Problem D
A1 Paper — Problem Statistics

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Submissions	10014
Accepted submissions	2927
Submission ratio	29.23%
Authors	2937
Accepted authors	2280
Author ratio	77.63%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.09 s	Bash	2024-04-16 15:59:42

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	C#	2015-04-26 13:24:20
2	Bas te Kolste	0.02 s	C#	2015-06-19 16:14:54
3	Jens Mossig	0.02 s	C#	2015-08-10 15:03:21
4	Samuel Wrååk	0.02 s	C#	2016-07-01 09:30:23
5	Bryan Shiffman	0.02 s	C#	2016-10-31 18:58:59
6	Patrik Blomqvist	0.02 s	C#	2017-02-11 11:40:02
7	Robert Warnestam	0.02 s	C#	2017-02-17 22:16:40
8	Tristan Close	0.02 s	C#	2017-03-15 22:00:03
9	Firas Al Omary	0.02 s	C#	2017-03-20 13:55:26
10	Greens Parker	0.02 s	C#	2017-06-22 22:03:17

#	User	Runtime	Language	Date
1	Thanh Dinh Ta	0.04 s	F#	2022-09-01 20:10:41
2	Morten Clausen	0.07 s	F#	2020-12-27 16:35:48

#	User	Runtime	Language	Date
1	Matthew Sheldon	0.00 s	Go	2023-07-30 04:18:10
2	Christoffer Danborg Irvall	0.02 s	Go	2019-05-05 20:34:16
3	Pyae Sone Min Naing	0.02 s	Go	2022-06-23 23:55:28
4	Stefan Samuelsson	0.02 s	Go	2022-10-24 10:13:44
5	Shiliang Tong	0.02 s	Go	2022-11-01 18:59:58
6	Hidden user	0.02 s	Go	2022-11-24 22:18:25
7	Andrew Gemmel	0.02 s	Go	2022-12-06 02:50:51
8	Cameron Otts	0.07 s	Go	2019-04-23 22:08:18
9	Charles Eli Gaitley	0.07 s	Go	2019-09-02 03:14:43
10	Kristoffer Åhgren	0.08 s	Go	2017-06-13 10:08:01

#	User	Runtime	Language	Date
1	Shreyas Jamadagni	0.04 s	Java	2025-03-05 09:21:59
2	Erik Odenman	0.05 s	Java	2015-04-26 12:25:43
3	Jens Ståhl	0.05 s	Java	2015-04-26 12:49:46
4	Robin Andersson	0.05 s	Java	2015-04-26 14:20:18
5	Richard Nysäter	0.05 s	Java	2015-04-26 14:24:24
6	Patrik Hörnqvist	0.05 s	Java	2015-09-05 19:47:50
7	Łukasz Antkowiak	0.05 s	Java	2015-09-15 23:48:23
8	Hidden user	0.05 s	Java	2015-09-21 10:13:35
9	Love Engman	0.05 s	Java	2015-10-03 14:45:28
10	Viktor Lindberg	0.05 s	Java	2015-10-03 16:48:10

#	User	Runtime	Language	Date
1	Will Cosley	0.04 s	JavaScript (Node.js)	2025-03-24 20:49:34
2	Kenneth Chen	0.08 s	JavaScript (Node.js)	2022-06-28 16:50:21
3	Emil Lindblom	0.08 s	JavaScript (Node.js)	2022-08-10 13:11:01
4	Oliver Larsson	0.08 s	JavaScript (Node.js)	2022-10-13 15:59:20
5	Samuel Högfeldt	0.09 s	JavaScript (Node.js)	2022-06-20 09:47:14
6	Brandon Alejandro Mosqueda González	0.09 s	JavaScript (Node.js)	2023-03-12 11:27:37

#	User	Runtime	Language	Date
1	Christian Svensson	0.01 s	JavaScript (SpiderMonkey)	2015-10-09 14:36:04
2	Hà Minh Ngọc	0.01 s	JavaScript (SpiderMonkey)	2016-07-29 03:13:03
3	Knut Salomonsson	0.01 s	JavaScript (SpiderMonkey)	2016-11-01 15:26:08
4	Tuomo Olavi	0.01 s	JavaScript (SpiderMonkey)	2018-04-05 14:32:53
5	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2022-08-09 20:01:01
6	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-02-15 14:49:17
7	Kārlis Gaņģis	0.03 s	JavaScript (SpiderMonkey)	2019-08-27 14:07:28

