Problem I
Exactly Electrical — Problem Statistics

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Submissions	4989
Accepted submissions	2108
Submission ratio	42.25%
Authors	1989
Full solves [?]	1873
Full solve Ratio	94.17%

#	User	Runtime	Language	Date
1	Thomas Norris	0.02 s	C#	2019-11-07 19:11:27
2	Anders Parsberg Wagner	0.02 s	C#	2020-10-06 14:04:12
3	Nikolai Valkamo	0.02 s	C#	2021-12-22 17:25:00
4	Henrik Hallbert	0.02 s	C#	2022-04-07 15:07:27
5	Mikael Fiala-Lundström	0.03 s	C#	2021-05-20 22:20:19
6	Göran Andersson	0.03 s	C#	2022-05-19 20:00:29
7	traxex	0.04 s	C#	2024-05-27 18:14:51
8	Roberto Rodriguez Giorgetti	0.04 s	C#	2024-10-02 19:00:02

#	User	Runtime	Language	Date
1	David Cawthon	0.01 s	Common Lisp	2020-11-11 03:50:11
2	Hidden user	0.02 s	Common Lisp	2019-06-08 06:24:16

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.03 s	F#	2022-10-01 12:29:47

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.07 s	Go	2019-04-14 16:05:08
2	Hidden user	0.07 s	Go	2019-11-24 13:49:10
3	Ian Howell	0.08 s	Go	2019-09-30 22:35:03
4	Norbert Voelker	0.08 s	Go	2021-05-13 19:34:16
5	Jack Kryger Sørensen	0.08 s	Go	2021-11-04 08:50:52

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2017-11-10 19:42:37
2	Eivind Dagsland Halderaker	0.00 s	Haskell	2017-12-22 00:13:53
3	Hidden user	0.00 s	Haskell	2023-01-13 02:37:49
4	Steinar Simonnes	0.00 s	Haskell	2024-05-23 13:25:01
5	Sebastian Banert	0.00 s	Haskell	2025-02-05 18:44:58
6	Aurélien Pepin	0.01 s	Haskell	2019-08-10 14:55:44
7	Hidden user	0.01 s	Haskell	2019-08-31 11:46:41
8	Emil Østergaard	0.01 s	Haskell	2020-10-11 16:35:17
9	Jan Hrček	0.01 s	Haskell	2021-03-20 08:19:58
10	Ola Berglund	0.01 s	Haskell	2023-10-25 23:12:45

#	User	Runtime	Language	Date
1	Nicholas Low Jia Le	0.04 s	Java	2024-09-06 13:46:41
2	Hidden user	0.04 s	Java	2024-09-06 17:57:31
3	Yap Xavier	0.04 s	Java	2024-09-07 04:26:43
4	BRIAN LIM YEN SING	0.04 s	Java	2024-09-07 07:12:09
5	Poh Ting Yi	0.04 s	Java	2024-09-07 10:05:47
6	Lycia Yeo Ying Xuan	0.04 s	Java	2024-09-07 11:04:20
7	Hidden user	0.04 s	Java	2024-09-07 13:34:26
8	Shen Jingtao	0.04 s	Java	2024-09-07 16:35:33
9	Ng Jie Rong Timothy Luke	0.04 s	Java	2024-09-08 08:47:16
10	Muhammad Khaizuran Bin Mohamad Rosle	0.04 s	Java	2024-09-08 10:23:45

#	User	Runtime	Language	Date
1	Johnny Bravo	0.40 s	JavaScript (Node.js)	2019-08-29 23:43:37
2	Peter Kedemo	0.41 s	JavaScript (Node.js)	2020-01-04 10:02:54
3	Kimlong Seng	0.42 s	JavaScript (Node.js)	2020-02-26 06:20:22
4	Chris Wong	0.42 s	JavaScript (Node.js)	2022-01-19 16:25:57
5	Niamh Limerick	0.42 s	JavaScript (Node.js)	2022-03-02 21:59:40

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2017-10-19 03:49:27
2	Nicholas Russell Saerang	0.02 s	JavaScript (SpiderMonkey)	2021-01-29 20:15:55
3	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-11-05 13:28:00
4	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-24 22:49:41
5	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-05 10:24:26

