Problem A
Veci — Problem Statistics

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Submissions	7355
Accepted submissions	4081
Submission ratio	55.49%
Authors	3716
Full solves [?]	3469
Full solve Ratio	93.35%

#	User	Runtime	Language	Date
1	Matzuka	0.02 s	APL	2025-10-17 08:06:50

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.01 s	Bash	2023-11-14 16:09:19

#	User	Runtime	Language	Date
1	Simon Ståhlberg	0.02 s	C#	2014-05-12 12:03:03
2	Andreas Löfwenmark	0.02 s	C#	2014-05-12 14:55:07
3	Mads Storm Hansen	0.02 s	C#	2015-07-20 19:42:54
4	Shiwei Wang	0.02 s	C#	2015-10-21 16:20:08
5	Andriy Zyevakov	0.02 s	C#	2015-11-22 14:24:47
6	Robert Low	0.02 s	C#	2016-07-21 10:22:09
7	Duelene Olson	0.02 s	C#	2016-10-14 20:06:23
8	Ugnius Skučas	0.02 s	C#	2016-10-17 17:07:50
9	Khin Nyunt	0.02 s	C#	2016-12-20 14:57:31
10	Þorsteinn Þorvaldsson	0.02 s	C#	2017-06-04 01:25:33

#	User	Runtime	Language	Date
1	Dmytro Bihniak	0.01 s	Common Lisp	2019-08-12 17:33:47
2	David Cawthon	0.01 s	Common Lisp	2020-06-27 02:47:30
3	Ari Páll Agnarsson	0.92 s	Common Lisp	2021-01-28 03:20:24

#	User	Runtime	Language	Date
1	Morten Clausen	0.05 s	F#	2020-08-02 18:54:09
2	Jacob Harris Cryer Kragh	0.10 s	F#	2022-08-28 17:57:16

#	User	Runtime	Language	Date
1	Romario HUAMANI PACCAYA	0.00 s	Go	2025-09-14 17:30:14
2	Zakaria Sabbagh	0.02 s	Go	2020-04-01 15:58:18
3	Nathan Wilkinson	0.08 s	Go	2017-08-12 20:29:29
4	Erik Rairden	0.08 s	Go	2021-01-23 18:03:47
5	Norbert Voelker	0.08 s	Go	2021-04-18 21:02:57
6	Theo Coyne Morgan	0.14 s	Go	2019-03-26 13:37:48

#	User	Runtime	Language	Date
1	Shaira	0.04 s	Java	2024-10-14 09:49:55
2	Julius Griebel	0.04 s	Java	2024-11-01 19:19:23
3	Thanh Nhan Nguyen	0.04 s	Java	2024-11-06 10:53:47
4	Đức	0.04 s	Java	2024-11-08 22:27:42
5	Do Hoang Trieu	0.04 s	Java	2024-11-11 08:46:06
6	Todd W. Neller	0.04 s	Java	2025-01-21 21:44:25
7	Guangyi Zhou	0.04 s	Java	2025-01-29 18:55:00
8	Jun Park	0.04 s	Java	2025-03-16 17:54:49
9	leo wennberg	0.04 s	Java	2025-08-06 20:39:52
10	Alvin Lee	0.04 s	Java	2025-09-04 23:14:01

#	User	Runtime	Language	Date
1	Hassan rauf	0.04 s	JavaScript (Node.js)	2024-05-05 21:02:02
2	Hidden user	0.05 s	JavaScript (Node.js)	2023-09-24 04:02:15
3	Usman	0.05 s	JavaScript (Node.js)	2024-05-07 20:58:14
4	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-08 19:55:42
5	Chris Wong	0.42 s	JavaScript (Node.js)	2021-02-15 16:29:01
6	Howard Tin Chi Chan	0.42 s	JavaScript (Node.js)	2021-02-15 22:23:53
7	John	0.42 s	JavaScript (Node.js)	2021-03-10 07:11:30
8	Hovhannes Kantuni	0.42 s	JavaScript (Node.js)	2021-03-26 22:08:38
9	pc	0.42 s	JavaScript (Node.js)	2021-11-19 08:34:36
10	Khin Nyunt	0.42 s	JavaScript (Node.js)	2021-12-11 08:31:09

