Problem I
Codforces — Problem Statistics

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Submissions	1190
Accepted submissions	1140
Submission ratio	95.80%
Authors	335
Full solves [?]	218
Full solve Ratio	65.07%

#	User	Score	Language	Date
1	Bergur Snorrason	100	C	2020-11-16 17:22:03
2	Leslie Yip	35	C	2022-09-23 14:06:29
3	Adam Schrand	0	C	2021-11-05 03:39:27
4	Matheus Sanches Tizianel	0	C	2023-04-29 04:43:05
5	Vincenzo Greco	0	C	2023-11-28 15:24:57
6	Serban Luca	0	C	2025-03-10 20:01:44

#	User	Score	Language	Date
1	Markus Swift	100	C#	2019-01-18 11:11:35
2	Loke Gustafsson	100	C#	2019-01-18 11:35:57
3	Jakub Jarząbek	100	C#	2020-11-21 21:16:57
4	Mattias Vinje	100	C#	2025-03-30 21:45:18
5	Johan Larsson	60	C#	2019-01-18 12:31:16
6	Linus Lundgren	35	C#	2020-01-14 13:13:30
7	Hidden user	35	C#	2023-02-17 21:59:40
8	Lauran van Ekeren	35	C#	2023-06-09 15:10:50
9	Simon Hultsborn	0	C#	2019-01-18 11:20:57
10	Greg Roderick	0	C#	2020-11-20 04:15:34

#	User	Score	Language	Date
1	Norbert Voelker	100	Go	2021-03-09 23:24:08
2	Faizan Khalid	100	Go	2022-10-30 05:29:29

#	User	Score	Language	Date
1	Lars Brünjes	100	Haskell	2023-04-08 22:45:55

#	User	Score	Language	Date
1	Rasmus Winzell	100	Java	2019-01-18 13:37:44
2	Brent Yorgey	100	Java	2020-11-23 18:35:07
3	Crystal Sharpe	100	Java	2020-11-25 06:16:23
4	Nils Olsson	100	Java	2021-02-02 14:24:39
5	Doug Goodman	100	Java	2021-03-22 20:54:54
6	William Beard	100	Java	2021-04-19 05:01:27
7	Bjørn Dons	100	Java	2022-04-11 21:21:25
8	Andreas Jansson	100	Java	2024-11-14 10:53:36
9	Joshua Chin	100	Java	2025-05-30 17:28:55
10	Andrew Polizzotto	35	Java	2020-11-29 06:41:31

#	User	Score	Language	Date
1	Carl Sundvall	35	JavaScript (Node.js)	2019-01-18 11:23:57
2	neil	35	JavaScript (Node.js)	2020-12-05 03:55:09

#	User	Score	Language	Date
1	Christian Pilegaard Cederquist	100	JavaScript (SpiderMonkey)	2023-02-03 00:59:55
2	neil	0	JavaScript (SpiderMonkey)	2020-12-05 03:57:20
3	Bjørn Chr. Soltvedt	0	JavaScript (SpiderMonkey)	2021-01-01 15:00:07

#	User	Score	Language	Date
1	Timothy Gaede	35	Julia	2024-07-28 08:45:40

#	User	Score	Language	Date
1	Jacob Huebner	100	Kotlin	2021-04-15 07:07:48
2	Ali Amid	100	Kotlin	2024-03-19 13:07:17

#	User	Score	Language	Date
1	Renate	25	PHP	2022-08-20 23:00:49

#	User	Score	Language	Date
1	Jonatan Nilsson	100	Python 2	2019-01-18 21:39:39
2	Björn Martinsson	100	Python 2	2019-01-26 12:41:10
3	Anton Älgmyr	100	Python 2	2019-01-28 00:34:29
4	Frederik Højholt	100	Python 2	2019-01-30 18:20:40
5	Демид Кучеренко	100	Python 2	2020-05-05 21:24:33
6	neil	100	Python 2	2020-12-05 06:44:06
7	Andreas Björklund	100	Python 2	2021-04-06 16:28:57

#	User	Score	Language	Date
1	Arnav Sastry	100	Rust	2021-09-08 00:52:33
2	Muhammad Rais Fathin Mudzakir	100	Rust	2021-11-21 18:23:43
3	Ritwin Narra	100	Rust	2021-11-26 05:50:18
4	Daniel Anker Hermansen	100	Rust	2023-09-07 16:06:21
5	Ole Vik Lysne	100	Rust	2024-10-23 14:46:05
6	Vincent Lagerros	100	Rust	2025-06-07 17:21:33
7	Mathias Magnusson	35	Rust	2019-01-18 10:45:21
8	Hidden user	35	Rust	2022-11-01 12:19:37
9	Adam Gausmann	0	Rust	2021-11-16 01:59:55
10	Bas Dirks	0	Rust	2022-01-16 21:18:12

