Problem A
Triangle Ornaments — Problem Statistics

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Submissions	1016
Accepted submissions	617
Submission ratio	60.73%
Authors	523
Full solves [?]	467
Full solve Ratio	89.29%

#	User	Runtime	Language	Date
1	Kunwei Zhang	0.02 s	C#	2018-06-12 11:27:34
2	Balder Sandstrøm	0.02 s	C#	2018-10-03 14:26:21
3	Hüseyin Ege Gökcan	0.02 s	C#	2021-10-12 13:06:14
4	Henrik Hallbert	0.02 s	C#	2022-05-07 15:28:37
5	Esty Crow	0.02 s	C#	2023-01-03 22:47:45
6	Mikael Fiala-Lundström	0.03 s	C#	2021-06-07 16:04:56
7	Max	0.04 s	C#	2023-05-12 17:22:55

#	User	Runtime	Language	Date
1	Michael Reis	0.02 s	Common Lisp	2019-03-19 19:02:36

#	User	Runtime	Language	Date
1	Jérémie Dupuis	0.00 s	Fortran	2022-10-03 04:56:41

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-05-12 17:43:19

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2017-11-05 04:56:21
2	Hidden user	0.00 s	Haskell	2023-01-21 04:15:59
3	Håkon Flatval	0.01 s	Haskell	2018-08-21 16:37:26
4	Intrets	0.01 s	Haskell	2018-11-25 01:48:53
5	Hidden user	0.01 s	Haskell	2019-09-12 18:22:42
6	Matthew Craven	0.01 s	Haskell	2020-02-29 20:00:11
7	Jan Hrček	0.01 s	Haskell	2021-03-23 05:57:32

#	User	Runtime	Language	Date
1	Nguyen Viet Quang	0.04 s	Java	2025-07-18 16:26:45
2	Paul Boddington	0.05 s	Java	2017-01-22 21:48:50
3	Bjørn Dons	0.05 s	Java	2018-11-25 03:22:23
4	Finn Lidbetter	0.06 s	Java	2016-07-12 21:37:39
5	Erik Baalhuis	0.06 s	Java	2016-08-05 22:35:53
6	Viraj Maddur	0.06 s	Java	2017-01-26 01:37:31
7	Shawn Hatchwell	0.06 s	Java	2017-02-02 19:57:49
8	William Fiset	0.06 s	Java	2017-03-19 22:42:52
9	Ross O'Sullivan	0.06 s	Java	2017-06-02 19:58:51
10	David Koval	0.06 s	Java	2017-06-21 19:22:30

#	User	Runtime	Language	Date
1	Gurushant Gurushant	0.09 s	JavaScript (Node.js)	2023-05-11 22:40:53
2	Oscar Peulicke	0.42 s	JavaScript (Node.js)	2020-10-24 14:21:46

#	User	Runtime	Language	Date
1	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-02-06 15:49:51
2	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2023-10-13 22:44:30
3	Nick Cooper	0.02 s	JavaScript (SpiderMonkey)	2024-03-18 08:51:09
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-14 00:24:53
5	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-10-14 13:49:45

#	User	Runtime	Language	Date
1	Timothy Gaede	0.77 s	Julia	2024-05-21 06:27:06

#	User	Runtime	Language	Date
1	Hidden user	0.15 s	Kotlin	2020-01-06 03:47:53
2	Adam Rankin	0.19 s	Kotlin	2023-08-31 00:15:32
3	Merih Bora Poçan	0.21 s	Kotlin	2020-08-24 20:09:58
4	Neil Harmon	0.22 s	Kotlin	2019-05-10 12:15:19
5	Martijn Muijsers	0.22 s	Kotlin	2024-06-01 23:10:34

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-09-26 11:07:49

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2016-10-25 18:51:25

#	User	Runtime	Language	Date
1	Kari Xia	0.03 s	Python 2	2017-01-31 05:02:29
2	Andrei Stoica	0.03 s	Python 2	2017-10-27 20:02:13
3	Tomás Cariño	0.03 s	Python 2	2018-05-26 05:48:35
4	Sigurður Jens Albertsson	0.03 s	Python 2	2018-10-02 14:11:59
5	Jesper Öqvist	0.03 s	Python 2	2018-10-24 00:10:51
6	Fritte Liksom	0.03 s	Python 2	2018-11-25 14:54:44
7	Catalin Popa	0.03 s	Python 2	2018-12-03 17:49:54
8	Fatima Afzali	0.03 s	Python 2	2019-01-19 22:30:45
9	Maj Stenmark	0.03 s	Python 2	2019-09-07 17:38:20
10	Thomas Feld	0.03 s	Python 2	2019-11-08 12:47:13

