Problem K
Alex and Barb — Problem Statistics

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Submissions	3628
Accepted submissions	1158
Submission ratio	31.92%
Authors	1290
Full solves [?]	993
Full solve Ratio	76.98%

#	User	Runtime	Language	Date
1	Daniel Jaksland	0.02 s	C#	2021-01-03 07:30:58
2	Mikael Fiala-Lundström	0.02 s	C#	2021-06-08 12:42:27
3	leili	0.02 s	C#	2022-03-18 17:07:13
4	Sano Gharzani	0.04 s	C#	2023-11-10 10:39:53
5	Nickolas Rau	0.05 s	C#	2025-01-22 01:30:51
6	Richard Arvehell	0.80 s	C#	2022-12-03 16:40:11

#	User	Runtime	Language	Date
1	Morten Clausen	0.04 s	F#	2020-12-27 17:42:09

#	User	Runtime	Language	Date
1	Hidden user	0.07 s	Go	2021-01-24 17:58:15
2	Hidden user	0.08 s	Go	2021-04-05 05:55:49
3	Michael Hoffmann	0.08 s	Go	2021-05-11 20:20:36
4	Norbert Voelker	0.08 s	Go	2021-11-27 20:16:43

#	User	Runtime	Language	Date
1	Ng Tek In	0.00 s	Haskell	2022-08-30 19:07:05
2	Brent Yorgey	0.00 s	Haskell	2022-11-03 13:12:16
3	Steinar Simonnes	0.00 s	Haskell	2025-02-05 09:49:39
4	Aaron Lengyel	0.01 s	Haskell	2022-02-12 02:42:23
5	Hidden user	0.01 s	Haskell	2022-08-31 23:50:07

#	User	Runtime	Language	Date
1	Andreas Jørgensen	0.04 s	Java	2025-08-17 09:55:41
2	Collin Jakubik	0.04 s	Java	2025-08-17 17:29:03
3	Hidden user	0.04 s	Java	2026-02-01 22:04:19
4	Crystal Sharpe	0.06 s	Java	2020-08-04 22:46:11
5	Kadin Tang	0.06 s	Java	2020-08-24 07:13:32
6	Wojciech T	0.06 s	Java	2020-11-11 10:45:02
7	Steven Cheng	0.06 s	Java	2021-01-03 08:48:39
8	Stela Palii	0.06 s	Java	2021-01-12 08:01:25
9	Sven Rönnbäck	0.06 s	Java	2021-01-23 23:08:29
10	Ho Lyun Jeong	0.06 s	Java	2021-03-12 03:43:53

#	User	Runtime	Language	Date
1	Kenneth Chen	0.08 s	JavaScript (Node.js)	2022-07-09 17:32:13
2	Bas Dirks	0.42 s	JavaScript (Node.js)	2021-12-26 08:33:31

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2022-08-30 20:09:03
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-02-26 09:28:06

#	User	Runtime	Language	Date
1	Timothy Gaede	0.55 s	Julia	2024-08-22 05:39:45

#	User	Runtime	Language	Date
1	Adam Rankin	0.20 s	Kotlin	2023-04-23 20:26:56
2	Phường Lên	0.22 s	Kotlin	2020-04-15 09:15:05

#	User	Runtime	Language	Date
1	Shehab Ahmed Hatem	0.00 s	Lua	2023-11-16 19:33:53
2	Zeheng Li	0.00 s	Lua	2023-12-04 22:27:45

#	User	Runtime	Language	Date
1	Justin Kruskie	0.01 s	PHP	2021-01-17 03:09:19
2	Saginaw George	0.01 s	PHP	2021-01-17 13:50:18

#	User	Runtime	Language	Date
1	Godmar Back	0.03 s	Python 2	2020-03-14 19:40:11
2	Johan Lyts	0.03 s	Python 2	2020-03-21 15:10:40
3	Lars Åström	0.03 s	Python 2	2020-03-25 14:26:40
4	Andreas Björklund	0.03 s	Python 2	2020-03-29 15:59:52
5	Måns Magnusson	0.03 s	Python 2	2020-08-26 23:39:55
6	Maj Stenmark	0.03 s	Python 2	2020-08-28 22:05:39
7	Yanmarshus Bachtiar	0.03 s	Python 2	2020-10-18 02:22:59
8	Anders Larsson	0.03 s	Python 2	2022-01-03 20:53:59
9	Sivasankaran D	0.07 s	Python 2	2026-01-11 05:56:56

