Problem A
Triple Sevens — Problem Statistics

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Submissions	3325
Accepted submissions	1603
Submission ratio	48.21%
Authors	1484
Accepted authors	1384
Author ratio	93.26%

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2024-02-26 14:41:56
2	Chenzhang Hu	0.02 s	Bash	2024-02-28 16:22:13

#	User	Runtime	Language	Date
1	Anthony Ye	0.03 s	C#	2024-03-22 19:19:11
2	Maykal Droshev	0.04 s	C#	2024-02-26 23:21:14
3	Sano Gharzani	0.04 s	C#	2024-02-27 17:48:06
4	Benjamin Bilbeau	0.04 s	C#	2024-03-20 18:34:14
5	Esty Crow	0.04 s	C#	2024-03-22 16:49:09
6	traxex	0.04 s	C#	2024-03-25 12:31:42
7	Martin Jentoft	0.04 s	C#	2024-04-08 16:00:32
8	Mads Orfelt	0.04 s	C#	2024-04-28 02:19:31
9	Hidden user	0.04 s	C#	2024-08-17 13:37:08
10	Nicke Nyfiken	0.04 s	C#	2025-03-14 14:42:47

#	User	Runtime	Language	Date
1	Jacky Blois	0.00 s	COBOL	2024-06-07 16:33:43

#	User	Runtime	Language	Date
1	yraten	0.01 s	Common Lisp	2024-04-09 22:35:09

#	User	Runtime	Language	Date
1	Norbert Voelker	0.00 s	Go	2024-02-25 15:33:31
2	Jimmy Nejtron	0.00 s	Go	2024-04-15 20:11:55
3	Deci Bel	0.00 s	Go	2024-04-29 10:40:13
4	Abby Lorber	0.00 s	Go	2024-05-08 03:06:00

#	User	Runtime	Language	Date
1	Stela Palii	0.04 s	Java	2024-11-30 07:16:58
2	Guangyi Zhou	0.04 s	Java	2024-12-01 15:46:07
3	Alex Tilgreen Mogensen	0.05 s	Java	2024-03-12 19:19:50
4	Lee Heng Sheng	0.05 s	Java	2024-04-13 12:09:58
5	Ku Brian	0.05 s	Java	2024-04-27 16:09:36
6	Achim Ahlers	0.05 s	Java	2024-05-25 15:54:43
7	Todd W. Neller	0.05 s	Java	2025-02-21 22:44:23
8	Cameron Taylor	0.06 s	Java	2024-02-24 20:11:02
9	Ben Cobb	0.06 s	Java	2024-02-24 20:20:41
10	Miorel Palii	0.06 s	Java	2024-02-24 20:40:46

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	JavaScript (Node.js)	2024-10-18 05:11:38
2	Faisal Rahman	0.05 s	JavaScript (Node.js)	2024-03-02 10:53:37

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2024-02-24 23:45:59
2	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2024-02-26 00:18:27
3	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2024-02-26 21:56:39
4	Hidden user	0.02 s	JavaScript (SpiderMonkey)	2024-03-27 19:22:49
5	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-06-10 14:56:45
6	Hidden user	0.02 s	JavaScript (SpiderMonkey)	2024-09-05 20:22:49
7	Yslam Ismailov	0.02 s	JavaScript (SpiderMonkey)	2024-09-08 05:36:19

#	User	Runtime	Language	Date
1	Timothy Gaede	0.50 s	Julia	2024-03-16 07:43:58

#	User	Runtime	Language	Date
1	Emil Wihlander	0.19 s	Kotlin	2024-07-16 16:12:46
2	Paul McBurney	0.20 s	Kotlin	2024-02-24 20:37:06
3	Zaw Myat	0.20 s	Kotlin	2024-03-19 11:22:11
4	Adam Rankin	0.20 s	Kotlin	2024-05-05 03:52:49
5	Martijn Muijsers	0.20 s	Kotlin	2024-05-27 19:04:19
6	Troy Warmboe	0.21 s	Kotlin	2024-04-05 23:06:41
7	Hamdanil Rasyid	0.22 s	Kotlin	2025-03-31 03:59:43

