Problem A
Hack-a-Holics — Problem Statistics

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Submissions	1485
Accepted submissions	1070
Submission ratio	72.05%
Authors	1017
Full solves [?]	1005
Full solve Ratio	98.82%

#	User	Runtime	Language	Date
1	Sebastian Banert	0.00 s	Ada	2025-08-26 23:11:18

#	User	Runtime	Language	Date
1	Matzuka	0.01 s	APL	2025-09-01 10:31:01
2	Ștefan-Iulian Alecu	0.02 s	APL	2025-11-15 01:07:24

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	Bash	2025-08-19 09:11:32
2	Danny Robinson	0.01 s	Bash	2025-09-07 22:11:54
3	Chenzhang Hu	0.01 s	Bash	2025-09-12 15:29:52
4	Frans Meulenbroeks	0.01 s	Bash	2026-01-28 12:07:49

#	User	Runtime	Language	Date
1	Deci Bel	0.04 s	C#	2025-08-16 13:29:09
2	Jonas Bergling	0.04 s	C#	2025-08-22 10:59:17
3	Maureen De la fuente	0.04 s	C#	2025-08-26 03:24:43
4	Dennis Stegnell	0.04 s	C#	2025-08-26 13:22:17
5	Nicholas Hood	0.04 s	C#	2025-09-02 01:20:29
6	Freek van Keulen	0.04 s	C#	2025-09-03 15:51:21
7	Aditya Bhagavatula	0.04 s	C#	2025-09-07 01:12:07
8	Pokeheart (Pokeheart)	0.04 s	C#	2025-09-15 12:58:35
9	Cory Kalm	0.04 s	C#	2025-09-18 15:29:22
10	Hidden user	0.04 s	C#	2025-10-05 18:18:00

#	User	Runtime	Language	Date
1	J Sotomayor	0.01 s	Common Lisp	2025-08-29 15:42:25
2	Kevin Gomez	0.01 s	Common Lisp	2025-11-26 00:30:06

#	User	Runtime	Language	Date
1	dick move	0.00 s	Crystal	2025-10-21 17:28:09
2	Mehrshad Kavousi	0.00 s	Crystal	2025-12-30 15:30:12

#	User	Runtime	Language	Date
1	Magnus Baasch Langkilde	0.32 s	Erlang	2025-09-04 21:11:46

#	User	Runtime	Language	Date
1	Nils Schieschke	0.00 s	Fortran	2025-10-16 15:02:21

#	User	Runtime	Language	Date
1	Jimmy Nejtron	0.00 s	Go	2025-08-14 16:32:34
2	Norbert Voelker	0.00 s	Go	2025-09-06 21:44:14
3	Evan Scherrer	0.00 s	Go	2025-10-08 03:41:24
4	Hidden user	0.00 s	Go	2025-10-10 15:39:29
5	Christoph H	0.00 s	Go	2025-11-28 09:43:26
6	Andini Anissa	0.00 s	Go	2025-12-14 12:50:11

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2025-08-28 05:11:43
2	Hidden user	0.00 s	Haskell	2025-09-02 14:34:33
3	Juan Miguel Vilar	0.00 s	Haskell	2025-09-05 13:13:36
4	Brian Hwang	0.00 s	Haskell	2025-09-12 21:32:26
5	Pathompong Kwangtong	0.00 s	Haskell	2025-09-25 14:01:39
6	Fabian Mitterwallner	0.00 s	Haskell	2025-10-23 18:03:09
7	Herdi Saleh	0.00 s	Haskell	2025-10-27 16:15:35
8	Daniel Cabral	0.00 s	Haskell	2025-11-04 04:30:36
9	Morten Lohne	0.00 s	Haskell	2025-11-12 10:21:01

