Problem I
Canadians, eh? — Problem Statistics

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Submissions	5294
Accepted submissions	2217
Submission ratio	41.88%
Authors	2138
Full solves [?]	1999
Full solve Ratio	93.50%

#	User	Runtime	Language	Date
1	Sebastian Banert	0.00 s	Ada	2024-07-12 21:40:30

#	User	Runtime	Language	Date
1	Johan Clarström	0.01 s	APL	2023-03-14 02:58:06

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	Bash	2023-09-26 15:56:31
2	Chenzhang Hu	0.01 s	Bash	2023-09-27 14:32:32
3	Danny Robinson	0.01 s	Bash	2023-10-01 08:42:06
4	Mattia Marziali	0.01 s	Bash	2024-03-01 01:24:24
5	Frans Meulenbroeks	0.01 s	Bash	2024-12-25 23:02:20
6	D A K	0.01 s	Bash	2025-04-24 16:36:18

#	User	Runtime	Language	Date
1	Yuwono Bangun Nagoro	0.02 s	C#	2022-12-03 17:51:11
2	Martin Qvarnström	0.02 s	C#	2022-12-05 22:28:56
3	Esty Crow	0.02 s	C#	2022-12-06 22:03:16
4	Владимир Хилько	0.02 s	C#	2022-12-09 14:55:55
5	Anthony Ye	0.02 s	C#	2022-12-11 17:13:29
6	Henrik Ljørring	0.02 s	C#	2022-12-16 13:41:42
7	Toby Maynard	0.02 s	C#	2022-12-21 17:14:30
8	Muhammad Komail Baig	0.02 s	C#	2022-12-26 03:56:59
9	Hidden user	0.02 s	C#	2022-12-27 21:54:51
10	Hidden user	0.02 s	C#	2022-12-27 21:55:38

#	User	Runtime	Language	Date
1	Jacob Sutton	0.01 s	Common Lisp	2022-12-23 21:29:51
2	Norvell Spearman	0.03 s	Common Lisp	2025-01-05 04:45:54

#	User	Runtime	Language	Date
1	Daniel Strömberg	0.55 s	Elixir	2024-11-22 13:21:12

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.02 s	F#	2022-12-24 22:16:19
2	dix	0.06 s	F#	2024-11-06 03:14:56

#	User	Runtime	Language	Date
1	Suka Isnaini	0.00 s	Go	2023-12-15 17:36:41
2	Bogdan Matei	0.00 s	Go	2024-11-22 14:53:15
3	Yafet Seyoum	0.00 s	Go	2025-06-07 10:29:23
4	Cahyo Nugroho	0.02 s	Go	2022-12-12 16:28:38
5	Norbert Voelker	0.02 s	Go	2022-12-12 17:19:12
6	Jimmy Nejtron	0.02 s	Go	2022-12-25 11:57:47
7	Zeheng Li	0.02 s	Go	2022-12-29 22:40:06
8	Ian Howell	0.02 s	Go	2023-01-09 20:27:59
9	Lauritz Baess-Lehmann	0.02 s	Go	2023-02-03 12:40:32
10	Martin Tran	0.08 s	Go	2022-03-26 20:40:24

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.04 s	Java	2024-11-10 06:47:00
2	Hidden user	0.04 s	Java	2024-11-22 13:12:09
3	Tolga Karadeni̇z	0.04 s	Java	2024-11-22 14:16:06
4	Joshua Chin	0.04 s	Java	2025-07-24 18:24:06
5	Markus Bao	0.04 s	Java	2025-09-13 14:17:07
6	Lee Heng Sheng	0.05 s	Java	2024-04-27 15:46:51
7	Karlos Amada	0.05 s	Java	2024-05-02 15:00:52
8	Ku Brian	0.05 s	Java	2024-05-04 06:20:28
9	Terry Morris	0.05 s	Java	2024-07-04 20:13:32
10	Crystal Sharpe	0.06 s	Java	2022-03-26 18:06:14

