Problem I
NOP — Problem Statistics

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Submissions	1664
Accepted submissions	890
Submission ratio	53.49%
Authors	800
Full solves [?]	741
Full solve Ratio	92.62%

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-09-11 19:30:42
2	Chenzhang Hu	0.01 s	Bash	2023-10-21 18:53:20

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	C#	2020-10-31 11:54:32
2	Thomas Norris	0.02 s	C#	2020-11-16 20:32:57
3	Göran Andersson	0.02 s	C#	2022-05-18 22:41:22
4	Leslie Yip	0.02 s	C#	2022-09-08 01:55:58
5	Ricardo H Guerrero Lara	0.02 s	C#	2022-09-08 15:42:56
6	Arturo Gallardo Sanders	0.02 s	C#	2022-09-09 22:51:40
7	Julio Axel Montero Barrientos	0.02 s	C#	2022-09-09 23:02:20
8	Manuel Harari López	0.02 s	C#	2022-09-09 23:02:22
9	Ivanna Ferro	0.02 s	C#	2022-09-09 23:02:39
10	Santiago Hahn Farjí	0.02 s	C#	2022-09-09 23:02:52

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.03 s	F#	2022-11-13 08:55:14
2	Janne Brøgger	0.06 s	F#	2020-10-31 14:42:44

#	User	Runtime	Language	Date
1	nicolas cacciato	0.02 s	Go	2021-06-08 01:13:34
2	Norbert Voelker	0.08 s	Go	2021-05-14 19:26:43
3	Resa Renaldy	0.08 s	Go	2021-07-24 06:36:06

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Haskell	2023-01-13 02:28:36
2	Jørn Lode	0.01 s	Haskell	2020-10-31 12:57:30
3	Steinar Simonnes	0.01 s	Haskell	2020-10-31 13:48:56
4	Sander Wiig	0.01 s	Haskell	2020-10-31 14:22:49
5	Brent Yorgey	0.01 s	Haskell	2020-11-01 03:14:16
6	Jan Hrček	0.01 s	Haskell	2020-11-21 08:59:17
7	Matthew Lutze	0.01 s	Haskell	2021-01-03 12:36:44
8	Hidden user	0.01 s	Haskell	2021-05-30 16:16:57

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Java	2025-02-18 20:11:26
2	Finn Hudson	0.06 s	Java	2020-10-31 12:25:11
3	Mathias Fink	0.06 s	Java	2020-10-31 15:33:18
4	Crystal Sharpe	0.06 s	Java	2020-11-02 05:48:24
5	Agnes Hardy Bertelsen	0.06 s	Java	2020-11-03 23:59:38
6	Steven Cheng	0.06 s	Java	2020-11-10 20:45:59
7	Liam Keliher	0.06 s	Java	2020-12-18 01:15:30
8	Lee Wei Hong	0.06 s	Java	2021-01-02 02:33:35
9	Sven Rönnbäck	0.06 s	Java	2021-01-24 13:56:43
10	Emil Bak-Møller	0.06 s	Java	2021-02-16 02:01:04

#	User	Runtime	Language	Date
1	Hassan rauf	0.05 s	JavaScript (Node.js)	2024-05-26 20:59:42
2	Usman	0.05 s	JavaScript (Node.js)	2024-05-26 22:38:46
3	Ricardo Velasco Guachalla	0.09 s	JavaScript (Node.js)	2023-02-25 01:23:10
4	Maximilian Paju	0.42 s	JavaScript (Node.js)	2020-10-31 14:05:50
5	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-11-14 07:47:51

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2020-11-07 02:45:08
2	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-10-15 19:36:05
3	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-02-08 12:48:21
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-07-25 12:28:28

#	User	Runtime	Language	Date
1	Danny Robinson	0.52 s	Julia	2023-09-11 19:19:16
2	Timothy Gaede	0.55 s	Julia	2024-06-17 07:43:51