#	User	Runtime	Language	Date
1	Jacky Blois	0.00 s	Lua	2024-06-07 16:22:29

#	User	Runtime	Language	Date
1	Artemis Ngoh	0.00 s	OCaml	2024-03-03 14:19:34

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-05-20 18:40:19

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2024-03-06 19:39:55
2	David Connolly	0.00 s	Pascal	2024-03-15 15:21:51

#	User	Runtime	Language	Date
1	Saito Ta	0.00 s	Perl	2024-03-27 10:11:46

#	User	Runtime	Language	Date
1	crapcode	0.01 s	PHP	2024-03-08 11:27:04
2	Renate	0.01 s	PHP	2024-04-07 10:41:56

#	User	Runtime	Language	Date
1	Johan Lyts	0.03 s	Python 2	2024-03-25 13:32:23

#	User	Runtime	Language	Date
1	João Manoel Feck	0.04 s	Python 3	2024-08-29 20:13:04
2	Sean Phi	0.04 s	Python 3	2024-08-31 01:39:55
3	Eliot Hall	0.04 s	Python 3	2024-08-31 01:49:52
4	Oliver Chou	0.04 s	Python 3	2024-08-31 01:50:28
5	Theon Olaivar	0.04 s	Python 3	2024-08-31 02:02:11
6	Asher Drake Alacar	0.04 s	Python 3	2024-08-31 02:35:48
7	Alex Rudzenis	0.04 s	Python 3	2024-09-02 15:24:41
8	Luis Enrique Cortijo Gonzales	0.04 s	Python 3	2024-09-04 08:15:01
9	Rebecca Jackson	0.04 s	Python 3	2024-09-04 19:20:07
10	Hiep (Roger) Nguyen	0.04 s	Python 3	2024-09-05 07:00:34

#	User	Runtime	Language	Date
1	Ruby de Koning	0.06 s	Ruby	2024-02-27 00:54:23
2	Thomas Feld	0.07 s	Ruby	2024-02-27 12:43:53
3	Frederik Petersen	0.07 s	Ruby	2024-03-26 20:34:02
4	Russell Ng	0.07 s	Ruby	2024-06-22 13:27:22

#	User	Runtime	Language	Date
1	AZm87	0.00 s	Swift	2024-04-08 18:52:29
2	Jevania	0.00 s	Swift	2024-04-28 16:20:03

#	User	Runtime	Language	Date
1	Maxwell Penders	0.00 s	Zig	2024-03-05 18:27:24

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-02-28 16:22:13
2	Danny Robinson	46	Bash	2024-02-26 14:43:02

#	User	Length	Language	Date
1	Martin Blom	114	C	2024-06-13 18:28:44
2	Hidden user	249	C	2025-05-02 06:06:39
3	Hidden user	273	C	2024-03-10 15:07:11
4	Hidden user	297	C	2024-10-21 11:04:05
5	Merih Bora Poçan	340	C	2024-03-23 19:01:46
6	Mikael K Eriksson	363	C	2024-02-25 15:44:30
7	Børge Bjørnstadjordet	363	C	2024-06-24 08:06:06
8	Henrik Bohlin	368	C	2024-05-06 14:25:58
9	Allan Nouri	377	C	2024-02-25 21:35:15
10	Trinh Nguyen Bao Duy (K18 CT)	414	C	2024-05-27 09:00:17

#	User	Length	Language	Date
1	traxex	217	C#	2024-03-25 12:31:42
2	Esty Crow	273	C#	2024-03-22 16:49:09
3	clarence chen	284	C#	2024-09-13 18:18:57
4	Anthony Ye	340	C#	2024-03-29 20:11:37
5	Freek van Keulen	466	C#	2024-03-07 10:09:05
6	Pontus Magnusson	467	C#	2024-03-26 22:24:18
7	Benjamin Bilbeau	468	C#	2024-03-20 18:34:14
8	Nicke Nyfiken	525	C#	2025-03-14 14:42:47
9	Martin Jentoft	654	C#	2024-04-08 16:00:32
10	Hidden user	666	C#	2024-08-17 13:37:08

