Problem A
The Amazing Human Cannonball — Problem Statistics

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Submissions	7943
Accepted submissions	4745
Submission ratio	59.74%
Authors	4530
Full solves [?]	4331
Full solve Ratio	95.61%

#	User	Runtime	Language	Date
1	Robert Low	0.02 s	C#	2016-08-15 15:51:59
2	Gerardas Karnila	0.02 s	C#	2017-01-15 15:15:40
3	Benjamin Bilbeau	0.02 s	C#	2017-02-10 15:57:56
4	Jens Mossig	0.02 s	C#	2017-02-12 02:21:55
5	Khin Nyunt	0.02 s	C#	2017-04-09 06:34:44
6	Hidden user	0.02 s	C#	2017-04-16 19:05:01
7	Rasmus Brants	0.02 s	C#	2017-04-23 18:57:28
8	Erik Rantala	0.02 s	C#	2017-04-28 02:43:14
9	Ólafur Andri	0.02 s	C#	2017-06-04 13:49:10
10	Klas af Geijerstam	0.02 s	C#	2017-06-04 18:50:42

#	User	Runtime	Language	Date
1	John Dandy	0.01 s	Common Lisp	2020-01-31 05:52:15
2	wibi	0.01 s	Common Lisp	2020-08-19 09:35:36
3	David Cawthon	0.02 s	Common Lisp	2019-04-14 04:30:54
4	Marcel Rød	0.02 s	Common Lisp	2019-05-21 10:02:14
5	Kevin Retzke	0.03 s	Common Lisp	2019-06-22 08:52:20

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2022-05-20 20:07:44

#	User	Runtime	Language	Date
1	Helgi Freyr	0.00 s	Fortran	2024-09-13 00:04:18

#	User	Runtime	Language	Date
1	Ross O'Sullivan	0.01 s	Go	2018-08-17 21:04:17
2	Markus Takalo	0.01 s	Go	2019-04-07 16:56:13
3	Temkin Abdulmelik	0.01 s	Go	2023-09-10 14:48:45
4	Hossein Jalili	0.01 s	Go	2025-06-04 10:44:36
5	Edrio Lich	0.02 s	Go	2018-10-15 13:49:42
6	Krzysztof Gibuła	0.02 s	Go	2019-01-16 23:35:40
7	Sander Hellesø	0.02 s	Go	2019-04-10 14:41:37
8	Hossein Khaliji	0.03 s	Go	2020-04-12 17:23:35
9	Matius Andreatna	0.03 s	Go	2020-04-17 07:11:46
10	Vu Nguyen Minh Hung	0.03 s	Go	2020-05-17 14:21:18

#	User	Runtime	Language	Date
1	Matthew Johnson	0.00 s	Haskell	2017-01-25 01:15:28
2	Sebastian Banert	0.00 s	Haskell	2023-08-01 13:49:36
3	Per K. Dahl	0.01 s	Haskell	2016-11-29 02:16:16
4	Johan Meier	0.01 s	Haskell	2016-12-26 15:51:51
5	Hidden user	0.01 s	Haskell	2017-01-29 15:48:42
6	John Grzechowiak	0.01 s	Haskell	2017-02-02 04:13:09
7	Isaac Arvestad	0.01 s	Haskell	2017-02-18 00:04:51
8	Andrew Mark Allen	0.01 s	Haskell	2017-02-22 18:51:59
9	César Antonio Carvajal de la Haza	0.01 s	Haskell	2017-05-01 02:00:24
10	Fran Cruz Zamorano	0.01 s	Haskell	2017-07-05 21:18:16

#	User	Runtime	Language	Date
1	William Fiset	0.05 s	Java	2016-09-23 14:37:39
2	Lee Heng Sheng	0.05 s	Java	2024-04-21 09:26:30
3	Omar Brome	0.06 s	Java	2016-08-04 22:17:32
4	Erik Baalhuis	0.06 s	Java	2016-08-05 22:14:19
5	Nick Wu	0.06 s	Java	2016-08-15 03:37:22
6	Hidden user	0.06 s	Java	2016-08-30 23:02:35
7	Martijn Muijsers	0.06 s	Java	2016-10-03 17:34:12
8	Hidden user	0.06 s	Java	2016-10-05 16:51:38
9	Finn Lidbetter	0.06 s	Java	2016-10-08 17:03:38
10	Anson Hu	0.06 s	Java	2016-10-23 20:06:29