#	User	Runtime	Language	Date
1	raul feier	0.04 s	Python 3	2022-06-06 20:13:46
2	Urša Kumelj	0.04 s	Python 3	2022-06-17 21:53:15
3	Hanyu Lin	0.04 s	Python 3	2022-06-25 18:48:12
4	Ryan Farrell	0.04 s	Python 3	2022-07-01 01:26:54
5	Ching Chang	0.04 s	Python 3	2022-07-15 09:22:54
6	Abedalhkeem Najeeb	0.04 s	Python 3	2022-07-17 16:20:40
7	Nicholas Di	0.04 s	Python 3	2022-07-27 01:18:18
8	genesis	0.04 s	Python 3	2022-07-30 02:20:05
9	Kelly Dance	0.04 s	Python 3	2022-07-30 04:33:39
10	Marcel Homšak	0.04 s	Python 3	2022-08-15 17:23:59

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Ruby	2020-09-23 04:25:03
2	apt	0.05 s	Ruby	2021-11-11 15:15:33
3	Nicholas Russell Saerang	0.05 s	Ruby	2023-08-16 15:06:04
4	Thomas Feld	0.06 s	Ruby	2023-01-02 15:52:53

#	User	Runtime	Language	Date
1	Isak Jägberg	0.00 s	Rust	2020-10-22 20:15:32
2	Judith Hemp	0.00 s	Rust	2021-01-25 18:31:50
3	Muhammad Rais Fathin Mudzakir	0.00 s	Rust	2021-06-07 00:20:10
4	Eric Pinter	0.00 s	Rust	2022-05-10 04:42:36
5	Ryan Mueller	0.00 s	Rust	2023-02-10 15:28:26
6	Daniel Anker Hermansen	0.00 s	Rust	2023-05-28 18:47:22
7	Alpha	0.00 s	Rust	2024-10-13 07:38:53

#	User	Length	Language	Date
1	Hugo Söderbergh	72	C	2024-03-14 22:38:21
2	Mubarek Shikur	127	C	2022-06-28 16:11:32
3	Johan Eka Santosa	143	C	2020-12-25 15:35:10
4	Akhil Varma Penmetsa	145	C	2023-01-25 00:08:37
5	Ramana Palivelu Bhagya Lakshmi	147	C	2020-12-31 10:20:50
6	Hidden user	147	C	2022-06-10 16:56:08
7	Hidden user	148	C	2023-12-09 02:23:04
8	RAGUL A S	152	C	2021-11-29 17:28:31
9	Võ Hoàng Tú	152	C	2022-10-28 04:23:34
10	NAVINKUMAR P	152	C	2025-05-02 15:25:32

#	User	Length	Language	Date
1	Nickolas Rau	502	C#	2025-01-22 01:30:51
2	leili	608	C#	2022-03-18 17:07:13
3	Mikael Fiala-Lundström	707	C#	2021-06-08 12:42:27
4	Richard Arvehell	720	C#	2022-12-03 16:40:11
5	Sano Gharzani	810	C#	2023-11-10 10:39:53
6	Daniel Jaksland	835	C#	2021-01-03 07:30:58

#	User	Length	Language	Date
1	Taylor Rodríguez	95	C++	2025-01-25 08:17:40
2	Teikn Smith	96	C++	2024-06-30 19:11:57
3	Nguyen Tran Huu Duc	138	C++	2022-10-04 15:11:59
4	Kevin X Huai	139	C++	2024-04-21 21:49:24
5	Marcus Oscarsson	142	C++	2022-12-26 01:36:24
6	Daniel Bordeianu	142	C++	2025-02-28 15:19:50
7	Christopher Haines	142	C++	2025-11-18 21:40:19
8	Lim Dewen, Aloysius	143	C++	2020-08-05 09:08:36
9	N41h_Dr3s	144	C++	2025-02-28 10:14:36
10	Bui Phuong Nam	149	C++	2022-11-05 06:20:22

#	User	Length	Language	Date
1	Morten Clausen	232	F#	2020-12-27 17:42:09

#	User	Length	Language	Date
1	Hidden user	175	Go	2021-04-05 05:55:49
2	Hidden user	241	Go	2021-01-24 17:58:15
3	Michael Hoffmann	415	Go	2021-05-11 20:20:36
4	Norbert Voelker	691	Go	2021-11-27 20:16:43

#	User	Length	Language	Date
1	Brent Yorgey	78	Haskell	2022-11-03 19:02:29
2	Aaron Lengyel	191	Haskell	2022-02-12 02:42:23
3	Steinar Simonnes	235	Haskell	2025-02-05 09:49:39
4	Ng Tek In	627	Haskell	2022-08-30 19:07:05
5	Hidden user	658	Haskell	2022-08-31 23:50:07