#	User	Runtime	Language	Date
1	Timothy Gaede	0.57 s	Julia	2024-05-14 10:39:10
2	Danny Robinson	0.61 s	Julia	2023-10-13 00:28:57

#	User	Runtime	Language	Date
1	Taylor South	0.17 s	Kotlin	2023-02-28 23:18:21
2	Phường Lên	0.18 s	Kotlin	2020-01-09 23:37:59
3	Adam Rankin	0.18 s	Kotlin	2023-05-11 00:48:00
4	Neil Harmon	0.19 s	Kotlin	2019-05-17 08:44:18
5	Troy Warmboe	0.21 s	Kotlin	2020-02-20 21:53:48

#	User	Runtime	Language	Date
1	Zeheng Li	0.00 s	Lua	2023-12-10 09:49:34

#	User	Runtime	Language	Date
1	Brandon Tang	0.00 s	OCaml	2023-09-22 08:41:07

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2019-07-07 01:31:28

#	User	Runtime	Language	Date
1	Renate	0.01 s	PHP	2023-07-29 10:34:51

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2018-11-28 13:22:22

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.02 s	Python 2	2017-10-17 23:13:11
2	Andreas Eisele	0.03 s	Python 2	2018-09-07 13:31:26
3	Fatima Afzali	0.03 s	Python 2	2018-09-08 18:51:05
4	Felix Balthasar Berief	0.03 s	Python 2	2018-10-04 18:53:18
5	Jesper Öqvist	0.03 s	Python 2	2018-10-26 01:11:26
6	Lars Åström	0.03 s	Python 2	2018-11-22 22:45:30
7	Andreas Björklund	0.03 s	Python 2	2019-01-04 16:08:08
8	Ciprian Oprisa	0.03 s	Python 2	2019-05-10 15:58:25
9	Johan Lyts	0.03 s	Python 2	2019-07-21 14:21:23
10	Guan Yang Ze	0.03 s	Python 2	2019-09-08 16:21:17

#	User	Runtime	Language	Date
1	Aron Granberg	0.02 s	Python 3	2017-10-17 17:27:52
2	David Avellan-Hultman	0.02 s	Python 3	2017-10-17 17:43:23
3	Thomas Vu	0.02 s	Python 3	2017-10-21 01:30:09
4	Teresa Van	0.02 s	Python 3	2017-10-23 05:32:02
5	Kyle Hall	0.02 s	Python 3	2017-11-07 23:36:03
6	Arnav Sastry	0.02 s	Python 3	2017-11-09 19:49:34
7	Hakan Celik	0.02 s	Python 3	2017-12-01 15:42:38
8	Ciara Godwin	0.02 s	Python 3	2017-12-02 13:41:39
9	David Ludwig	0.02 s	Python 3	2017-12-14 11:28:47
10	James Hamm	0.02 s	Python 3	2017-12-17 17:42:50

#	User	Runtime	Language	Date
1	Kok Dith	0.05 s	Ruby	2021-08-26 10:32:57
2	Hidden user	0.05 s	Ruby	2022-01-18 20:00:18
3	Thomas Feld	0.06 s	Ruby	2023-02-13 11:55:54
4	Þorsteinn Sævar Kristjánsson	0.06 s	Ruby	2025-10-02 01:15:15
5	Russell Ng	0.07 s	Ruby	2025-05-29 06:47:19

#	User	Length	Language	Date
1	Erik Svensson	232	C	2024-05-14 16:27:25
2	Allan Nouri	258	C	2024-05-07 16:01:10
3	Leslie Yip	264	C	2022-09-06 11:53:17
4	Hidden user	266	C	2017-11-12 07:28:22
5	Hidden user	270	C	2024-03-08 00:13:33
6	vance	302	C	2020-03-10 04:03:38
7	Kalle Dackland	327	C	2018-03-20 07:03:52
8	Sambit Palit	347	C	2020-09-15 22:03:51
9	Mirel Cosulschi	347	C	2025-04-19 13:55:14
10	PhilCampbell	348	C	2021-02-22 19:20:46