#	User	Runtime	Language	Date
1	Oskar	0.01 s	JavaScript (SpiderMonkey)	2015-09-14 21:55:59
2	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-01-10 17:31:49
3	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-02-14 15:00:14
4	Christopher Woodle	0.01 s	JavaScript (SpiderMonkey)	2017-10-07 01:28:33
5	Nicklas Utgaard	0.01 s	JavaScript (SpiderMonkey)	2018-07-08 08:09:53
6	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-02-06 14:47:50
7	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-11 13:26:38
8	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-06 12:54:33
9	Spencer Smith	0.06 s	JavaScript (SpiderMonkey)	2017-06-09 03:06:43
10	Zach Tschetter	0.68 s	JavaScript (SpiderMonkey)	2025-02-20 15:55:18

#	User	Runtime	Language	Date
1	Hidden user	0.41 s	Julia	2025-03-02 16:51:12
2	Danny Robinson	0.57 s	Julia	2024-12-28 18:57:34
3	Timothy Gaede	0.66 s	Julia	2024-04-07 06:23:56

#	User	Runtime	Language	Date
1	Jacob Huebner	0.13 s	Kotlin	2022-03-03 07:56:44
2	Johnny Baloney	0.16 s	Kotlin	2022-02-16 19:57:57
3	Gaurav Tyagi	0.17 s	Kotlin	2018-11-21 23:50:00
4	Adam Rankin	0.18 s	Kotlin	2023-05-06 04:21:09
5	Aniket Kumar	0.19 s	Kotlin	2024-05-01 16:00:55
6	Neil Harmon	0.20 s	Kotlin	2019-05-06 07:31:43
7	Troy Warmboe	0.20 s	Kotlin	2023-04-12 00:44:29
8	Alexandre Conte	0.21 s	Kotlin	2021-09-13 11:21:19
9	Cheatahh	0.21 s	Kotlin	2025-04-21 15:14:53
10	Einar Kjellback	0.22 s	Kotlin	2020-08-12 09:05:20

#	User	Runtime	Language	Date
1	Kelly Ngu	0.21 s	Lua	2024-09-27 11:46:29

#	User	Runtime	Language	Date
1	Alfred Morgan	0.00 s	Nim	2025-10-19 08:50:32

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-06-05 23:26:10

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2019-04-09 11:24:42
2	David Connolly	0.37 s	Pascal	2017-08-28 15:31:38

#	User	Runtime	Language	Date
1	Petr Trofimov	0.01 s	PHP	2021-04-25 09:04:56

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-05 17:01:03
2	Hadi Qovaizi	0.40 s	Prolog	2016-05-09 03:09:54

#	User	Runtime	Language	Date
1	Erik Odenman	0.02 s	Python 2	2015-05-21 02:10:05
2	Jonas Kylling	0.02 s	Python 2	2015-09-17 16:26:28
3	Scott Handelman	0.02 s	Python 2	2016-04-22 02:00:05
4	Elsie Mestl	0.02 s	Python 2	2016-04-24 14:19:50
5	Elsie Mestl	0.02 s	Python 2	2016-04-24 14:20:47
6	Hasan Ramezani	0.02 s	Python 2	2016-10-06 10:24:41
7	Tomas Alvarez	0.02 s	Python 2	2017-02-02 01:57:07
8	Miguel Alfageme Sanchez	0.02 s	Python 2	2017-02-08 19:40:50
9	Matt Bonsall	0.02 s	Python 2	2017-03-05 22:09:17
10	Andrew Yang	0.02 s	Python 2	2017-04-13 05:12:20

#	User	Runtime	Language	Date
1	Filip Haglund	0.02 s	Python 3	2014-05-12 11:51:36
2	Henrik Adolfsson	0.02 s	Python 3	2014-05-12 14:57:32
3	James Elías Sigurðarson	0.02 s	Python 3	2015-06-05 11:57:00
4	Petra Vidic	0.02 s	Python 3	2015-07-25 10:06:19
5	Hidden user	0.02 s	Python 3	2015-10-21 14:29:48
6	Paweł Baranowski	0.02 s	Python 3	2015-12-14 23:20:28
7	Wayne	0.02 s	Python 3	2016-02-01 19:18:41
8	Thais Minet	0.02 s	Python 3	2016-03-27 19:01:34
9	Martin Stensgård	0.02 s	Python 3	2016-04-19 04:09:38
10	Lucia Pál (Simanová)	0.02 s	Python 3	2016-06-12 22:24:53