#	User	Runtime	Language	Date
1	Joshua Pan	0.02 s	Python 3	2016-10-23 21:05:56
2	Ian Yu	0.02 s	Python 3	2017-01-27 18:37:01
3	Bob Joe	0.02 s	Python 3	2017-01-27 20:50:12
4	Hyaline Seiche	0.02 s	Python 3	2017-07-05 16:08:02
5	David C.	0.02 s	Python 3	2017-11-24 16:06:15
6	James Hamm	0.02 s	Python 3	2018-04-10 17:51:37
7	Yang Li	0.02 s	Python 3	2018-04-14 09:05:01
8	Jean Niklas L'orange	0.02 s	Python 3	2018-04-29 22:52:42
9	Klavdija Trebušak	0.02 s	Python 3	2018-05-04 10:25:09
10	Neel Verma	0.02 s	Python 3	2018-05-25 19:00:37

#	User	Runtime	Language	Date
1	Miorel Palii	0.03 s	Ruby	2017-12-24 19:57:11
2	Thomas Feld	0.07 s	Ruby	2023-02-06 15:15:19

#	User	Runtime	Language	Date
1	Mathias Magnusson	0.00 s	Rust	2022-03-03 13:28:37
2	Victor Millberg	0.00 s	Rust	2022-03-03 21:30:40
3	Bas Dirks	0.00 s	Rust	2022-03-22 13:22:36
4	Simon Jutvreten	0.00 s	Rust	2024-03-12 15:31:21
5	Alvin Westling	0.00 s	Rust	2024-03-13 15:27:59
6	Vincent Lagerros	0.00 s	Rust	2024-04-29 20:54:23
7	Christoffer Andersson	0.00 s	Rust	2024-05-01 18:07:31
8	Rasmus Andersson	0.00 s	Rust	2024-05-07 02:07:06
9	Felix Köhler	0.00 s	Rust	2024-05-18 07:49:12

#	User	Runtime	Language	Date
1	Alexander Björkman	0.00 s	Zig	2024-03-17 23:47:14
2	Erik Frankling	0.00 s	Zig	2024-04-09 12:18:39

#	User	Length	Language	Date
1	Eyleifur Bjarkason	215	C	2023-03-07 22:04:15
2	Tommy Bergman	353	C	2024-02-25 21:22:12
3	Hjörtur Björnsson	360	C	2023-03-07 14:20:22
4	PhilCampbell	372	C	2021-02-26 09:59:56
5	Christian Lindeström	384	C	2016-08-15 01:03:59
6	Hidden user	455	C	2018-09-07 02:25:58
7	Mikael K Eriksson	469	C	2021-03-31 15:16:49
8	Jón Steinn Elíasson	519	C	2020-05-07 20:43:42
9	Vaibhav Vaidish	531	C	2023-09-21 01:48:28
10	Ali Arhamsadr	533	C	2020-10-29 08:58:40

#	User	Length	Language	Date
1	Kunwei Zhang	582	C#	2018-06-12 11:27:34
2	Esty Crow	606	C#	2023-01-03 22:47:45
3	Henrik Hallbert	1060	C#	2022-05-07 15:28:37
4	Balder Sandstrøm	1480	C#	2018-10-03 14:26:21
5	Mikael Fiala-Lundström	2145	C#	2021-06-07 16:04:56
6	Hüseyin Ege Gökcan	2218	C#	2021-10-12 13:06:14
7	Max	3914	C#	2023-05-12 17:22:55

#	User	Length	Language	Date
1	Eyleifur Bjarkason	193	C++	2023-03-07 22:12:56
2	Chance Parsons	210	C++	2022-10-27 17:01:05
3	Dmitry Chirin	267	C++	2022-11-27 03:46:59
4	Zane Yu	293	C++	2019-01-16 12:18:32
5	Teikn Smith	310	C++	2022-06-16 04:59:57
6	Johan Wind	312	C++	2018-04-01 02:44:33
7	Bbshsh Si	316	C++	2022-01-07 04:46:18
8	William Gan	317	C++	2018-12-04 14:20:54
9	Omar Chadad	347	C++	2018-01-03 00:20:19
10	Caeden Whitaker	350	C++	2021-06-20 06:32:14

#	User	Length	Language	Date
1	Michael Reis	3012	Common Lisp	2019-03-19 19:02:36

#	User	Length	Language	Date
1	Jérémie Dupuis	302	Fortran	2022-10-03 04:56:41

#	User	Length	Language	Date
1	Norbert Voelker	2030	Go	2021-05-12 17:43:19

#	User	Length	Language	Date
1	Håkon Flatval	428	Haskell	2018-08-21 16:37:26
2	Matthew Craven	704	Haskell	2020-02-29 20:00:11
3	Jan Hrček	716	Haskell	2021-03-23 05:57:32
4	Hidden user	782	Haskell	2023-01-21 04:15:59
5	Brent Yorgey	3491	Haskell	2017-11-05 04:56:21
6	Intrets	4337	Haskell	2018-11-25 01:48:53
7	Hidden user	5615	Haskell	2019-09-12 18:22:42