#	User	Length	Language	Date
1	traxex	339	C#	2024-05-27 18:14:51
2	Henrik Hallbert	543	C#	2022-04-07 15:07:27
3	Thomas Norris	564	C#	2019-11-07 19:11:27
4	Göran Andersson	711	C#	2022-05-19 20:00:29
5	Nikolai Valkamo	760	C#	2021-12-22 17:25:00
6	Anders Parsberg Wagner	774	C#	2020-10-06 14:04:12
7	Roberto Rodriguez Giorgetti	1014	C#	2024-10-02 19:00:02
8	Mikael Fiala-Lundström	1083	C#	2021-05-20 22:20:19

#	User	Length	Language	Date
1	Jason Oliphant	116	C++	2024-08-16 01:14:58
2	Tyler Fernando	120	C++	2022-11-10 03:04:07
3	Ralf Merhof	126	C++	2024-09-14 12:21:33
4	Hidden user	172	C++	2020-01-31 22:45:59
5	Way Tan	179	C++	2018-12-16 17:24:23
6	Subramanian Ramasamy	201	C++	2022-10-11 10:52:20
7	Angelo Matthew Pimienta	207	C++	2023-06-11 02:17:18
8	Wei Liang Tan	210	C++	2019-05-24 04:35:14
9	Johan Wind	214	C++	2018-04-13 15:25:03
10	Philippe Xue	219	C++	2025-09-26 06:53:24

#	User	Length	Language	Date
1	Hidden user	296	Common Lisp	2019-06-08 06:24:16
2	David Cawthon	409	Common Lisp	2020-11-11 03:50:11

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	466	F#	2022-10-01 12:29:47

#	User	Length	Language	Date
1	Andriy Zyevakov	564	Go	2019-04-14 16:05:08
2	Ian Howell	565	Go	2019-09-30 22:35:03
3	Jack Kryger Sørensen	586	Go	2021-11-04 08:50:52
4	Hidden user	766	Go	2019-11-24 13:49:10
5	Norbert Voelker	901	Go	2021-05-13 19:34:16

#	User	Length	Language	Date
1	Sebastian Banert	189	Haskell	2025-02-05 18:44:58
2	Steinar Simonnes	285	Haskell	2024-05-23 13:25:01
3	Brent Yorgey	316	Haskell	2017-11-10 19:42:37
4	Ola Berglund	319	Haskell	2023-10-25 23:12:45
5	Hidden user	367	Haskell	2023-01-13 02:37:49
6	Jan Hrček	380	Haskell	2021-03-20 08:19:58
7	Hidden user	386	Haskell	2019-08-31 11:46:41
8	Aurélien Pepin	402	Haskell	2019-08-10 14:55:44
9	Eivind Dagsland Halderaker	524	Haskell	2017-12-22 00:13:53
10	Emil Østergaard	539	Haskell	2020-10-11 16:35:17

#	User	Length	Language	Date
1	Natalie Longtin	335	Java	2018-01-22 20:13:00
2	Doug Goodman	348	Java	2017-11-12 20:24:58
3	Daniel West	375	Java	2018-01-22 20:14:34
4	Zhang Manman	376	Java	2020-02-09 17:25:37
5	Zhao Keyi	380	Java	2021-02-18 03:50:32
6	Lim Swee En	382	Java	2023-01-25 17:57:51
7	LovetheFrogs	382	Java	2023-07-26 13:56:22
8	daffa fathani adila	384	Java	2021-02-08 10:15:33
9	Cheyenne	385	Java	2023-02-17 08:18:38
10	Setiawan Chandra Utama	391	Java	2018-03-03 08:44:23

#	User	Length	Language	Date
1	Peter Kedemo	632	JavaScript (Node.js)	2020-01-04 10:02:54
2	Chris Wong	766	JavaScript (Node.js)	2022-01-19 16:25:57
3	Johnny Bravo	842	JavaScript (Node.js)	2019-08-29 23:45:35
4	Niamh Limerick	1004	JavaScript (Node.js)	2022-03-02 21:59:40
5	Kimlong Seng	1055	JavaScript (Node.js)	2020-02-26 06:20:22

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	112	JavaScript (SpiderMonkey)	2023-01-24 22:55:14
2	Jimmy Gustafsson	114	JavaScript (SpiderMonkey)	2024-08-05 10:24:26
3	Bjørn Chr. Soltvedt	226	JavaScript (SpiderMonkey)	2017-10-19 03:49:27
4	Peter Menyes	250	JavaScript (SpiderMonkey)	2021-11-05 13:28:00
5	Nicholas Russell Saerang	346	JavaScript (SpiderMonkey)	2021-01-29 20:15:55