#	User	Runtime	Language	Date
1	Carl Sundvall	0.05 s	JavaScript (Node.js)	2018-10-25 17:03:54
2	Gurpartap Singh Bhatti	0.05 s	JavaScript (Node.js)	2019-02-16 18:54:04
3	Hidden user	0.05 s	JavaScript (Node.js)	2019-06-01 12:22:24
4	Yassin Swag	0.05 s	JavaScript (Node.js)	2023-12-10 01:16:51
5	Hidden user	0.05 s	JavaScript (Node.js)	2024-11-27 06:36:21
6	José Lucas	0.06 s	JavaScript (Node.js)	2019-02-26 21:24:13
7	Đậu Huy Minh	0.09 s	JavaScript (Node.js)	2022-08-28 13:02:19
8	Chris Wong	0.41 s	JavaScript (Node.js)	2021-01-31 22:46:05
9	John	0.42 s	JavaScript (Node.js)	2020-07-18 06:10:16
10	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-09-30 17:43:53

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-07-11 10:14:26
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-07-27 12:55:44
3	Geir Magne Karlsen	0.01 s	JavaScript (SpiderMonkey)	2017-01-19 15:07:54
4	Michael Hjortholt	0.01 s	JavaScript (SpiderMonkey)	2017-07-11 12:55:09
5	Erik Nilsson	0.01 s	JavaScript (SpiderMonkey)	2017-07-11 20:12:16
6	Peter Menyes	0.01 s	JavaScript (SpiderMonkey)	2017-08-03 16:04:11
7	Davíð Helgason	0.01 s	JavaScript (SpiderMonkey)	2017-08-06 17:26:22
8	Martin Jay	0.01 s	JavaScript (SpiderMonkey)	2017-10-31 13:48:31
9	Nicklas Utgaard	0.01 s	JavaScript (SpiderMonkey)	2017-12-03 18:17:20
10	Dilawar Mahmood	0.01 s	JavaScript (SpiderMonkey)	2018-01-17 22:29:42

#	User	Runtime	Language	Date
1	Timothy Gaede	0.65 s	Julia	2024-03-29 03:35:39

#	User	Runtime	Language	Date
1	Albert Pala	0.12 s	Kotlin	2021-05-27 05:44:32
2	Jacob Huebner	0.14 s	Kotlin	2020-04-27 02:48:38
3	Dmitry Shostak	0.21 s	Kotlin	2018-08-28 14:11:26
4	Mark Mathis	0.22 s	Kotlin	2018-10-14 18:05:29
5	Adam Rankin	0.22 s	Kotlin	2023-04-25 01:29:24
6	MisterDerpie	0.23 s	Kotlin	2021-07-01 21:18:55
7	Jonathan Soo	0.24 s	Kotlin	2019-06-25 04:49:14
8	Benjamin Day	0.24 s	Kotlin	2024-11-09 21:41:12
9	Troy Warmboe	0.25 s	Kotlin	2020-02-05 20:27:04
10	Dayan Ruben Gonzalez	0.25 s	Kotlin	2020-09-28 21:30:34

#	User	Runtime	Language	Date
1	Sander de Haan	0.00 s	Lua	2025-05-08 15:52:33

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-05-09 00:41:15

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-08-06 08:34:42
2	David Connolly	0.00 s	Pascal	2021-12-03 12:48:26

