Problem A
Popularity Contest — Problem Statistics

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Submissions	1728
Accepted submissions	1130
Submission ratio	65.39%
Authors	847
Full solves [?]	796
Full solve Ratio	93.98%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.01 s	C	2021-10-09 10:19:41
2	Agis Daniels	0.01 s	C	2021-12-07 01:06:01
3	Harald Toft	0.01 s	C	2022-06-27 13:53:43
4	Marcus Friberg	0.01 s	C	2022-09-26 21:38:11
5	Eyleifur Bjarkason	0.01 s	C	2023-08-14 21:38:15
6	Joacim Wärn	0.01 s	C	2025-07-05 11:37:30
7	Caeden Whitaker	0.06 s	C	2021-10-27 21:57:44
8	arda atci	0.06 s	C	2022-04-12 21:03:32
9	Matthew Weston	0.06 s	C	2022-05-17 16:45:18
10	Brian lua	0.06 s	C	2022-05-21 19:00:18

#	User	Runtime	Language	Date
1	Artemy Gavrilov	0.14 s	C#	2024-02-09 18:34:54
2	Gregory Sinclair	0.15 s	C#	2023-11-26 22:06:14
3	Umar Rasyid	0.31 s	C#	2025-06-24 20:50:52
4	Hailey Hable	0.46 s	C#	2022-03-11 22:08:57
5	Henrik Hallbert	0.47 s	C#	2022-04-21 13:57:26
6	Anthony Ye	0.51 s	C#	2023-03-19 17:46:23
7	Yuwono Bangun Nagoro	0.52 s	C#	2022-03-22 04:16:53
8	Eric Weiss	0.52 s	C#	2022-06-20 20:19:44
9	Esty Crow	0.52 s	C#	2023-03-17 05:09:44
10	Hidden user	0.55 s	C#	2021-11-06 01:20:15

#	User	Runtime	Language	Date
1	Frank Endriss	0.01 s	C++	2021-10-22 17:18:16
2	Agis Daniels	0.01 s	C++	2021-12-07 00:37:13
3	Jonathan Hallström	0.01 s	C++	2022-03-02 22:18:12
4	Henry Xia	0.01 s	C++	2022-05-13 19:35:41
5	Harrison Shen	0.02 s	C++	2021-10-20 17:39:10
6	Jakob Mollerup	0.02 s	C++	2022-01-30 04:59:41
7	Johan Sannemo	0.06 s	C++	2021-10-09 19:06:20
8	Heng Yi Qun	0.06 s	C++	2021-10-10 12:05:10
9	Hidden user	0.06 s	C++	2021-10-11 06:40:52
10	Nicholas Foo Chuan Le	0.06 s	C++	2021-10-13 13:02:34

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.60 s	F#	2022-07-17 17:13:10

#	User	Runtime	Language	Date
1	Ronas Jacob Coban Olsen	0.05 s	Go	2025-04-17 09:23:26
2	Norbert Voelker	0.15 s	Go	2021-10-21 11:02:55
3	Andriy Zyevakov	0.78 s	Go	2023-01-16 17:34:38

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.06 s	Haskell	2024-02-04 16:04:36
2	Jan Hrček	0.28 s	Haskell	2022-01-15 15:36:44
3	Brent Yorgey	0.66 s	Haskell	2021-10-26 12:55:41
4	Hidden user	0.85 s	Haskell	2021-10-31 16:18:33

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.09 s	Java	2023-02-11 16:50:57
2	Crystal Sharpe	0.10 s	Java	2021-10-31 05:45:10
3	Joachim Borup	0.10 s	Java	2021-11-02 16:11:02
4	Bjørn Dons	0.12 s	Java	2022-01-25 21:33:57
5	Andreas Guldborg Hansen	0.17 s	Java	2021-11-02 12:58:37
6	Anish Kambhampati	0.19 s	Java	2022-02-15 16:12:29
7	Jim Lembke	0.33 s	Java	2022-04-27 18:20:09
8	Ku Brian	0.33 s	Java	2024-05-11 15:16:22
9	Quân Anh	0.35 s	Java	2024-04-25 10:23:31
10	Hunter Mullen	0.36 s	Java	2025-05-15 20:18:46