#	User	Length	Language	Date
1	Danny Robinson	102	Julia	2023-10-13 00:28:57
2	Timothy Gaede	402	Julia	2024-05-14 10:39:10

#	User	Length	Language	Date
1	Adam Rankin	345	Kotlin	2023-05-11 00:48:00
2	Phường Lên	398	Kotlin	2020-01-09 23:37:59
3	Troy Warmboe	443	Kotlin	2020-02-20 21:53:48
4	Taylor South	785	Kotlin	2023-02-28 23:18:21
5	Neil Harmon	1045	Kotlin	2019-05-17 08:44:18

#	User	Length	Language	Date
1	Zeheng Li	155	Lua	2023-12-10 09:49:34

#	User	Length	Language	Date
1	Brandon Tang	349	OCaml	2023-09-22 08:41:07

#	User	Length	Language	Date
1	Ingemar Ragnemalm	316	Pascal	2019-07-07 01:31:28

#	User	Length	Language	Date
1	Renate	230	PHP	2023-07-29 10:34:51

#	User	Length	Language	Date
1	Andriy Zyevakov	435	Prolog	2018-11-28 13:22:22

#	User	Length	Language	Date
1	Andreas Eisele	120	Python 2	2018-09-07 13:31:26
2	Thomas Feld	146	Python 2	2019-09-10 13:29:41
3	Jesper Öqvist	151	Python 2	2018-10-26 01:11:26
4	Andreas Björklund	167	Python 2	2019-01-04 16:08:08
5	Lars Åström	169	Python 2	2018-11-22 22:45:30
6	Guan Yang Ze	176	Python 2	2019-09-08 16:21:17
7	Johan Lyts	177	Python 2	2019-07-21 14:21:23
8	Christofer Ohlsson	227	Python 2	2017-10-17 23:13:11
9	Felix Balthasar Berief	252	Python 2	2018-10-04 18:53:18
10	Fatima Afzali	332	Python 2	2018-09-08 18:51:05

#	User	Length	Language	Date
1	Julien	84	Python 3	2024-11-04 22:46:01
2	Guillaume Tardif	85	Python 3	2024-11-04 22:41:06
3	Jason Oliphant	86	Python 3	2024-08-16 01:44:26
4	Jaydan Aladro	86	Python 3	2024-11-04 19:09:41
5	Thibault Raffaillac	87	Python 3	2024-07-30 15:54:04
6	Alexandre Charland	88	Python 3	2024-11-04 21:37:15
7	Nguyên Khôi Đỗ	101	Python 3	2025-01-06 21:35:10
8	Collin Simpson	106	Python 3	2025-08-22 09:09:52
9	ACMCSU	106	Python 3	2025-08-22 09:10:16
10	Clement Oh	110	Python 3	2023-10-20 04:07:40

#	User	Length	Language	Date
1	Thomas Feld	79	Ruby	2023-02-13 11:55:54
2	Russell Ng	79	Ruby	2025-05-29 06:47:19
3	Kok Dith	225	Ruby	2021-08-26 10:32:57
4	Hidden user	297	Ruby	2022-01-18 20:00:18
5	Þorsteinn Sævar Kristjánsson	370	Ruby	2025-10-02 01:15:15

#	User	Length	Language	Date
1	Vincent Lagerros	355	Rust	2025-02-03 13:11:03
2	Tobias Glimmerfors	482	Rust	2024-11-09 19:13:02
3	Emil Dichmann	482	Rust	2025-09-30 11:51:07
4	Pankajkumar Patro	523	Rust	2024-10-10 17:58:07
5	David Rasch	582	Rust	2022-10-05 15:39:22
6	Albert Rise Nielsen	732	Rust	2020-11-14 19:41:49
7	Bas Dirks	747	Rust	2022-01-07 06:02:23
8	Isak Jägberg	981	Rust	2024-10-28 13:57:08
9	Magix	1656	Rust	2022-06-19 03:43:59
10	Joe Blower	1751	Rust	2025-12-11 04:05:11

Solution running time distribution