Problem A
Sanic — Problem Statistics

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Submissions	1515
Accepted submissions	729
Submission ratio	48.12%
Authors	656
Full solves [?]	583
Full solve Ratio	88.87%

#	User	Runtime	Language	Date
1	Johan Clarström	0.01 s	APL	2023-03-13 19:46:39
2	Max NC	0.01 s	APL	2023-09-09 13:56:40
3	Simon Baeckelant	0.02 s	APL	2025-11-09 15:36:15
4	Si Jie Tan	0.02 s	APL	2025-12-10 10:28:21

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.01 s	Bash	2023-10-03 15:19:28
2	Nicholas Russell Saerang	0.07 s	Bash	2023-12-03 09:57:50

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2020-03-23 16:33:52
2	Jón Steinn Elíasson	0.00 s	C	2020-04-20 21:39:20
3	kirito kun	0.00 s	C	2020-07-11 06:00:00
4	Sambit Palit	0.00 s	C	2020-10-03 03:44:35
5	Anindya Barua	0.00 s	C	2020-10-23 18:41:26
6	Sergey Jakobsen	0.00 s	C	2020-12-29 21:30:51
7	Sebastian Miles	0.00 s	C	2022-09-17 23:17:57
8	Huan Tran	0.00 s	C	2022-11-18 10:00:06
9	James Christian Ruiz	0.00 s	C	2023-01-06 06:04:32
10	Muhammad Memon	0.00 s	C	2023-11-20 22:12:20

#	User	Runtime	Language	Date
1	Sloth	0.02 s	C#	2020-02-19 20:07:02
2	Matthew Drain	0.02 s	C#	2021-06-17 05:58:11
3	Henrik Hallbert	0.02 s	C#	2022-01-14 21:26:27
4	Mikael Fiala-Lundström	0.02 s	C#	2022-08-22 19:37:11
5	Hüseyin Ege Gökcan	0.02 s	C#	2023-02-10 14:36:19
6	Sheldon Small	0.04 s	C#	2023-05-13 12:20:32
7	Mhmt Tan	0.04 s	C#	2023-09-03 17:47:47
8	Mark Nickelsen	0.05 s	C#	2025-11-30 14:30:51

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-06-24 23:33:11

#	User	Runtime	Language	Date
1	Ng Tek In	0.00 s	Haskell	2022-08-28 18:15:02
2	Hidden user	0.00 s	Haskell	2022-11-22 11:37:30
3	Sebastian Banert	0.00 s	Haskell	2023-09-01 16:12:19
4	Steinar Simonnes	0.00 s	Haskell	2024-05-13 17:57:37
5	Rudy Matela	0.00 s	Haskell	2024-11-29 11:55:09
6	Brent Yorgey	0.01 s	Haskell	2020-03-23 15:59:39
7	Andreas Ländle	0.01 s	Haskell	2020-09-06 19:45:06
8	Jan Hrček	0.01 s	Haskell	2021-04-11 10:48:19
9	Hidden user	0.01 s	Haskell	2021-05-31 17:41:42

#	User	Runtime	Language	Date
1	Liam Keliher	0.06 s	Java	2020-05-01 06:13:02
2	Crystal Sharpe	0.06 s	Java	2020-05-02 16:40:46
3	Corey Cullen	0.06 s	Java	2020-09-15 19:33:13
4	Linda Toomey	0.06 s	Java	2020-09-15 19:36:14
5	Sven Rönnbäck	0.06 s	Java	2022-05-15 11:04:23
6	Alexander Giroux	0.06 s	Java	2022-06-21 00:45:35
7	Kevin Yang	0.06 s	Java	2022-09-21 21:32:41
8	Ranjith M	0.06 s	Java	2023-07-21 19:33:42
9	Ben Cobb	0.06 s	Java	2023-09-06 04:02:39
10	Samuel Klingström	0.07 s	Java	2020-08-07 23:32:01

#	User	Runtime	Language	Date
1	Carson Bragg	0.05 s	JavaScript (Node.js)	2023-10-03 20:38:28
2	BRYAN DAVID ALVAREZ GALVIS	0.05 s	JavaScript (Node.js)	2024-03-23 15:06:44
3	Mike Digan	0.42 s	JavaScript (Node.js)	2021-03-04 17:22:27

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2022-08-29 15:59:41
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-12 00:51:34