#	User	Runtime	Language	Date
1	Ephrem Demelash	0.45 s	JavaScript (Node.js)	2022-12-15 09:21:33
2	John	0.66 s	JavaScript (Node.js)	2022-07-17 09:30:15
3	Niamh Limerick	0.91 s	JavaScript (Node.js)	2022-02-24 20:58:06
4	Chris Wong	0.98 s	JavaScript (Node.js)	2022-01-12 17:49:58

#	User	Runtime	Language	Date
1	Christian Cederquist	0.26 s	JavaScript (SpiderMonkey)	2023-01-15 16:31:28
2	Jimmy Gustafsson	0.27 s	JavaScript (SpiderMonkey)	2022-06-18 22:50:20
3	Bjørn Chr. Soltvedt	0.30 s	JavaScript (SpiderMonkey)	2021-10-12 13:37:42
4	Zach Tschetter	0.48 s	JavaScript (SpiderMonkey)	2023-04-23 00:20:22

#	User	Runtime	Language	Date
1	Timothy Gaede	0.72 s	Julia	2024-05-10 16:20:05

#	User	Runtime	Language	Date
1	Jacob Huebner	0.24 s	Kotlin	2022-03-09 19:04:14
2	Witte, Chet	0.24 s	Kotlin	2022-03-13 01:42:17
3	Nicholas Johnson	0.49 s	Kotlin	2021-11-16 04:48:58
4	Sam Keyser	0.56 s	Kotlin	2022-09-09 01:24:18
5	Martijn Muijsers	0.61 s	Kotlin	2024-05-31 18:38:23
6	Adam Rankin	0.69 s	Kotlin	2023-05-03 05:34:11
7	Malcolm Johnson	0.76 s	Kotlin	2022-09-08 23:25:36
8	Sergey Jakobsen	0.87 s	Kotlin	2021-10-27 23:56:21
9	Troy Warmboe	0.97 s	Kotlin	2023-04-12 03:46:08

#	User	Runtime	Language	Date
1	Sebastian Banert	0.07 s	OCaml	2024-08-09 15:50:33

#	User	Runtime	Language	Date
1	Yanmarshus Bachtiar	0.13 s	Python 2	2021-10-31 08:16:12
2	Hasan Kalzi	0.14 s	Python 2	2022-06-18 22:19:32
3	Agis Daniels	0.16 s	Python 2	2021-12-07 01:02:53
4	Andreas Björklund	0.22 s	Python 2	2021-11-11 21:48:45
5	Johan Lyts	0.22 s	Python 2	2022-04-19 15:15:49

#	User	Runtime	Language	Date
1	Sim Yin Ci	0.08 s	Python 3	2022-04-16 05:15:53
2	Petr	0.09 s	Python 3	2024-10-07 16:32:33
3	Lai Zhuoyuan	0.12 s	Python 3	2023-04-02 02:18:18
4	Firman Syah	0.12 s	Python 3	2024-12-16 01:28:32
5	Rebecca Jackson	0.12 s	Python 3	2025-02-05 22:55:30
6	ro011110ot	0.13 s	Python 3	2025-08-08 12:44:02
7	Marcel Rød	0.14 s	Python 3	2021-10-21 13:24:11
8	Hidden user	0.14 s	Python 3	2022-04-16 05:39:44
9	Pan Boyi	0.14 s	Python 3	2022-11-12 04:58:48
10	Henrik Hallbert	0.15 s	Python 3	2022-04-21 16:32:16

#	User	Runtime	Language	Date
1	Thomas Feld	0.47 s	Ruby	2022-11-25 13:14:21
2	TobiasZ	0.53 s	Ruby	2022-01-25 20:28:37

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2024-07-14 20:24:55
2	Jonathan Choi	0.02 s	Rust	2024-02-09 18:29:14
3	Aaron Lengyel	0.04 s	Rust	2021-10-29 23:49:23
4	Erik Magnusson	0.04 s	Rust	2024-02-03 18:50:41
5	Magix	0.05 s	Rust	2022-01-03 22:03:07
6	Akemi Izuko	0.05 s	Rust	2023-09-05 06:30:48
7	Jonathan Hallström	0.06 s	Rust	2022-05-18 19:57:44
8	Pankajkumar Patro	0.06 s	Rust	2024-09-16 15:45:22
9	Bas Dirks	0.07 s	Rust	2022-01-04 12:06:09
10	Isak Jägberg	0.07 s	Rust	2024-10-29 13:18:29

