Problem A
Veci — Problem Statistics

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Submissions	6426
Accepted submissions	3527
Submission ratio	54.89%
Authors	3271
Accepted authors	3037
Author ratio	92.85%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.01 s	Bash	2023-11-14 17:09:19

#	User	Runtime	Language	Date
1	Simon Ståhlberg	0.02 s	C#	2014-05-12 14:03:03
2	Andreas Löfwenmark	0.02 s	C#	2014-05-12 16:55:07
3	Mads Storm Hansen	0.02 s	C#	2015-07-20 21:42:54
4	Shiwei Wang	0.02 s	C#	2015-10-21 18:20:08
5	Andriy Zyevakov	0.02 s	C#	2015-11-22 15:24:47
6	Robert Low	0.02 s	C#	2016-07-21 12:22:09
7	Duelene Olson	0.02 s	C#	2016-10-14 22:06:23
8	Ugnius Skučas	0.02 s	C#	2016-10-17 19:07:50
9	Khin Nyunt	0.02 s	C#	2016-12-20 15:57:31
10	Þorsteinn Þorvaldsson	0.02 s	C#	2017-06-04 03:25:33

#	User	Runtime	Language	Date
1	Dmytro Bihniak	0.01 s	Common Lisp	2019-08-12 19:33:47
2	David Cawthon	0.01 s	Common Lisp	2020-06-27 04:47:30
3	Ari Páll Agnarsson	0.92 s	Common Lisp	2021-01-28 04:20:24

#	User	Runtime	Language	Date
1	Morten Clausen	0.05 s	F#	2020-08-02 20:54:09
2	Jacob Harris Cryer Kragh	0.10 s	F#	2022-08-28 19:57:16

#	User	Runtime	Language	Date
1	Zakaria Sabbagh	0.02 s	Go	2020-04-01 17:58:18
2	Nathan Wilkinson	0.08 s	Go	2017-08-12 22:29:29
3	Erik Rairden	0.08 s	Go	2021-01-23 19:03:47
4	Norbert Voelker	0.08 s	Go	2021-04-18 23:02:57
5	Theo Coyne Morgan	0.14 s	Go	2019-03-26 14:37:48

#	User	Runtime	Language	Date
1	Shaira	0.04 s	Java	2024-10-14 11:49:55
2	Julius Griebel	0.04 s	Java	2024-11-01 20:19:23
3	Thanh Nhan Nguyen	0.04 s	Java	2024-11-06 11:53:47
4	Đức	0.04 s	Java	2024-11-08 23:27:42
5	Do Hoang Trieu	0.04 s	Java	2024-11-11 09:46:06
6	Todd W. Neller	0.04 s	Java	2025-01-21 22:44:25
7	Guangyi Zhou	0.04 s	Java	2025-01-29 19:55:00
8	Jun Park	0.04 s	Java	2025-03-16 18:54:49
9	Jonas Haglund	0.05 s	Java	2014-05-12 14:06:42
10	Hidden user	0.05 s	Java	2016-02-26 20:40:43

#	User	Runtime	Language	Date
1	Hassan rauf	0.04 s	JavaScript (Node.js)	2024-05-05 23:02:02
2	Hidden user	0.05 s	JavaScript (Node.js)	2023-09-24 06:02:15
3	Usman	0.05 s	JavaScript (Node.js)	2024-05-07 22:58:14
4	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-08 21:55:42
5	Chris Wong	0.42 s	JavaScript (Node.js)	2021-02-15 17:29:01
6	Howard Tin Chi Chan	0.42 s	JavaScript (Node.js)	2021-02-15 23:23:53
7	John	0.42 s	JavaScript (Node.js)	2021-03-10 08:11:30
8	Hovhannes Kantuni	0.42 s	JavaScript (Node.js)	2021-03-26 23:08:38
9	pc	0.42 s	JavaScript (Node.js)	2021-11-19 09:34:36
10	Khin Nyunt	0.42 s	JavaScript (Node.js)	2021-12-11 09:31:09

