Problem A
Bard — Problem Statistics

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Submissions	3831
Accepted submissions	1819
Submission ratio	47.48%
Authors	1646
Full solves [?]	1450
Full solve Ratio	88.09%

#	User	Runtime	Language	Date
1	Krzysztof Suchan	0.02 s	C#	2013-09-16 16:26:15
2	Andrzej Krajniak	0.02 s	C#	2017-07-25 19:11:45
3	Marek	0.02 s	C#	2017-07-25 19:59:16
4	Hidden user	0.02 s	C#	2018-04-09 00:45:08
5	Pavel Volgarev	0.03 s	C#	2013-09-16 15:51:09
6	Tomasz Liptak	0.03 s	C#	2013-09-16 18:42:41
7	Peter Konnerup Moss	0.03 s	C#	2019-10-19 16:25:37
8	Robert Warnestam	0.03 s	C#	2021-10-15 00:36:58
9	Hidden user	0.03 s	C#	2021-12-14 15:33:24
10	Rickard Bemm	0.03 s	C#	2022-09-04 20:33:56

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.06 s	F#	2023-01-31 17:30:49

#	User	Runtime	Language	Date
1	Thomas	0.00 s	Go	2024-01-16 21:06:32
2	Petter Andre Dahl Elvevoll	0.04 s	Go	2018-07-16 01:27:35
3	Faizan Khalid	0.04 s	Go	2022-10-16 12:47:40
4	Christian Vestergaard	0.07 s	Go	2020-12-31 17:45:53
5	Norbert Voelker	0.07 s	Go	2021-07-20 23:58:54
6	Charles Eckman	0.09 s	Go	2018-04-15 21:14:02
7	Husain Satan	0.14 s	Go	2023-11-07 14:57:01

#	User	Runtime	Language	Date
1	Morten Lohne	0.01 s	Haskell	2018-01-16 17:58:59
2	Birk Tjelmeland	0.01 s	Haskell	2018-01-23 18:33:38
3	Mattias Aronsson Adler	0.01 s	Haskell	2018-06-03 09:32:31
4	Olle Eriksson	0.01 s	Haskell	2018-09-28 00:23:18
5	Hidden user	0.01 s	Haskell	2021-06-20 13:24:01
6	Agus Sentosa Hermawan	0.01 s	Haskell	2021-11-25 15:29:38
7	Hidden user	0.02 s	Haskell	2023-01-12 21:57:10

#	User	Runtime	Language	Date
1	Samuel Klingström	0.05 s	Java	2017-05-11 02:09:20
2	Sven Rönnbäck	0.05 s	Java	2024-04-25 21:01:17
3	Martijn Muijsers	0.06 s	Java	2017-04-28 19:12:08
4	Hidden user	0.06 s	Java	2018-01-18 16:04:53
5	Jon Pavelich	0.06 s	Java	2018-02-08 05:40:35
6	José Vander Meulen	0.06 s	Java	2018-02-20 19:53:33
7	Bjørn Dons	0.06 s	Java	2018-11-10 02:11:07
8	Liam Keliher	0.06 s	Java	2020-06-03 19:28:27
9	Reuben James Loquinario	0.06 s	Java	2024-11-05 09:44:38
10	Ang Wei Jian	0.06 s	Java	2024-11-12 16:25:32

#	User	Runtime	Language	Date
1	ChaosOp	0.42 s	JavaScript (Node.js)	2021-04-25 06:42:03

#	User	Runtime	Language	Date
1	Dan Ahl	0.02 s	JavaScript (SpiderMonkey)	2018-02-27 20:33:17
2	Peter Kedemo	0.03 s	JavaScript (SpiderMonkey)	2017-07-08 19:42:29
3	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-04-04 01:19:13
4	Bjørn Chr. Soltvedt	0.15 s	JavaScript (SpiderMonkey)	2017-04-10 06:15:13