#	User	Length	Language	Date
1	Wojciech T	268	Java	2020-11-06 15:34:26
2	Ethan Maher	276	Java	2020-10-29 00:24:02
3	Hidden user	279	Java	2020-08-27 13:03:03
4	Dylan Smith	281	Java	2020-08-12 02:48:49
5	Daniel Al Sayegh	289	Java	2025-11-09 13:35:09
6	Enrico Miotto	295	Java	2020-11-21 19:16:53
7	John Huddleston	302	Java	2024-01-31 01:26:49
8	John Huddleston	302	Java	2024-01-31 02:21:39
9	Tyler Kerch	304	Java	2020-11-04 23:44:18
10	Anton Sandin	310	Java	2022-05-02 09:31:17

#	User	Length	Language	Date
1	Bas Dirks	603	JavaScript (Node.js)	2021-12-26 08:33:31
2	Kenneth Chen	1053	JavaScript (Node.js)	2022-07-09 17:32:13

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	62	JavaScript (SpiderMonkey)	2023-02-26 09:28:06
2	Bjørn Chr. Soltvedt	139	JavaScript (SpiderMonkey)	2022-08-30 20:09:03

#	User	Length	Language	Date
1	Timothy Gaede	181	Julia	2024-08-22 05:39:45

#	User	Length	Language	Date
1	Phường Lên	351	Kotlin	2020-04-15 09:15:05
2	Adam Rankin	429	Kotlin	2023-04-23 20:26:56

#	User	Length	Language	Date
1	Shehab Ahmed Hatem	88	Lua	2023-11-16 19:33:53
2	Zeheng Li	102	Lua	2023-12-04 22:27:45

#	User	Length	Language	Date
1	Justin Kruskie	162	PHP	2021-01-17 03:09:19
2	Saginaw George	230	PHP	2021-01-17 13:50:18

#	User	Length	Language	Date
1	Johan Lyts	93	Python 2	2020-03-21 15:10:40
2	Andreas Björklund	100	Python 2	2020-03-29 15:59:52
3	Sivasankaran D	102	Python 2	2026-01-11 05:56:56
4	Godmar Back	115	Python 2	2020-03-14 19:40:11
5	Yanmarshus Bachtiar	115	Python 2	2020-10-18 02:22:59
6	Lars Åström	153	Python 2	2020-03-25 14:26:40
7	Anders Larsson	244	Python 2	2022-01-03 20:53:59
8	Måns Magnusson	297	Python 2	2020-08-26 23:39:55
9	Maj Stenmark	297	Python 2	2020-08-28 22:05:39

#	User	Length	Language	Date
1	Lee Isaac	62	Python 3	2022-11-09 12:13:50
2	Morten Clausen	62	Python 3	2023-01-27 12:46:02
3	Charles Ancheta	62	Python 3	2023-03-18 03:55:13
4	Daniel Keyes	62	Python 3	2023-03-24 00:35:08
5	Jason Liu	62	Python 3	2023-04-19 23:09:10
6	Clement Oh	62	Python 3	2023-05-06 08:26:35
7	Nicholas Russell Saerang	62	Python 3	2023-08-16 14:34:30
8	Hugo Söderbergh	62	Python 3	2024-03-14 21:41:36
9	Guk Yi Siong	62	Python 3	2024-05-12 07:30:06
10	Taylor Rodríguez	62	Python 3	2025-05-11 06:44:48

#	User	Length	Language	Date
1	Thomas Feld	51	Ruby	2023-08-29 11:50:29
2	Nicholas Russell Saerang	57	Ruby	2023-08-16 15:06:04
3	Hidden user	65	Ruby	2020-09-23 04:25:03
4	apt	87	Ruby	2021-11-11 15:15:33

#	User	Length	Language	Date
1	Ryan Mueller	506	Rust	2023-02-10 15:28:26
2	Alpha	645	Rust	2024-10-13 07:38:53
3	Isak Jägberg	805	Rust	2020-10-22 20:15:32
4	Judith Hemp	1057	Rust	2021-01-25 18:31:50
5	Eric Pinter	1104	Rust	2022-05-10 04:42:36
6	Muhammad Rais Fathin Mudzakir	3838	Rust	2021-06-07 00:20:10
7	Daniel Anker Hermansen	20675	Rust	2023-05-28 18:47:22

Solution running time distribution