Problem A
Hanging Out on the Terrace — Problem Statistics

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Submissions	10526
Accepted submissions	5883
Submission ratio	55.89%
Authors	5531
Accepted authors	5304
Author ratio	95.90%

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-09-01 11:49:24
2	Thomas Feld	0.01 s	Bash	2023-09-13 15:02:57
3	Chenzhang Hu	0.02 s	Bash	2024-06-27 17:28:02

#	User	Runtime	Language	Date
1	Faisal Rahman	0.02 s	C#	2017-11-13 17:43:42
2	Duelene Olson	0.02 s	C#	2017-11-13 20:32:15
3	Cole Alves	0.02 s	C#	2017-11-22 05:50:06
4	Hidden user	0.02 s	C#	2017-12-03 19:25:05
5	Andreas Ljungberg	0.02 s	C#	2017-12-20 19:59:40
6	Johan Pettersson	0.02 s	C#	2017-12-27 15:10:40
7	Hidden user	0.02 s	C#	2018-01-29 20:08:14
8	Ólafur Andri	0.02 s	C#	2018-01-30 11:49:47
9	Kunwei Zhang	0.02 s	C#	2018-02-04 13:37:41
10	Alex Telon	0.02 s	C#	2018-02-06 21:22:49

#	User	Runtime	Language	Date
1	Brandon Mitchell	0.00 s	COBOL	2020-04-06 17:39:17

#	User	Runtime	Language	Date
1	Dmytro Bihniak	0.01 s	Common Lisp	2019-08-26 12:30:55
2	John Dandy	0.01 s	Common Lisp	2020-02-02 00:39:04
3	wibi	0.01 s	Common Lisp	2020-08-16 06:20:54
4	Malik Kennedy	0.01 s	Common Lisp	2022-02-24 16:49:43
5	David Cawthon	0.02 s	Common Lisp	2019-04-25 13:50:55
6	Hidden user	0.02 s	Common Lisp	2019-05-22 22:31:50

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2022-06-06 08:42:07

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Go	2023-05-25 16:13:22
2	Jimmy Nejtron	0.00 s	Go	2023-09-08 16:04:00
3	Husain Satan	0.00 s	Go	2023-12-08 02:47:36
4	Kiki Ibrahim	0.00 s	Go	2024-05-18 03:47:05
5	Hidden user	0.00 s	Go	2024-05-29 03:42:47
6	Hidden user	0.02 s	Go	2019-06-24 15:24:31
7	Hung Nguyen Truong Thanh	0.02 s	Go	2020-03-12 10:27:37
8	John Dewey	0.02 s	Go	2020-05-20 08:03:20
9	Andey Robins	0.02 s	Go	2020-07-24 05:21:30
10	Samsu Sempena	0.02 s	Go	2020-11-08 10:27:38

#	User	Runtime	Language	Date
1	Vashista Basava	0.04 s	Java	2024-08-15 16:30:16
2	RohitTambekar	0.04 s	Java	2024-11-24 12:40:46
3	Jimmy Mårdell	0.05 s	Java	2017-10-27 18:07:32
4	Martin Jakobsson	0.05 s	Java	2017-10-27 18:08:19
5	Alex Mitić	0.05 s	Java	2017-10-27 18:10:30
6	Carl-Johan Eriksson	0.05 s	Java	2017-10-27 18:11:09
7	Markus Larsson	0.05 s	Java	2017-10-27 18:11:33
8	Alexander Tuoma	0.05 s	Java	2017-10-27 18:13:28
9	Micah Stairs	0.05 s	Java	2017-10-27 18:33:16
10	Markus Larsson	0.05 s	Java	2017-10-30 18:38:49

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	JavaScript (Node.js)	2025-01-03 21:54:56
2	Camilo Aparecido Ferri Moreira	0.05 s	JavaScript (Node.js)	2018-08-05 04:01:18
3	Carl Sundvall	0.05 s	JavaScript (Node.js)	2018-10-27 21:04:17
4	José Lucas	0.05 s	JavaScript (Node.js)	2019-03-15 20:15:30
5	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-04-18 21:50:58
6	Gurpartap Singh Bhatti	0.05 s	JavaScript (Node.js)	2019-04-26 03:26:34
7	Hidden user	0.05 s	JavaScript (Node.js)	2019-05-30 15:58:48
8	John Ladera	0.05 s	JavaScript (Node.js)	2019-05-30 21:10:35
9	Hidden user	0.05 s	JavaScript (Node.js)	2024-08-13 06:40:14
10	Ephrem Demelash	0.09 s	JavaScript (Node.js)	2022-12-15 09:04:16

