Problem A
School Spirit — Problem Statistics

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Submissions	2573
Accepted submissions	1556
Submission ratio	60.47%
Authors	1490
Full solves [?]	1402
Full solve Ratio	94.09%

#	User	Runtime	Language	Date
1	Charles Christensen	0.02 s	C#	2020-04-20 23:33:55
2	Anders Parsberg Wagner	0.02 s	C#	2020-09-16 12:35:35
3	Thomas Norris	0.02 s	C#	2020-11-11 23:42:37
4	Cahyo Nugroho	0.02 s	C#	2021-02-11 04:29:43
5	Jesper Lundin	0.02 s	C#	2021-11-04 00:32:54
6	Eric Weiss	0.02 s	C#	2022-05-27 22:51:58
7	Fabian	0.02 s	C#	2022-06-02 21:50:09
8	Julius Reiter	0.02 s	C#	2022-06-02 22:15:35
9	Georgios Leandros Kyriazis	0.03 s	C#	2020-11-15 15:38:21
10	Göran Andersson	0.03 s	C#	2022-05-09 23:45:47

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2022-07-13 10:26:34
2	Patrick Bahr	0.06 s	F#	2021-02-20 18:13:30

#	User	Runtime	Language	Date
1	Ian Howell	0.07 s	Go	2020-11-20 22:14:33
2	Magix	0.08 s	Go	2020-09-12 13:30:49
3	Norbert Voelker	0.08 s	Go	2021-04-13 01:10:25

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2020-04-16 20:33:06
2	Sebastian Banert	0.00 s	Haskell	2023-10-05 23:14:15
3	Steinar Simonnes	0.00 s	Haskell	2024-02-02 15:35:15
4	Brian Hwang	0.00 s	Haskell	2024-05-14 22:03:37
5	Hidden user	0.01 s	Haskell	2020-05-18 18:23:29
6	Hidden user	0.01 s	Haskell	2020-06-10 16:03:45
7	Andreas Ländle	0.01 s	Haskell	2020-08-16 17:04:43
8	Andrés Marzal Varó	0.01 s	Haskell	2020-09-30 19:04:56
9	Zach Tschetter	0.01 s	Haskell	2020-10-03 06:08:44
10	Jan Hrček	0.01 s	Haskell	2020-10-18 15:18:14

#	User	Runtime	Language	Date
1	Rene Argento	0.04 s	Java	2025-04-03 07:47:01
2	Serena Davis	0.04 s	Java	2025-08-29 00:56:26
3	Amy Colpitts	0.04 s	Java	2025-08-29 01:09:26
4	Alexander Matheson	0.04 s	Java	2025-08-29 01:31:48
5	Jordan Cripe	0.06 s	Java	2020-04-28 21:53:48
6	Olivia Bizimungu	0.06 s	Java	2020-04-29 03:39:44
7	Kyle Kelly	0.06 s	Java	2020-05-04 08:58:19
8	Jiayi Lee	0.06 s	Java	2020-05-13 23:29:11
9	Ryan Lee Ting Zhern	0.06 s	Java	2020-05-17 18:19:33
10	Theodoric Keith Lim	0.06 s	Java	2020-05-31 01:47:46

#	User	Runtime	Language	Date
1	John	0.42 s	JavaScript (Node.js)	2020-07-27 06:50:46
2	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-03 05:35:38
3	Chris Wong	0.42 s	JavaScript (Node.js)	2021-02-02 19:48:39
4	Howard Tin Chi Chan	0.42 s	JavaScript (Node.js)	2021-02-13 21:18:30

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-07-08 23:43:24
2	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2020-04-17 07:53:21
3	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-01-01 22:05:10
4	Nicklas Utgaard	0.03 s	JavaScript (SpiderMonkey)	2021-04-17 18:35:30
5	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2022-11-21 01:19:43

#	User	Runtime	Language	Date
1	Timothy Gaede	0.54 s	Julia	2024-04-04 04:00:25
2	Danny Robinson	0.76 s	Julia	2025-01-29 21:27:29