#	User	Runtime	Language	Date
1	Adam Beskow	0.04 s	JavaScript (Node.js)	2024-11-22 14:12:12
2	Hidden user	0.04 s	JavaScript (Node.js)	2024-11-22 14:30:19
3	Hidden user	0.05 s	JavaScript (Node.js)	2024-07-05 07:14:02
4	August Danell Håkansson	0.09 s	JavaScript (Node.js)	2022-12-28 11:58:34

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2022-12-02 22:28:09
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2022-12-29 00:21:38
3	Nicklas Utgaard	0.02 s	JavaScript (SpiderMonkey)	2022-12-30 20:32:23
4	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-04-19 21:34:12
5	Evan Magill	0.02 s	JavaScript (SpiderMonkey)	2024-04-20 08:28:21
6	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-06-13 00:30:26
7	Ben Armstrong	0.02 s	JavaScript (SpiderMonkey)	2025-08-11 14:48:59

#	User	Runtime	Language	Date
1	Timothy Gaede	0.30 s	Julia	2024-03-24 06:27:47

#	User	Runtime	Language	Date
1	Sergey Jakobsen	0.17 s	Kotlin	2022-12-03 02:46:44
2	Troy Warmboe	0.17 s	Kotlin	2023-04-10 23:41:50
3	Emil Wihlander	0.17 s	Kotlin	2023-07-24 20:25:51
4	Adam Rankin	0.18 s	Kotlin	2023-04-22 03:12:25
5	Zaw Myat	0.18 s	Kotlin	2024-01-05 15:20:45
6	Martijn Muijsers	0.19 s	Kotlin	2024-05-30 21:23:53
7	Ola Sundell	0.20 s	Kotlin	2023-07-23 11:11:41
8	Matúš Šatara	0.24 s	Kotlin	2024-11-22 14:15:37
9	Chris Johnson	0.25 s	Kotlin	2025-10-28 21:48:57

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-05-14 22:00:37

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2022-12-08 22:16:49
2	David Connolly	0.00 s	Pascal	2023-01-10 14:47:16

#	User	Runtime	Language	Date
1	Andre Wahyudi	0.01 s	PHP	2022-12-05 10:59:46
2	Renate Fiala-Lundström	0.01 s	PHP	2023-07-03 23:58:56

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.02 s	Prolog	2023-01-19 10:34:51
2	Andriy Zyevakov	0.02 s	Prolog	2023-02-03 18:09:20

#	User	Runtime	Language	Date
1	Johan Lyts	0.03 s	Python 2	2022-12-03 15:31:22
2	Yanmarshus Bachtiar	0.03 s	Python 2	2023-02-15 02:06:34
3	Conner L	0.03 s	Python 2	2023-02-16 00:08:07

#	User	Runtime	Language	Date
1	Noah Weninger	0.04 s	Python 3	2022-08-24 22:06:23
2	Arnav Sastry	0.04 s	Python 3	2022-12-02 19:46:01
3	Alvaro Fernandez	0.04 s	Python 3	2022-12-02 19:55:46
4	Zac Friggstad	0.04 s	Python 3	2022-12-02 20:16:39
5	Hidden user	0.04 s	Python 3	2022-12-02 21:37:51
6	Noah Hessen Bjerke	0.04 s	Python 3	2022-12-03 00:22:33
7	Ammar Qayyim	0.04 s	Python 3	2022-12-03 03:02:17
8	Victor Song	0.04 s	Python 3	2022-12-03 04:47:37
9	Goh Sheen An	0.04 s	Python 3	2022-12-03 17:00:57
10	Błażej Dariusz Roszkowski	0.04 s	Python 3	2022-12-03 17:43:32