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2017-10-30 00:49:52
2	Nicklas Utgaard	0.01 s	JavaScript (SpiderMonkey)	2017-12-25 15:43:19
3	Robin Livesey	0.01 s	JavaScript (SpiderMonkey)	2018-04-16 12:09:46
4	Spencer Smith	0.02 s	JavaScript (SpiderMonkey)	2018-08-25 07:49:19
5	Rolands	0.02 s	JavaScript (SpiderMonkey)	2020-05-25 10:21:21
6	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2020-12-26 19:12:26
7	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2022-11-21 01:07:55
8	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-09-10 21:33:45
9	Drake Farrokhi	0.02 s	JavaScript (SpiderMonkey)	2023-09-13 22:24:27
10	Dan Roberts	0.02 s	JavaScript (SpiderMonkey)	2023-09-13 22:56:08

#	User	Runtime	Language	Date
1	Timothy Gaede	0.51 s	Julia	2024-03-22 05:36:54
2	Danny Robinson	0.54 s	Julia	2023-09-01 11:35:07

#	User	Runtime	Language	Date
1	Ola Sundell	0.15 s	Kotlin	2018-05-04 14:20:57
2	James WIlliams	0.15 s	Kotlin	2020-09-04 04:09:56
3	Adrian Wireklint	0.15 s	Kotlin	2022-02-13 11:38:13
4	Jacob Huebner	0.16 s	Kotlin	2020-03-16 09:49:47
5	Emil Eriksmoen Stensland	0.16 s	Kotlin	2021-02-16 13:25:42
6	Ravisai Tiruvuri	0.18 s	Kotlin	2024-03-13 12:02:08
7	Dayan Ruben Gonzalez	0.19 s	Kotlin	2020-10-08 07:00:58
8	Ahmed Waseem Saeed	0.19 s	Kotlin	2022-06-09 12:56:16
9	Tollev Sauar	0.19 s	Kotlin	2022-06-09 13:09:13
10	Adam Rankin	0.19 s	Kotlin	2023-05-02 03:21:17

#	User	Runtime	Language	Date
1	Fredrik Eriksson	0.00 s	OCaml	2024-10-15 19:13:11

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-04-30 17:58:21
2	Khoa Ngo Duc Minh	0.00 s	Pascal	2021-10-12 03:16:58
3	David Connolly	0.00 s	Pascal	2022-04-05 16:23:31

#	User	Runtime	Language	Date
1	Saito Ta	0.00 s	Perl	2024-04-08 10:12:04

#	User	Runtime	Language	Date
1	Emil Riis Hansen	0.01 s	PHP	2018-10-29 10:37:25
2	Petr Trofimov	0.01 s	PHP	2019-06-17 06:30:55
3	Jonas Lindenskov Nielsen	0.01 s	PHP	2019-10-14 15:37:14
4	Ikaraz	0.01 s	PHP	2020-08-18 00:24:13
5	Helbin Grégory	0.01 s	PHP	2020-09-09 15:06:28
6	Renate	0.01 s	PHP	2021-04-15 15:30:48
7	陳建宏	0.01 s	PHP	2021-06-24 19:18:12
8	Andre Wahyudi	0.01 s	PHP	2022-12-06 06:01:51

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2017-12-13 20:56:28
2	Matthias Hetzenberger	0.01 s	Prolog	2019-07-29 14:22:25
3	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-03 20:07:34

#	User	Runtime	Language	Date
1	Måns Magnusson	0.02 s	Python 3	2017-10-27 18:07:38
2	Marcus Dicander	0.02 s	Python 3	2017-10-27 18:09:29
3	Lars Åström	0.02 s	Python 3	2017-10-27 18:10:06
4	Sebastian Hjelm	0.02 s	Python 3	2017-10-27 18:11:53
5	Joel Niemelä	0.02 s	Python 3	2017-10-27 18:12:09
6	Robert Welin-Berger	0.02 s	Python 3	2017-10-27 18:13:04
7	Li Ling	0.02 s	Python 3	2017-10-27 18:13:49
8	Olle Berg	0.02 s	Python 3	2017-10-27 18:27:59
9	Mohammed Jasam	0.02 s	Python 3	2017-10-28 21:36:37
10	Manu Lam	0.02 s	Python 3	2017-10-30 00:52:37