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.02 s	C	2020-11-16 17:22:03

#	User	Runtime	Language	Date
1	Jakub Jarząbek	0.08 s	C#	2020-11-21 21:16:57
2	Loke Gustafsson	0.10 s	C#	2019-01-18 11:35:57
3	Markus Swift	0.22 s	C#	2019-01-18 11:11:35
4	Mattias Vinje	0.22 s	C#	2025-03-30 21:45:18

#	User	Runtime	Language	Date
1	Theodor Beskow	0.02 s	C++	2022-09-07 18:55:58
2	Dmitry Lyubshin	0.02 s	C++	2023-03-27 12:25:49
3	Gustav Kalander	0.03 s	C++	2019-01-18 10:49:30
4	Filip Björnåsen	0.03 s	C++	2019-01-18 11:01:49
5	Niklas Sandén	0.03 s	C++	2019-02-02 22:54:43
6	Hidden user	0.03 s	C++	2021-07-19 00:34:22
7	Caeden Whitaker	0.03 s	C++	2022-02-05 22:21:24
8	Caeden Whitaker	0.03 s	C++	2022-02-05 22:21:46
9	Joshua Andersson	0.03 s	C++	2022-08-22 13:15:34
10	Magnus Hokland Hegdahl	0.03 s	C++	2023-11-15 12:16:34

#	User	Runtime	Language	Date
1	Norbert Voelker	0.11 s	Go	2021-03-09 23:24:08
2	Faizan Khalid	0.24 s	Go	2022-10-30 05:29:29

#	User	Runtime	Language	Date
1	Lars Brünjes	0.92 s	Haskell	2023-04-08 22:45:55

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.13 s	Java	2020-11-25 06:16:23
2	Bjørn Dons	0.13 s	Java	2022-04-11 21:21:25
3	Brent Yorgey	0.28 s	Java	2020-11-23 18:35:07
4	Joshua Chin	0.32 s	Java	2025-05-30 17:28:55
5	Doug Goodman	0.40 s	Java	2021-03-22 20:54:54
6	Andreas Jansson	0.50 s	Java	2024-11-14 10:58:19
7	William Beard	0.61 s	Java	2021-04-19 05:01:27
8	Rasmus Winzell	0.86 s	Java	2019-01-18 13:37:44
9	Nils Olsson	0.90 s	Java	2021-02-02 14:24:39

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.21 s	JavaScript (SpiderMonkey)	2023-02-03 00:59:55

#	User	Runtime	Language	Date
1	Jacob Huebner	0.36 s	Kotlin	2021-04-15 10:37:39
2	Ali Amid	0.60 s	Kotlin	2024-03-19 13:07:17

#	User	Runtime	Language	Date
1	Björn Martinsson	0.15 s	Python 2	2019-01-26 12:41:10
2	Демид Кучеренко	0.16 s	Python 2	2020-05-05 21:24:33
3	neil	0.17 s	Python 2	2020-12-05 06:44:06
4	Jonatan Nilsson	0.18 s	Python 2	2019-01-18 21:39:39
5	Frederik Højholt	0.19 s	Python 2	2019-01-30 18:36:35
6	Anton Älgmyr	0.25 s	Python 2	2019-01-28 00:34:29
7	Andreas Björklund	0.53 s	Python 2	2021-04-06 16:28:57

#	User	Runtime	Language	Date
1	Barry Tng	0.09 s	Python 3	2022-07-10 09:25:58
2	Hidden user	0.11 s	Python 3	2021-09-18 04:30:58
3	Harry Zhang	0.11 s	Python 3	2023-10-28 01:26:42
4	Sonny Chan	0.13 s	Python 3	2021-01-18 07:45:53
5	Mackinley He	0.14 s	Python 3	2022-06-06 07:56:49
6	Nicholas Russell Saerang	0.16 s	Python 3	2025-03-20 04:33:49
7	Russell	0.16 s	Python 3	2025-09-22 05:08:06
8	Steven Halim	0.17 s	Python 3	2024-01-06 19:42:14
9	Julina Savela	0.17 s	Python 3	2025-01-25 20:41:06
10	Hidden user	0.18 s	Python 3	2023-12-08 22:31:14

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2025-06-07 18:43:42
2	Ole Vik Lysne	0.02 s	Rust	2024-10-23 14:46:05
3	Arnav Sastry	0.03 s	Rust	2021-09-08 00:52:33
4	Muhammad Rais Fathin Mudzakir	0.05 s	Rust	2021-11-21 18:23:43
5	Daniel Anker Hermansen	0.05 s	Rust	2023-09-07 16:06:21
6	Ritwin Narra	0.11 s	Rust	2021-11-26 05:50:18

