Problem A
Batmanacci — Problem Statistics

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Submissions	11566
Accepted submissions	2769
Submission ratio	23.94%
Authors	2303
Full solves [?]	1955
Full solve Ratio	84.89%

#	User	Runtime	Language	Date
1	Raul Kooter	0.02 s	C#	2016-12-11 22:08:53
2	Louis Rivera	0.02 s	C#	2020-09-21 18:12:04
3	Hidden user	0.02 s	C#	2021-01-18 22:35:57
4	Hidden user	0.04 s	C#	2023-09-19 01:44:17
5	Trevor Williams	0.04 s	C#	2023-09-19 04:48:16
6	Hidden user	0.04 s	C#	2023-09-19 05:11:26
7	Hidden user	0.04 s	C#	2023-09-19 19:37:21
8	Mikayla Widner	0.04 s	C#	2023-09-20 04:57:24
9	Aiden Van Dyke	0.04 s	C#	2023-09-20 10:10:37
10	Jaden Rosoff	0.04 s	C#	2023-09-21 05:19:43

#	User	Runtime	Language	Date
1	Nathan Lee	0.00 s	Go	2025-10-29 22:12:57
2	Dennis Svedberg	0.07 s	Go	2019-04-13 20:23:31
3	Norbert Voelker	0.08 s	Go	2021-08-23 00:44:14
4	Yitian Wang	0.89 s	Go	2023-01-26 02:54:10

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2018-04-14 06:41:59
2	Fumiaki Takagi	0.00 s	Haskell	2023-02-15 02:21:03
3	Steinar Simonnes	0.00 s	Haskell	2025-01-21 08:12:59
4	Benjamin Darnell	0.01 s	Haskell	2021-04-30 02:53:01

#	User	Runtime	Language	Date
1	Leon Wang	0.04 s	Java	2024-09-11 03:52:58
2	Taras Romanyuk	0.04 s	Java	2024-09-15 13:04:52
3	Sayam Goyal	0.04 s	Java	2025-09-26 05:12:54
4	Micah Stairs	0.05 s	Java	2016-12-23 17:26:02
5	Martijn Muijsers	0.05 s	Java	2017-05-15 13:51:51
6	Erik Baalhuis	0.05 s	Java	2017-08-28 22:04:42
7	Jack Fang	0.05 s	Java	2024-09-10 22:22:58
8	Alvin Lee	0.05 s	Java	2024-09-11 04:57:30
9	harshvardhan sharma	0.05 s	Java	2024-09-20 02:04:07
10	Nick Wu	0.06 s	Java	2016-04-26 06:10:06

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.60 s	JavaScript (SpiderMonkey)	2023-06-19 16:42:55

#	User	Runtime	Language	Date
1	Hidden user	0.49 s	Julia	2025-09-05 21:04:45
2	Timothy Gaede	0.62 s	Julia	2024-09-07 07:32:11

#	User	Runtime	Language	Date
1	Allen Guan	0.13 s	Kotlin	2022-04-08 09:20:46
2	Benjamin Ye	0.14 s	Kotlin	2022-11-04 22:47:30
3	Adam Rankin	0.21 s	Kotlin	2023-09-22 22:53:16
4	Ali M. Nekoh	0.23 s	Kotlin	2025-06-05 13:02:26
5	Kyle Wong	0.70 s	Kotlin	2020-11-12 21:01:24
6	Phường Lên	0.72 s	Kotlin	2020-03-15 01:44:03
7	Luca Mueller	0.79 s	Kotlin	2024-09-18 22:05:21
8	Hidden user	0.97 s	Kotlin	2020-03-14 21:28:07

#	User	Runtime	Language	Date
1	Joel Newman	0.00 s	OCaml	2023-10-14 01:21:09

#	User	Runtime	Language	Date
1	Renate	0.01 s	PHP	2023-09-13 03:11:53

#	User	Runtime	Language	Date
1	Manshant Singh Kohli	0.02 s	Python 2	2016-09-02 10:42:52
2	Haggai Liu	0.02 s	Python 2	2017-06-13 07:33:39
3	Yan Kalchevsky	0.03 s	Python 2	2017-02-14 22:15:26
4	Sigurður Jens Albertsson	0.03 s	Python 2	2017-11-09 23:44:46
5	Olav Røthe Bakken	0.03 s	Python 2	2019-09-11 17:20:41
6	Dinu Rares Mihai	0.03 s	Python 2	2020-08-16 18:02:19
7	Johan Lyts	0.03 s	Python 2	2020-10-12 15:17:04
8	Andreas Björklund	0.03 s	Python 2	2020-10-25 10:12:40
9	Ana Anderlič	0.03 s	Python 2	2021-04-11 16:41:54
10	Jasun Chen	0.03 s	Python 2	2021-05-13 04:40:06