#	User	Runtime	Language	Date
1	Jinwoo Lee	0.13 s	Racket	2025-01-26 23:29:43

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-03-26 22:28:53
2	Lasse Berglund	0.03 s	Ruby	2016-04-01 08:52:38
3	Erik Rydbert	0.03 s	Ruby	2016-08-02 05:25:22
4	Savvas Alexandrou	0.04 s	Ruby	2018-12-16 07:41:18
5	Natanael Lundberg	0.05 s	Ruby	2021-09-17 12:22:12
6	Troy Sornson	0.05 s	Ruby	2022-01-20 00:38:46
7	Thomas Feld	0.06 s	Ruby	2023-01-30 09:50:41
8	Clement Oh	0.07 s	Ruby	2024-02-23 15:55:02
9	Frederik Petersen	0.07 s	Ruby	2024-04-02 11:17:12
10	Macdara mac an tSionnaigh	0.10 s	Ruby	2019-10-07 19:24:29

#	User	Runtime	Language	Date
1	Grettir Heimisson	0.00 s	Zig	2025-11-10 22:30:19

#	User	Length	Language	Date
1	Matzuka	321	APL	2025-10-17 08:06:50

#	User	Length	Language	Date
1	Chenzhang Hu	107	Bash	2023-11-14 16:09:19

#	User	Length	Language	Date
1	a_b__c	286	C	2021-02-06 19:12:17
2	Bergur Snorrason	413	C	2022-02-01 12:13:17
3	Thibault Raffaillac	457	C	2017-09-18 16:40:23
4	Eduardo Vicente Petry	537	C	2025-08-20 20:45:40
5	Houda Sassi	553	C	2017-04-05 23:44:48
6	Hidden user	594	C	2017-11-22 01:47:15
7	Hidden user	596	C	2022-12-26 12:10:30
8	Mariano Varas Ramos	596	C	2024-10-12 04:28:35
9	Eduardo Rodriguez	596	C	2024-10-12 19:40:23
10	Benjamin Soto	596	C	2024-10-14 04:33:22

#	User	Length	Language	Date
1	Anthony Ye	570	C#	2023-11-26 18:09:39
2	Esty Crow	694	C#	2023-11-26 04:21:12
3	Thomas Norris	740	C#	2019-10-03 16:10:59
4	Kunwei Zhang	899	C#	2018-06-12 09:10:06
5	Göran Andersson	930	C#	2022-05-14 12:46:26
6	Mehdi Khamse	964	C#	2023-07-19 13:16:32
7	Ali Aliev	1022	C#	2022-02-08 11:24:57
8	Dennis Stegnell	1039	C#	2025-03-05 10:32:36
9	Ugnius Skučas	1194	C#	2016-10-17 17:07:50
10	Per-Arne Lennartssony	1238	C#	2018-12-11 15:21:00

#	User	Length	Language	Date
1	Arvid Jonasson	104	C++	2025-08-05 11:56:03
2	Angela Qian	112	C++	2025-09-05 01:37:41
3	Jaxon Ballentine	114	C++	2025-06-20 13:13:12
4	Mathias Gernez	123	C++	2023-08-31 23:35:06
5	Joel Niemelä	123	C++	2024-11-01 15:35:11
6	Brandon Zhang	127	C++	2020-05-12 19:10:43
7	Elliot Smith	129	C++	2025-08-05 11:38:56
8	Leo Lee	135	C++	2025-01-27 12:53:47
9	Admasu Abera	138	C++	2019-11-18 16:24:06
10	Jimmy Dinh	144	C++	2024-08-30 17:49:46

#	User	Length	Language	Date
1	Dmytro Bihniak	719	Common Lisp	2019-08-12 17:33:47
2	David Cawthon	811	Common Lisp	2020-06-27 02:47:30
3	Ari Páll Agnarsson	2187	Common Lisp	2021-01-28 03:20:24

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	569	F#	2022-08-28 17:57:16
2	Morten Clausen	714	F#	2020-08-02 18:54:09

#	User	Length	Language	Date
1	Theo Coyne Morgan	527	Go	2019-03-26 13:37:48
2	Erik Rairden	1080	Go	2021-01-23 18:03:47
3	Romario HUAMANI PACCAYA	1194	Go	2025-09-14 17:30:14
4	Zakaria Sabbagh	1233	Go	2020-04-01 15:58:18
5	Norbert Voelker	1305	Go	2021-04-18 21:02:57
6	Nathan Wilkinson	2001	Go	2017-08-12 20:29:29