#	User	Runtime	Language	Date
1	Alexander Bilde Pedersen	0.05 s	Ruby	2023-06-06 17:38:35
2	Noah Hessen Bjerke	0.06 s	Ruby	2022-12-03 21:30:55
3	Miorel Palii	0.06 s	Ruby	2022-12-07 05:06:27
4	Thomas Feld	0.06 s	Ruby	2022-12-07 14:51:06
5	Hakan Kjellerstrand	0.06 s	Ruby	2023-03-17 08:12:24
6	Eugen Neagoe	0.06 s	Ruby	2023-04-08 04:17:52
7	Matzuka	0.06 s	Ruby	2025-10-25 20:56:08
8	dick move	0.07 s	Ruby	2022-12-03 13:09:17
9	Hidden user	0.08 s	Ruby	2024-11-22 14:25:38

#	User	Runtime	Language	Date
1	Iosif Moldovan	0.00 s	Swift	2024-11-22 09:32:18

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	TypeScript	2024-11-22 13:50:17
2	Mahan vr	0.05 s	TypeScript	2024-11-22 16:32:01

#	User	Length	Language	Date
1	Sebastian Banert	241	Ada	2024-07-12 21:40:30

#	User	Length	Language	Date
1	Johan Clarström	56	APL	2023-03-14 02:58:06

#	User	Length	Language	Date
1	Chenzhang Hu	38	Bash	2025-09-12 20:00:14
2	Danny Robinson	47	Bash	2023-10-01 08:42:06
3	Thomas Feld	48	Bash	2023-09-26 15:56:31
4	Frans Meulenbroeks	68	Bash	2024-12-25 23:02:20
5	Mattia Marziali	90	Bash	2024-03-01 01:24:24
6	D A K	118	Bash	2025-04-24 16:36:18

#	User	Length	Language	Date
1	Martin Blom	142	C	2023-12-21 10:41:45
2	HwH	214	C	2023-01-16 16:22:59
3	arda atci	222	C	2023-02-25 13:20:20
4	Karl Andrei Ordinario	246	C	2023-09-15 08:58:47
5	Rabbani Islam Refat	247	C	2024-02-16 11:32:50
6	Justin Winata Susanto	254	C	2023-02-16 12:20:40
7	紅茶	256	C	2023-02-07 08:33:45
8	Hidden user	266	C	2025-04-27 08:45:24
9	Tyler Mulholland	268	C	2023-01-10 05:31:37
10	Hidden user	271	C	2025-05-02 06:44:53

#	User	Length	Language	Date
1	Jan Matthiessen	90	C#	2024-05-25 14:08:34
2	traxex	107	C#	2024-05-09 17:08:55
3	Mikael Palokangas	118	C#	2023-01-18 14:29:01
4	Nathaniel McComas	120	C#	2023-01-27 06:50:54
5	Deci Bel	158	C#	2025-01-01 21:20:10
6	Nithi Dhanasekaran	165	C#	2024-11-22 09:42:51
7	Emma Mellström	170	C#	2024-11-22 13:26:52
8	Esty Crow	176	C#	2022-12-06 22:03:16
9	Jaakko Honkaranta	200	C#	2024-11-22 15:39:40
10	Thomas Ploughgaard Christensen	202	C#	2026-02-07 12:53:36

#	User	Length	Language	Date
1	Tyler Fernando	133	C++	2023-03-22 11:44:38
2	Chance Parsons	141	C++	2023-02-06 18:52:40
3	Elias Lolck	150	C++	2022-12-28 21:10:02
4	Dmytro Bilotserkovets	169	C++	2025-03-20 17:33:25
5	Leslie Yip	171	C++	2022-12-05 12:40:25
6	Alina Rudzenis	173	C++	2025-03-30 17:51:33
7	Aloysius Yong	175	C++	2023-01-29 04:05:53
8	Evan Michael Bailey	177	C++	2025-06-19 01:38:33
9	Samuel Tan	180	C++	2022-12-04 20:38:29
10	Đậu Huy Minh	181	C++	2022-12-03 10:08:20

#	User	Length	Language	Date
1	Jacob Sutton	130	Common Lisp	2022-12-23 21:29:51
2	Norvell Spearman	285	Common Lisp	2025-01-05 04:45:54

#	User	Length	Language	Date
1	Daniel Strömberg	273	Elixir	2024-11-22 13:21:12

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	158	F#	2022-12-24 22:16:19
2	dix	210	F#	2024-11-06 03:14:56