#	User	Runtime	Language	Date
1	Noszály Csaba	0.37 s	Julia	2025-03-05 12:29:39
2	Roman Gusarev	0.61 s	Julia	2023-05-28 18:29:05
3	Timothy Gaede	0.75 s	Julia	2024-07-17 11:46:19

#	User	Runtime	Language	Date
1	Jacob Huebner	0.11 s	Kotlin	2021-10-16 23:40:08
2	Adam Rankin	0.20 s	Kotlin	2023-09-23 20:12:43
3	Troy Warmboe	0.23 s	Kotlin	2020-02-06 00:28:18

#	User	Runtime	Language	Date
1	Klimenok Artem	0.00 s	Pascal	2018-05-08 23:55:02
2	Volker Schmidt	0.00 s	Pascal	2021-03-13 16:41:39

#	User	Runtime	Language	Date
1	Philippe Hubert	0.01 s	PHP	2024-01-02 15:04:00

#	User	Runtime	Language	Date
1	Fredrika Agestam	0.02 s	Python 2	2015-04-26 13:09:31
2	Mikael Hedin	0.02 s	Python 2	2015-05-12 21:45:08
3	Erik Odenman	0.02 s	Python 2	2015-05-14 11:40:53
4	Daniel Palmqvist	0.02 s	Python 2	2015-08-31 15:02:00
5	Johan Nilsson	0.02 s	Python 2	2015-10-06 20:02:14
6	Asger Hautop Drewsen	0.02 s	Python 2	2015-10-08 11:50:04
7	Urban Pettersson	0.02 s	Python 2	2015-10-26 20:20:10
8	Lim Hong Hui Eugene	0.02 s	Python 2	2016-07-29 02:40:43
9	Frederik Højholt	0.02 s	Python 2	2016-09-10 20:19:07
10	Oliver Petri	0.02 s	Python 2	2016-09-29 23:29:04

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Python 3	2015-04-26 12:02:44
2	Alex Loiko	0.02 s	Python 3	2015-04-26 13:57:49
3	Joakim Uddholm	0.02 s	Python 3	2015-04-26 14:11:24
4	Hidden user	0.02 s	Python 3	2015-04-29 19:14:39
5	Mikael Hedin	0.02 s	Python 3	2015-05-12 21:35:16
6	Fredrika Agestam	0.02 s	Python 3	2015-05-12 23:05:39
7	Alex Loiko	0.02 s	Python 3	2015-05-26 01:07:37
8	Alexandre Loiko	0.02 s	Python 3	2015-05-26 01:08:13
9	Casper Hagenaars	0.02 s	Python 3	2015-09-02 00:59:43
10	Bernt Johan Damslora	0.02 s	Python 3	2015-10-03 13:27:50

#	User	Runtime	Language	Date
1	Lee Tze Han	0.05 s	Ruby	2018-07-01 16:45:01
2	Thomas Feld	0.06 s	Ruby	2023-02-13 14:06:35

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-04-16 15:59:42

#	User	Length	Language	Date
1	TheACEofTrump	434	C	2022-11-16 04:21:20
2	Yang Li	442	C	2018-04-12 05:57:41
3	Joonatan Matias Lennart Saarhelo	463	C	2015-10-03 14:32:55
4	Hidden user	485	C	2024-03-06 12:58:56
5	Hrant Hovhannisyan	543	C	2017-03-26 13:22:56
6	Ivan Petrov	585	C	2019-11-22 15:50:26
7	Tor Storruste	595	C	2015-10-03 15:18:57
8	Hidden user	618	C	2023-12-31 15:56:21
9	pengin	639	C	2021-06-08 12:48:37
10	Noah Ó Donnaile	642	C	2017-03-20 18:56:20

#	User	Length	Language	Date
1	Andreas Hansson	890	C#	2019-03-11 14:53:21
2	Brian Scott	944	C#	2018-09-13 16:05:10
3	Wenlei Yu	965	C#	2025-01-21 18:47:16
4	Casper Christensen	968	C#	2019-06-01 18:08:18
5	Gustav Kalander	1280	C#	2018-09-19 22:31:21
6	Bas te Kolste	1358	C#	2015-06-19 16:14:54
7	Jens Mossig	1369	C#	2015-08-10 15:03:21
8	Hidden user	1413	C#	2018-05-28 15:46:38
9	Hugo Persson	1589	C#	2019-12-27 18:06:46
10	Vested	1633	C#	2024-09-12 05:02:33

