422	Python 2	2019-10-06 13:22:21
8	Maj Stenmark	422	Python 2	2019-10-06 13:32:52
9	Hidden user	461	Python 2	2019-10-05 13:36:17
10	Snild Dolkow	498	Python 2	2019-10-05 19:57:24

#	User	Length	Language	Date
1	Lawry Sorenson	188	Python 3	2023-11-17 04:27:53
2	Benjamin Z White	200	Python 3	2023-06-17 14:42:57
3	Nino Bašić	216	Python 3	2023-01-10 13:13:47
4	Peter Stauder	221	Python 3	2022-09-24 13:20:47
5	Charles Ancheta	221	Python 3	2023-04-13 01:37:32
6	Yong Mao	234	Python 3	2023-06-12 03:37:38
7	Christian Blumenthal	310	Python 3	2023-06-25 11:05:00
8	Harry Zhang	312	Python 3	2023-09-09 17:09:59
9	Joonas Pihlajamaa	318	Python 3	2019-10-06 12:52:08
10	Herman Karlsson	322	Python 3	2019-10-07 16:26:59

#	User	Length	Language	Date
1	Thomas Feld	126	Ruby	2023-08-21 09:31:03
2	Miorel Palii	279	Ruby	2024-11-30 19:41:04
3	Josenildo Silva	322	Ruby	2020-06-08 20:03:51

#	User	Length	Language	Date
1	Bas Dirks	1476	Rust	2022-06-12 09:51:54
2	Daryll Ko	1691	Rust	2022-08-04 03:48:05
3	Alexander Nortung	2483	Rust	2020-10-30 17:08:42
4	Daniel Anker Hermansen	13639	Rust	2024-12-28 12:37:02

Solution running time distribution