#	User	Runtime	Language	Date
1	Roger Bongers	0.14 s	Kotlin	2021-06-27 04:18:34
2	Adam Rankin	0.16 s	Kotlin	2023-08-25 22:21:58
3	Kristofer Sokk	0.17 s	Kotlin	2020-10-31 12:33:33
4	Simon Lixenfeld	0.17 s	Kotlin	2021-06-11 17:56:15
5	Troy Warmboe	0.18 s	Kotlin	2021-10-12 20:30:51
6	Martijn Muijsers	0.18 s	Kotlin	2024-06-02 19:12:40
7	Anders B. Clausen	0.19 s	Kotlin	2020-10-31 13:47:55
8	Ola Sundell	0.27 s	Kotlin	2024-10-30 21:36:58

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2021-02-17 14:33:47

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2025-11-15 06:12:19

#	User	Runtime	Language	Date
1	Hasan Kalzi	0.02 s	Python 2	2022-06-18 20:56:44
2	Andreas Björklund	0.03 s	Python 2	2020-10-31 17:44:08
3	Yanmarshus Bachtiar	0.03 s	Python 2	2020-11-01 12:44:34
4	Thomas Feld	0.03 s	Python 2	2020-11-12 11:35:11
5	Johan Lyts	0.03 s	Python 2	2020-12-24 14:12:27
6	Hidden user	0.03 s	Python 2	2021-01-17 15:19:33

#	User	Runtime	Language	Date
1	Suus Brommer	0.04 s	Python 3	2022-06-10 14:36:47
2	Peter Stauder	0.04 s	Python 3	2022-06-16 10:14:06
3	Hasan Kalzi	0.04 s	Python 3	2022-06-18 20:57:00
4	Petr	0.04 s	Python 3	2022-07-23 21:54:51
5	Mukerem Ali Nur	0.04 s	Python 3	2022-08-19 09:12:52
6	Sean Malloy	0.04 s	Python 3	2022-09-29 19:45:52
7	Ryan Tan	0.04 s	Python 3	2022-10-06 17:01:37
8	Wang Xudong	0.04 s	Python 3	2022-10-06 17:08:46
9	Kenneth Jensen	0.04 s	Python 3	2022-11-09 16:51:40
10	Josh Askin	0.04 s	Python 3	2022-12-16 16:28:40

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Ruby	2020-11-15 17:36:23
2	Kok Dith	0.05 s	Ruby	2021-08-25 09:59:48
3	Miorel Palii	0.05 s	Ruby	2022-03-19 21:29:23
4	Thomas Feld	0.06 s	Ruby	2023-01-27 12:41:19
5	Chenzhang Hu	0.12 s	Ruby	2025-09-22 17:35:16

#	User	Length	Language	Date
1	Chenzhang Hu	58	Bash	2025-09-13 03:02:07
2	Danny Robinson	70	Bash	2023-09-11 19:30:42

#	User	Length	Language	Date
1	Hidden user	90	C	2023-03-18 02:44:25
2	Josenildo Silva	315	C	2021-06-12 21:17:05
3	Mikael K Eriksson	320	C	2021-01-26 13:16:02
4	Robert Lowe	346	C	2020-11-23 23:58:48
5	Mirel Cosulschi	410	C	2024-10-03 22:24:03
6	PhilCampbell	428	C	2021-02-16 17:20:06
7	Sambit Palit	513	C	2020-11-01 20:07:00
8	Naveen Kumar S	517	C	2025-04-03 17:59:43
9	DoodleTalk	586	C	2021-07-09 01:24:01
10	Sami Al Chalati	654	C	2024-08-06 23:39:22