#	User	Runtime	Language	Date
1	Markus Bao	0.04 s	Java	2025-08-19 05:13:11
2	Lee Heng Sheng	0.04 s	Java	2025-11-02 06:08:31
3	Marit van Dijk	0.08 s	Java	2025-08-17 12:35:46
4	Gursavakh singh	0.08 s	Java	2025-08-18 18:36:15
5	Thomas Anung Basuki	0.08 s	Java	2025-08-19 02:16:50
6	Hunter Mullen	0.08 s	Java	2025-08-19 03:13:56
7	Joseph Lindsley	0.08 s	Java	2025-08-28 04:42:41
8	Simrah Syed	0.08 s	Java	2025-08-29 01:00:49
9	Dylan Wagenknecht	0.08 s	Java	2025-08-29 04:07:07
10	Birk Tangen	0.08 s	Java	2025-09-04 15:29:40

#	User	Runtime	Language	Date
1	Erlend Raa Vågset	0.04 s	JavaScript (Node.js)	2025-09-17 16:31:43
2	Hidden user	0.04 s	JavaScript (Node.js)	2025-11-24 20:44:22
3	Victor Yan	0.42 s	JavaScript (Node.js)	2021-01-18 22:00:48

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2025-08-14 07:09:23
2	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2025-08-14 11:50:57
3	Ben Armstrong	0.02 s	JavaScript (SpiderMonkey)	2025-08-14 19:35:45
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2025-09-03 09:44:52

#	User	Runtime	Language	Date
1	Mehrshad Kavousi	0.20 s	Julia	2026-01-25 15:10:20
2	Timothy Gaede	0.42 s	Julia	2025-08-14 04:43:21

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.20 s	Kotlin	2025-08-14 14:59:52
2	Younes Harichane Merrouche	0.20 s	Kotlin	2025-10-02 11:52:18
3	Marcelin Titouan	0.20 s	Kotlin	2025-10-03 13:57:30
4	Luka Chabot	0.20 s	Kotlin	2025-11-17 16:49:37
5	Bellameche Yanis	0.20 s	Kotlin	2025-11-18 08:15:13
6	Adam Rankin	0.20 s	Kotlin	2026-01-11 20:33:36
7	testa atset	0.23 s	Kotlin	2025-10-22 23:16:20

#	User	Runtime	Language	Date
1	Zeheng Li	0.00 s	Lua	2025-08-14 06:42:23
2	Trevor	0.00 s	Lua	2025-10-06 01:30:00
3	Kelium Jojoa	0.00 s	Lua	2025-11-04 03:20:35

#	User	Runtime	Language	Date
1	Nino Bašić	0.00 s	Nim	2025-09-17 14:40:56
2	Alfred Morgan	0.00 s	Nim	2025-10-24 02:44:13
3	Hidden user	0.00 s	Nim	2025-11-22 13:48:00

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	OCaml	2025-09-08 23:31:26
2	Martha Kosa	0.00 s	OCaml	2025-11-02 04:03:31

#	User	Runtime	Language	Date
1	Cian Curtis	0.00 s	Pascal	2025-08-29 21:42:47
2	Ingemar Ragnemalm	0.00 s	Pascal	2025-09-06 15:05:59

#	User	Runtime	Language	Date
1	Thomas Feld	0.00 s	Perl	2025-09-17 15:24:32
2	Chenzhang Hu	0.00 s	Perl	2025-09-23 18:54:22

#	User	Runtime	Language	Date
1	Thomas Elston	0.03 s	Python 2	2019-04-13 18:36:47
2	Sivasankaran D	0.07 s	Python 2	2025-08-17 14:30:00
3	KALAJAYANTHI M	0.07 s	Python 2	2025-09-21 07:29:17
4	Gunnsteinn Þór Ólason	0.07 s	Python 2	2025-11-04 14:13:33
5	Valeria Gen Kferman	0.08 s	Python 2	2025-09-13 01:33:05

#	User	Runtime	Language	Date
1	David Florness	0.02 s	Python 3	2019-04-12 20:48:55
2	Addison Reddinger	0.02 s	Python 3	2019-04-13 18:32:42
3	Tavin Turner	0.02 s	Python 3	2019-04-13 18:35:57
4	Geremy Giles	0.02 s	Python 3	2019-04-13 19:11:28
5	Geremy Giles	0.02 s	Python 3	2019-04-13 19:16:35
6	Jey Veerasamy	0.04 s	Python 3	2025-08-14 05:45:42
7	Hrant Hovhannisyan	0.04 s	Python 3	2025-08-14 06:26:32
8	Mack Wong Yoong Yee	0.04 s	Python 3	2025-08-14 06:34:02
9	Zeheng Li	0.04 s	Python 3	2025-08-14 06:41:46
10	Ahmed Chamseddine	0.04 s	Python 3	2025-08-14 10:51:26