#	User	Runtime	Language	Date
1	Oskar	0.01 s	JavaScript (SpiderMonkey)	2015-09-14 23:55:59
2	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-01-10 18:31:49
3	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-02-14 16:00:14
4	Christopher Woodle	0.01 s	JavaScript (SpiderMonkey)	2017-10-07 03:28:33
5	Nicklas Utgaard	0.01 s	JavaScript (SpiderMonkey)	2018-07-08 10:09:53
6	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-02-06 15:47:50
7	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-11 14:26:38
8	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-06 14:54:33
9	Spencer Smith	0.06 s	JavaScript (SpiderMonkey)	2017-06-09 05:06:43
10	Zach Tschetter	0.68 s	JavaScript (SpiderMonkey)	2025-02-20 16:55:18

#	User	Runtime	Language	Date
1	Noszály Csaba	0.41 s	Julia	2025-03-02 17:51:12
2	Danny Robinson	0.57 s	Julia	2024-12-28 19:57:34
3	Timothy Gaede	0.66 s	Julia	2024-04-07 08:23:56

#	User	Runtime	Language	Date
1	Jacob Huebner	0.13 s	Kotlin	2022-03-03 08:56:44
2	Johnny Baloney	0.16 s	Kotlin	2022-02-16 20:57:57
3	Gaurav Tyagi	0.17 s	Kotlin	2018-11-22 00:50:00
4	Adam Rankin	0.18 s	Kotlin	2023-05-06 06:21:09
5	Aniket Kumar	0.19 s	Kotlin	2024-05-01 18:00:55
6	Neil Harmon	0.20 s	Kotlin	2019-05-06 09:31:43
7	Troy Warmboe	0.20 s	Kotlin	2023-04-12 02:44:29
8	Alexandre Conte	0.21 s	Kotlin	2021-09-13 13:21:19
9	Cheatahh	0.21 s	Kotlin	2025-04-21 17:14:53
10	Einar Kjellback	0.22 s	Kotlin	2020-08-12 11:05:20

#	User	Runtime	Language	Date
1	Kelly Ngu	0.21 s	Lua	2024-09-27 13:46:29

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2019-04-09 13:24:42
2	David Connolly	0.37 s	Pascal	2017-08-28 17:31:38

#	User	Runtime	Language	Date
1	Petr Trofimov	0.01 s	PHP	2021-04-25 11:04:56

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-05 18:01:03
2	Hadi Qovaizi	0.40 s	Prolog	2016-05-09 05:09:54

#	User	Runtime	Language	Date
1	Erik Odenman	0.02 s	Python 2	2015-05-21 04:10:05
2	Jonas Kylling	0.02 s	Python 2	2015-09-17 18:26:28
3	Scott Handelman	0.02 s	Python 2	2016-04-22 04:00:05
4	Elsie Mestl	0.02 s	Python 2	2016-04-24 16:19:50
5	Elsie Mestl	0.02 s	Python 2	2016-04-24 16:20:47
6	Hasan Ramezani	0.02 s	Python 2	2016-10-06 12:24:41
7	Tomas Alvarez	0.02 s	Python 2	2017-02-02 02:57:07
8	Miguel Alfageme Sanchez	0.02 s	Python 2	2017-02-08 20:40:50
9	Matt Bonsall	0.02 s	Python 2	2017-03-05 23:09:17
10	Andrew Yang	0.02 s	Python 2	2017-04-13 07:12:20

#	User	Runtime	Language	Date
1	Filip Haglund	0.02 s	Python 3	2014-05-12 13:51:36
2	Henrik Adolfsson	0.02 s	Python 3	2014-05-12 16:57:32
3	James Elías Sigurðarson	0.02 s	Python 3	2015-06-05 13:57:00
4	Petra Vidic	0.02 s	Python 3	2015-07-25 12:06:19
5	Hidden user	0.02 s	Python 3	2015-10-21 16:29:48
6	Paweł Baranowski	0.02 s	Python 3	2015-12-15 00:20:28
7	Wayne	0.02 s	Python 3	2016-02-01 20:18:41
8	Thais Minet	0.02 s	Python 3	2016-03-27 21:01:34
9	Martin Stensgård	0.02 s	Python 3	2016-04-19 06:09:38
10	Lucia Pál (Simanová)	0.02 s	Python 3	2016-06-13 00:24:53