#	User	Runtime	Language	Date
1	Timothy Gaede	0.72 s	Julia	2025-08-06 05:39:44

#	User	Runtime	Language	Date
1	Sam Keyser	0.16 s	Kotlin	2022-11-04 17:30:11
2	Jonathan Soo	0.17 s	Kotlin	2019-10-21 10:05:33
3	Jacob Huebner	0.17 s	Kotlin	2022-11-04 23:33:24
4	Hidden user	0.22 s	Kotlin	2017-11-22 18:17:26
5	Hidden user	0.22 s	Kotlin	2018-01-20 16:24:30
6	Benjamin Ye	0.23 s	Kotlin	2024-01-07 07:32:39
7	Adam Rankin	0.24 s	Kotlin	2023-09-23 04:11:29
8	Stephen Atwood	0.26 s	Kotlin	2018-10-18 08:26:32
9	André Dyrstad	0.31 s	Kotlin	2020-08-11 08:51:50

#	User	Runtime	Language	Date
1	Yassine Ste	0.00 s	Pascal	2017-05-04 15:42:55
2	Marcus Begic	0.00 s	Pascal	2021-10-22 22:23:58

#	User	Runtime	Language	Date
1	Morten Mehus	0.01 s	PHP	2018-01-23 12:59:35

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.04 s	Prolog	2024-04-02 12:32:48

#	User	Runtime	Language	Date
1	Bob Bobber	0.03 s	Python 2	2013-10-04 18:17:40
2	Jakob Bergendahl	0.03 s	Python 2	2013-11-12 17:31:31
3	Christofer Ohlsson	0.03 s	Python 2	2017-04-06 20:20:17
4	Haggai Liu	0.03 s	Python 2	2017-04-23 05:18:03
5	Kirk Worley	0.03 s	Python 2	2017-11-27 21:26:38
6	Øyvind Haarberg	0.03 s	Python 2	2018-01-16 17:39:10
7	Magnus Øian	0.03 s	Python 2	2018-01-22 22:03:16
8	Anthony Nandaa	0.03 s	Python 2	2018-04-06 00:33:42
9	Jesper Öqvist	0.03 s	Python 2	2018-11-01 20:01:29
10	Oskar Haarklou Veileborg	0.03 s	Python 2	2018-11-21 10:15:38

#	User	Runtime	Language	Date
1	Robert Welin-Berger	0.02 s	Python 3	2017-04-06 19:53:45
2	Nathan Collins	0.02 s	Python 3	2017-05-08 20:44:03
3	Henrik Holm	0.02 s	Python 3	2017-05-10 22:43:59
4	Linus Eklund	0.02 s	Python 3	2017-05-13 01:10:36
5	William Sihver	0.02 s	Python 3	2017-05-15 13:28:14
6	Stuart Rendall	0.02 s	Python 3	2017-05-17 01:04:27
7	Hyaline Seiche	0.02 s	Python 3	2017-05-17 18:03:44
8	James Hamm	0.02 s	Python 3	2017-05-19 18:29:52
9	Cian Ruane	0.02 s	Python 3	2017-05-28 20:31:39
10	Rick May	0.02 s	Python 3	2017-06-08 23:23:29

#	User	Runtime	Language	Date
1	Zohar Malamant	0.03 s	Ruby	2018-01-16 17:43:01

#	User	Runtime	Language	Date
1	Rudi Svartveit	0.00 s	Rust	2019-12-09 21:05:02
2	David Rasch	0.00 s	Rust	2020-10-30 09:29:39
3	Jakub Jagiello	0.00 s	Rust	2020-11-01 00:45:48
4	Ethan Woodrum	0.00 s	Rust	2024-04-05 23:36:50
5	Jonathan Choi	0.00 s	Rust	2024-04-07 23:38:58
6	Isak Jägberg	0.02 s	Rust	2020-11-14 13:50:52
7	Bas Dirks	0.05 s	Rust	2022-01-18 15:09:05

