Problem A
A Rank Problem — Problem Statistics

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Submissions	3589
Accepted submissions	1404
Submission ratio	39.12%
Authors	1434
Full solves [?]	1195
Full solve Ratio	83.33%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.08 s	Bash	2024-04-16 17:34:48

#	User	Runtime	Language	Date
1	Henrique Rodrigues	0.04 s	C#	2023-09-29 15:28:02
2	Ebert Roos	0.04 s	C#	2023-10-06 13:47:22
3	Anthony Ye	0.04 s	C#	2023-10-15 19:02:20
4	Nantus Groenewald	0.04 s	C#	2024-01-05 15:06:16
5	Drew Hudson	0.04 s	C#	2024-07-15 22:24:41
6	Josie	0.04 s	C#	2024-07-15 23:11:53
7	Mateo Salazar Mitchell	0.04 s	C#	2025-06-26 15:29:13
8	Albert Jende	0.04 s	C#	2025-11-19 14:04:07
9	Hidden user	0.05 s	C#	2024-08-22 14:14:22
10	William Isaksson	0.05 s	C#	2025-06-04 13:54:01

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2022-12-31 22:55:23

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-11-01 22:59:52
2	Kaden Empey	0.08 s	Go	2022-03-31 21:29:23

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Haskell	2023-01-21 02:54:09
2	Brent Yorgey	0.01 s	Haskell	2021-11-02 11:34:47
3	Øyvind Almli	0.01 s	Haskell	2021-11-19 10:47:09
4	Ng Tek In	0.01 s	Haskell	2022-08-28 06:01:40
5	Greg Gorlen	0.01 s	Haskell	2024-02-16 10:14:21
6	Oishik Ganguly	0.01 s	Haskell	2024-08-30 21:24:04

#	User	Runtime	Language	Date
1	ingyin san	0.04 s	Java	2024-10-01 12:08:36
2	Joshua Chin	0.04 s	Java	2025-06-20 10:10:26
3	Tan Guan Zhong	0.05 s	Java	2024-11-12 16:02:11
4	Dayne David Tang Yi Xuan	0.05 s	Java	2025-09-23 18:35:15
5	Goh Rui Jie, Ryan	0.05 s	Java	2025-09-24 10:25:32
6	Crystal Sharpe	0.06 s	Java	2022-03-14 05:32:07
7	Ola Kåre Risa	0.06 s	Java	2024-08-14 13:08:03
8	Mohamed Faizal S/O Mohamed Jamaludeen	0.06 s	Java	2024-09-20 08:28:24
9	Fong Kai Jie	0.06 s	Java	2024-09-22 11:07:01
10	Jovan Yo Shihao	0.06 s	Java	2024-09-23 03:23:29

#	User	Runtime	Language	Date
1	Daniel Iwan Kurniawan	0.04 s	JavaScript (Node.js)	2024-08-21 04:18:49
2	Erlend Raa Vågset	0.04 s	JavaScript (Node.js)	2025-10-24 13:41:53
3	Papa Kwame Segen Yeboah	0.05 s	JavaScript (Node.js)	2023-10-11 05:41:30
4	Marko Doroch	0.09 s	JavaScript (Node.js)	2022-11-10 04:23:59

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-03-13 13:03:41
2	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2021-10-29 13:43:00

#	User	Runtime	Language	Date
1	Hidden user	0.43 s	Julia	2025-03-09 15:24:02
2	Timothy Gaede	0.65 s	Julia	2024-08-15 07:52:23

#	User	Runtime	Language	Date
1	Jacob Huebner	0.15 s	Kotlin	2021-08-13 22:42:39
2	Adam Rankin	0.21 s	Kotlin	2023-04-28 19:25:52
3	Fabian Pijcke	0.21 s	Kotlin	2023-10-12 10:30:51
4	Ruben Smits	0.26 s	Kotlin	2025-09-24 08:39:35