#	User	Runtime	Language	Date
1	Ayoub Chegraoui	0.02 s	Python 3	2018-08-27 00:06:49
2	Raymond van Venetie	0.02 s	Python 3	2019-05-03 17:48:49
3	Jerrell Ezralemuel	0.02 s	Python 3	2019-07-22 16:37:40
4	Isaac Lee	0.02 s	Python 3	2019-08-14 16:26:16
5	Garfield Tong	0.02 s	Python 3	2019-10-31 17:17:41
6	Raymond Yang	0.02 s	Python 3	2019-11-09 16:08:23
7	Jón Steinn Elíasson	0.03 s	Python 3	2017-06-28 16:16:28
8	Sergey Pashkovsky	0.03 s	Python 3	2018-01-03 13:41:51
9	Jocelin Hounon	0.03 s	Python 3	2019-02-09 21:24:45
10	Mick Gielen	0.03 s	Python 3	2019-04-30 10:55:28

#	User	Runtime	Language	Date
1	Ignacio Castellano Vega	0.07 s	Ruby	2025-10-07 11:09:26
2	Hidden user	0.33 s	Ruby	2019-03-22 12:35:43
3	Thomas Feld	0.43 s	Ruby	2023-06-23 09:26:18
4	Hidden user	0.45 s	Ruby	2023-09-20 05:55:30

#	User	Runtime	Language	Date
1	Florian Nagel	0.00 s	Rust	2019-11-28 16:58:58
2	Marcel Wienöbst	0.00 s	Rust	2019-11-29 12:04:07
3	Sinjin	0.00 s	Rust	2023-09-19 20:59:09
4	Jonathan Choi	0.00 s	Rust	2024-03-18 01:49:09
5	Egor Kulikov	0.00 s	Rust	2025-02-04 13:01:05
6	Vincent Lagerros	0.00 s	Rust	2025-06-05 00:44:07
7	Lukas Dutrieux	0.00 s	Rust	2025-09-23 01:01:28
8	Joe Blower	0.00 s	Rust	2025-11-25 18:36:23

#	User	Length	Language	Date
1	Arturo Chaidez III	479	C	2020-09-22 17:08:50
2	Jolicia Aicila Marie Pamintuan	489	C	2018-03-21 16:48:57
3	Ng Wei Jie	489	C	2020-02-17 14:32:41
4	Hidden user	489	C	2020-10-07 15:51:35
5	Hidden user	499	C	2017-08-01 11:48:51
6	Anirudh Edupuganti	509	C	2020-09-22 22:10:05
7	Jón Steinn Elíasson	513	C	2017-06-28 16:48:35
8	Shaleen Bengani	513	C	2017-10-28 16:44:49
9	Ali Yesilkaya	513	C	2018-03-15 22:01:47
10	Ralph Martin Montero	513	C	2018-03-26 14:39:33

#	User	Length	Language	Date
1	RecompiledBirds	677	C#	2026-01-16 03:47:23
2	Man Wai Lam	729	C#	2023-09-22 01:38:37
3	Aaron Kendell	731	C#	2023-09-21 23:19:16
4	Rachel Albert	860	C#	2023-09-21 22:14:32
5	Samuel Christensen	938	C#	2023-09-21 05:34:37
6	Artemy Gavrilov	1001	C#	2024-03-16 22:37:33
7	Trevor Thomas Tresner	1056	C#	2023-09-19 03:48:38
8	Hidden user	1085	C#	2023-09-15 06:19:45
9	William	1135	C#	2023-09-17 01:14:47
10	Kevin Tann	1135	C#	2023-09-22 06:01:18

#	User	Length	Language	Date
1	Angela Qian	226	C++	2025-02-10 05:35:27
2	Atharva Kerkar	272	C++	2025-02-09 23:12:50
3	William Gan	309	C++	2018-04-12 17:21:12
4	a_b__c	336	C++	2021-03-06 20:46:49
5	M_SQRT	348	C++	2024-02-09 03:40:17
6	Antoni Guz	379	C++	2018-05-19 00:45:04
7	Ruiqi Yang	382	C++	2022-11-16 09:25:33
8	丁哲宇	388	C++	2024-08-21 04:28:39
9	Zane Yu	397	C++	2018-12-27 13:34:10
10	Minh Nguyen	397	C++	2019-03-29 20:43:49

#	User	Length	Language	Date
1	Nathan Lee	649	Go	2025-10-29 22:12:57
2	Dennis Svedberg	693	Go	2019-04-13 20:23:31
3	Yitian Wang	1030	Go	2023-01-26 02:54:10
4	Norbert Voelker	1079	Go	2021-08-23 00:44:14