#	User	Runtime	Language	Date
1	Paul Vinell	0.04 s	Ruby	2018-04-12 09:34:54
2	Hidden user	0.04 s	Ruby	2019-02-17 15:43:54
3	Victor Souza	0.04 s	Ruby	2019-05-25 17:54:43
4	Angelo Ruperti	0.04 s	Ruby	2019-08-13 23:50:03
5	Olivia Bednar	0.04 s	Ruby	2019-08-28 18:27:50
6	Macdara mac an tSionnaigh	0.04 s	Ruby	2019-09-15 19:35:20
7	Hidden user	0.04 s	Ruby	2019-11-23 23:26:57
8	Adrien Fabre	0.05 s	Ruby	2020-09-16 16:17:47
9	Hadi Qovaizi	0.05 s	Ruby	2021-07-15 20:36:47
10	Thomas Feld	0.06 s	Ruby	2022-11-14 14:59:14

#	User	Runtime	Language	Date
1	Danial Haseeb	0.00 s	Swift	2023-10-09 18:51:46

#	User	Runtime	Language	Date
1	Cyril Chaize	0.04 s	TypeScript	2024-01-21 12:59:03

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-06-27 17:28:02
2	Thomas Feld	55	Bash	2023-09-13 15:04:24
3	Danny Robinson	59	Bash	2023-09-01 11:51:44

#	User	Length	Language	Date
1	Martin Blom	146	C	2023-10-04 11:14:45
2	Wesley Stephanak	281	C	2019-02-06 00:58:18
3	Matthew Weston	319	C	2022-01-09 13:57:45
4	James Rettie	319	C	2022-10-25 08:16:35
5	Magnus Wass	320	C	2020-03-04 23:04:23
6	Hidden user	327	C	2020-06-04 22:30:34
7	Ehsan Shoja	343	C	2018-06-25 02:29:47
8	Hidden user	350	C	2024-09-18 05:14:16
9	jadrs02	356	C	2020-12-16 11:05:32
10	Hidden user	357	C	2020-01-23 17:35:06

#	User	Length	Language	Date
1	李陆屿	521	C#	2019-01-25 08:40:16
2	Esty Crow	623	C#	2024-08-30 15:43:39
3	Kunwei Zhang	633	C#	2018-02-04 13:37:41
4	clarence chen	651	C#	2024-09-13 18:14:59
5	Dany Kassdaoud	655	C#	2020-12-07 22:25:31
6	Lawrence Ye	656	C#	2024-08-30 18:24:29
7	Steve Jia	708	C#	2018-08-30 17:24:04
8	Hugo Oskarsson	717	C#	2019-05-13 09:08:40
9	Bryce Goddard	738	C#	2020-05-18 18:17:12
10	Ólafur Andri	743	C#	2018-01-30 11:49:47

#	User	Length	Language	Date
1	Abdulelah Altaf	236	C++	2019-07-08 07:40:04
2	黃太陽	237	C++	2020-10-09 19:19:05
3	Hidden user	240	C++	2022-12-25 14:34:10
4	Subramanian Ramasamy	243	C++	2022-08-29 15:21:50
5	Tuấn Kiệt	247	C++	2019-07-24 18:45:15
6	Hidden user	247	C++	2022-11-01 02:04:15
7	Ben Wang	248	C++	2019-03-28 07:23:17
8	Sunny Nguyen	249	C++	2018-11-10 06:32:37
9	Kakuma Abera	249	C++	2019-11-15 10:24:16
10	Jordan Quah Shao Xuan	249	C++	2022-12-08 08:30:11

#	User	Length	Language	Date
1	Brandon Mitchell	1008	COBOL	2020-04-06 17:39:17

#	User	Length	Language	Date
1	David Cawthon	301	Common Lisp	2019-04-25 13:50:55
2	wibi	363	Common Lisp	2020-08-16 06:20:54
3	John Dandy	388	Common Lisp	2020-02-02 00:39:04
4	Malik Kennedy	411	Common Lisp	2022-02-24 16:49:43
5	Dmytro Bihniak	493	Common Lisp	2019-08-26 12:30:55
6	Hidden user	743	Common Lisp	2019-05-22 22:31:50

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1075	F#	2022-06-06 08:42:07

#	User	Length	Language	Date
1	Hidden user	345	Go	2017-11-11 18:07:17
2	Hidden user	366	Go	2024-05-29 15:49:06
3	Joshua Gerber	380	Go	2018-10-03 21:47:55
4	Wojtek Bednarzak	383	Go	2018-04-30 21:15:53
5	Marcus Legendre	384	Go	2018-01-16 22:59:02
6	Kellen Watt	394	Go	2017-10-28 21:13:22
7	Jimmy Nejtron	396	Go	2023-09-08 16:04:00
8	Farrel Najib Anshary	412	Go	2020-12-15 09:14:54
9	Hung Nguyen Truong Thanh	422	Go	2020-03-12 10:27:37
10	Thành Vinh Trương Cảnh	426	Go	2021-02-26 11:23:45