#	User	Length	Language	Date
1	Niklas Rosén	155	Haskell	2014-05-12 11:33:42
2	Lim Zi Wei	189	Haskell	2019-10-11 06:46:35
3	Anthony Clark	196	Haskell	2017-03-29 19:50:35
4	Sebastian Paaske Tørholm	208	Haskell	2017-01-30 10:15:31
5	Antony Lee	215	Haskell	2017-08-07 09:54:15
6	Aurélien Pepin	217	Haskell	2019-08-16 17:16:34
7	Lars Tveito	234	Haskell	2015-08-13 21:58:54
8	Daniel Krueger	247	Haskell	2018-06-18 12:48:08
9	Håkon Flatval	280	Haskell	2018-08-21 12:11:51
10	Monique Oliveira	286	Haskell	2021-06-25 06:24:04

#	User	Length	Language	Date
1	Albert Wang	500	Java	2020-01-23 21:14:32
2	Nathan Nguyen	589	Java	2020-06-23 15:32:54
3	Lucas Wood	590	Java	2017-01-19 00:33:04
4	Zimu Qin	612	Java	2015-10-21 13:36:48
5	Doug Goodman	619	Java	2018-06-10 17:20:01
6	Russell Rivard	622	Java	2022-02-17 14:56:36
7	Destiny S Mhishi	624	Java	2016-11-19 18:51:56
8	Ann Chapple	626	Java	2019-10-04 13:45:06
9	Hidden user	628	Java	2018-12-31 03:50:08
10	Stela Palii	666	Java	2017-12-03 08:50:12

#	User	Length	Language	Date
1	Gurushant Gurushant	711	JavaScript (Node.js)	2023-04-24 20:34:12
2	Chris Wong	953	JavaScript (Node.js)	2021-02-15 16:29:01
3	Howard Tin Chi Chan	1079	JavaScript (Node.js)	2021-02-15 22:23:53
4	Hovhannes Kantuni	1110	JavaScript (Node.js)	2021-03-26 22:08:38
5	Hassan rauf	1150	JavaScript (Node.js)	2024-05-05 21:02:02
6	pc	1161	JavaScript (Node.js)	2021-11-19 08:34:36
7	Hidden user	1162	JavaScript (Node.js)	2024-09-18 19:16:52
8	Usman	1192	JavaScript (Node.js)	2024-05-07 20:58:14
9	Khin Nyunt	1299	JavaScript (Node.js)	2021-12-11 08:31:09
10	John	1319	JavaScript (Node.js)	2021-03-10 07:11:30

#	User	Length	Language	Date
1	Jimmy Gustafsson	215	JavaScript (SpiderMonkey)	2024-08-06 12:54:33
2	Spencer Smith	360	JavaScript (SpiderMonkey)	2017-06-08 21:52:33
3	Zach Tschetter	443	JavaScript (SpiderMonkey)	2025-02-20 19:28:48
4	Peter Menyes	487	JavaScript (SpiderMonkey)	2021-02-06 14:47:50
5	Oskar	626	JavaScript (SpiderMonkey)	2015-09-14 22:13:50
6	Bjørn Chr. Soltvedt	651	JavaScript (SpiderMonkey)	2016-02-14 15:00:14
7	Peter Kedemo	794	JavaScript (SpiderMonkey)	2016-01-10 17:31:49
8	Christopher Woodle	858	JavaScript (SpiderMonkey)	2017-10-07 01:28:33
9	Christian Pilegaard Cederquist	1113	JavaScript (SpiderMonkey)	2023-01-11 13:26:38
10	Nicklas Utgaard	1405	JavaScript (SpiderMonkey)	2018-07-08 08:09:53

#	User	Length	Language	Date
1	Danny Robinson	104	Julia	2024-12-28 18:57:34
2	Hidden user	406	Julia	2025-03-02 16:51:12
3	Timothy Gaede	3417	Julia	2024-04-07 06:23:56

#	User	Length	Language	Date
1	Troy Warmboe	490	Kotlin	2023-04-12 00:44:29
2	Adam Rankin	639	Kotlin	2023-05-06 04:21:09
3	Cheatahh	654	Kotlin	2025-04-21 15:14:53
4	Aniket Kumar	734	Kotlin	2024-05-01 16:00:55
5	Einar Kjellback	740	Kotlin	2020-08-12 09:05:20
6	Nick Ivanov	918	Kotlin	2018-03-07 16:06:38
7	Johnny Baloney	936	Kotlin	2022-02-16 19:31:37
8	Alexandre Conte	991	Kotlin	2021-09-13 11:21:19
9	Jacob Huebner	1046	Kotlin	2022-03-03 07:56:44
10	Adam Koprowski	1308	Kotlin	2020-11-22 18:08:07