#	User	Length	Language	Date
1	Niklas Nordmark	743	C	2011-10-13 17:34:15
2	Sujan Roy	1091	C	2020-07-13 05:17:57
3	username	1135	C	2020-12-31 16:23:08
4	Sebastian Oveland	1229	C	2018-02-21 18:28:11
5	Velvet	1244	C	2020-11-14 12:53:31
6	Svein Høgemo	1263	C	2018-01-25 16:41:43
7	Mirel Cosulschi	1305	C	2025-03-29 11:22:32
8	Don Chew Wei Hong	1557	C	2025-05-20 07:24:05
9	Bergur Snorrason	2128	C	2019-07-20 14:08:53
10	Jacob Sutton	2313	C	2020-12-14 22:49:47

#	User	Length	Language	Date
1	Ahmet Murat Gençay	1084	C#	2023-09-06 15:59:21
2	Peter Konnerup Moss	1522	C#	2019-10-19 16:25:37
3	Hidden user	1560	C#	2017-05-14 12:22:02
4	Michael Damsgaard	1776	C#	2024-12-31 12:35:29
5	Marek	1974	C#	2017-07-25 19:59:16
6	Artemy Gavrilov	2001	C#	2024-04-07 22:36:55
7	Krzysztof Suchan	2061	C#	2013-09-16 16:26:15
8	Rickard Bemm	2110	C#	2022-09-04 20:33:56
9	Deci Bel	2127	C#	2025-03-26 12:48:42
10	Hidden user	2224	C#	2019-03-03 15:08:39

#	User	Length	Language	Date
1	Hidden user	502	C++	2020-03-07 16:32:51
2	陳羿嘉	523	C++	2023-04-30 07:23:48
3	Hyunjun Lee	533	C++	2022-11-10 21:32:57
4	William Gan	550	C++	2018-02-09 15:04:11
5	Emmanuel Anaya	562	C++	2021-03-16 20:04:52
6	Geekmen	593	C++	2024-11-20 04:18:23
7	陳心誠	603	C++	2024-04-17 16:23:34
8	洪崇恩	605	C++	2025-06-15 15:38:53
9	Julian Neeleman	607	C++	2017-05-16 14:10:27
10	Nathaniel Ang	615	C++	2020-03-05 04:47:44

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1697	F#	2023-01-31 17:30:49

#	User	Length	Language	Date
1	Petter Andre Dahl Elvevoll	928	Go	2018-07-16 01:27:35
2	Faizan Khalid	1156	Go	2022-10-16 12:47:40
3	Christian Vestergaard	1386	Go	2020-12-31 17:47:02
4	Husain Satan	1609	Go	2023-11-07 14:57:01
5	Charles Eckman	1654	Go	2018-04-15 21:14:02
6	Thomas	1965	Go	2024-01-16 21:06:32
7	Norbert Voelker	6017	Go	2021-07-20 23:58:54

#	User	Length	Language	Date
1	Birk Tjelmeland	769	Haskell	2018-01-23 18:33:38
2	Hidden user	880	Haskell	2023-01-12 21:57:10
3	Morten Lohne	1328	Haskell	2018-01-16 17:58:59
4	Agus Sentosa Hermawan	1553	Haskell	2021-11-25 15:29:38
5	Mattias Aronsson Adler	1787	Haskell	2018-06-03 09:32:31
6	Olle Eriksson	2135	Haskell	2018-09-28 00:23:18
7	Hidden user	14598	Haskell	2021-06-20 13:24:01

#	User	Length	Language	Date
1	Erlend Raa Vågset	888	Java	2018-09-05 18:00:09
2	Rahul Kandekar	900	Java	2022-11-16 23:35:28
3	Karthik Manishankar	921	Java	2022-11-17 03:42:02
4	Nathan Huckleberry	936	Java	2018-03-01 04:37:27
5	Doug Goodman	945	Java	2017-09-02 00:09:21
6	Sophia Khalis	1017	Java	2017-12-05 15:50:05
7	Isaak Coleman	1060	Java	2019-11-27 18:33:47
8	Gia Huấn Hồ	1090	Java	2018-04-19 18:58:29
9	Dave Poplawski	1153	Java	2018-07-22 01:40:16
10	Markus Bao	1159	Java	2024-01-07 09:16:43