#	User	Runtime	Language	Date
1	Justin Dysarz	0.38 s	Racket	2025-10-25 05:57:25
2	Ayush Biswas	0.40 s	Racket	2025-10-22 07:36:28

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2025-08-19 09:09:45
2	Þorsteinn Sævar Kristjánsson	0.06 s	Ruby	2025-10-01 02:10:58
3	Eugen Neagoe	0.06 s	Ruby	2026-01-17 05:05:17
4	Mehrshad Kavousi	0.06 s	Ruby	2026-01-25 15:11:30
5	Russell Ng	0.07 s	Ruby	2025-08-14 15:39:59
6	Hidden user	0.07 s	Ruby	2026-01-08 10:35:07

#	User	Runtime	Language	Date
1	Ștefan-Iulian Alecu	0.04 s	Visual Basic	2025-11-02 04:26:37

#	User	Runtime	Language	Date
1	Grettir Heimisson	0.00 s	Zig	2025-10-20 21:49:56

#	User	Length	Language	Date
1	Sebastian Banert	176	Ada	2025-08-26 23:11:18

#	User	Length	Language	Date
1	Ștefan-Iulian Alecu	24	APL	2025-11-15 01:07:24
2	Matzuka	33	APL	2025-09-01 10:31:01

#	User	Length	Language	Date
1	Chenzhang Hu	17	Bash	2025-09-12 15:29:52
2	Thomas Feld	17	Bash	2025-09-17 15:27:06
3	Danny Robinson	24	Bash	2025-09-07 22:11:54
4	Frans Meulenbroeks	31	Bash	2026-01-28 12:13:47

#	User	Length	Language	Date
1	Jonatan Altebro	82	C	2025-09-02 13:33:51
2	Thunder	98	C	2026-01-14 14:47:28
3	Martin Blom	102	C	2025-09-15 11:49:45
4	Ahmad Mohammadi	102	C	2025-09-30 16:55:03
5	Sven Rönnbäck	108	C	2025-08-16 13:24:30
6	Eyleifur Bjarkason	110	C	2025-10-09 16:14:55
7	Tyler Belken	111	C	2026-01-26 03:03:43
8	Finn Uddling	113	C	2025-09-27 13:34:37
9	Samuel Leijon Hjalmarsson	116	C	2025-09-15 11:50:59
10	Anuj Kochar	116	C	2025-11-11 05:29:05

#	User	Length	Language	Date
1	Sam Anderson	157	C#	2025-12-22 21:50:48
2	Freek van Keulen	160	C#	2025-09-03 15:51:21
3	Aditya Bhagavatula	162	C#	2025-09-07 01:12:07
4	Tonny Abrahamsson	173	C#	2025-11-13 18:32:35
5	Deci Bel	182	C#	2025-08-16 13:29:09
6	Pokeheart (Pokeheart)	230	C#	2025-09-15 12:58:35
7	Mark Nickelsen	242	C#	2025-11-09 18:11:32
8	Michael Utecht	283	C#	2026-01-17 22:51:22
9	Hidden user	309	C#	2025-10-05 18:18:00
10	Maureen De la fuente	324	C#	2025-08-26 03:24:43

#	User	Length	Language	Date
1	Shiroy Sattur	85	C++	2025-08-14 19:01:15
2	Kerk Tai Heng	96	C++	2025-12-03 17:52:53
3	Mathias Gernez	98	C++	2025-10-01 14:47:05
4	Le Hoang Vu	99	C++	2025-09-23 16:41:51
5	Vedika Yogesh	102	C++	2026-01-13 20:29:27
6	Niall Green	102	C++	2026-01-17 22:21:12
7	David Canaday	103	C++	2020-10-09 06:42:05
8	Bảo Đoan	103	C++	2025-09-01 12:15:06
9	Hidden user	103	C++	2025-09-23 18:39:08
10	Pablo De la Peña	103	C++	2025-11-04 05:04:47