#	User	Runtime	Language	Date
1	Saito Ta	0.01 s	Perl	2024-04-25 09:50:34

#	User	Runtime	Language	Date
1	Steven D. Wilson	0.01 s	PHP	2016-11-25 04:11:49
2	Tibor Szentmarjay	0.01 s	PHP	2017-03-17 22:21:37
3	Hidden user	0.01 s	PHP	2019-03-27 15:53:32
4	Helbin Grégory	0.01 s	PHP	2020-02-02 13:34:54
5	Thomas Marty	0.01 s	PHP	2021-01-25 01:31:05
6	Renate	0.01 s	PHP	2021-04-23 18:12:00

#	User	Runtime	Language	Date
1	Hadi Qovaizi	0.02 s	Prolog	2016-12-16 11:28:48
2	Andriy Zyevakov	0.02 s	Prolog	2019-05-26 10:13:39
3	Emilia Harr	0.02 s	Prolog	2019-10-25 22:42:22

#	User	Runtime	Language	Date
1	Hasan Kalzi	0.02 s	Python 2	2022-06-20 15:00:42
2	Christofer Ohlsson	0.03 s	Python 2	2016-07-07 11:04:49
3	Erik Sillén	0.03 s	Python 2	2016-09-28 15:08:49
4	Hasan Ramezani	0.03 s	Python 2	2016-10-04 21:52:08
5	Tomas Alvarez	0.03 s	Python 2	2016-11-23 01:01:23
6	Frederik Højholt	0.03 s	Python 2	2016-11-26 09:51:40
7	Evan Shi	0.03 s	Python 2	2016-12-03 03:11:16
8	Haggai Liu	0.03 s	Python 2	2016-12-28 21:25:24
9	Kristine Hein	0.03 s	Python 2	2017-01-10 18:37:05
10	Mathis Hammel	0.03 s	Python 2	2017-01-24 01:28:50

#	User	Runtime	Language	Date
1	Wayne	0.02 s	Python 3	2016-07-11 11:03:57
2	Nicole Hunkeapillar	0.02 s	Python 3	2016-09-05 22:03:23
3	Ludvig Pedersen	0.02 s	Python 3	2016-09-07 10:31:30
4	Hidden user	0.02 s	Python 3	2016-09-08 15:09:37
5	Tore Norderud	0.02 s	Python 3	2016-09-09 15:42:43
6	Mathias Rav	0.02 s	Python 3	2016-09-28 12:09:50
7	Jesper Nielsen	0.02 s	Python 3	2016-09-28 12:14:25
8	Casper Freksen	0.02 s	Python 3	2016-10-01 10:37:11
9	Svend Christian Svendsen	0.02 s	Python 3	2016-10-01 10:40:46
10	Asger Hautop Drewsen	0.02 s	Python 3	2016-10-01 10:42:36

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-10-06 18:49:36
2	Sam Henry	0.03 s	Ruby	2017-02-28 00:00:08
3	Charlie Egan	0.03 s	Ruby	2017-03-31 17:58:52
4	Thiện Đạt Ngô	0.03 s	Ruby	2017-06-02 05:53:50
5	Sonam Tenzin	0.03 s	Ruby	2017-07-11 14:01:30
6	Mona Dadoun	0.03 s	Ruby	2018-01-05 23:44:23
7	Paul Vinell	0.03 s	Ruby	2018-03-18 12:28:32
8	Jason Cheong-Kee-You	0.04 s	Ruby	2018-05-29 03:10:59
9	Daniel Harder	0.04 s	Ruby	2018-10-29 01:43:16
10	Hidden user	0.04 s	Ruby	2019-02-16 16:57:24

#	User	Length	Language	Date
1	Martin Blom	213	C	2023-09-23 20:16:21
2	Khawla Hbiech	317	C	2017-07-09 00:45:22
3	Mustapha Slimani	327	C	2020-04-28 01:02:28
4	Moulouad Ibtihaj	345	C	2019-03-10 22:47:02
5	James Christian Ruiz	366	C	2022-12-22 10:33:26
6	Houda Sassi	367	C	2017-07-08 23:02:22
7	Johan Öhlin	375	C	2017-06-26 15:48:19
8	Stephen Nicholas	382	C	2018-11-22 15:03:28
9	Sijmen J. Mulder	386	C	2019-09-06 23:21:19
10	pancrates	387	C	2017-10-11 14:24:25