#	User	Length	Language	Date
1	Merten Bohn	449	Java	2023-04-18 16:54:34
2	Brian Lee	551	Java	2017-01-26 18:32:29
3	Slavko Bezjak	560	Java	2023-05-11 08:40:50
4	Jeffrey SF	570	Java	2017-01-27 18:43:43
5	Matthew Zhang	572	Java	2017-01-27 18:42:32
6	Mingyin Zhu	574	Java	2017-01-27 02:52:53
7	Thomas	625	Java	2019-03-19 14:35:37
8	Guanqiao Ding	626	Java	2018-08-24 05:52:45
9	Charley Sheaffer	655	Java	2018-10-30 02:05:48
10	Yizhu Zhao	672	Java	2018-09-16 21:01:18

#	User	Length	Language	Date
1	Oscar Peulicke	558	JavaScript (Node.js)	2020-10-24 14:21:46
2	Gurushant Gurushant	1009	JavaScript (Node.js)	2023-05-11 22:40:53

#	User	Length	Language	Date
1	Jimmy Gustafsson	107	JavaScript (SpiderMonkey)	2024-08-14 00:24:53
2	Nick Cooper	217	JavaScript (SpiderMonkey)	2024-03-18 08:53:39
3	Bjørn Chr. Soltvedt	225	JavaScript (SpiderMonkey)	2023-10-13 22:56:39
4	Peter Menyes	480	JavaScript (SpiderMonkey)	2021-10-14 13:49:45
5	Christian Cederquist	626	JavaScript (SpiderMonkey)	2023-02-06 15:49:51

#	User	Length	Language	Date
1	Timothy Gaede	2573	Julia	2024-05-21 06:27:06

#	User	Length	Language	Date
1	Adam Rankin	694	Kotlin	2023-08-31 00:15:32
2	Martijn Muijsers	834	Kotlin	2024-06-01 23:10:34
3	Merih Bora Poçan	929	Kotlin	2020-08-24 20:09:58
4	Neil Harmon	1083	Kotlin	2019-05-10 12:15:19
5	Hidden user	1105	Kotlin	2020-01-06 03:47:53

#	User	Length	Language	Date
1	Ingemar Ragnemalm	3208	Pascal	2017-09-26 11:07:49

#	User	Length	Language	Date
1	Andriy Zyevakov	676	Prolog	2016-10-25 18:51:25

#	User	Length	Language	Date
1	Sigurður Jens Albertsson	195	Python 2	2018-10-02 14:11:59
2	Fritte Liksom	243	Python 2	2018-11-25 15:02:49
3	Andrei Stoica	330	Python 2	2017-10-27 20:02:13
4	Thomas Feld	351	Python 2	2019-11-08 12:47:13
5	Johan Lyts	397	Python 2	2019-12-10 21:54:52
6	Jesper Öqvist	432	Python 2	2018-10-24 00:10:51
7	Catalin Popa	434	Python 2	2018-12-03 17:49:54
8	Fatima Afzali	493	Python 2	2019-01-19 22:30:45
9	Tomás Cariño	779	Python 2	2018-12-03 20:42:59
10	Kari Xia	823	Python 2	2017-01-31 05:02:29

#	User	Length	Language	Date
1	Ahmed Chamseddine	135	Python 3	2024-08-13 14:13:58
2	Thibault Raffaillac	137	Python 3	2024-07-29 23:04:02
3	Jaydan Aladro	154	Python 3	2022-11-18 16:58:57
4	Kevin Lessard	157	Python 3	2024-07-16 03:27:37
5	Yong Mao	173	Python 3	2023-04-14 05:57:11
6	a_b__c	175	Python 3	2021-01-09 05:36:26
7	Tobias Bessler	182	Python 3	2024-08-26 06:15:57
8	Alexei Fedotov	191	Python 3	2018-06-11 23:01:14
9	Žan Stifler	196	Python 3	2019-10-15 13:17:20
10	April Chao	213	Python 3	2021-10-09 17:50:13

#	User	Length	Language	Date
1	Thomas Feld	101	Ruby	2023-02-06 15:15:19
2	Miorel Palii	226	Ruby	2017-12-24 19:58:53

#	User	Length	Language	Date
1	Rasmus Andersson	480	Rust	2024-05-07 02:07:06
2	Felix Köhler	618	Rust	2024-05-18 07:49:12
3	Simon Jutvreten	653	Rust	2024-03-12 15:31:21
4	Bas Dirks	687	Rust	2022-03-22 13:48:11
5	Vincent Lagerros	764	Rust	2024-04-29 20:54:23
6	Mathias Magnusson	867	Rust	2022-03-03 13:28:37
7	Christoffer Andersson	916	Rust	2024-05-01 18:07:31
8	Victor Millberg	2174	Rust	2022-03-03 21:30:40
9	Alvin Westling	5836	Rust	2024-03-13 15:27:59

#	User	Length	Language	Date
1	Erik Frankling	1360	Zig	2024-04-09 12:18:39
2	Alexander Björkman	3712	Zig	2024-03-17 23:47:14

Solution running time distribution