#	User	Length	Language	Date
1	Frans Meulenbroeks	250	C++	2025-02-13 08:52:12
2	William Gan	351	C++	2017-04-16 19:37:04
3	Adrien	358	C++	2024-05-24 15:41:36
4	Jerrell Ezralemuel	368	C++	2019-09-11 20:35:06
5	Herman Karlsson	417	C++	2015-05-11 16:08:14
6	Jordan Lamkin	417	C++	2017-12-25 10:12:05
7	Jonas Ekskog	426	C++	2015-10-03 18:31:00
8	Li Yao'an	428	C++	2017-01-03 03:02:57
9	Hidden user	439	C++	2024-08-12 13:33:00
10	Jirachai Laiprasert	445	C++	2024-10-03 17:05:28

#	User	Length	Language	Date
1	Morten Clausen	637	F#	2020-12-27 16:35:48
2	Thanh Dinh Ta	954	F#	2022-09-01 20:10:41

#	User	Length	Language	Date
1	Hidden user	685	Go	2021-02-03 18:15:09
2	Charles Eli Gaitley	707	Go	2019-09-02 03:14:43
3	Kristoffer Åhgren	847	Go	2017-06-13 10:08:01
4	Cameron Otts	902	Go	2019-04-23 22:08:18
5	Christoffer Danborg Irvall	908	Go	2019-05-05 20:34:16
6	Matthew Sheldon	1001	Go	2023-07-30 04:18:10
7	Krzysztof Gibuła	1066	Go	2021-04-19 23:44:01
8	Hidden user	1178	Go	2022-11-24 22:18:25
9	Hidden user	1290	Go	2021-05-07 12:29:49
10	Norbert Voelker	1300	Go	2021-03-31 20:59:29

#	User	Length	Language	Date
1	Juan Miguel Vilar	161	Haskell	2023-09-01 15:27:26
2	Matthew Johnson	221	Haskell	2024-10-03 04:09:14
3	Lars Brünjes	350	Haskell	2023-01-30 12:50:21
4	Lukas Polacek	402	Haskell	2015-07-02 00:49:24
5	Antony Lee	500	Haskell	2018-10-20 00:09:08
6	Olle Eriksson	598	Haskell	2017-11-09 07:15:06
7	Lars Corbijn	612	Haskell	2015-12-18 22:48:45
8	Aaron Allen	650	Haskell	2021-06-17 04:21:25
9	Abel Martin	764	Haskell	2019-09-22 13:06:45
10	Brent Yorgey	819	Haskell	2017-11-09 05:24:58

#	User	Length	Language	Date
1	Stela Palii	478	Java	2022-03-27 20:24:11
2	Jayson Rook	518	Java	2016-09-30 05:37:56
3	Duncan Page	538	Java	2017-11-16 23:20:38
4	Pranish Pantha	541	Java	2020-08-19 18:59:07
5	Pedro Contipelli	618	Java	2018-09-13 07:26:12
6	Adam Abdalla	628	Java	2017-02-02 04:04:53
7	Doug Goodman	630	Java	2017-08-27 19:57:03
8	Robert Conde	641	Java	2018-09-17 13:58:02
9	Måns Magnusson	649	Java	2015-10-04 23:00:04
10	Nguyễn Mạnh Phúc	686	Java	2015-09-17 14:14:59

#	User	Length	Language	Date
1	Will Cosley	608	JavaScript (Node.js)	2025-03-24 20:49:34
2	Oliver Larsson	1148	JavaScript (Node.js)	2022-10-13 15:59:20
3	Kenneth Chen	1223	JavaScript (Node.js)	2022-06-28 16:50:21
4	Emil Lindblom	1420	JavaScript (Node.js)	2022-08-10 13:11:01
5	Brandon Alejandro Mosqueda González	1422	JavaScript (Node.js)	2023-03-12 11:27:37
6	Samuel Högfeldt	2324	JavaScript (Node.js)	2022-06-20 09:47:14