#	User	Length	Language	Date
1	Mikael Palokangas	301	C#	2023-08-08 17:46:25
2	李陆屿	609	C#	2018-12-23 12:29:04
3	Göran Andersson	656	C#	2022-05-07 00:38:57
4	Armin Krauss	692	C#	2018-11-09 23:28:04
5	Niiwami	721	C#	2020-03-20 04:03:40
6	Kunwei Zhang	733	C#	2018-02-04 09:41:39
7	Aaron Velasco Leon	734	C#	2023-09-08 08:04:24
8	Alireza Nasrollahzadeh	755	C#	2018-06-09 19:25:17
9	Klas af Geijerstam	770	C#	2017-06-04 18:50:42
10	Josh Bryant	778	C#	2023-11-11 14:24:31

#	User	Length	Language	Date
1	Oisin Davey	313	C++	2018-08-07 20:27:25
2	Khawla Hbiech	315	C++	2019-03-09 13:44:56
3	son le thanh	321	C++	2020-11-27 14:41:16
4	HYADUKUONING ROQAL	321	C++	2022-11-17 08:34:56
5	Rizqy Alfiannova	322	C++	2017-01-19 04:29:32
6	Fajar Yuda Apriliano	325	C++	2018-10-08 18:01:45
7	Adham Hammoda	331	C++	2020-03-26 14:55:50
8	Richard Putra	334	C++	2017-11-22 12:31:29
9	Way Tan	336	C++	2018-11-27 10:31:32
10	Iles Illés Tamás	340	C++	2019-07-17 13:01:45

#	User	Length	Language	Date
1	wibi	355	Common Lisp	2020-08-19 09:35:36
2	Kevin Retzke	417	Common Lisp	2019-06-22 08:52:20
3	David Cawthon	430	Common Lisp	2019-04-14 04:30:54
4	John Dandy	630	Common Lisp	2020-01-31 05:52:15
5	Marcel Rød	817	Common Lisp	2019-05-21 10:02:14

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	710	F#	2022-05-20 20:07:44

#	User	Length	Language	Date
1	Helgi Freyr	677	Fortran	2024-09-13 00:05:06

#	User	Length	Language	Date
1	Matius Andreatna	397	Go	2020-04-17 07:11:46
2	Alejandro Germain	401	Go	2018-10-05 14:24:22
3	Theo Coyne Morgan	408	Go	2019-03-23 05:03:22
4	Hidden user	424	Go	2021-12-13 23:36:48
5	Robin Malmström	431	Go	2021-10-01 15:11:21
6	Neal McCarthy	473	Go	2018-04-23 02:42:06
7	Kok Dith	476	Go	2021-07-30 16:44:07
8	Adam Smith	555	Go	2017-02-15 23:31:26
9	Lim Ming Yean	592	Go	2018-11-15 07:02:18
10	Andi Baso Annas	609	Go	2020-09-07 17:17:13

#	User	Length	Language	Date
1	Fran Cruz Zamorano	300	Haskell	2017-07-05 21:18:16
2	Tim Put	304	Haskell	2021-04-18 23:45:23
3	Patrick Bahr	314	Haskell	2018-11-25 11:07:26
4	Llaurence Git	329	Haskell	2018-11-07 15:28:56
5	Sebastian Banert	344	Haskell	2023-08-01 13:49:36
6	Phan Ngọc Tiên	384	Haskell	2022-03-26 07:45:08
7	Morten Clausen	409	Haskell	2018-12-31 20:20:16
8	Øyvind Almli	410	Haskell	2021-01-08 14:40:14
9	Freek van Keulen	412	Haskell	2021-02-06 10:07:58
10	Christos Kontas	429	Haskell	2019-06-27 14:13:26