#	User	Length	Language	Date
1	Kevin Gomez	32	Common Lisp	2025-11-26 00:30:06
2	J Sotomayor	70	Common Lisp	2025-08-29 15:42:25

#	User	Length	Language	Date
1	dick move	46	Crystal	2025-10-21 17:28:09
2	Mehrshad Kavousi	79	Crystal	2025-12-30 15:30:12

#	User	Length	Language	Date
1	Magnus Baasch Langkilde	264	Erlang	2025-09-04 21:11:46

#	User	Length	Language	Date
1	Nils Schieschke	40	Fortran	2025-10-16 15:10:08

#	User	Length	Language	Date
1	Hidden user	116	Go	2025-10-10 15:39:29
2	Christoph H	128	Go	2025-11-28 09:43:26
3	Norbert Voelker	132	Go	2025-09-06 21:44:14
4	Jimmy Nejtron	143	Go	2025-08-14 16:32:34
5	Evan Scherrer	150	Go	2025-10-08 03:41:24
6	Andini Anissa	205	Go	2025-12-14 12:50:11

#	User	Length	Language	Date
1	Fabian Mitterwallner	38	Haskell	2025-10-23 18:05:11
2	Herdi Saleh	48	Haskell	2025-10-27 16:15:35
3	Juan Miguel Vilar	49	Haskell	2025-09-05 13:13:36
4	Morten Lohne	76	Haskell	2025-11-12 10:21:01
5	Hidden user	103	Haskell	2025-09-02 14:34:33
6	Daniel Cabral	116	Haskell	2025-11-04 04:30:36
7	Pathompong Kwangtong	173	Haskell	2025-09-25 14:01:39
8	Brent Yorgey	179	Haskell	2025-08-28 05:11:43
9	Brian Hwang	209	Haskell	2025-09-12 21:32:26

#	User	Length	Language	Date
1	Hidden user	233	Java	2019-04-13 18:08:00
2	ace wright	240	Java	2025-12-12 17:19:43
3	Amelia Dundon	243	Java	2021-01-18 22:48:01
4	Lane Braus	246	Java	2026-01-16 00:42:14
5	Josh Kolacz	247	Java	2019-04-13 18:17:32
6	Cole Christy	248	Java	2025-12-12 17:18:47
7	Thomas Anung Basuki	251	Java	2025-08-19 02:16:50
8	Ryder Wayne Clausen	252	Java	2025-12-04 17:10:56
9	Brody Stewart	257	Java	2019-04-13 19:15:06
10	wyatt wilson	257	Java	2025-11-07 17:07:42

#	User	Length	Language	Date
1	Erlend Raa Vågset	121	JavaScript (Node.js)	2025-09-17 16:31:43
2	Victor Yan	386	JavaScript (Node.js)	2021-01-18 22:00:48
3	Hidden user	514	JavaScript (Node.js)	2025-11-24 20:44:22

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	32	JavaScript (SpiderMonkey)	2025-08-14 07:09:23
2	Jimmy Gustafsson	33	JavaScript (SpiderMonkey)	2025-09-03 09:44:52
3	Bjørn Chr. Soltvedt	43	JavaScript (SpiderMonkey)	2025-08-14 11:51:43
4	Ben Armstrong	44	JavaScript (SpiderMonkey)	2025-08-14 19:35:45

#	User	Length	Language	Date
1	Mehrshad Kavousi	71	Julia	2026-01-25 15:10:20
2	Timothy Gaede	98	Julia	2025-08-14 04:43:21

#	User	Length	Language	Date
1	Steinar Simonnes	101	Kotlin	2025-08-14 14:59:52
2	Luka Chabot	123	Kotlin	2025-11-17 16:49:37
3	Bellameche Yanis	138	Kotlin	2025-11-18 08:15:13
4	Younes Harichane Merrouche	183	Kotlin	2025-10-02 11:52:18
5	Adam Rankin	185	Kotlin	2026-01-11 20:33:36
6	Marcelin Titouan	187	Kotlin	2025-10-03 13:57:30
7	testa atset	226	Kotlin	2025-10-22 23:16:20

