Problem A
Moderate Pace — Problem Statistics

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Submissions	1874
Accepted submissions	1139
Submission ratio	60.78%
Authors	1058
Full solves [?]	1016
Full solve Ratio	96.03%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.08 s	Bash	2024-04-09 13:55:05

#	User	Runtime	Language	Date
1	Benny Antonsson	0.03 s	C#	2022-09-17 14:36:06
2	Gregory Sinclair	0.03 s	C#	2022-12-30 19:03:56
3	Erik Algesten	0.03 s	C#	2023-01-17 10:49:42
4	Maykal Droshev	0.04 s	C#	2023-06-30 11:04:03
5	Esty Crow	0.04 s	C#	2023-09-10 16:50:30
6	Anthony Ye	0.04 s	C#	2023-09-10 17:47:10
7	Julio Moscon	0.04 s	C#	2024-03-09 20:06:14
8	Jan Matthiessen	0.04 s	C#	2024-03-30 21:13:47
9	Dennis Stegnell	0.05 s	C#	2024-03-28 22:07:39
10	traxex	0.05 s	C#	2024-04-19 16:09:02

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2022-10-30 10:43:28

#	User	Runtime	Language	Date
1	Norbert Voelker	0.02 s	Go	2022-09-22 22:11:03
2	Ian Howell	0.03 s	Go	2023-05-24 22:46:49
3	Jimmy Nejtron	0.03 s	Go	2023-09-06 16:15:26
4	Win Htet Aung	0.06 s	Go	2022-11-13 05:18:25

#	User	Runtime	Language	Date
1	Øyvind Almli	0.00 s	Haskell	2023-09-10 16:24:43
2	Brent Yorgey	0.01 s	Haskell	2022-09-27 21:52:11
3	Ng Tek In	0.01 s	Haskell	2022-09-30 20:45:08
4	Jan Hrček	0.01 s	Haskell	2022-11-13 16:30:01
5	Sebastian Paaske Tørholm	0.01 s	Haskell	2022-12-26 18:03:53
6	Brian Hwang	0.01 s	Haskell	2023-04-06 21:25:56
7	Greg Rosser	0.01 s	Haskell	2023-08-07 20:09:27
8	Daniel Cabral	0.01 s	Haskell	2023-08-13 12:22:58
9	Henrik Olsen Eide	0.01 s	Haskell	2023-08-13 13:35:26
10	Sebastian Banert	0.01 s	Haskell	2023-08-31 00:40:06

#	User	Runtime	Language	Date
1	Lee Heng Sheng	0.05 s	Java	2024-05-26 08:56:42
2	Crystal Sharpe	0.06 s	Java	2022-09-18 23:40:34
3	Sven Rönnbäck	0.06 s	Java	2022-11-26 21:52:53
4	Stela Palii	0.06 s	Java	2024-11-29 05:25:53
5	Daniel Gutierrez Duarte	0.06 s	Java	2025-03-21 16:27:27
6	Issa Issack	0.07 s	Java	2024-04-20 07:07:02
7	Sawyer Stanley	0.08 s	Java	2022-11-27 14:03:04
8	Goh Zhixuan Jeremiah	0.08 s	Java	2025-02-08 08:30:59
9	Julius Griebel	0.09 s	Java	2023-11-26 17:42:20
10	Ku Brian	0.09 s	Java	2024-04-29 08:04:43

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	JavaScript (Node.js)	2024-08-24 05:22:16
2	Hidden user	0.05 s	JavaScript (Node.js)	2024-09-25 01:38:46

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2022-09-27 09:11:05
2	Evan Magill	0.02 s	JavaScript (SpiderMonkey)	2024-04-13 19:20:37
3	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-06-10 09:46:05
4	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2022-12-31 10:52:53
5	Nicklas Utgaard	0.03 s	JavaScript (SpiderMonkey)	2023-01-02 14:59:33

#	User	Runtime	Language	Date
1	Timothy Gaede	0.69 s	Julia	2024-03-29 02:54:09
2	Danny Robinson	0.71 s	Julia	2023-09-01 15:19:33