#	User	Runtime	Language	Date
1	Jacob Huebner	0.11 s	Kotlin	2020-04-27 08:40:38
2	Sarek Høverstad Skotåm	0.18 s	Kotlin	2020-10-10 18:31:57
3	Einar Kjellback	0.19 s	Kotlin	2020-08-11 13:46:11
4	Adam Rankin	0.20 s	Kotlin	2023-08-25 23:15:15
5	Troy Warmboe	0.21 s	Kotlin	2023-04-11 16:37:16

#	User	Runtime	Language	Date
1	Matthew Lutze	0.00 s	OCaml	2020-07-05 17:37:55

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2020-05-22 11:20:01
2	David Connolly	0.00 s	Pascal	2022-05-03 18:48:53

#	User	Runtime	Language	Date
1	Renate Fiala-Lundström	0.01 s	PHP	2021-05-10 20:54:03
2	Andre Wahyudi	0.01 s	PHP	2022-10-21 12:28:57

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-06 11:01:32

#	User	Runtime	Language	Date
1	Godmar Back	0.03 s	Python 2	2020-03-28 17:11:16
2	Noble Mushtak	0.03 s	Python 2	2020-03-28 17:31:05
3	Miranda Henry	0.03 s	Python 2	2020-03-28 21:11:10
4	Johan Lyts	0.03 s	Python 2	2020-04-16 21:50:02
5	Micah Stairs	0.03 s	Python 2	2020-04-16 22:30:34
6	Sigurður Jens Albertsson	0.03 s	Python 2	2020-06-07 17:51:40
7	Andreas Björklund	0.03 s	Python 2	2020-08-08 14:55:24
8	Andrei Stoica	0.03 s	Python 2	2020-08-11 22:23:57
9	Yanmarshus Bachtiar	0.03 s	Python 2	2020-08-28 07:57:48
10	Hasan Kalzi	0.03 s	Python 2	2021-03-11 00:38:54

#	User	Runtime	Language	Date
1	Mukerem Ali Nur	0.04 s	Python 3	2022-08-14 15:15:38
2	Lucas Dunn	0.04 s	Python 3	2022-08-24 21:45:32
3	ernest	0.04 s	Python 3	2022-08-31 14:05:20
4	Robertus Bagaskara	0.04 s	Python 3	2022-09-04 12:53:32
5	Christofer Hallberg	0.04 s	Python 3	2022-09-17 22:26:53
6	Aakanksha Khandwaha	0.04 s	Python 3	2022-09-20 00:53:39
7	Hyun Wook Park	0.04 s	Python 3	2022-09-22 03:49:30
8	Shashank Bhatt	0.04 s	Python 3	2022-09-26 00:33:58
9	Yong Mao	0.04 s	Python 3	2022-10-17 03:34:42
10	Dhruvam Desai	0.04 s	Python 3	2024-09-24 00:46:29

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2022-11-08 09:16:31
2	Clement Oh	0.06 s	Ruby	2023-10-14 13:38:59

#	User	Length	Language	Date
1	Lawry Sorenson	244	C	2023-05-19 23:24:57
2	Bijan Betel Miri	447	C	2020-03-28 17:40:13
3	Ximun Castoreo	550	C	2020-07-03 11:20:49
4	Emil Wihlander	586	C	2020-11-25 18:35:35
5	Muhammed Ali Aytürk	589	C	2020-06-16 19:41:27
6	PhilCampbell	616	C	2020-12-21 19:28:52
7	William Ball	643	C	2020-03-28 18:31:29
8	Aanthony Ws	649	C	2020-10-25 17:28:30
9	Mirella Arguelles	655	C	2021-01-09 15:20:16
10	Andrew Roberts	670	C	2020-05-26 06:27:30