#	User	Runtime	Language	Date
1	Timothy Gaede	0.47 s	Julia	2024-05-05 05:51:18

#	User	Runtime	Language	Date
1	Björn Holm	0.14 s	Kotlin	2020-02-19 18:32:52
2	Adam Rankin	0.17 s	Kotlin	2023-05-13 05:26:18
3	Cedrik Aagaard	0.19 s	Kotlin	2020-02-19 18:48:58
4	Jacob Huebner	0.20 s	Kotlin	2024-09-24 08:41:14
5	Stephen Atwood	0.20 s	Kotlin	2025-07-16 20:24:44
6	ANDREY FELIPE PINTO URIBE	0.22 s	Kotlin	2024-08-28 16:53:35
7	Chris Johnson	0.24 s	Kotlin	2025-10-14 23:15:14

#	User	Runtime	Language	Date
1	Zeheng Li	0.00 s	Lua	2024-01-19 18:33:37

#	User	Runtime	Language	Date
1	Matthew Lutze	0.00 s	OCaml	2020-05-30 19:49:31
2	Samuel Jefferis	0.00 s	OCaml	2020-09-25 13:41:36

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2020-05-22 13:35:36

#	User	Runtime	Language	Date
1	Thomas Feld	0.00 s	Perl	2025-09-15 15:29:36
2	Chenzhang Hu	0.00 s	Perl	2025-09-23 18:16:04

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	PHP	2023-01-31 12:46:34
2	Morteza Rezaei	0.01 s	PHP	2023-02-23 23:52:56
3	Chenzhang Hu	0.01 s	PHP	2023-09-27 09:25:34

#	User	Runtime	Language	Date
1	Björn Magnusson	0.03 s	Python 2	2020-02-19 18:14:04
2	Anton Lyxell	0.03 s	Python 2	2020-02-19 19:23:16
3	Leopold Hermansson	0.03 s	Python 2	2020-02-20 18:31:40
4	Chaitanya Katpatal	0.03 s	Python 2	2020-02-24 00:21:04
5	Andreas Björklund	0.03 s	Python 2	2020-03-24 20:59:31
6	Lars Åström	0.03 s	Python 2	2020-03-25 10:30:20
7	Thomas Feld	0.03 s	Python 2	2020-03-26 13:19:16
8	Johan Lyts	0.03 s	Python 2	2020-03-26 14:05:04
9	Arnav Sastry	0.03 s	Python 2	2022-11-24 14:57:19
10	Li Zhaoqi	0.03 s	Python 2	2022-12-16 17:44:56

#	User	Runtime	Language	Date
1	Logan Pipes	0.04 s	Python 3	2022-06-21 00:30:41
2	Matthew MacLean	0.04 s	Python 3	2022-06-21 00:41:52
3	Weiguo Jiang	0.04 s	Python 3	2022-06-21 04:30:19
4	Kattis Speedrun	0.04 s	Python 3	2022-07-21 21:34:44
5	Conor M	0.04 s	Python 3	2022-07-27 12:26:15
6	Mikael Fiala-Lundström	0.04 s	Python 3	2022-08-22 19:19:12
7	Jesper Bech Christensen	0.04 s	Python 3	2022-09-13 11:36:09
8	Joas Haunstrup	0.04 s	Python 3	2022-09-13 19:50:31
9	Mark Johnson	0.04 s	Python 3	2022-09-15 03:29:15
10	Rasmus Hulthe	0.04 s	Python 3	2022-09-15 19:46:10

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2022-11-28 12:00:31
2	dick move	0.06 s	Ruby	2022-12-07 03:33:01
3	Julian Nohr	0.06 s	Ruby	2022-12-14 17:13:36
4	Harry Zhang	0.06 s	Ruby	2023-01-06 13:28:51
5	Gustav Elmqvist	0.06 s	Ruby	2023-02-17 19:28:09
6	Morteza Rezaei	0.06 s	Ruby	2023-02-23 23:37:52
7	Eugen Neagoe	0.06 s	Ruby	2023-03-31 14:50:59
8	Alexander Bilde Pedersen	0.06 s	Ruby	2023-04-23 01:02:04
9	Lucas Patten	0.06 s	Ruby	2024-05-23 22:09:59
10	Chenzhang Hu	0.06 s	Ruby	2024-12-06 13:48:42

#	User	Runtime	Language	Date
1	David Rasch	0.00 s	Rust	2021-10-20 12:07:07
2	Bas Dirks	0.00 s	Rust	2022-01-11 21:58:26
3	Morteza Rezaei	0.00 s	Rust	2023-02-23 23:44:35
4	Hidden user	0.00 s	Rust	2023-04-04 00:16:56
5	Artur Khuziakhmetov	0.00 s	Rust	2023-08-08 10:56:26
6	Vincent Lagerros	0.00 s	Rust	2025-05-27 21:35:53