#	User	Runtime	Language	Date
1	Jinwoo Lee	0.13 s	Racket	2025-01-27 00:29:43

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-03-26 23:28:53
2	Lasse Berglund	0.03 s	Ruby	2016-04-01 10:52:38
3	Erik Rydbert	0.03 s	Ruby	2016-08-02 07:25:22
4	Savvas Alexandrou	0.04 s	Ruby	2018-12-16 08:41:18
5	Natanael Lundberg	0.05 s	Ruby	2021-09-17 14:22:12
6	Troy Sornson	0.05 s	Ruby	2022-01-20 01:38:46
7	Thomas Feld	0.06 s	Ruby	2023-01-30 10:50:41
8	Clement Oh	0.07 s	Ruby	2024-02-23 16:55:02
9	Frederik Petersen	0.07 s	Ruby	2024-04-02 13:17:12
10	Macdara mac an tSionnaigh	0.10 s	Ruby	2019-10-07 21:24:29

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-02-03 10:38:41

#	User	Length	Language	Date
1	a_b__c	286	C	2021-02-06 20:12:17
2	Bergur Snorrason	413	C	2022-02-01 13:13:17
3	Thibault Raffaillac	457	C	2017-09-18 18:40:23
4	Houda Sassi	553	C	2017-04-06 01:44:48
5	Hidden user	594	C	2017-11-22 02:47:15
6	Hidden user	596	C	2022-12-26 13:10:30
7	Mariano Varas Ramos	596	C	2024-10-12 06:28:35
8	Eduardo Rodriguez	596	C	2024-10-12 21:40:23
9	Benjamin Soto	596	C	2024-10-14 06:33:22
10	julie rose sakkour	596	C	2025-02-15 10:06:58

#	User	Length	Language	Date
1	Anthony Ye	570	C#	2023-11-26 19:09:39
2	Esty Crow	694	C#	2023-11-26 05:21:12
3	Thomas Norris	740	C#	2019-10-03 18:10:59
4	Kunwei Zhang	889	C#	2018-06-12 11:10:06
5	Göran Andersson	930	C#	2022-05-14 14:46:26
6	Mehdi Khamse	964	C#	2023-07-19 15:16:32
7	Ali Aliev	1022	C#	2022-02-08 12:24:57
8	Dennis Stegnell	1039	C#	2025-03-05 11:32:36
9	Ugnius Skučas	1194	C#	2016-10-17 19:07:50
10	Per-Arne Lennartssony	1238	C#	2018-12-11 16:21:00

#	User	Length	Language	Date
1	Mathias Gernez	123	C++	2023-09-01 01:35:06
2	Joel Niemelä	123	C++	2024-11-01 16:35:11
3	Brandon Zhang	127	C++	2020-05-12 21:10:43
4	Leo Lee	135	C++	2025-01-27 13:53:47
5	Admasu Abera	138	C++	2019-11-18 17:24:06
6	Jimmy Dinh	144	C++	2024-08-30 19:49:46
7	hetov18691dat	149	C++	2025-01-25 01:18:20
8	Elijah Yong	153	C++	2023-03-08 08:48:30
9	Henry Xia	160	C++	2022-06-06 07:07:59
10	Ritchie Goldwin	161	C++	2019-05-23 20:41:35

#	User	Length	Language	Date
1	Dmytro Bihniak	719	Common Lisp	2019-08-12 19:33:47
2	David Cawthon	811	Common Lisp	2020-06-27 04:47:30
3	Ari Páll Agnarsson	2187	Common Lisp	2021-01-28 04:20:24

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	569	F#	2022-08-28 19:57:16
2	Morten Clausen	714	F#	2020-08-02 20:54:09

#	User	Length	Language	Date
1	Theo Coyne Morgan	527	Go	2019-03-26 14:37:48
2	Erik Rairden	1080	Go	2021-01-23 19:03:47
3	Zakaria Sabbagh	1233	Go	2020-04-01 17:58:18
4	Norbert Voelker	1305	Go	2021-04-18 23:02:57
5	Nathan Wilkinson	2001	Go	2017-08-12 22:29:29