#	User	Length	Language	Date
1	Thomas Norris	790	C#	2020-11-11 23:42:37
2	Eric Weiss	1011	C#	2022-05-27 22:51:58
3	Göran Andersson	1097	C#	2022-05-09 23:45:47
4	Cahyo Nugroho	1203	C#	2021-02-11 04:29:43
5	Jesper Lundin	1215	C#	2021-11-04 00:32:54
6	Victor Hultén Mattsson	1360	C#	2022-06-11 12:45:33
7	Deci Bel	1384	C#	2023-08-25 20:00:50
8	Georgios Leandros Kyriazis	1458	C#	2020-11-15 15:38:21
9	Anders Parsberg Wagner	1510	C#	2020-09-16 12:35:35
10	Fabian	1564	C#	2022-06-02 21:50:09

#	User	Length	Language	Date
1	Dinu Rares Mihai	342	C++	2020-03-29 20:17:57
2	Subramanian Ramasamy	356	C++	2022-06-07 09:53:31
3	Dmitry Lyubshin	372	C++	2023-03-20 23:41:32
4	WU DI	380	C++	2022-11-23 19:40:19
5	Yeung Man Tsung	394	C++	2022-11-20 08:36:58
6	Saddam Azy	402	C++	2020-08-26 07:26:05
7	Hidden user	426	C++	2020-07-01 13:42:44
8	Aditya Sinha	434	C++	2020-03-28 19:20:44
9	Nicholas Russell Saerang	442	C++	2021-03-15 18:14:38
10	Kevin Chevalier	443	C++	2021-10-13 03:55:25

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	728	F#	2022-07-13 10:26:34
2	Patrick Bahr	2163	F#	2021-02-20 18:13:30

#	User	Length	Language	Date
1	Ian Howell	654	Go	2020-11-20 22:14:33
2	Norbert Voelker	1275	Go	2021-04-13 01:10:25
3	Magix	1606	Go	2020-09-12 13:30:49

#	User	Length	Language	Date
1	Steinar Simonnes	271	Haskell	2024-02-02 15:35:15
2	Sebastian Banert	368	Haskell	2023-10-05 23:14:15
3	Zach Tschetter	398	Haskell	2020-10-03 06:08:44
4	David Zacek	477	Haskell	2021-05-10 21:09:15
5	Oisín Mac Fhearaí	494	Haskell	2021-01-17 09:08:04
6	Jan Hrček	543	Haskell	2020-10-18 15:18:14
7	Brian Hwang	596	Haskell	2024-05-14 22:03:37
8	David Kaméus	604	Haskell	2022-01-23 15:10:21
9	Hidden user	665	Haskell	2020-06-10 16:03:45
10	Caleb Surovik	695	Haskell	2021-06-26 06:09:28

#	User	Length	Language	Date
1	Yifan Wang	583	Java	2020-03-28 18:59:16
2	Evelyn Smith	584	Java	2020-03-28 20:04:54
3	Hidden user	637	Java	2020-03-28 17:17:25
4	Carter Henderson	637	Java	2021-10-05 18:22:41
5	Natalie Longtin	641	Java	2020-03-28 17:09:44
6	Zhao Ming	648	Java	2020-10-04 04:50:36
7	Alex Lind	666	Java	2020-03-28 17:20:35
8	Juan Torres	691	Java	2020-03-28 17:28:16
9	Emilie Hyslop	692	Java	2020-09-30 00:17:12
10	Kevin Kauffman	697	Java	2021-12-29 01:57:27

#	User	Length	Language	Date
1	Chris Wong	883	JavaScript (Node.js)	2021-02-02 19:48:39
2	Howard Tin Chi Chan	927	JavaScript (Node.js)	2021-02-13 21:18:30
3	Andoko Chandra	1253	JavaScript (Node.js)	2020-10-03 05:35:38
4	John	2163	JavaScript (Node.js)	2020-07-27 06:50:46

#	User	Length	Language	Date
1	Jimmy Gustafsson	197	JavaScript (SpiderMonkey)	2024-07-08 23:43:24
2	Peter Menyes	374	JavaScript (SpiderMonkey)	2021-01-01 22:05:10
3	Christian Pilegaard Cederquist	374	JavaScript (SpiderMonkey)	2022-11-21 01:19:43
4	Bjørn Chr. Soltvedt	446	JavaScript (SpiderMonkey)	2020-04-17 07:53:21
5	Nicklas Utgaard	754	JavaScript (SpiderMonkey)	2021-04-17 18:35:30