#	User	Length	Language	Date
1	Tuomo Olavi	469	JavaScript (SpiderMonkey)	2018-04-05 14:32:53
2	Knut Salomonsson	566	JavaScript (SpiderMonkey)	2016-11-01 15:26:08
3	Hà Minh Ngọc	611	JavaScript (SpiderMonkey)	2016-07-29 03:13:03
4	Kārlis Gaņģis	619	JavaScript (SpiderMonkey)	2019-08-27 14:07:28
5	Bjørn Chr. Soltvedt	627	JavaScript (SpiderMonkey)	2022-08-09 20:01:01
6	Christian Cederquist	666	JavaScript (SpiderMonkey)	2023-02-15 14:49:17
7	Christian Svensson	855	JavaScript (SpiderMonkey)	2015-10-09 14:36:04

#	User	Length	Language	Date
1	Noszály Csaba	463	Julia	2025-03-05 12:29:39
2	Roman Gusarev	637	Julia	2023-05-28 18:29:05
3	Timothy Gaede	2291	Julia	2024-07-17 11:46:19

#	User	Length	Language	Date
1	Troy Warmboe	929	Kotlin	2020-02-06 00:28:18
2	Jacob Huebner	1372	Kotlin	2021-10-16 23:40:08
3	Adam Rankin	1827	Kotlin	2023-09-23 20:12:43

#	User	Length	Language	Date
1	Klimenok Artem	714	Pascal	2018-05-08 23:55:02
2	Volker Schmidt	996	Pascal	2021-03-13 16:41:39

#	User	Length	Language	Date
1	Philippe Hubert	994	PHP	2024-01-02 15:04:00

#	User	Length	Language	Date
1	Linda Toomey	234	Python 2	2020-12-16 12:23:45
2	Thomas Feld	255	Python 2	2019-08-26 11:04:49
3	Erik Odenman	279	Python 2	2015-05-14 11:40:53
4	Asger Hautop Drewsen	286	Python 2	2015-10-08 11:50:04
5	Justin Su	316	Python 2	2018-02-16 06:49:14
6	Maj Stenmark	337	Python 2	2019-09-17 21:23:26
7	Jesper Öqvist	339	Python 2	2018-08-26 23:43:39
8	Andreas Björklund	339	Python 2	2018-12-13 06:48:25
9	Bertrand Evertz	339	Python 2	2019-07-19 14:11:30
10	Riko Jacob	351	Python 2	2019-03-06 03:53:15

#	User	Length	Language	Date
1	Dennis Christensen	109	Python 3	2022-11-01 03:45:35
2	Nils Löfberg	113	Python 3	2024-05-31 01:23:56
3	Erik Åman	129	Python 3	2022-12-11 01:05:06
4	Noah Hessen Bjerke	140	Python 3	2024-04-16 14:04:30
5	David Llorens	143	Python 3	2023-08-10 19:48:02
6	Robert Boerwinkle	149	Python 3	2025-02-24 07:27:49
7	Tobias Bessler	153	Python 3	2025-02-24 08:10:16
8	Ahmed Chamseddine	170	Python 3	2023-11-21 09:07:27
9	Foo Yong Qi	172	Python 3	2022-08-26 12:12:13
10	Clement Oh	183	Python 3	2024-03-14 07:53:41

#	User	Length	Language	Date
1	Thomas Feld	98	Ruby	2023-02-13 14:12:51
2	Lee Tze Han	641	Ruby	2018-07-01 16:45:01

#	User	Length	Language	Date
1	Artur Khuziakhmetov	683	Rust	2023-08-21 13:15:21
2	April Clark	805	Rust	2023-10-24 17:13:06
3	Miguel Roldán Muñoz	1086	Rust	2023-08-05 21:22:06
4	Dylan Dinh	1103	Rust	2022-08-25 00:08:40
5	Samuel Kyletoft	1183	Rust	2020-10-17 13:44:34
6	Jacob Borch Madsen	1184	Rust	2023-05-03 21:52:35
7	Hidden user	1232	Rust	2023-08-05 13:41:57
8	Hidden user	1418	Rust	2019-11-24 01:50:30
9	Nick Dolan	1488	Rust	2019-04-23 21:41:05
10	Borja Juan Marin	1789	Rust	2020-06-06 18:22:51

Solution running time distribution