#	User	Length	Language	Date
1	Hidden user	283	C	2024-10-27 23:16:58
2	Matthew Weston	337	C	2022-05-17 16:45:18
3	arda atci	369	C	2022-04-12 21:03:32
4	Andrew Roberts	379	C	2022-05-22 22:06:01
5	Simon Baeckelant	399	C	2023-12-07 06:31:10
6	Marcus Friberg	417	C	2022-09-26 21:12:26
7	Caeden Whitaker	420	C	2021-10-27 21:57:44
8	Brian lua	434	C	2022-05-21 19:00:18
9	Harald Toft	568	C	2022-06-27 13:50:17
10	Kien Pham	589	C	2023-04-06 02:05:13

#	User	Length	Language	Date
1	Gregory Sinclair	262	C#	2023-11-26 22:06:14
2	Anthony Ye	525	C#	2023-03-19 17:46:23
3	Esty Crow	529	C#	2023-03-17 05:09:44
4	Artemy Gavrilov	736	C#	2024-02-09 18:34:54
5	Hailey Hable	758	C#	2022-03-24 07:54:24
6	Göran Andersson	793	C#	2022-05-13 18:49:57
7	Eric Weiss	825	C#	2022-06-20 20:19:44
8	Umar Rasyid	996	C#	2025-06-24 20:50:52
9	Hidden user	1124	C#	2021-11-06 01:20:15
10	Yuwono Bangun Nagoro	1173	C#	2022-03-22 04:16:53

#	User	Length	Language	Date
1	Chance Parsons	160	C++	2023-02-07 19:05:22
2	Đậu Huy Minh	215	C++	2022-11-24 05:41:50
3	黃太陽	260	C++	2022-07-27 11:04:19
4	TÂM ĐOÀN HỮU ĐẮC	263	C++	2025-09-04 12:10:56
5	Vladyslav Reznikov	270	C++	2022-08-13 15:39:30
6	Adelin Bojan	273	C++	2021-10-26 20:06:03
7	Daniel Rasmussen	275	C++	2023-04-11 22:14:47
8	Artemis Ngoh	278	C++	2022-10-03 11:07:49
9	Joel Niemelä	280	C++	2022-01-02 20:36:43
10	黄红滔	282	C++	2023-04-12 03:19:49

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	738	F#	2022-07-17 17:17:11

#	User	Length	Language	Date
1	Andriy Zyevakov	545	Go	2023-01-16 17:34:38
2	Ronas Jacob Coban Olsen	588	Go	2025-04-17 09:23:26
3	Norbert Voelker	648	Go	2021-10-21 11:02:55

#	User	Length	Language	Date
1	Jan Hrček	823	Haskell	2022-01-15 15:36:44
2	Steinar Simonnes	901	Haskell	2024-02-04 16:05:09
3	Brent Yorgey	7998	Haskell	2021-10-26 12:55:41
4	Hidden user	15073	Haskell	2021-10-31 16:18:33

#	User	Length	Language	Date
1	Carter Henderson	437	Java	2021-10-21 18:25:51
2	Ben Cobb	543	Java	2022-11-14 18:31:28
3	Jim Lembke	567	Java	2022-01-28 23:07:52
4	Jonas Moll	584	Java	2022-06-25 21:41:43
5	Jeffrey H.	588	Java	2022-10-20 00:47:42
6	Artashes Tonoyan	630	Java	2022-01-18 12:32:55
7	Hayden Walker	647	Java	2021-11-04 00:21:09
8	Doug Goodman	649	Java	2021-10-09 17:02:50
9	Nathan Nguyen	670	Java	2022-03-30 20:52:21
10	Shenoy Suraj Bantwal	673	Java	2023-10-31 11:25:38