#	User	Length	Language	Date
1	Benjamin Darnell	428	Haskell	2021-04-30 02:53:01
2	Brent Yorgey	609	Haskell	2018-04-14 06:41:59
3	Steinar Simonnes	767	Haskell	2025-01-21 08:12:59
4	Fumiaki Takagi	1115	Haskell	2023-02-15 02:21:03

#	User	Length	Language	Date
1	Jiru Xu	543	Java	2016-11-01 03:23:18
2	Paul Boddington	626	Java	2016-04-26 02:22:22
3	Yik Haw Teoh	664	Java	2023-09-03 20:13:55
4	Finn Lidbetter	690	Java	2016-07-19 21:23:03
5	Hidden user	697	Java	2016-04-26 03:02:34
6	Nariman Ayoubi	697	Java	2023-06-02 10:36:56
7	Jason Yuan	709	Java	2016-06-11 00:06:40
8	Hing Lung Lam	710	Java	2022-04-05 08:40:01
9	Hieu Tran	725	Java	2024-11-28 00:44:43
10	Ivan Dario	737	Java	2017-09-01 19:22:37

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	484	JavaScript (SpiderMonkey)	2023-06-19 16:42:55

#	User	Length	Language	Date
1	Hidden user	544	Julia	2025-09-05 21:04:45
2	Timothy Gaede	819	Julia	2024-09-07 07:32:11

#	User	Length	Language	Date
1	Benjamin Ye	593	Kotlin	2022-11-04 21:46:27
2	Luca Mueller	702	Kotlin	2024-09-17 22:43:17
3	Phường Lên	751	Kotlin	2020-03-15 01:44:03
4	Ali M. Nekoh	784	Kotlin	2025-06-05 13:02:26
5	Hidden user	789	Kotlin	2020-03-14 21:28:07
6	Kyle Wong	838	Kotlin	2020-11-12 21:01:24
7	Adam Rankin	856	Kotlin	2023-09-22 22:53:16
8	Allen Guan	961	Kotlin	2022-04-08 09:20:46

#	User	Length	Language	Date
1	Joel Newman	777	OCaml	2023-10-14 01:21:09

#	User	Length	Language	Date
1	Renate	575	PHP	2023-09-13 03:11:53

#	User	Length	Language	Date
1	Andreas Björklund	225	Python 2	2020-10-25 10:12:40
2	Johan Lyts	230	Python 2	2020-10-12 14:46:08
3	Kyle Weaver	262	Python 2	2017-12-01 19:55:15
4	Sergey Pashkovsky	272	Python 2	2018-01-02 10:28:17
5	Olav Røthe Bakken	303	Python 2	2019-09-11 17:20:41
6	Manshant Singh Kohli	354	Python 2	2016-09-02 10:42:52
7	Herbert Ilhan Tanujaya	354	Python 2	2019-03-24 13:49:54
8	Dinu Rares Mihai	356	Python 2	2020-08-16 18:02:19
9	Jasun Chen	362	Python 2	2021-05-13 04:40:06
10	Haggai Liu	382	Python 2	2017-06-13 07:33:39

#	User	Length	Language	Date
1	Tobias Glimmerfors	123	Python 3	2023-07-21 11:00:08
2	Elias Lundell	124	Python 3	2023-07-22 20:10:27
3	Guk Yi Siong	149	Python 3	2023-06-13 10:10:53
4	Peter Stauder	151	Python 3	2022-10-08 22:10:02
5	Jacob Toomey	155	Python 3	2023-11-24 09:35:45
6	Sander Oppen	160	Python 3	2024-12-26 19:10:13
7	成俊宏	163	Python 3	2023-04-20 18:25:10
8	Iman Khodadi	166	Python 3	2024-04-02 19:53:48
9	Keshav Dharshan	174	Python 3	2025-03-25 00:27:26
10	Christian Yongwhan Lim	186	Python 3	2023-06-15 14:23:34

#	User	Length	Language	Date
1	Thomas Feld	104	Ruby	2023-08-01 13:27:11
2	Hidden user	326	Ruby	2019-03-22 12:35:43
3	Hidden user	347	Ruby	2023-09-20 05:55:30
4	Ignacio Castellano Vega	380	Ruby	2025-10-07 11:12:53

#	User	Length	Language	Date
1	Vincent Lagerros	965	Rust	2025-06-05 00:44:07
2	Florian Nagel	1163	Rust	2019-11-28 16:58:58
3	Marcel Wienöbst	1163	Rust	2019-11-29 12:04:07
4	Lukas Dutrieux	1598	Rust	2025-09-23 01:01:28
5	Joe Blower	2062	Rust	2025-11-25 18:36:23
6	Jonathan Choi	2134	Rust	2024-03-18 01:49:09
7	Sinjin	3109	Rust	2023-09-19 20:59:09
8	Egor Kulikov	16993	Rust	2025-02-04 13:01:05

Solution running time distribution