#	User	Length	Language	Date
1	Max NC	11	APL	2023-09-09 13:56:40
2	Si Jie Tan	11	APL	2025-12-10 10:28:21
3	Johan Clarström	15	APL	2023-03-13 19:46:39
4	Simon Baeckelant	16	APL	2025-11-09 15:36:15

#	User	Length	Language	Date
1	Chenzhang Hu	14	Bash	2025-09-13 01:29:38
2	Nicholas Russell Saerang	18	Bash	2023-12-03 09:57:50

#	User	Length	Language	Date
1	Sebastian Miles	70	C	2022-09-17 23:19:05
2	Sergey Jakobsen	97	C	2020-12-29 21:31:14
3	Jón Steinn Elíasson	112	C	2020-04-20 21:39:20
4	kirito kun	112	C	2020-07-11 06:00:00
5	Muhammad Memon	112	C	2023-11-20 22:12:20
6	Anindya Barua	113	C	2020-10-23 18:41:26
7	Sambit Palit	124	C	2020-10-03 03:44:35
8	James Christian Ruiz	130	C	2023-01-06 06:04:50
9	Huan Tran	140	C	2022-11-18 10:00:06
10	Bergur Snorrason	1460	C	2020-03-23 16:33:52

#	User	Length	Language	Date
1	Mikael Fiala-Lundström	98	C#	2022-08-24 02:03:46
2	Henrik Hallbert	146	C#	2022-01-14 21:26:27
3	Mark Nickelsen	175	C#	2025-11-30 14:30:51
4	Hüseyin Ege Gökcan	207	C#	2023-02-10 14:36:19
5	Mhmt Tan	238	C#	2023-09-03 17:47:47
6	Sheldon Small	251	C#	2023-05-13 12:20:32
7	Matthew Drain	351	C#	2021-06-17 05:58:11
8	Sloth	363	C#	2020-02-19 20:07:02

#	User	Length	Language	Date
1	Magnus Sahlin	62	C++	2023-08-31 14:22:40
2	Frans Meulenbroeks	62	C++	2025-02-18 10:22:23
3	Mikael K Eriksson	63	C++	2021-09-15 18:42:10
4	Tyler Fernando	63	C++	2022-11-01 04:41:59
5	Zackeus Zetterberg	63	C++	2023-08-31 14:19:25
6	Sean McDonald	86	C++	2023-11-25 18:33:42
7	Izz Hafeez Bin Zek Hazley	89	C++	2023-08-04 05:01:03
8	Hidden user	96	C++	2020-10-04 10:25:52
9	Alexander Skidanov	101	C++	2024-12-13 17:38:26
10	Tuan Pham	102	C++	2022-01-07 08:41:08

#	User	Length	Language	Date
1	Norbert Voelker	346	Go	2021-06-24 23:33:11

#	User	Length	Language	Date
1	Rudy Matela	31	Haskell	2024-11-29 11:55:09
2	Hidden user	71	Haskell	2022-11-22 11:37:30
3	Sebastian Banert	83	Haskell	2023-09-01 16:12:19
4	Steinar Simonnes	107	Haskell	2024-05-13 17:57:37
5	Brent Yorgey	185	Haskell	2020-03-23 15:59:39
6	Jan Hrček	297	Haskell	2021-04-11 10:48:19
7	Ng Tek In	394	Haskell	2022-08-28 18:15:02
8	Andreas Ländle	659	Haskell	2020-09-06 19:45:06
9	Hidden user	10772	Haskell	2021-05-31 17:41:42

#	User	Length	Language	Date
1	Theodoric Keith Lim	163	Java	2020-06-25 11:41:03
2	Sam Huynh	184	Java	2022-01-05 03:10:56
3	Tung Tran	185	Java	2023-06-27 23:17:09
4	Raymond Arrington	192	Java	2024-07-03 05:07:48
5	Eric Pinter	198	Java	2020-03-26 02:39:50
6	Mark Johnson	203	Java	2020-03-26 02:46:37
7	Emilie H	209	Java	2020-04-24 17:03:47
8	Alex Huang	210	Java	2020-04-09 06:48:21
9	Hidden user	212	Java	2020-04-24 15:25:07
10	neeshie0	212	Java	2021-08-20 04:49:23

#	User	Length	Language	Date
1	BRYAN DAVID ALVAREZ GALVIS	182	JavaScript (Node.js)	2024-03-23 15:06:44
2	Carson Bragg	297	JavaScript (Node.js)	2023-10-03 20:38:28
3	Mike Digan	418	JavaScript (Node.js)	2021-03-04 17:22:27

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	19	JavaScript (SpiderMonkey)	2023-01-12 00:51:34
2	Bjørn Chr. Soltvedt	21	JavaScript (SpiderMonkey)	2022-08-29 15:59:41