#	User	Length	Language	Date
1	Suka Isnaini	244	Go	2023-12-15 17:36:41
2	Cahyo Nugroho	262	Go	2022-12-12 16:28:38
3	Martin Tran	264	Go	2022-03-26 20:40:24
4	Zeheng Li	277	Go	2022-12-29 22:40:06
5	Norbert Voelker	302	Go	2022-12-12 17:19:12
6	Ian Howell	317	Go	2023-01-09 20:27:59
7	Bogdan Matei	324	Go	2024-11-22 14:53:15
8	Yafet Seyoum	347	Go	2025-06-07 10:29:23
9	Jimmy Nejtron	361	Go	2022-12-25 11:57:47
10	Lauritz Baess-Lehmann	434	Go	2023-02-03 12:40:32

#	User	Length	Language	Date
1	Rudy Matela	76	Haskell	2024-03-19 19:06:28
2	Brent Yorgey	77	Haskell	2022-12-04 21:02:05
3	Bjarki Baldursson Harksen	101	Haskell	2022-12-03 01:14:09
4	Øyvind Almli	124	Haskell	2023-01-01 14:21:25
5	Mason Barnhill	127	Haskell	2023-10-20 18:45:22
6	Sebastian Banert	128	Haskell	2023-05-12 21:54:27
7	Steinar Simonnes	139	Haskell	2024-01-21 13:33:41
8	Henrik Olsen Eide	141	Haskell	2023-08-18 13:26:36
9	Péter Szakszon	167	Haskell	2022-12-03 20:33:45
10	Hidden user	168	Haskell	2024-03-23 08:03:34

#	User	Length	Language	Date
1	Guangyi Zhou	176	Java	2024-11-10 06:52:10
2	Benjamin Wen	218	Java	2022-12-28 19:16:02
3	Nathaniel Lukas Christianto	235	Java	2023-12-26 04:24:46
4	Henry Fong	248	Java	2022-12-08 17:55:08
5	Samuel Joseph	248	Java	2023-06-23 16:01:38
6	Thanh Le	249	Java	2022-12-03 19:34:40
7	Krrish	250	Java	2022-12-20 01:01:52
8	Johnny Console	251	Java	2024-03-16 23:11:13
9	Lim Ting Kai	254	Java	2023-06-08 07:06:13
10	David Paul	255	Java	2024-06-28 22:44:27

#	User	Length	Language	Date
1	Hidden user	247	JavaScript (Node.js)	2023-02-06 05:16:16
2	Adam Beskow	289	JavaScript (Node.js)	2024-11-22 14:12:12
3	Hidden user	353	JavaScript (Node.js)	2024-11-22 14:30:19
4	August Danell Håkansson	579	JavaScript (Node.js)	2022-12-28 11:58:34

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	57	JavaScript (SpiderMonkey)	2022-12-29 00:21:38
2	Zach Tschetter	63	JavaScript (SpiderMonkey)	2023-04-19 21:34:12
3	Evan Magill	65	JavaScript (SpiderMonkey)	2024-04-20 08:28:21
4	Bjørn Chr. Soltvedt	67	JavaScript (SpiderMonkey)	2022-12-02 22:28:09
5	Jimmy Gustafsson	72	JavaScript (SpiderMonkey)	2024-06-13 00:30:51
6	Ben Armstrong	81	JavaScript (SpiderMonkey)	2025-08-11 14:48:59
7	Nicklas Utgaard	321	JavaScript (SpiderMonkey)	2022-12-30 20:32:23

#	User	Length	Language	Date
1	Timothy Gaede	109	Julia	2024-03-24 06:27:47

#	User	Length	Language	Date
1	Sergey Jakobsen	104	Kotlin	2022-12-03 02:46:44
2	Troy Warmboe	152	Kotlin	2023-04-10 23:41:50
3	Matúš Šatara	196	Kotlin	2024-11-22 14:15:37
4	Emil Wihlander	197	Kotlin	2023-07-24 20:25:51
5	Chris Johnson	225	Kotlin	2025-10-28 21:48:57
6	Zaw Myat	304	Kotlin	2024-01-05 15:20:45
7	Adam Rankin	310	Kotlin	2023-04-22 03:12:25
8	Martijn Muijsers	377	Kotlin	2024-05-30 21:23:53
9	Ola Sundell	401	Kotlin	2023-07-23 11:11:41