#	User	Length	Language	Date
1	traxex	241	C#	2024-05-09 11:53:45
2	Göran Andersson	375	C#	2022-05-18 22:41:22
3	Leslie Yip	409	C#	2022-09-08 01:55:58
4	María Fernanda Maldonado Meléndez	444	C#	2023-10-06 16:48:52
5	Arturo Gallardo Sanders	467	C#	2022-09-09 23:15:03
6	Julián López Valencia	532	C#	2022-09-09 23:03:48
7	Ana Teresa Márquez Luján	543	C#	2023-09-25 06:18:15
8	Eduardo Maximiliano Coutiño Hernández	554	C#	2022-09-10 05:23:14
9	Julio Axel Montero Barrientos	574	C#	2022-09-09 23:02:20
10	Manuel Harari López	574	C#	2022-09-09 23:02:22

#	User	Length	Language	Date
1	Tyler Fernando	115	C++	2022-11-10 06:18:36
2	Frans Meulenbroeks	221	C++	2024-10-11 22:50:18
3	Đậu Huy Minh	228	C++	2023-11-04 08:13:52
4	Grae Yeandle	269	C++	2020-11-23 18:14:59
5	Armen Andreasyan	270	C++	2020-12-30 16:19:36
6	Hidden user	271	C++	2020-11-01 23:16:00
7	Mathias Gernez	273	C++	2023-08-28 02:45:53
8	Jack Knowsit	276	C++	2020-10-31 12:25:34
9	Zac Friggstad	280	C++	2020-11-05 18:14:23
10	Christian Yongwhan Lim	280	C++	2023-06-15 14:17:00

#	User	Length	Language	Date
1	Janne Brøgger	396	F#	2020-10-31 14:42:44
2	Jacob Harris Cryer Kragh	436	F#	2022-11-13 08:55:14

#	User	Length	Language	Date
1	Resa Renaldy	590	Go	2021-07-24 06:36:06
2	Norbert Voelker	609	Go	2021-05-14 19:26:43
3	nicolas cacciato	737	Go	2021-06-08 01:13:34

#	User	Length	Language	Date
1	Hidden user	267	Haskell	2023-01-13 02:28:36
2	Brent Yorgey	350	Haskell	2020-11-01 03:14:16
3	Jørn Lode	408	Haskell	2020-10-31 12:57:30
4	Steinar Simonnes	419	Haskell	2020-10-31 13:48:56
5	Sander Wiig	419	Haskell	2020-10-31 14:22:49
6	Jan Hrček	578	Haskell	2020-11-21 08:59:17
7	Matthew Lutze	604	Haskell	2021-01-03 12:36:44
8	Hidden user	12900	Haskell	2021-05-30 16:16:57

#	User	Length	Language	Date
1	Marshall D Feng	447	Java	2022-03-23 20:44:05
2	Matt Peter	516	Java	2021-07-11 14:42:43
3	Ruhan Goltay	527	Java	2021-10-30 12:45:32
4	Bowen Yang	546	Java	2023-09-25 01:26:11
5	Mohammad Naufal Hazim Bin Saharudin	557	Java	2025-05-05 18:22:24
6	Hidden user	560	Java	2021-04-16 21:20:03
7	Doug Goodman	562	Java	2021-08-11 23:23:46
8	Ben Blodgett	568	Java	2024-09-20 02:43:24
9	Laurits Brodal	583	Java	2020-10-31 12:49:50
10	Benjamin TheilmannGohr	590	Java	2023-02-25 00:53:15

#	User	Length	Language	Date
1	Maximilian Paju	493	JavaScript (Node.js)	2020-10-31 14:05:50
2	Ricardo Velasco Guachalla	809	JavaScript (Node.js)	2023-02-25 01:23:10
3	Hassan rauf	809	JavaScript (Node.js)	2024-05-26 20:59:42
4	Andoko Chandra	949	JavaScript (Node.js)	2020-11-14 07:47:51
5	Usman	1063	JavaScript (Node.js)	2024-05-26 22:38:46