#	User	Runtime	Language	Date
1	Adam Rankin	0.22 s	Kotlin	2023-05-04 07:48:07
2	Emil Wihlander	0.23 s	Kotlin	2023-07-24 17:43:27
3	Zaw Myat	0.23 s	Kotlin	2024-01-28 11:54:08
4	Troy Warmboe	0.24 s	Kotlin	2023-04-11 02:23:42
5	Martijn Muijsers	0.24 s	Kotlin	2024-05-28 10:15:57
6	Ola Sundell	0.28 s	Kotlin	2023-07-23 15:29:42
7	Clinton Walker	0.29 s	Kotlin	2022-09-25 00:40:46
8	Aksel Holbek Sørbye	0.30 s	Kotlin	2022-09-23 22:22:13
9	Sergey Jakobsen	0.31 s	Kotlin	2022-12-03 03:01:19

#	User	Runtime	Language	Date
1	Fredrik Eriksson	0.00 s	OCaml	2024-10-24 20:15:42

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-04-30 20:29:30

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2022-12-09 12:01:42
2	David Connolly	0.00 s	Pascal	2023-03-14 15:34:38

#	User	Runtime	Language	Date
1	Saito Ta	0.01 s	Perl	2024-04-09 03:05:47

#	User	Runtime	Language	Date
1	Andre Wahyudi	0.01 s	PHP	2022-12-02 04:04:23
2	Renate	0.01 s	PHP	2023-07-04 22:13:39

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.03 s	Prolog	2023-02-22 18:34:04
2	Andriy Zyevakov	0.03 s	Prolog	2024-04-16 12:11:20

#	User	Runtime	Language	Date
1	Johan Lyts	0.03 s	Python 2	2022-11-19 15:15:29
2	Yanmarshus Bachtiar	0.03 s	Python 2	2023-02-15 09:07:26

#	User	Runtime	Language	Date
1	Petras Kanapinskas	0.04 s	Python 3	2022-09-17 12:35:20
2	Peter Stauder	0.04 s	Python 3	2022-09-18 21:31:13
3	Luis Enrique Cortijo Gonzales	0.04 s	Python 3	2024-09-04 07:21:30
4	XZANATOL	0.04 s	Python 3	2024-09-13 17:44:07
5	Erik Svendsmark	0.04 s	Python 3	2024-09-15 10:05:31
6	Jacob Lee	0.04 s	Python 3	2024-09-25 06:07:56
7	Nhu Di Nguyen	0.04 s	Python 3	2024-09-25 07:10:43
8	Nathan Weiss	0.04 s	Python 3	2024-09-26 17:58:51
9	Roman Terzi	0.04 s	Python 3	2024-09-30 22:20:12
10	Rebecca Jackson	0.04 s	Python 3	2024-10-02 19:38:38

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2022-11-14 14:15:04
2	Miorel Palii	0.06 s	Ruby	2023-01-07 07:33:59
3	Chenzhang Hu	0.13 s	Ruby	2025-09-22 15:40:18

#	User	Length	Language	Date
1	Chenzhang Hu	68	Bash	2025-09-13 00:48:18

#	User	Length	Language	Date
1	Martin Blom	218	C	2023-10-15 22:58:53
2	MADHUMITHA K	536	C	2025-04-20 16:55:08
3	Divya A	560	C	2025-04-11 16:17:21
4	Eyleifur Bjarkason	600	C	2023-07-12 12:35:15
5	Hidden user	661	C	2024-12-04 17:24:57
6	紅茶	676	C	2023-03-03 15:26:27
7	Carolina Eriksson	716	C	2023-01-08 05:56:18
8	Børge Bjørnstadjordet	724	C	2024-06-26 15:01:35
9	Ata Kırcadağ	736	C	2025-04-12 20:58:42
10	Malin Grevillius	771	C	2024-12-31 13:29:00