#	User	Length	Language	Date
1	Bergur Snorrason	1976	C	2020-11-16 17:22:03

#	User	Length	Language	Date
1	Mattias Vinje	2288	C#	2025-03-30 21:45:18
2	Markus Swift	2593	C#	2019-01-18 11:11:35
3	Jakub Jarząbek	3159	C#	2020-11-21 21:16:57
4	Loke Gustafsson	4221	C#	2019-01-18 11:35:57

#	User	Length	Language	Date
1	Mathias Gernez	476	C++	2023-08-20 21:35:34
2	Teikn Smith	554	C++	2024-07-21 20:14:21
3	Markus Mathiasen	686	C++	2022-10-12 17:37:20
4	Seunghyun Joe	714	C++	2019-01-23 09:01:07
5	Zsolt Németh	716	C++	2025-04-11 10:24:46
6	Alexander Morozov	727	C++	2019-01-23 08:05:47
7	Roope Salmi	750	C++	2019-01-27 11:48:38
8	Florian Cliquet	758	C++	2024-10-18 16:43:40
9	raul feier	760	C++	2022-09-10 10:06:11
10	Henrik Aalto	764	C++	2019-04-28 00:28:04

#	User	Length	Language	Date
1	Faizan Khalid	837	Go	2022-10-30 05:29:29
2	Norbert Voelker	1618	Go	2021-03-09 23:24:08

#	User	Length	Language	Date
1	Lars Brünjes	1880	Haskell	2023-04-08 22:45:55

#	User	Length	Language	Date
1	Andreas Jansson	1279	Java	2024-11-14 10:58:19
2	Nils Olsson	1557	Java	2021-02-02 14:24:39
3	Crystal Sharpe	1632	Java	2020-11-25 06:16:23
4	Doug Goodman	2076	Java	2021-03-22 20:54:54
5	Rasmus Winzell	2424	Java	2019-01-18 13:37:44
6	William Beard	2563	Java	2021-04-19 05:01:27
7	Joshua Chin	3956	Java	2025-05-30 17:28:55
8	Brent Yorgey	4501	Java	2020-11-23 18:35:07
9	Bjørn Dons	6615	Java	2022-04-11 21:21:25

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	909	JavaScript (SpiderMonkey)	2023-02-03 00:59:55

#	User	Length	Language	Date
1	Ali Amid	1215	Kotlin	2024-03-19 13:07:17
2	Jacob Huebner	2195	Kotlin	2021-04-15 10:37:39

#	User	Length	Language	Date
1	Andreas Björklund	402	Python 2	2021-04-06 16:28:57
2	Anton Älgmyr	519	Python 2	2019-01-28 00:34:29
3	Frederik Højholt	542	Python 2	2019-01-30 18:38:44
4	Jonatan Nilsson	665	Python 2	2019-01-18 21:39:39
5	Björn Martinsson	752	Python 2	2019-01-26 12:41:10
6	Демид Кучеренко	839	Python 2	2020-05-05 21:24:33
7	neil	839	Python 2	2020-12-05 06:44:06

#	User	Length	Language	Date
1	Jakob Leander Müller	284	Python 3	2024-01-05 21:44:44
2	Casper Rysgaard	397	Python 3	2024-07-29 16:44:30
3	David Engström	426	Python 3	2019-01-18 13:12:48
4	Oskar Haarklou Veileborg	439	Python 3	2020-12-03 10:37:47
5	Ethan Lu	555	Python 3	2023-06-30 23:13:37
6	Peter Stauder	572	Python 3	2022-03-18 08:54:46
7	Nicholas Russell Saerang	572	Python 3	2025-03-20 15:15:42
8	Russell	572	Python 3	2025-09-22 05:08:06
9	Hidden user	647	Python 3	2021-09-18 04:30:58
10	Jonathan L	680	Python 3	2019-01-18 13:14:43

#	User	Length	Language	Date
1	Ritwin Narra	2742	Rust	2021-11-26 05:50:18
2	Arnav Sastry	2933	Rust	2021-09-08 00:52:33
3	Ole Vik Lysne	3687	Rust	2024-10-27 12:07:23
4	Muhammad Rais Fathin Mudzakir	6318	Rust	2021-11-21 18:26:45
5	Daniel Anker Hermansen	26984	Rust	2023-09-07 16:06:21
6	Vincent Lagerros	65233	Rust	2025-06-07 18:43:42

Solution running time distribution