#	User	Length	Language	Date
1	ChaosOp	1438	JavaScript (Node.js)	2021-04-25 06:42:03

#	User	Length	Language	Date
1	Peter Kedemo	826	JavaScript (SpiderMonkey)	2017-07-08 19:42:29
2	Bjørn Chr. Soltvedt	839	JavaScript (SpiderMonkey)	2017-04-10 06:15:13
3	Christian Pilegaard Cederquist	850	JavaScript (SpiderMonkey)	2023-04-04 01:19:13
4	Dan Ahl	1474	JavaScript (SpiderMonkey)	2018-02-27 20:33:17

#	User	Length	Language	Date
1	Timothy Gaede	1279	Julia	2025-08-06 05:39:44

#	User	Length	Language	Date
1	Benjamin Ye	685	Kotlin	2024-01-07 07:32:39
2	Stephen Atwood	767	Kotlin	2018-10-18 08:26:32
3	Hidden user	800	Kotlin	2017-11-22 18:17:26
4	Jacob Huebner	935	Kotlin	2022-11-04 23:33:24
5	André Dyrstad	966	Kotlin	2020-08-11 08:51:50
6	Adam Rankin	1018	Kotlin	2023-09-23 04:11:29
7	Hidden user	1349	Kotlin	2018-01-20 18:27:04
8	Sam Keyser	1533	Kotlin	2022-11-04 17:30:11
9	Jonathan Soo	3571	Kotlin	2019-10-21 10:16:33

#	User	Length	Language	Date
1	Yassine Ste	1526	Pascal	2017-05-04 15:42:55
2	Marcus Begic	1526	Pascal	2021-10-22 22:23:58

#	User	Length	Language	Date
1	Morten Mehus	1420	PHP	2018-01-23 12:59:35

#	User	Length	Language	Date
1	Andriy Zyevakov	1485	Prolog	2024-04-02 12:32:48

#	User	Length	Language	Date
1	Thomas Feld	298	Python 2	2019-08-16 14:57:18
2	Jesper Öqvist	375	Python 2	2018-11-01 20:01:29
3	Johan Sannemo	403	Python 2	2012-01-22 13:22:49
4	Jakob Bergendahl	406	Python 2	2013-11-12 17:31:31
5	Oskar Haarklou Veileborg	431	Python 2	2018-11-21 10:15:38
6	Andreas Björklund	441	Python 2	2020-10-25 17:21:09
7	Haggai Liu	530	Python 2	2017-04-23 05:18:03
8	Anthony Nandaa	541	Python 2	2018-04-06 00:33:42
9	Christofer Ohlsson	565	Python 2	2017-04-06 20:20:17
10	Johan Lyts	588	Python 2	2020-08-04 21:21:04

#	User	Length	Language	Date
1	Benjamin Ye	123	Python 3	2024-01-26 22:01:35
2	Anshuman Dash	146	Python 3	2024-01-19 23:58:26
3	JY Loh	218	Python 3	2022-12-08 12:59:58
4	Holger Dell	237	Python 3	2023-06-28 14:02:44
5	Luke Vandevoorde	241	Python 3	2024-01-20 00:11:03
6	Ahmed Chamseddine	246	Python 3	2024-09-29 00:05:26
7	Maxim Barbe	248	Python 3	2025-01-27 16:47:55
8	Nino Bašić	254	Python 3	2023-01-08 18:44:27
9	Jayden Pahukula	269	Python 3	2024-01-25 07:24:28
10	Rabnoor Singh	291	Python 3	2026-01-25 10:33:47

#	User	Length	Language	Date
1	Zohar Malamant	456	Ruby	2018-01-18 16:25:12

#	User	Length	Language	Date
1	Bas Dirks	1273	Rust	2022-01-18 15:10:16
2	David Rasch	1341	Rust	2020-10-30 09:29:39
3	Rudi Svartveit	1369	Rust	2019-12-09 21:05:02
4	Ethan Woodrum	1784	Rust	2024-04-05 23:36:50
5	Jonathan Choi	2935	Rust	2024-04-07 23:38:58
6	Isak Jägberg	3649	Rust	2020-11-14 13:50:52
7	Jakub Jagiello	12626	Rust	2020-11-01 00:45:48

Solution running time distribution