#	User	Length	Language	Date
1	Sebastian Banert	348	Haskell	2023-08-31 00:28:35
2	Steinar Simonnes	386	Haskell	2023-10-15 18:51:12
3	Zach Tschetter	428	Haskell	2021-04-14 15:46:22
4	Morten Clausen	430	Haskell	2019-01-02 17:51:54
5	Li Jun	430	Haskell	2023-06-21 13:35:16
6	Håkon Flatval	443	Haskell	2018-08-06 22:53:53
7	Øyvind Almli	449	Haskell	2021-05-26 12:12:12
8	Matthew Johnson	458	Haskell	2018-02-10 01:41:53
9	Patrick Bahr	470	Haskell	2018-12-02 15:10:28
10	Daniel Cabral	483	Haskell	2021-08-24 16:48:08

#	User	Length	Language	Date
1	Lim Ting Kai	271	Java	2023-11-07 16:28:20
2	Le Heng Chieu	393	Java	2018-01-14 03:16:11
3	Doug Goodman	444	Java	2017-12-16 19:49:16
4	Prakash Sanyasi	446	Java	2018-10-05 23:17:00
5	Enzio Kam Hai Hong	454	Java	2019-07-03 05:14:47
6	Jason Liu	455	Java	2023-09-03 22:48:15
7	Alex Rutledge	457	Java	2018-01-02 03:53:34
8	Raymond Arrington	458	Java	2024-06-08 00:04:44
9	Hnin Wutt Yee Tun	465	Java	2019-10-16 16:02:32
10	Skyler Bohn	468	Java	2020-12-22 02:51:42

#	User	Length	Language	Date
1	Emil Larsson	537	JavaScript (Node.js)	2020-06-19 13:34:39
2	Ephrem Demelash	618	JavaScript (Node.js)	2022-12-15 09:04:16
3	José Lucas	620	JavaScript (Node.js)	2019-03-15 20:15:30
4	Antoine Bauri	624	JavaScript (Node.js)	2021-02-16 21:45:04
5	Chris Wong	674	JavaScript (Node.js)	2021-02-01 21:21:23
6	Hovhannes Kantuni	707	JavaScript (Node.js)	2020-08-21 23:52:17
7	Lioul Behailu Desta	715	JavaScript (Node.js)	2022-12-15 09:09:04
8	Howard Tin Chi Chan	733	JavaScript (Node.js)	2021-02-09 22:12:14
9	Fraser Hamilton	755	JavaScript (Node.js)	2020-09-16 16:15:34
10	Peter Kedemo	760	JavaScript (Node.js)	2019-12-21 12:44:58

#	User	Length	Language	Date
1	Jimmy Gustafsson	161	JavaScript (SpiderMonkey)	2024-06-10 09:05:26
2	Evan Magill	188	JavaScript (SpiderMonkey)	2024-04-09 06:42:22
3	Christian Cederquist	282	JavaScript (SpiderMonkey)	2022-11-21 01:07:55
4	Peter Menyes	297	JavaScript (SpiderMonkey)	2020-12-26 19:12:26
5	Bjørn Chr. Soltvedt	343	JavaScript (SpiderMonkey)	2017-10-30 00:49:52
6	Davíð Helgason	349	JavaScript (SpiderMonkey)	2019-06-28 17:52:31
7	Bernard Perrin	366	JavaScript (SpiderMonkey)	2019-01-21 22:34:28
8	Robin Livesey	396	JavaScript (SpiderMonkey)	2018-04-16 12:09:46
9	Casey Smith	399	JavaScript (SpiderMonkey)	2019-05-27 22:51:44
10	Tejas Budharamu	443	JavaScript (SpiderMonkey)	2024-01-21 04:17:47

#	User	Length	Language	Date
1	Danny Robinson	147	Julia	2023-09-01 11:35:07
2	Timothy Gaede	911	Julia	2024-03-22 05:36:54

#	User	Length	Language	Date
1	Dmitry Shostak	434	Kotlin	2019-09-13 16:56:18
2	Love Engman	450	Kotlin	2018-01-13 12:00:28
3	Adrian Wireklint	461	Kotlin	2022-02-13 11:38:13
4	Dayan Ruben Gonzalez	462	Kotlin	2020-10-08 07:00:58
5	axl	462	Kotlin	2019-08-05 09:02:31
6	Stefan Kennedy	469	Kotlin	2017-12-05 13:15:54
7	Hidden user	482	Kotlin	2020-03-09 21:48:40
8	Johnny Baloney	486	Kotlin	2021-09-22 22:26:34
9	Adam Rankin	493	Kotlin	2023-05-02 03:21:17
10	Adam Koprowski	503	Kotlin	2020-09-16 09:56:04