#	User	Runtime	Language	Date
1	Susanne Ragnemalm	0.01 s	PHP	2023-10-13 07:45:42

#	User	Runtime	Language	Date
1	Thomas Feld	0.04 s	Python 3	2022-08-29 10:22:53
2	Mikael Fiala-Lundström	0.04 s	Python 3	2022-09-02 23:17:21
3	Mukerem Ali Nur	0.04 s	Python 3	2022-09-06 18:48:43
4	Benjamin Chu	0.04 s	Python 3	2022-09-15 21:59:06
5	Jada Lilleboe	0.04 s	Python 3	2022-09-15 22:29:41
6	Andrew Hoyle	0.04 s	Python 3	2022-09-22 01:06:26
7	Jaden Rodriguez	0.04 s	Python 3	2022-09-22 02:17:31
8	Kexuan Miao	0.04 s	Python 3	2022-10-04 05:42:06
9	Reece Yankey	0.04 s	Python 3	2022-10-15 19:42:08
10	Payton Klemens	0.04 s	Python 3	2022-10-15 19:57:32

#	User	Runtime	Language	Date
1	Miorel Palii	0.05 s	Ruby	2022-03-25 04:13:32
2	Thomas Feld	0.06 s	Ruby	2023-05-08 11:03:42

#	User	Runtime	Language	Date
1	Bas Dirks	0.00 s	Rust	2022-01-20 13:36:55
2	Artur Khuziakhmetov	0.00 s	Rust	2022-07-26 12:32:42
3	Daniel Anker Hermansen	0.00 s	Rust	2023-09-29 13:34:07
4	Carter Snook	0.00 s	Rust	2024-03-24 20:09:35
5	Muhammad Rais Fathin Mudzakir	0.00 s	Rust	2024-04-22 01:45:57
6	jaswanth	0.00 s	Rust	2024-07-02 05:23:44
7	Zachary DeStefano	0.00 s	Rust	2024-07-09 00:13:12
8	Calvin Gross	0.00 s	Rust	2025-10-26 18:21:08
9	Linus Tufvesson	0.06 s	Rust	2025-05-14 16:03:04
10	Erik Magnusson	0.18 s	Rust	2024-02-19 10:07:38

#	User	Length	Language	Date
1	Chenzhang Hu	1692	Bash	2024-04-16 17:34:48

#	User	Length	Language	Date
1	Wildan Risqi	793	C	2023-11-17 04:38:22
2	Andrew Roberts	809	C	2022-01-14 20:10:56
3	Alexander Bilde Pedersen	831	C	2024-12-16 21:55:05
4	Davis Crippa	845	C	2025-10-08 15:10:53
5	Hidden user	851	C	2024-02-19 16:52:35
6	Thư Hà	934	C	2023-08-19 17:11:27
7	Ahnaf Adib	961	C	2025-09-01 03:31:54
8	Stepanov Carol	978	C	2025-10-12 22:26:59
9	Kumara Ivan Anuraga	1005	C	2025-02-22 12:31:46
10	Judith Hemp	1375	C	2021-11-15 13:03:24

#	User	Length	Language	Date
1	Anthony Ye	838	C#	2023-10-15 19:02:20
2	Albert Jende	891	C#	2025-11-19 14:04:07
3	Drew Hudson	933	C#	2024-07-15 22:24:41
4	Esty Crow	1036	C#	2023-10-14 01:44:38
5	Mateo Salazar Mitchell	1088	C#	2025-06-26 15:29:13
6	William Isaksson	1218	C#	2025-06-04 13:54:01
7	Ebert Roos	1474	C#	2023-10-06 13:47:22
8	Hidden user	1629	C#	2024-08-22 14:14:22
9	Nantus Groenewald	1957	C#	2024-01-05 15:06:16
10	Hidden user	2115	C#	2022-08-18 09:52:16

#	User	Length	Language	Date
1	Evan Michael Bailey	381	C++	2024-01-29 21:54:57
2	Nguyễn Công Cường	421	C++	2022-07-12 12:51:53
3	Oh Yi Xiu, Wilson	428	C++	2024-01-27 10:14:05
4	Nahom Endalkachew	444	C++	2022-07-18 15:01:25
5	Pascal Zeihen	489	C++	2025-05-11 21:19:18
6	Nixon Widjaja	498	C++	2022-08-18 12:18:20
7	Grae Yeandle	523	C++	2022-10-22 09:28:03
8	Dmitry Lyubshin	530	C++	2023-03-31 12:23:16
9	Yash Mundra	549	C++	2023-01-05 22:20:03
10	人外沙耶	560	C++	2023-01-17 17:18:19