#	User	Length	Language	Date
1	Hidden user	461	Odin	2025-05-14 22:00:37

#	User	Length	Language	Date
1	Ingemar Ragnemalm	210	Pascal	2022-12-08 22:16:49
2	David Connolly	314	Pascal	2023-01-10 14:47:16

#	User	Length	Language	Date
1	Renate Fiala-Lundström	125	PHP	2023-07-03 23:58:56
2	Andre Wahyudi	314	PHP	2022-12-05 10:59:46

#	User	Length	Language	Date
1	Hakan Kjellerstrand	81	Prolog	2023-03-17 07:47:05
2	Andriy Zyevakov	285	Prolog	2023-02-03 18:09:20

#	User	Length	Language	Date
1	Yanmarshus Bachtiar	64	Python 2	2023-02-15 02:06:34
2	Johan Lyts	113	Python 2	2022-12-03 15:31:22
3	Conner L	162	Python 2	2023-02-16 00:08:07

#	User	Length	Language	Date
1	Noah Weninger	51	Python 3	2022-08-24 22:06:23
2	Noah Hessen Bjerke	51	Python 3	2022-12-03 22:24:26
3	Harry Zhang	51	Python 3	2022-12-05 10:34:59
4	Lee Isaac	51	Python 3	2022-12-05 15:44:16
5	Anna Elisabeth Falnes-Dalheim	51	Python 3	2022-12-05 22:08:52
6	Guk Yi Siong	51	Python 3	2022-12-16 16:14:13
7	Hidden user	51	Python 3	2023-01-25 06:13:48
8	Morten Clausen	51	Python 3	2023-01-26 14:13:01
9	M. K.W.	51	Python 3	2023-02-23 03:20:48
10	Benjamin Z White	51	Python 3	2023-04-14 10:04:57

#	User	Length	Language	Date
1	dick move	40	Ruby	2022-12-03 13:09:17
2	Thomas Feld	40	Ruby	2022-12-07 14:51:06
3	Hakan Kjellerstrand	41	Ruby	2023-03-17 08:13:07
4	Miorel Palii	42	Ruby	2022-12-07 05:18:50
5	Noah Hessen Bjerke	47	Ruby	2022-12-03 22:48:35
6	Matzuka	52	Ruby	2025-10-25 21:00:30
7	Alexander Bilde Pedersen	58	Ruby	2023-06-06 17:38:35
8	Eugen Neagoe	84	Ruby	2023-04-08 04:17:52
9	Hidden user	96	Ruby	2024-11-22 14:25:38

#	User	Length	Language	Date
1	Vincent Lagerros	181	Rust	2024-12-22 23:51:59
2	David Rasch	183	Rust	2022-12-04 15:40:07
3	Emil Dichmann	183	Rust	2025-09-15 07:12:49
4	Conner L	221	Rust	2024-03-11 19:34:54
5	Bas Dirks	226	Rust	2023-05-25 13:29:52
6	Fredrik Eriksson	238	Rust	2025-06-25 15:24:31
7	Pankajkumar Patro	248	Rust	2024-10-12 17:56:32
8	Nathaniel Risum	254	Rust	2025-10-15 11:36:21
9	Andreas Gottschalk Krath	257	Rust	2022-12-09 00:13:04
10	Dan Parry	290	Rust	2025-01-28 17:26:36

#	User	Length	Language	Date
1	Iosif Moldovan	385	Swift	2024-11-22 09:32:18

#	User	Length	Language	Date
1	Mahan vr	336	TypeScript	2024-11-22 16:32:01
2	Hidden user	557	TypeScript	2024-11-22 13:50:17

Solution running time distribution