#	User	Length	Language	Date
1	Adam Abdalla	515	Java	2017-01-27 02:44:02
2	Brennan Cleland	548	Java	2022-11-20 07:25:41
3	Sergio Ramirez	554	Java	2017-01-27 18:37:08
4	Krishna Prasad Sharma	561	Java	2019-04-10 09:51:15
5	Qritel Abdelilah	562	Java	2017-04-24 03:11:31
6	Duncan Page	563	Java	2018-11-08 21:12:32
7	Hidden user	573	Java	2020-03-14 16:20:02
8	Natalie Longtin	580	Java	2018-01-08 20:27:36
9	Hidden user	581	Java	2018-12-06 19:35:45
10	Pedro Contipelli	583	Java	2016-10-03 07:00:42

#	User	Length	Language	Date
1	Antoine Bauri	616	JavaScript (Node.js)	2021-02-21 17:09:54
2	José Lucas	625	JavaScript (Node.js)	2019-02-26 21:24:13
3	Chris Wong	650	JavaScript (Node.js)	2021-01-31 22:46:05
4	Yassin Swag	715	JavaScript (Node.js)	2023-12-10 01:16:51
5	Hidden user	813	JavaScript (Node.js)	2024-11-27 06:36:21
6	Đậu Huy Minh	895	JavaScript (Node.js)	2022-08-28 13:02:19
7	Andrei James Drice	903	JavaScript (Node.js)	2022-04-24 07:24:11
8	Hidden user	940	JavaScript (Node.js)	2019-06-01 12:22:24
9	Khin Nyunt	956	JavaScript (Node.js)	2021-11-17 17:31:18
10	Andoko Chandra	965	JavaScript (Node.js)	2020-09-30 17:43:53

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	154	JavaScript (SpiderMonkey)	2022-11-09 09:02:23
2	Jimmy Gustafsson	266	JavaScript (SpiderMonkey)	2022-06-15 09:32:05
3	Evan Magill	281	JavaScript (SpiderMonkey)	2024-04-19 04:55:46
4	Bjørn Chr. Soltvedt	288	JavaScript (SpiderMonkey)	2016-07-27 12:55:44
5	Peter Kedemo	425	JavaScript (SpiderMonkey)	2016-07-11 10:14:26
6	Bernard Perrin	436	JavaScript (SpiderMonkey)	2019-01-19 21:53:50
7	Robin Livesey	464	JavaScript (SpiderMonkey)	2018-04-15 15:55:21
8	Martin Jay	537	JavaScript (SpiderMonkey)	2017-10-31 13:48:31
9	Ilmars Lacplesis	537	JavaScript (SpiderMonkey)	2018-04-05 16:29:03
10	Rolands	541	JavaScript (SpiderMonkey)	2020-05-22 00:46:00

#	User	Length	Language	Date
1	Timothy Gaede	1190	Julia	2024-03-29 03:35:39

#	User	Length	Language	Date
1	Colin Gay	387	Kotlin	2019-05-23 22:31:25
2	Dmitry Shostak	446	Kotlin	2018-08-28 14:11:26
3	Benjamin Day	502	Kotlin	2024-11-09 21:41:12
4	Dayan Ruben Gonzalez	517	Kotlin	2020-09-28 21:30:34
5	Mark Mathis	550	Kotlin	2018-10-14 18:05:29
6	Troy Warmboe	568	Kotlin	2020-02-05 20:27:04
7	Jonathan Soo	648	Kotlin	2019-06-25 04:49:14
8	Jacob Huebner	696	Kotlin	2020-03-24 14:59:13
9	Hidden user	708	Kotlin	2020-03-09 22:36:20
10	Neil Harmon	813	Kotlin	2019-04-02 10:54:25

#	User	Length	Language	Date
1	Sander de Haan	487	Lua	2025-05-08 15:52:33

#	User	Length	Language	Date
1	Hidden user	1000	Odin	2025-05-09 00:41:15

#	User	Length	Language	Date
1	Ingemar Ragnemalm	495	Pascal	2017-08-06 08:34:42
2	David Connolly	580	Pascal	2021-12-03 12:48:26