#	User	Length	Language	Date
1	Zeheng Li	40	Lua	2025-08-14 06:42:23
2	Trevor	88	Lua	2025-10-06 01:30:00
3	Kelium Jojoa	101	Lua	2025-11-04 03:20:35

#	User	Length	Language	Date
1	Alfred Morgan	69	Nim	2025-10-24 02:44:13
2	Hidden user	122	Nim	2025-11-22 13:48:00
3	Nino Bašić	148	Nim	2025-09-17 14:40:56

#	User	Length	Language	Date
1	Martha Kosa	70	OCaml	2025-11-02 04:03:31
2	Hidden user	111	OCaml	2025-09-08 23:31:26

#	User	Length	Language	Date
1	Ingemar Ragnemalm	110	Pascal	2025-09-06 15:05:59
2	Cian Curtis	162	Pascal	2025-08-29 21:44:26

#	User	Length	Language	Date
1	Thomas Feld	6	Perl	2025-09-17 15:28:20
2	Chenzhang Hu	6	Perl	2025-09-18 14:20:15

#	User	Length	Language	Date
1	Gunnsteinn Þór Ólason	33	Python 2	2025-11-04 14:13:33
2	Sivasankaran D	52	Python 2	2025-08-17 14:30:00
3	KALAJAYANTHI M	82	Python 2	2025-09-21 07:29:17
4	Valeria Gen Kferman	186	Python 2	2025-09-13 01:33:05
5	Thomas Elston	191	Python 2	2019-04-13 18:36:47

#	User	Length	Language	Date
1	Nicholas Russell Saerang	33	Python 3	2025-08-21 17:37:59
2	Guk Yi Siong	33	Python 3	2025-08-22 14:06:55
3	Noah Hessen Bjerke	33	Python 3	2025-08-23 22:41:16
4	Tobias Glimmerfors	33	Python 3	2025-08-24 15:17:49
5	Ole Vik Lysne	33	Python 3	2025-09-06 08:45:56
6	Alexandre Douard	33	Python 3	2025-09-18 20:26:36
7	Rune Harlyk	33	Python 3	2025-10-08 20:11:03
8	Kevin Gomez	33	Python 3	2025-11-26 00:26:43
9	Simen Sørensen	44	Python 3	2025-08-14 13:37:23
10	Yong Mao	44	Python 3	2025-08-15 00:34:06

#	User	Length	Language	Date
1	Ayush Biswas	86	Racket	2025-10-22 07:36:28
2	Justin Dysarz	140	Racket	2025-10-25 05:57:25

#	User	Length	Language	Date
1	Thomas Feld	23	Ruby	2025-08-19 09:10:11
2	Russell Ng	25	Ruby	2025-08-14 15:39:59
3	Mehrshad Kavousi	28	Ruby	2026-01-25 15:17:19
4	Þorsteinn Sævar Kristjánsson	47	Ruby	2025-10-01 02:10:58
5	Eugen Neagoe	54	Ruby	2026-01-17 05:05:17
6	Hidden user	55	Ruby	2026-01-08 10:35:07

#	User	Length	Language	Date
1	Vincent Lagerros	185	Rust	2025-08-14 15:56:15
2	Henrik Josefsson	220	Rust	2025-08-17 19:07:20
3	Pankajkumar Patro	226	Rust	2025-08-14 16:02:22
4	Isak Jägberg	239	Rust	2025-12-13 23:15:54
5	Harald Langslet Kavli	274	Rust	2025-12-09 08:03:57
6	David Rasch	322	Rust	2025-08-25 16:35:26
7	Winston Wu	335	Rust	2025-11-29 20:26:21
8	Emil Dichmann	348	Rust	2025-08-17 22:23:29
9	Elijah Gilliam	349	Rust	2026-01-20 14:15:08
10	Rasmus Melin	369	Rust	2025-09-05 16:42:30

#	User	Length	Language	Date
1	Ștefan-Iulian Alecu	119	Visual Basic	2025-11-02 04:26:37

#	User	Length	Language	Date
1	Grettir Heimisson	966	Zig	2025-10-20 21:49:56

Solution running time distribution