#	User	Length	Language	Date
1	Frans Meulenbroeks	138	C++	2024-09-29 22:47:54
2	Syifa Khanza Naura	221	C++	2024-02-28 09:36:01
3	Chris Vilches	230	C++	2024-07-30 20:13:21
4	Nick Jasso	253	C++	2024-08-31 01:51:00
5	Adomas Juodis	254	C++	2024-03-30 13:38:10
6	suka isnaini	256	C++	2024-04-22 17:56:02
7	Dinh Tue Minh Anh	258	C++	2024-10-06 15:52:14
8	Evan Michael Bailey	259	C++	2024-02-25 17:12:31
9	Jason Liu	262	C++	2024-03-05 18:06:21
10	KRIS NATALIS	269	C++	2024-03-20 12:54:36

#	User	Length	Language	Date
1	Jacky Blois	620	COBOL	2024-06-07 16:33:43

#	User	Length	Language	Date
1	yraten	420	Common Lisp	2024-04-09 22:35:09

#	User	Length	Language	Date
1	Jimmy Nejtron	347	Go	2024-04-15 20:11:55
2	Abby Lorber	477	Go	2024-05-08 03:06:00
3	Norbert Voelker	514	Go	2024-02-25 15:33:31
4	Deci Bel	872	Go	2024-04-29 10:40:13

#	User	Length	Language	Date
1	Rudy Matela	64	Haskell	2024-03-17 15:55:34
2	Matthew Johnson	64	Haskell	2024-05-03 03:40:50
3	Jan Hrček	84	Haskell	2024-12-10 11:48:29
4	Øyvind Almli	103	Haskell	2024-02-25 14:33:19
5	Elizabeth Doughty	106	Haskell	2024-03-27 01:44:07
6	Brent Yorgey	146	Haskell	2024-02-24 22:51:06
7	David Zacek	151	Haskell	2024-03-10 00:18:30
8	Daniel Cabral	164	Haskell	2024-02-26 10:03:44
9	Greg Rosser	170	Haskell	2024-03-06 09:19:39
10	Justin Grubbs	193	Haskell	2024-03-17 09:57:23

#	User	Length	Language	Date
1	David Paul	314	Java	2024-06-28 19:55:26
2	John Hershey	335	Java	2024-02-27 03:06:14
3	Tristan Rush	341	Java	2024-02-24 20:32:34
4	Raymond Arrington	415	Java	2024-06-08 06:04:25
5	Kyle Smith	418	Java	2024-11-05 22:13:27
6	Adrian Cuevas	423	Java	2024-02-25 00:08:28
7	Shardul Dhongade	429	Java	2024-02-24 20:25:12
8	Mikkel C. B. Christensen	433	Java	2024-03-08 14:47:32
9	Hidden user	438	Java	2025-05-02 05:56:41
10	Adam Downs	447	Java	2024-02-24 20:23:34

#	User	Length	Language	Date
1	Faisal Rahman	358	JavaScript (Node.js)	2024-03-02 10:55:24
2	Hidden user	650	JavaScript (Node.js)	2024-10-18 05:11:38

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	76	JavaScript (SpiderMonkey)	2024-02-24 23:54:55
2	Jimmy Gustafsson	87	JavaScript (SpiderMonkey)	2024-06-10 14:56:45
3	Christian Cederquist	122	JavaScript (SpiderMonkey)	2024-02-26 21:56:39
4	Hidden user	132	JavaScript (SpiderMonkey)	2024-03-27 19:22:49
5	Zach Tschetter	140	JavaScript (SpiderMonkey)	2024-02-26 00:18:27
6	Yslam Ismailov	171	JavaScript (SpiderMonkey)	2024-09-08 05:36:19
7	Hidden user	182	JavaScript (SpiderMonkey)	2024-09-05 20:22:49