#	User	Length	Language	Date
1	traxex	471	C#	2024-04-19 16:09:02
2	Anthony Ye	591	C#	2023-09-10 17:47:10
3	Deci Bel	673	C#	2025-05-02 16:33:35
4	Esty Crow	683	C#	2023-09-10 16:50:30
5	Michael Damsgaard	780	C#	2024-11-16 17:53:24
6	Benjamin Bilbeau	812	C#	2023-12-12 20:08:49
7	Nicholas Hood	858	C#	2024-10-25 00:25:54
8	Julio Moscon	920	C#	2024-03-09 20:06:14
9	Ahmet Murat Gençay	938	C#	2023-09-03 17:04:52
10	Jan Matthiessen	943	C#	2024-03-30 21:13:47

#	User	Length	Language	Date
1	Tyler Fernando	220	C++	2022-11-21 10:26:01
2	Yeung Man Tsung	288	C++	2022-11-27 15:27:21
3	Teikn Smith	309	C++	2022-10-06 00:38:42
4	Adomas Juodis	319	C++	2024-06-01 18:35:52
5	Alexander Skidanov	321	C++	2024-10-31 22:46:25
6	Lim An Jun	327	C++	2023-01-21 11:51:28
7	Guk Yi Siong	331	C++	2023-07-30 05:51:19
8	Samuel Tan	337	C++	2022-12-08 14:41:05
9	Sari Amin	347	C++	2022-09-17 15:03:35
10	David Marcos	358	C++	2025-04-03 12:36:23

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	612	F#	2022-10-30 10:43:28

#	User	Length	Language	Date
1	Win Htet Aung	399	Go	2022-11-13 05:18:25
2	Jimmy Nejtron	504	Go	2023-09-06 16:15:26
3	Ian Howell	582	Go	2023-05-24 22:46:49
4	Norbert Voelker	697	Go	2022-09-22 22:11:03

#	User	Length	Language	Date
1	Rudy Matela	109	Haskell	2024-04-21 19:13:26
2	Brent Yorgey	115	Haskell	2022-09-27 21:58:11
3	Øyvind Almli	182	Haskell	2023-09-10 16:13:23
4	Daniel Cabral	187	Haskell	2023-08-13 12:22:58
5	Henrik Olsen Eide	256	Haskell	2023-08-13 13:35:26
6	Sebastian Banert	257	Haskell	2023-08-31 00:40:06
7	Sebastian Paaske Tørholm	258	Haskell	2022-12-26 18:03:53
8	Steinar Simonnes	273	Haskell	2024-01-22 09:14:39
9	Brian Hwang	468	Haskell	2023-04-06 21:25:56
10	Hidden user	497	Haskell	2023-01-10 13:08:55

#	User	Length	Language	Date
1	Jason Liu	391	Java	2023-09-03 22:32:44
2	Jackson Simoneau	528	Java	2025-03-16 01:42:34
3	Josh Henderson	533	Java	2022-10-05 19:25:24
4	Hunter Mullen	540	Java	2025-02-06 06:27:40
5	Alex Rudzenis	567	Java	2023-07-31 12:39:36
6	Terry Morris	578	Java	2024-06-18 01:27:13
7	Jonas Moll	594	Java	2022-11-05 17:40:12
8	Henry Fong	598	Java	2022-11-07 00:07:52
9	Arup Ratan Guha	615	Java	2024-05-30 17:02:51
10	Martha E.	629	Java	2024-11-22 21:46:38

#	User	Length	Language	Date
1	Hidden user	739	JavaScript (Node.js)	2024-09-25 01:38:46
2	Hidden user	777	JavaScript (Node.js)	2024-08-24 05:22:16

#	User	Length	Language	Date
1	Jimmy Gustafsson	166	JavaScript (SpiderMonkey)	2024-06-10 09:46:05
2	Evan Magill	223	JavaScript (SpiderMonkey)	2024-04-13 19:20:37
3	Christian Pilegaard Cederquist	244	JavaScript (SpiderMonkey)	2022-12-31 10:52:53
4	Bjørn Chr. Soltvedt	268	JavaScript (SpiderMonkey)	2022-09-27 09:11:05
5	Nicklas Utgaard	620	JavaScript (SpiderMonkey)	2023-01-02 14:59:33