#	User	Length	Language	Date
1	Niklas Rosén	155	Haskell	2014-05-12 13:33:42
2	Lim Zi Wei	189	Haskell	2019-10-11 08:46:35
3	Anthony Clark	196	Haskell	2017-03-29 21:50:35
4	Sebastian Paaske Tørholm	208	Haskell	2017-01-30 11:15:31
5	Antony Lee	215	Haskell	2017-08-07 11:54:15
6	Aurélien Pepin	217	Haskell	2019-08-16 19:16:34
7	Lars Tveito	234	Haskell	2015-08-13 23:58:54
8	Daniel Krueger	247	Haskell	2018-06-18 14:48:08
9	Håkon Flatval	280	Haskell	2018-08-21 14:11:51
10	Monique Oliveira	286	Haskell	2021-06-25 08:24:04

#	User	Length	Language	Date
1	Albert Wang	500	Java	2020-01-23 22:14:32
2	Nathan Nguyen	589	Java	2020-06-23 17:32:54
3	Lucas Wood	590	Java	2017-01-19 01:33:04
4	Zimu Qin	612	Java	2015-10-21 15:36:48
5	Doug Goodman	619	Java	2018-06-10 19:20:01
6	Russell Rivard	622	Java	2022-02-17 15:56:36
7	Destiny S Mhishi	624	Java	2016-11-19 19:51:56
8	Ann Chapple	626	Java	2019-10-04 15:45:06
9	Hidden user	628	Java	2018-12-31 04:50:08
10	Stela Palii	666	Java	2017-12-03 09:50:12

#	User	Length	Language	Date
1	Gurushant Gurushant	711	JavaScript (Node.js)	2023-04-24 22:34:12
2	Chris Wong	953	JavaScript (Node.js)	2021-02-15 17:29:01
3	Howard Tin Chi Chan	1079	JavaScript (Node.js)	2021-02-15 23:23:53
4	Hovhannes Kantuni	1110	JavaScript (Node.js)	2021-03-26 23:08:38
5	Hassan rauf	1150	JavaScript (Node.js)	2024-05-05 23:02:02
6	pc	1161	JavaScript (Node.js)	2021-11-19 09:34:36
7	Hidden user	1162	JavaScript (Node.js)	2024-09-18 21:16:52
8	Usman	1192	JavaScript (Node.js)	2024-05-07 22:58:14
9	Khin Nyunt	1299	JavaScript (Node.js)	2021-12-11 09:31:09
10	John	1319	JavaScript (Node.js)	2021-03-10 08:11:30

#	User	Length	Language	Date
1	Jimmy Gustafsson	215	JavaScript (SpiderMonkey)	2024-08-06 14:54:33
2	Spencer Smith	360	JavaScript (SpiderMonkey)	2017-06-08 23:52:33
3	Zach Tschetter	443	JavaScript (SpiderMonkey)	2025-02-20 20:28:48
4	Peter Menyes	487	JavaScript (SpiderMonkey)	2021-02-06 15:47:50
5	Oskar	626	JavaScript (SpiderMonkey)	2015-09-15 00:13:50
6	Bjørn Chr. Soltvedt	651	JavaScript (SpiderMonkey)	2016-02-14 16:00:14
7	Peter Kedemo	794	JavaScript (SpiderMonkey)	2016-01-10 18:31:49
8	Christopher Woodle	858	JavaScript (SpiderMonkey)	2017-10-07 03:28:33
9	Christian Cederquist	1113	JavaScript (SpiderMonkey)	2023-01-11 14:26:38
10	Nicklas Utgaard	1405	JavaScript (SpiderMonkey)	2018-07-08 10:09:53

#	User	Length	Language	Date
1	Danny Robinson	104	Julia	2024-12-28 19:57:34
2	Noszály Csaba	406	Julia	2025-03-02 17:51:12
3	Timothy Gaede	3417	Julia	2024-04-07 08:23:56

#	User	Length	Language	Date
1	Troy Warmboe	490	Kotlin	2023-04-12 02:44:29
2	Adam Rankin	639	Kotlin	2023-05-06 06:21:09
3	Cheatahh	654	Kotlin	2025-04-21 17:14:53
4	Aniket Kumar	734	Kotlin	2024-05-01 18:00:55
5	Einar Kjellback	740	Kotlin	2020-08-12 11:05:20
6	Nick Ivanov	918	Kotlin	2018-03-07 17:06:38
7	Johnny Baloney	936	Kotlin	2022-02-16 20:31:37
8	Alexandre Conte	991	Kotlin	2021-09-13 13:21:19
9	Jacob Huebner	1046	Kotlin	2022-03-03 08:56:44
10	Adam Koprowski	1308	Kotlin	2020-11-22 19:08:07