#	User	Length	Language	Date
1	Fredrik Eriksson	383	OCaml	2024-10-15 19:13:11

#	User	Length	Language	Date
1	Khoa Ngo Duc Minh	382	Pascal	2021-10-12 03:16:58
2	Ingemar Ragnemalm	462	Pascal	2018-04-30 17:58:21
3	David Connolly	703	Pascal	2022-04-05 16:23:31

#	User	Length	Language	Date
1	Saito Ta	6	Perl	2024-04-08 10:14:09

#	User	Length	Language	Date
1	Renate	364	PHP	2021-04-15 15:30:48
2	Ikaraz	486	PHP	2020-08-18 00:24:13
3	陳建宏	501	PHP	2021-06-24 19:18:12
4	Petr Trofimov	514	PHP	2019-06-17 06:30:55
5	Jonas Lindenskov Nielsen	530	PHP	2019-10-14 15:37:14
6	Emil Riis Hansen	669	PHP	2018-10-29 10:37:25
7	Helbin Grégory	819	PHP	2020-09-09 15:06:28
8	Andre Wahyudi	860	PHP	2022-12-06 06:01:51

#	User	Length	Language	Date
1	Andriy Zyevakov	499	Prolog	2017-12-13 20:56:28
2	Hakan Kjellerstrand	594	Prolog	2023-02-03 20:07:34
3	Matthias Hetzenberger	1041	Prolog	2019-07-29 14:22:25

#	User	Length	Language	Date
1	Kevin Gomez	112	Python 3	2024-06-08 15:16:33
2	Charles Ancheta	136	Python 3	2023-03-25 22:36:13
3	Alexandre Charland	139	Python 3	2024-08-24 18:54:25
4	Benjamin Z White	145	Python 3	2023-04-01 09:46:56
5	Henrik Olsen Eide	147	Python 3	2023-08-27 09:36:08
6	Ahmed Chamseddine	161	Python 3	2023-10-03 08:45:45
7	Oskar Haarklou Veileborg	178	Python 3	2020-03-13 16:43:55
8	Do Khoi Nguyen	180	Python 3	2024-12-28 01:40:18
9	Hidden user	186	Python 3	2018-10-07 10:47:58
10	David Phillips	191	Python 3	2019-02-19 15:15:24

#	User	Length	Language	Date
1	Thomas Feld	64	Ruby	2023-09-13 14:44:45
2	Hidden user	169	Ruby	2019-11-23 23:26:57
3	Alexander Bilde Pedersen	200	Ruby	2023-10-02 18:00:41
4	Frederik Petersen	236	Ruby	2024-04-10 14:55:53
5	Hidden user	252	Ruby	2019-02-17 15:43:54
6	Paul Vinell	299	Ruby	2018-04-12 09:34:54
7	Macdara mac an tSionnaigh	346	Ruby	2019-09-15 19:35:20
8	Adrien Fabre	385	Ruby	2020-09-16 16:17:47
9	Olivia Bednar	386	Ruby	2019-08-28 18:27:50
10	Victor Souza	433	Ruby	2019-05-25 17:54:43

#	User	Length	Language	Date
1	Henrik Olsen Eide	683	Rust	2023-08-25 18:57:54
2	Anshil Gandhi	750	Rust	2020-08-15 17:36:40
3	Hovig Manjikian	780	Rust	2020-01-08 22:32:54
4	Artur Khuziakhmetov	787	Rust	2022-08-08 12:46:49
5	Johan Larsson	834	Rust	2021-01-01 20:04:30
6	Kok Dith	861	Rust	2021-08-13 02:58:40
7	Simon Grünwald	868	Rust	2023-10-04 23:26:04
8	Mattéo Ladrat	876	Rust	2021-01-23 14:16:22
9	Alexandr Last	885	Rust	2023-08-19 14:14:03
10	Martin Simensen	886	Rust	2019-05-12 23:45:37

#	User	Length	Language	Date
1	Danial Haseeb	718	Swift	2023-10-09 18:59:25

#	User	Length	Language	Date
1	Cyril Chaize	1138	TypeScript	2024-01-21 12:59:03

Solution running time distribution