#	User	Length	Language	Date
1	Kelly Ngu	793	Lua	2024-09-27 11:46:29

#	User	Length	Language	Date
1	Alfred Morgan	614	Nim	2025-10-19 08:50:32

#	User	Length	Language	Date
1	Hidden user	687	Odin	2025-06-05 23:26:10

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1217	Pascal	2019-04-09 11:24:42
2	David Connolly	1488	Pascal	2017-08-28 15:31:38

#	User	Length	Language	Date
1	Petr Trofimov	391	PHP	2021-04-25 09:04:56

#	User	Length	Language	Date
1	Hakan Kjellerstrand	181	Prolog	2023-02-05 17:01:03
2	Hadi Qovaizi	5622	Prolog	2016-05-09 03:09:54

#	User	Length	Language	Date
1	Thomas Feld	127	Python 2	2019-08-26 10:04:59
2	Johan Wind	146	Python 2	2018-03-20 16:26:06
3	Erik Odenman	176	Python 2	2015-05-21 02:10:05
4	Lars Åström	186	Python 2	2018-11-22 21:28:44
5	Paulo Bu	187	Python 2	2015-03-25 08:17:45
6	Asger Hautop Drewsen	192	Python 2	2015-10-01 00:01:12
7	Hidden user	193	Python 2	2018-01-27 20:04:52
8	Arne Tobias Malkenes Ødegaard	200	Python 2	2015-12-05 14:49:58
9	Maksym Bendeberia	210	Python 2	2016-08-29 11:17:16
10	Anton Lyxell	220	Python 2	2019-12-16 16:20:29

#	User	Length	Language	Date
1	Hidden user	110	Python 3	2025-09-19 14:45:07
2	David Worley	110	Python 3	2025-09-26 17:58:04
3	Clement Oh	114	Python 3	2023-07-14 11:44:03
4	Benjamin Z White	116	Python 3	2023-04-07 14:13:14
5	Jayden Pahukula	120	Python 3	2023-10-19 22:23:16
6	Kelly Dance	127	Python 3	2023-10-19 22:24:42
7	Edvard Walde Heimdal	127	Python 3	2025-11-06 16:29:27
8	Wendirad Demelash	142	Python 3	2023-01-16 13:19:08
9	Kyle Wells	142	Python 3	2023-10-13 23:14:36
10	Eugin Pahk	144	Python 3	2023-10-19 22:13:00

#	User	Length	Language	Date
1	Jinwoo Lee	1306	Racket	2025-01-27 00:02:39

#	User	Length	Language	Date
1	Thomas Feld	67	Ruby	2023-01-30 09:51:36
2	Natanael Lundberg	90	Ruby	2021-09-17 12:22:12
3	Clement Oh	93	Ruby	2024-02-23 15:55:02
4	Casper Christensen	103	Ruby	2016-03-26 22:28:53
5	Frederik Petersen	122	Ruby	2024-04-02 11:17:12
6	Troy Sornson	151	Ruby	2022-01-20 00:38:46
7	Macdara mac an tSionnaigh	204	Ruby	2019-10-07 19:24:29
8	Chris Johnson	228	Ruby	2023-02-08 01:16:01
9	Lasse Berglund	249	Ruby	2016-04-01 08:52:38
10	Savvas Alexandrou	445	Ruby	2018-12-16 07:41:18

#	User	Length	Language	Date
1	David Aldenbro	291	Rust	2023-10-22 14:38:15
2	Emil Dichmann	501	Rust	2025-09-07 09:34:51
3	Wilmer Johansen	674	Rust	2025-08-10 20:55:30
4	Morten Raeburn	810	Rust	2021-11-14 03:25:08
5	Kok Dith	861	Rust	2021-08-14 11:32:28
6	Þorvaldur Tumi Baldursson	975	Rust	2023-01-25 20:16:42
7	Hidden user	994	Rust	2025-11-19 08:47:40
8	Bas Dirks	1006	Rust	2022-01-30 10:06:01
9	Eric Källman	1034	Rust	2025-08-05 20:35:46
10	Marcus Persson	1034	Rust	2025-08-11 01:27:35

#	User	Length	Language	Date
1	Grettir Heimisson	2633	Zig	2025-11-10 22:37:12

Solution running time distribution