#	User	Length	Language	Date
1	Ephrem Demelash	788	JavaScript (Node.js)	2022-12-15 09:21:33
2	John	821	JavaScript (Node.js)	2022-07-17 09:30:15
3	Chris Wong	939	JavaScript (Node.js)	2022-01-12 17:49:58
4	Niamh Limerick	1267	JavaScript (Node.js)	2022-02-24 20:58:06

#	User	Length	Language	Date
1	Jimmy Gustafsson	247	JavaScript (SpiderMonkey)	2022-06-18 22:50:20
2	Christian Cederquist	262	JavaScript (SpiderMonkey)	2023-01-15 16:31:28
3	Bjørn Chr. Soltvedt	303	JavaScript (SpiderMonkey)	2021-10-12 13:37:42
4	Zach Tschetter	386	JavaScript (SpiderMonkey)	2023-04-23 00:20:22

#	User	Length	Language	Date
1	Timothy Gaede	565	Julia	2024-05-10 16:20:05

#	User	Length	Language	Date
1	Sergey Jakobsen	323	Kotlin	2021-10-28 00:03:09
2	Malcolm Johnson	329	Kotlin	2022-09-08 23:22:27
3	Adam Rankin	414	Kotlin	2023-05-03 05:34:11
4	Sam Keyser	525	Kotlin	2022-09-09 01:24:18
5	Troy Warmboe	610	Kotlin	2023-04-12 03:46:08
6	Martijn Muijsers	669	Kotlin	2024-05-31 18:38:23
7	Jacob Huebner	1113	Kotlin	2022-03-09 19:04:14
8	Witte, Chet	1113	Kotlin	2022-03-13 01:42:17
9	Nicholas Johnson	2205	Kotlin	2021-11-16 04:48:58

#	User	Length	Language	Date
1	Sebastian Banert	476	OCaml	2024-08-09 15:50:33

#	User	Length	Language	Date
1	Johan Lyts	203	Python 2	2022-04-19 15:15:49
2	Andreas Björklund	214	Python 2	2021-11-11 21:48:45
3	Yanmarshus Bachtiar	289	Python 2	2021-10-31 08:16:12
4	Agis Daniels	441	Python 2	2021-12-07 01:02:53
5	Hasan Kalzi	487	Python 2	2022-01-05 15:22:06

#	User	Length	Language	Date
1	Adam Levav	133	Python 3	2023-01-25 02:27:22
2	Thomas Feld	143	Python 3	2022-08-25 13:24:02
3	Harry Zhang	147	Python 3	2023-01-03 12:13:50
4	David Aldenbro	149	Python 3	2025-07-02 10:23:23
5	Lieu Jia Jun Nicholas	151	Python 3	2022-04-16 05:18:31
6	Yong Mao	151	Python 3	2022-11-27 02:30:57
7	Rachel Krohn	153	Python 3	2025-03-23 18:22:35
8	Yohannes Melese	155	Python 3	2022-09-14 20:07:42
9	Hidden user	158	Python 3	2021-10-10 01:44:26
10	Charles Ancheta	158	Python 3	2023-03-27 22:08:01

#	User	Length	Language	Date
1	Thomas Feld	72	Ruby	2022-11-25 13:14:21
2	TobiasZ	253	Ruby	2022-01-25 20:26:54

#	User	Length	Language	Date
1	David Rasch	640	Rust	2021-10-18 14:29:19
2	Freek van Keulen	713	Rust	2021-12-23 09:05:03
3	Ng Tek In	773	Rust	2022-08-11 08:21:41
4	Bas Dirks	810	Rust	2022-01-04 12:06:09
5	Hidden user	866	Rust	2021-10-24 12:05:28
6	Pankajkumar Patro	875	Rust	2024-09-16 15:45:22
7	Eric Pinter	1268	Rust	2021-10-30 04:44:14
8	Isak Jägberg	1287	Rust	2024-10-29 13:18:29
9	Akemi Izuko	1352	Rust	2023-09-05 06:30:48
10	Magix	1358	Rust	2022-01-03 22:03:07

Solution running time distribution