#	User	Length	Language	Date
1	Jimmy Gustafsson	86	JavaScript (SpiderMonkey)	2024-07-25 12:34:50
2	Peter Menyes	133	JavaScript (SpiderMonkey)	2021-10-15 19:36:05
3	Bjørn Chr. Soltvedt	166	JavaScript (SpiderMonkey)	2020-11-07 02:45:08
4	Christian Pilegaard Cederquist	218	JavaScript (SpiderMonkey)	2023-02-08 12:48:21

#	User	Length	Language	Date
1	Danny Robinson	93	Julia	2023-09-11 19:19:16
2	Timothy Gaede	281	Julia	2024-06-17 07:43:51

#	User	Length	Language	Date
1	Anders B. Clausen	190	Kotlin	2020-10-31 13:47:55
2	Roger Bongers	256	Kotlin	2021-06-27 04:18:34
3	Kristofer Sokk	288	Kotlin	2020-10-31 12:33:33
4	Adam Rankin	337	Kotlin	2023-08-25 22:21:58
5	Simon Lixenfeld	464	Kotlin	2021-06-11 17:56:15
6	Troy Warmboe	581	Kotlin	2021-10-12 20:30:51
7	Martijn Muijsers	609	Kotlin	2024-06-02 19:12:40
8	Ola Sundell	652	Kotlin	2024-10-30 21:36:58

#	User	Length	Language	Date
1	Ingemar Ragnemalm	371	Pascal	2021-02-17 14:33:47

#	User	Length	Language	Date
1	Andriy Zyevakov	4910	Prolog	2025-11-15 06:12:19

#	User	Length	Language	Date
1	Thomas Feld	143	Python 2	2020-11-12 11:35:11
2	Johan Lyts	151	Python 2	2020-12-24 14:12:27
3	Yanmarshus Bachtiar	169	Python 2	2020-11-01 12:44:34
4	Andreas Björklund	192	Python 2	2020-10-31 17:44:08
5	Hidden user	258	Python 2	2021-01-17 15:19:33
6	Hasan Kalzi	357	Python 2	2021-04-18 00:51:13

#	User	Length	Language	Date
1	John Cesarz	61	Python 3	2023-03-17 22:57:51
2	Kevin Gomez	62	Python 3	2023-03-17 23:15:32
3	Hidden user	63	Python 3	2023-03-18 00:49:04
4	Guillermo Hernández	84	Python 3	2022-09-25 09:34:37
5	Ryan Pitasky	85	Python 3	2023-03-17 21:54:31
6	Thibault Raffaillac	96	Python 3	2024-07-28 14:17:21
7	Oskar Haarklou Veileborg	98	Python 3	2020-10-31 18:07:02
8	Luis Galan	101	Python 3	2021-12-17 13:23:21
9	Wernher To	101	Python 3	2023-09-15 22:18:07
10	Tai Tze Kin	101	Python 3	2024-05-06 21:03:13

#	User	Length	Language	Date
1	Thomas Feld	44	Ruby	2023-01-27 12:46:49
2	Hidden user	84	Ruby	2020-11-15 17:36:23
3	Miorel Palii	131	Ruby	2022-03-19 21:29:23
4	Chenzhang Hu	151	Ruby	2025-09-22 17:35:16
5	Kok Dith	263	Ruby	2021-08-25 09:59:48

#	User	Length	Language	Date
1	David Aldenbro	197	Rust	2023-10-26 15:20:28
2	Vincent Lagerros	358	Rust	2025-02-02 16:37:42
3	David Rasch	387	Rust	2022-11-30 14:02:15
4	Polly Clémentine Nielsen Boutet-Livoff	409	Rust	2020-10-31 13:39:05
5	Eskil Queseth	460	Rust	2020-10-31 15:02:23
6	Isak Jägberg	473	Rust	2024-11-19 13:12:21
7	Pankajkumar Patro	503	Rust	2024-12-11 19:19:59
8	Freek van Keulen	642	Rust	2023-10-16 14:03:47
9	Bas Dirks	722	Rust	2022-02-19 18:40:52
10	gard heine kalland	2475	Rust	2024-06-16 19:00:55

Solution running time distribution