#	User	Length	Language	Date
1	Danny Robinson	131	Julia	2025-01-29 21:27:29
2	Timothy Gaede	692	Julia	2024-04-04 04:00:25

#	User	Length	Language	Date
1	Troy Warmboe	469	Kotlin	2023-04-11 16:37:16
2	Einar Kjellback	471	Kotlin	2020-08-11 13:46:11
3	Sarek Høverstad Skotåm	602	Kotlin	2020-10-10 18:31:57
4	Adam Rankin	603	Kotlin	2023-08-25 23:15:15
5	Jacob Huebner	658	Kotlin	2020-04-21 04:32:30

#	User	Length	Language	Date
1	Matthew Lutze	1100	OCaml	2020-07-05 17:37:55

#	User	Length	Language	Date
1	Ingemar Ragnemalm	534	Pascal	2020-05-22 11:20:01
2	David Connolly	803	Pascal	2022-05-03 18:48:53

#	User	Length	Language	Date
1	Renate Fiala-Lundström	607	PHP	2021-05-10 20:54:03
2	Andre Wahyudi	911	PHP	2022-10-21 12:28:57

#	User	Length	Language	Date
1	Hakan Kjellerstrand	376	Prolog	2023-02-06 11:01:32

#	User	Length	Language	Date
1	Thomas Feld	201	Python 2	2020-04-24 15:18:02
2	Godmar Back	295	Python 2	2020-03-28 17:11:16
3	Andreas Björklund	316	Python 2	2020-08-08 14:55:24
4	Johan Lyts	392	Python 2	2020-04-16 21:50:02
5	Noble Mushtak	394	Python 2	2020-03-28 17:31:05
6	Ali Emre Öztaş	398	Python 2	2020-04-16 17:27:52
7	Andrei Stoica	452	Python 2	2020-08-11 22:23:57
8	Yanmarshus Bachtiar	466	Python 2	2020-08-28 07:57:48
9	Sigurður Jens Albertsson	551	Python 2	2020-06-07 17:51:40
10	Miranda Henry	558	Python 2	2020-03-28 21:11:10

#	User	Length	Language	Date
1	Lawry Sorenson	135	Python 3	2023-05-19 23:04:01
2	Tai Tze Kin	161	Python 3	2024-05-02 21:31:40
3	Victoria Guenter	163	Python 3	2020-03-28 17:35:08
4	David Aldenbro	167	Python 3	2025-08-19 12:10:40
5	Charles Ancheta	179	Python 3	2023-04-07 22:33:59
6	Clement Oh	181	Python 3	2023-10-14 07:50:11
7	Thibault Raffaillac	184	Python 3	2023-08-02 21:10:47
8	Ahmed Chamseddine	194	Python 3	2024-07-18 13:14:40
9	M Base 2	199	Python 3	2020-07-06 20:03:45
10	Mees de Vries	200	Python 3	2021-04-09 15:44:17

#	User	Length	Language	Date
1	Thomas Feld	105	Ruby	2022-11-08 09:16:31
2	Clement Oh	157	Ruby	2023-10-14 13:38:59

#	User	Length	Language	Date
1	Vincent Lagerros	698	Rust	2025-03-04 22:54:49
2	David Rasch	794	Rust	2020-10-09 14:33:31
3	Freek van Keulen	795	Rust	2021-07-15 21:57:09
4	Kok Dith	831	Rust	2021-08-05 16:32:03
5	Oskar Strömberg	877	Rust	2020-10-23 02:51:12
6	Pankajkumar Patro	914	Rust	2024-08-18 01:28:00
7	Nick Ivanov	983	Rust	2021-03-13 01:14:09
8	Albert Rise Nielsen	1032	Rust	2020-10-12 13:57:01
9	Bas Dirks	1058	Rust	2021-12-31 23:44:35
10	Kunwei Zhang	1339	Rust	2022-12-12 02:41:33

Solution running time distribution