#	User	Length	Language	Date
1	Danny Robinson	111	Julia	2023-09-01 15:19:33
2	Timothy Gaede	711	Julia	2024-03-29 02:54:09

#	User	Length	Language	Date
1	Sergey Jakobsen	296	Kotlin	2022-12-03 03:08:41
2	Troy Warmboe	399	Kotlin	2023-04-11 02:23:42
3	Adam Rankin	433	Kotlin	2023-05-04 07:48:07
4	Clinton Walker	457	Kotlin	2022-09-25 00:40:46
5	Martijn Muijsers	538	Kotlin	2024-05-28 10:15:57
6	Ola Sundell	543	Kotlin	2023-07-23 15:29:42
7	Aksel Holbek Sørbye	563	Kotlin	2022-09-23 22:22:13
8	Emil Wihlander	623	Kotlin	2023-07-24 17:43:27
9	Zaw Myat	713	Kotlin	2024-01-28 11:54:08

#	User	Length	Language	Date
1	Fredrik Eriksson	497	OCaml	2024-10-24 20:15:42

#	User	Length	Language	Date
1	Hidden user	726	Odin	2025-04-30 20:29:30

#	User	Length	Language	Date
1	Ingemar Ragnemalm	703	Pascal	2022-12-09 12:01:42
2	David Connolly	1320	Pascal	2023-03-14 15:34:38

#	User	Length	Language	Date
1	Saito Ta	115	Perl	2024-04-09 03:05:47

#	User	Length	Language	Date
1	Renate	312	PHP	2023-07-04 22:13:39
2	Andre Wahyudi	901	PHP	2022-12-02 04:04:23

#	User	Length	Language	Date
1	Hakan Kjellerstrand	552	Prolog	2023-02-22 18:34:04
2	Andriy Zyevakov	761	Prolog	2024-04-16 12:11:20

#	User	Length	Language	Date
1	Yanmarshus Bachtiar	232	Python 2	2023-02-15 09:07:26
2	Johan Lyts	233	Python 2	2022-11-19 15:15:29

#	User	Length	Language	Date
1	Clement Oh	79	Python 3	2023-06-29 20:48:56
2	Benjamin Z White	81	Python 3	2023-04-19 09:45:05
3	Thomas Draper	84	Python 3	2023-06-05 07:14:21
4	Sarek Høverstad Skotåm	85	Python 3	2022-10-02 02:11:35
5	Lawry Sorenson	86	Python 3	2023-07-27 23:42:18
6	Casper Rysgaard	90	Python 3	2022-10-20 12:53:50
7	Tai Tze Kin	92	Python 3	2024-05-01 12:53:08
8	Hidden user	93	Python 3	2023-07-30 03:58:56
9	Tobias Glimmerfors	97	Python 3	2025-08-01 20:08:58
10	Hidden user	100	Python 3	2023-06-12 18:14:48

#	User	Length	Language	Date
1	Thomas Feld	61	Ruby	2023-01-05 11:52:17
2	Miorel Palii	83	Ruby	2023-01-07 07:36:45
3	Chenzhang Hu	169	Ruby	2025-09-22 15:40:18

#	User	Length	Language	Date
1	Vincent Lagerros	448	Rust	2024-12-23 17:02:56
2	Emil Dichmann	506	Rust	2025-09-15 07:39:00
3	David Rasch	640	Rust	2022-10-07 11:36:36
4	Kristian Sørensen	717	Rust	2022-12-23 22:28:12
5	Thomas	726	Rust	2023-08-11 20:45:09
6	Isak Jägberg	777	Rust	2023-04-13 17:04:38
7	Pankajkumar Patro	818	Rust	2024-08-31 13:03:07
8	Nathaniel Risum	958	Rust	2025-03-28 12:51:16
9	Hovig Manjikian	1213	Rust	2023-10-18 12:01:37
10	Bas Dirks	1252	Rust	2022-11-21 11:08:35

Solution running time distribution