#	User	Length	Language	Date
1	Kelly Ngu	793	Lua	2024-09-27 13:46:29

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1217	Pascal	2019-04-09 13:24:42
2	David Connolly	1488	Pascal	2017-08-28 17:31:38

#	User	Length	Language	Date
1	Petr Trofimov	391	PHP	2021-04-25 11:04:56

#	User	Length	Language	Date
1	Hakan Kjellerstrand	181	Prolog	2023-02-05 18:01:03
2	Hadi Qovaizi	5622	Prolog	2016-05-09 05:09:54

#	User	Length	Language	Date
1	Thomas Feld	127	Python 2	2019-08-26 12:04:59
2	Johan Wind	146	Python 2	2018-03-20 17:26:06
3	Erik Odenman	176	Python 2	2015-05-21 04:10:05
4	Lars Åström	186	Python 2	2018-11-22 22:28:44
5	Paulo Bu	187	Python 2	2015-03-25 09:17:45
6	Asger Hautop Drewsen	192	Python 2	2015-10-01 02:01:12
7	Hidden user	193	Python 2	2018-01-27 21:04:52
8	Arne Tobias Malkenes Ødegaard	200	Python 2	2015-12-05 15:49:58
9	Maksym Bendeberia	210	Python 2	2016-08-29 13:17:16
10	Anton Lyxell	220	Python 2	2019-12-16 17:20:29

#	User	Length	Language	Date
1	Clement Oh	114	Python 3	2023-07-14 13:44:03
2	Benjamin Z White	116	Python 3	2023-04-07 16:13:14
3	Jayden Pahukula	120	Python 3	2023-10-20 00:23:16
4	Kelly Dance	127	Python 3	2023-10-20 00:24:42
5	Kyle Wells	142	Python 3	2023-10-14 01:14:36
6	Wendirad Demelash	142	Python 3	2023-01-16 14:19:08
7	Eugin Pahk	144	Python 3	2023-10-20 00:13:00
8	Charles Ancheta	147	Python 3	2023-04-18 21:33:07
9	Thibault Raffaillac	152	Python 3	2021-03-29 10:17:55
10	Elias Amha	153	Python 3	2019-08-19 21:40:04

#	User	Length	Language	Date
1	Jinwoo Lee	1306	Racket	2025-01-27 01:02:39

#	User	Length	Language	Date
1	Thomas Feld	67	Ruby	2023-01-30 10:51:36
2	Natanael Lundberg	90	Ruby	2021-09-17 14:22:12
3	Clement Oh	93	Ruby	2024-02-23 16:55:02
4	Casper Christensen	103	Ruby	2016-03-26 23:28:53
5	Frederik Petersen	122	Ruby	2024-04-02 13:17:12
6	Troy Sornson	151	Ruby	2022-01-20 01:38:46
7	Macdara mac an tSionnaigh	204	Ruby	2019-10-07 21:24:29
8	Chris Johnson	228	Ruby	2023-02-08 02:16:01
9	Lasse Berglund	249	Ruby	2016-04-01 10:52:38
10	Savvas Alexandrou	445	Ruby	2018-12-16 08:41:18

#	User	Length	Language	Date
1	David Aldenbro	291	Rust	2023-10-22 16:38:15
2	Morten Raeburn	810	Rust	2021-11-14 04:25:08
3	Kok Dith	861	Rust	2021-08-14 13:32:28
4	Þorvaldur Tumi Baldursson	975	Rust	2023-01-25 21:16:42
5	Bas Dirks	1006	Rust	2022-01-30 11:06:01
6	Pankajkumar Patro	1044	Rust	2024-11-04 18:57:28
7	Freek van Keulen	1094	Rust	2021-07-24 21:26:06
8	David Zacek	1165	Rust	2021-06-01 16:26:20
9	Vincent Lagerros	1367	Rust	2025-02-04 18:47:34
10	Martin Moos Hansen	1370	Rust	2023-07-12 15:20:36

Solution running time distribution