#	User	Length	Language	Date
1	Saito Ta	195	Perl	2024-04-25 09:50:34

#	User	Length	Language	Date
1	Renate	383	PHP	2021-04-23 18:12:00
2	Steven D. Wilson	417	PHP	2016-11-25 04:11:49
3	Thomas Marty	476	PHP	2021-01-25 01:31:05
4	Tibor Szentmarjay	610	PHP	2017-03-17 22:21:37
5	Helbin Grégory	717	PHP	2020-02-02 13:34:54
6	Hidden user	938	PHP	2019-03-27 15:53:32

#	User	Length	Language	Date
1	Andriy Zyevakov	690	Prolog	2019-05-26 10:13:39
2	Emilia Harr	1625	Prolog	2019-10-25 22:42:22
3	Hadi Qovaizi	7500	Prolog	2016-12-16 11:28:48

#	User	Length	Language	Date
1	Thomas Feld	195	Python 2	2019-08-19 14:53:01
2	Hidden user	262	Python 2	2018-01-06 07:06:33
3	Abdulselam Hassen	266	Python 2	2019-11-19 17:35:47
4	Haggai Liu	270	Python 2	2016-12-28 21:25:24
5	Andreas Björklund	270	Python 2	2021-03-23 16:15:44
6	Mathis Hammel	275	Python 2	2017-01-24 01:28:50
7	Geson Chong	284	Python 2	2017-03-21 14:19:57
8	Jesper Öqvist	307	Python 2	2018-10-18 19:54:40
9	Johann Ly	310	Python 2	2018-03-08 09:16:17
10	Catalin Popa	318	Python 2	2018-11-05 18:23:15

#	User	Length	Language	Date
1	Hidden user	162	Python 3	2025-08-27 11:55:49
2	Vilhelm	168	Python 3	2023-03-13 11:36:22
3	Tommi Järvenpää	168	Python 3	2024-03-20 14:16:35
4	Jonathan	183	Python 3	2024-09-20 05:41:05
5	Ahmed Chamseddine	188	Python 3	2024-03-21 15:34:31
6	M Base 2	208	Python 3	2020-07-04 12:11:37
7	Hidden user	210	Python 3	2024-05-09 10:54:16
8	Farzam Abrishami	211	Python 3	2023-07-16 20:26:34
9	Joar Bertholdsson	213	Python 3	2023-03-12 17:40:20
10	Markus Mathiasen	217	Python 3	2022-12-07 13:49:52

#	User	Length	Language	Date
1	Thomas Feld	140	Ruby	2022-11-02 11:00:06
2	Régis Hanol	224	Ruby	2022-01-07 10:11:57
3	Sam Henry	248	Ruby	2017-02-28 00:00:08
4	노승현	258	Ruby	2019-05-07 20:06:35
5	Daniel Harder	264	Ruby	2018-10-29 01:43:16
6	Jason Cheong-Kee-You	300	Ruby	2018-05-29 03:10:59
7	Sonam Tenzin	314	Ruby	2017-07-11 14:01:30
8	Casper Christensen	321	Ruby	2016-10-06 18:49:36
9	Hidden user	327	Ruby	2019-02-16 16:57:24
10	Macdara mac an tSionnaigh	360	Ruby	2019-09-17 17:17:16

#	User	Length	Language	Date
1	Vincent Lagerros	380	Rust	2024-12-07 21:01:26
2	Artur Khuziakhmetov	536	Rust	2023-08-04 08:09:04
3	Emil Dichmann	702	Rust	2025-08-25 20:28:38
4	Bas Dirks	737	Rust	2022-01-15 22:43:07
5	Robert Dumitrescu	755	Rust	2018-12-14 18:20:45
6	Not Gate	757	Rust	2019-10-17 20:37:14
7	Hovig Manjikian	773	Rust	2020-01-04 00:08:17
8	Chaoyi Yin	795	Rust	2019-03-18 19:28:27
9	Simon Grünwald	814	Rust	2023-07-14 00:50:42
10	Nathaniel Risum	822	Rust	2025-10-14 12:04:46

Solution running time distribution