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	860	F#	2022-12-31 22:55:23

#	User	Length	Language	Date
1	Norbert Voelker	1216	Go	2021-11-01 22:59:52
2	Kaden Empey	1235	Go	2022-03-31 21:29:23

#	User	Length	Language	Date
1	Hidden user	618	Haskell	2023-01-21 02:54:09
2	Øyvind Almli	683	Haskell	2021-11-19 10:47:09
3	Ng Tek In	789	Haskell	2022-08-28 06:01:40
4	Greg Gorlen	975	Haskell	2024-02-16 10:14:21
5	Oishik Ganguly	5287	Haskell	2024-08-30 21:24:04
6	Brent Yorgey	8237	Haskell	2021-11-02 11:34:47

#	User	Length	Language	Date
1	Tharun N	639	Java	2025-03-29 04:12:43
2	Aidan Briggs	654	Java	2021-12-08 20:45:06
3	Hunter Mullen	666	Java	2025-02-24 05:39:57
4	Binh Dang	688	Java	2022-02-19 20:38:46
5	Hidden user	692	Java	2025-08-15 09:05:52
6	Raheja Arshelle	701	Java	2024-09-27 14:15:38
7	Jeremy Proksch	719	Java	2021-03-06 22:17:50
8	Suhas T. Nagar	746	Java	2023-01-22 22:38:12
9	Tan Guan Zhong	747	Java	2024-11-12 16:02:11
10	Marshall D Feng	749	Java	2022-01-23 22:05:13

#	User	Length	Language	Date
1	Erlend Raa Vågset	515	JavaScript (Node.js)	2025-10-24 13:41:53
2	Papa Kwame Segen Yeboah	946	JavaScript (Node.js)	2023-10-11 05:41:30
3	Marko Doroch	1067	JavaScript (Node.js)	2022-11-10 04:23:59
4	Daniel Iwan Kurniawan	1994	JavaScript (Node.js)	2024-08-21 04:18:49

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	404	JavaScript (SpiderMonkey)	2023-03-13 13:03:41
2	Bjørn Chr. Soltvedt	548	JavaScript (SpiderMonkey)	2021-10-29 13:43:00

#	User	Length	Language	Date
1	Hidden user	473	Julia	2025-03-09 15:24:02
2	Timothy Gaede	1580	Julia	2024-08-15 07:52:23

#	User	Length	Language	Date
1	Fabian Pijcke	428	Kotlin	2023-10-12 10:30:51
2	Ruben Smits	654	Kotlin	2025-09-24 08:39:35
3	Adam Rankin	780	Kotlin	2023-04-28 19:25:52
4	Jacob Huebner	1481	Kotlin	2021-08-13 22:42:39

#	User	Length	Language	Date
1	Susanne Ragnemalm	1888	PHP	2023-10-13 07:45:42

#	User	Length	Language	Date
1	Lawry Sorenson	159	Python 3	2025-07-02 23:17:12
2	Edvard Walde Heimdal	162	Python 3	2024-08-30 13:13:23
3	Tam Keng Hong	163	Python 3	2024-01-27 09:17:34
4	Lee Isaac	176	Python 3	2023-05-28 07:55:00
5	Benjamin Lienard	179	Python 3	2024-04-06 00:22:07
6	Hao Ye	179	Python 3	2024-04-06 00:25:47
7	Clement Oh	187	Python 3	2023-10-11 12:27:56
8	Oliver Ruste Jahren	190	Python 3	2023-07-14 10:24:51
9	Ole Vik Lysne	190	Python 3	2025-05-02 15:44:03
10	Yong Mao	191	Python 3	2022-11-20 02:29:31

#	User	Length	Language	Date
1	Thomas Feld	124	Ruby	2023-05-08 11:03:42
2	Miorel Palii	819	Ruby	2022-03-25 04:13:32

#	User	Length	Language	Date
1	Bas Dirks	1000	Rust	2022-01-20 13:36:55
2	Artur Khuziakhmetov	1141	Rust	2022-07-26 12:32:42
3	Carter Snook	1236	Rust	2024-03-24 20:09:35
4	jaswanth	1369	Rust	2024-07-02 05:23:44
5	Linus Tufvesson	1445	Rust	2025-05-14 16:03:04
6	Calvin Gross	1479	Rust	2025-10-26 18:21:08
7	Zachary DeStefano	1545	Rust	2024-07-09 00:13:12
8	Erik Magnusson	4622	Rust	2024-02-19 10:07:38
9	Muhammad Rais Fathin Mudzakir	6458	Rust	2024-04-22 01:45:57
10	Daniel Anker Hermansen	26607	Rust	2023-09-29 13:34:07

Solution running time distribution