#	User	Length	Language	Date
1	Timothy Gaede	658	Julia	2024-03-16 07:43:58

#	User	Length	Language	Date
1	Troy Warmboe	202	Kotlin	2024-04-05 23:06:41
2	Hamdanil Rasyid	222	Kotlin	2025-03-31 03:59:43
3	Emil Wihlander	264	Kotlin	2024-07-16 16:12:46
4	Adam Rankin	289	Kotlin	2024-05-05 03:52:49
5	Paul McBurney	301	Kotlin	2024-02-24 20:37:06
6	Zaw Myat	352	Kotlin	2024-03-19 11:22:11
7	Martijn Muijsers	565	Kotlin	2024-05-27 19:04:19

#	User	Length	Language	Date
1	Jacky Blois	316	Lua	2024-06-07 16:22:29

#	User	Length	Language	Date
1	Artemis Ngoh	489	OCaml	2024-03-03 14:19:34

#	User	Length	Language	Date
1	Hidden user	605	Odin	2025-05-20 18:40:19

#	User	Length	Language	Date
1	David Connolly	325	Pascal	2024-03-15 15:21:51
2	Ingemar Ragnemalm	434	Pascal	2024-03-06 19:39:55

#	User	Length	Language	Date
1	Saito Ta	29	Perl	2024-03-27 10:11:46

#	User	Length	Language	Date
1	Renate	214	PHP	2024-04-07 10:41:56
2	crapcode	345	PHP	2024-03-08 11:27:04

#	User	Length	Language	Date
1	Johan Lyts	137	Python 2	2024-03-25 13:32:23

#	User	Length	Language	Date
1	Tobias Glimmerfors	43	Python 3	2025-08-03 17:54:31
2	Alexandre Charland	44	Python 3	2024-05-30 16:11:13
3	Kevin Gomez	46	Python 3	2024-03-22 01:51:52
4	Kylind Reagan	47	Python 3	2024-03-07 03:38:29
5	Hidden user	49	Python 3	2024-03-02 18:16:54
6	Nguyễn Đinh Hồng Phúc	49	Python 3	2024-04-10 10:47:12
7	Lasse Letager Hansen	50	Python 3	2024-02-27 14:56:53
8	Teikn Smith	50	Python 3	2024-02-27 16:17:22
9	David Worley	52	Python 3	2024-03-04 18:52:41
10	Tai Tze Kin	53	Python 3	2024-04-19 15:51:27

#	User	Length	Language	Date
1	Thomas Feld	21	Ruby	2024-02-27 12:43:53
2	Russell Ng	27	Ruby	2024-06-22 13:55:20
3	Frederik Petersen	37	Ruby	2024-03-26 20:34:02
4	Ruby de Koning	127	Ruby	2024-02-27 00:56:04

#	User	Length	Language	Date
1	David Rasch	107	Rust	2024-02-29 10:56:49
2	Vincent Lagerros	203	Rust	2025-01-20 16:02:45
3	Isak Jägberg	277	Rust	2024-10-18 21:41:14
4	Aza Maulana Hadi	360	Rust	2024-02-27 04:13:23
5	gard heine kalland	490	Rust	2024-03-30 10:38:51
6	Pankajkumar Patro	532	Rust	2024-05-07 10:58:10
7	Kalle Vigren	639	Rust	2024-05-07 11:01:32
8	Connor Ford	847	Rust	2024-06-26 15:19:00
9	Bas Dirks	913	Rust	2024-03-02 20:48:58
10	Winston Wu	920	Rust	2024-03-02 08:26:08

#	User	Length	Language	Date
1	AZm87	115	Swift	2024-04-08 18:52:29
2	Jevania	291	Swift	2024-04-28 16:20:03

#	User	Length	Language	Date
1	Maxwell Penders	5767	Zig	2024-03-05 18:27:24

Solution running time distribution