#	User	Length	Language	Date
1	Timothy Gaede	106	Julia	2024-05-05 05:51:18

#	User	Length	Language	Date
1	Jacob Huebner	43	Kotlin	2024-09-24 08:41:14
2	Stephen Atwood	47	Kotlin	2025-07-16 20:24:44
3	Adam Rankin	64	Kotlin	2023-05-13 05:26:18
4	Cedrik Aagaard	193	Kotlin	2020-02-19 18:48:58
5	ANDREY FELIPE PINTO URIBE	227	Kotlin	2024-08-28 16:53:35
6	Chris Johnson	268	Kotlin	2025-10-14 23:15:14
7	Björn Holm	2113	Kotlin	2020-02-19 18:32:52

#	User	Length	Language	Date
1	Zeheng Li	22	Lua	2024-01-19 18:33:37

#	User	Length	Language	Date
1	Matthew Lutze	94	OCaml	2020-05-30 19:49:31
2	Samuel Jefferis	401	OCaml	2020-09-25 13:41:36

#	User	Length	Language	Date
1	Ingemar Ragnemalm	80	Pascal	2020-05-22 13:35:36

#	User	Length	Language	Date
1	Chenzhang Hu	6	Perl	2025-09-14 12:17:22
2	Thomas Feld	6	Perl	2025-09-15 15:29:36

#	User	Length	Language	Date
1	Thomas Feld	10	PHP	2023-01-31 12:46:34
2	Morteza Rezaei	19	PHP	2023-02-23 23:52:56
3	Chenzhang Hu	19	PHP	2023-09-27 09:28:09

#	User	Length	Language	Date
1	Leopold Hermansson	15	Python 2	2020-02-20 18:31:40
2	Lars Åström	15	Python 2	2020-03-25 10:30:20
3	Arnav Sastry	15	Python 2	2022-11-24 14:57:19
4	Li Zhaoqi	15	Python 2	2022-12-16 17:44:56
5	Morteza Rezaei	15	Python 2	2023-02-23 23:47:48
6	Thomas Feld	26	Python 2	2020-03-26 13:19:16
7	Andreas Björklund	31	Python 2	2020-03-24 20:59:31
8	Johan Lyts	31	Python 2	2020-03-26 14:05:04
9	Björn Magnusson	44	Python 2	2020-02-19 18:14:04
10	Anton Lyxell	111	Python 2	2020-02-19 19:23:16

#	User	Length	Language	Date
1	Marshall D Feng	22	Python 3	2022-12-01 02:17:12
2	Karen Birgitta Hanssen	22	Python 3	2023-01-03 21:24:45
3	Harry Zhang	22	Python 3	2023-01-06 13:24:07
4	Clement Oh	22	Python 3	2023-05-10 18:51:50
5	Hidden user	22	Python 3	2023-07-04 16:59:33
6	Nicholas Russell Saerang	22	Python 3	2023-08-15 11:16:21
7	Noah Ó Donnaile	22	Python 3	2023-09-21 19:39:47
8	David Aldenbro	22	Python 3	2025-10-15 22:51:16
9	Felix Steinberger Eriksson	23	Python 3	2020-02-20 20:48:16
10	Bjørn Dons	23	Python 3	2020-03-24 19:50:27

#	User	Length	Language	Date
1	Thomas Feld	12	Ruby	2022-12-05 12:28:59
2	dick move	12	Ruby	2022-12-07 03:33:01
3	Julian Nohr	12	Ruby	2022-12-14 17:17:28
4	Noah Hessen Bjerke	13	Ruby	2022-12-08 20:00:48
5	Gustav Elmqvist	13	Ruby	2023-02-17 19:28:09
6	Morteza Rezaei	13	Ruby	2023-02-23 23:37:52
7	Alexander Bilde Pedersen	13	Ruby	2023-04-23 01:02:04
8	Lucas Patten	13	Ruby	2024-05-23 22:09:59
9	Chenzhang Hu	13	Ruby	2024-12-06 13:48:42
10	Harry Zhang	15	Ruby	2023-01-06 13:28:51

#	User	Length	Language	Date
1	Morteza Rezaei	132	Rust	2023-02-23 23:44:35
2	Artur Khuziakhmetov	140	Rust	2023-08-08 10:56:26
3	Vincent Lagerros	167	Rust	2025-05-27 21:35:53
4	Bas Dirks	227	Rust	2022-01-11 21:58:26
5	David Rasch	240	Rust	2021-10-20 12:07:07
6	Hidden user	243	Rust	2023-04-04 00:16:56

Solution running time distribution