Problem I
Interview Question — Problem Statistics

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Submissions	1047
Accepted submissions	408
Submission ratio	38.97%
Authors	353
Full solves [?]	298
Full solve Ratio	84.42%

#	User	Runtime	Language	Date
1	Arvid Jonasson	0.10 s	APL	2025-08-19 11:56:39

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	C	2024-01-19 14:11:22
2	Denis Traunter	0.01 s	C	2024-02-17 23:35:30

#	User	Runtime	Language	Date
1	Sven	0.06 s	C#	2024-01-26 22:03:57

#	User	Runtime	Language	Date
1	Jacob Ezieme	0.00 s	C++	2024-09-11 06:05:03
2	Poh Bao Hua, Benjamin	0.00 s	C++	2025-08-15 14:59:24
3	Arvid Jonasson	0.00 s	C++	2025-08-19 11:26:29
4	Michael Zündorf	0.01 s	C++	2022-11-28 23:34:38
5	Simon Lindholm	0.01 s	C++	2022-11-29 00:06:31
6	Nicolaj Valsted	0.01 s	C++	2022-11-29 00:43:42
7	Magnus Hokland Hegdahl	0.01 s	C++	2022-11-29 21:04:59
8	Nicholas Foo Chuan Le	0.01 s	C++	2022-11-30 09:06:52
9	Hidden user	0.01 s	C++	2022-12-01 02:58:17
10	Markus Mathiasen	0.01 s	C++	2022-12-01 16:42:46

#	User	Runtime	Language	Date
1	Jonas Mittnacht	0.01 s	Go	2024-02-05 14:13:04
2	Norbert Voelker	0.03 s	Go	2022-12-16 16:32:29
3	Andreas Wachs	0.05 s	Go	2023-02-14 16:30:59

#	User	Runtime	Language	Date
1	Brent Yorgey	0.04 s	Haskell	2023-06-27 17:48:04
2	Jannik Olbrich	0.05 s	Haskell	2022-12-05 17:57:39
3	Rudy Matela	0.06 s	Haskell	2024-03-23 12:09:06
4	Mason Barnhill	0.07 s	Haskell	2023-09-06 01:56:02
5	Lars Corbijn	0.14 s	Haskell	2023-11-29 15:09:55

#	User	Runtime	Language	Date
1	Doug Goodman	0.23 s	Java	2022-12-11 20:44:28
2	Aaron Zhou	0.24 s	Java	2023-04-08 04:10:10
3	Markus Bao	0.24 s	Java	2024-01-08 04:22:03
4	Tobias Schønau	0.28 s	Java	2023-02-10 18:11:07
5	HyperPsych	0.31 s	Java	2024-09-11 01:01:29
6	Atharva Jaysing Thorve	0.32 s	Java	2024-02-02 17:10:11
7	Benjamin Wolcott	0.33 s	Java	2024-09-11 01:13:45
8	Christopher Hinton	0.33 s	Java	2024-09-14 21:25:42
9	Nico Fischer	0.35 s	Java	2024-01-19 15:15:34
10	leo wennberg	0.35 s	Java	2025-08-23 17:44:33

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.05 s	JavaScript (SpiderMonkey)	2022-12-04 19:05:14
2	Christian Pilegaard Cederquist	0.09 s	JavaScript (SpiderMonkey)	2023-08-01 16:53:24

#	User	Runtime	Language	Date
1	Timothy Gaede	0.47 s	Julia	2025-10-27 04:03:26
2	Luca Stanger	0.57 s	Julia	2024-01-19 15:18:08

#	User	Runtime	Language	Date
1	Jacob Huebner	0.31 s	Kotlin	2023-04-25 06:55:19
2	Jesper Bech Christensen	0.43 s	Kotlin	2022-11-29 10:38:30
3	Paul McBurney	0.44 s	Kotlin	2025-08-29 01:26:22
4	Paul McBurney	0.44 s	Kotlin	2025-08-29 02:08:20

#	User	Runtime	Language	Date
1	Johan Lyts	0.05 s	Python 2	2022-12-10 14:14:27

#	User	Runtime	Language	Date
1	Eric Zeng	0.05 s	Python 3	2024-09-11 02:00:43
2	Duc La	0.05 s	Python 3	2024-11-08 02:12:35
3	Lasse Møldrup	0.06 s	Python 3	2022-11-29 18:23:36
4	Ahmed Chamseddine	0.06 s	Python 3	2022-12-12 08:26:14
5	Camilla Birch Okkels	0.06 s	Python 3	2023-02-10 18:01:38
6	Jacob Martens	0.06 s	Python 3	2023-02-11 11:22:34
7	Emil Boesgaard Nørbjerg	0.06 s	Python 3	2023-02-12 18:52:19
8	Joshua Goldman	0.06 s	Python 3	2023-03-08 01:02:01
9	Hidden user	0.06 s	Python 3	2023-07-16 21:21:37
10	Logan Pipes	0.06 s	Python 3	2023-07-27 01:06:46

#	User	Runtime	Language	Date
1	Thomas Feld	0.15 s	Ruby	2025-10-28 11:09:52

#	User	Runtime	Language	Date
1	Daniel Anker Hermansen	0.01 s	Rust	2024-02-15 09:56:55
2	Eric Källman	0.10 s	Rust	2025-08-22 13:53:44

#	User	Length	Language	Date
1	Arvid Jonasson	103	APL	2025-08-21 00:01:55

#	User	Length	Language	Date
1	Hidden user	1224	C	2024-02-01 16:32:38
2	Denis Traunter	1415	C	2024-02-17 23:35:30

#	User	Length	Language	Date
1	Sven	944	C#	2024-01-26 22:03:57

#	User	Length	Language	Date
1	Elias Lolck	344	C++	2023-02-10 16:05:41
2	Kristinn Hrafn Daníelsson	428	C++	2024-12-03 17:28:38
3	Bjarki Ágúst Guðmundsson	460	C++	2022-12-15 00:38:09
4	Brennan Hasan	513	C++	2024-01-26 02:55:03
5	Giovanni Gaio	522	C++	2022-12-06 16:09:03
6	Reynaldo Gil-Pons	543	C++	2022-11-29 08:07:45
7	Robert Pham	568	C++	2023-08-17 01:26:52
8	Michael Zündorf	580	C++	2022-11-28 23:34:38
9	Mathias Gernez	584	C++	2025-08-26 19:18:20
10	Arvid Jonasson	589	C++	2025-11-11 19:57:36

#	User	Length	Language	Date
1	Jonas Mittnacht	1125	Go	2024-02-05 14:13:04
2	Andreas Wachs	1134	Go	2023-02-14 16:30:59
3	Norbert Voelker	1605	Go	2022-12-16 16:32:29

#	User	Length	Language	Date
1	Rudy Matela	141	Haskell	2024-03-23 12:39:18
2	Jannik Olbrich	579	Haskell	2022-12-05 17:59:23
3	Lars Corbijn	597	Haskell	2023-11-29 15:09:55
4	Mason Barnhill	884	Haskell	2023-09-06 01:56:02
5	Brent Yorgey	9058	Haskell	2023-06-27 17:48:04

#	User	Length	Language	Date
1	Markus Bao	888	Java	2024-01-08 04:22:03
2	Doug Goodman	1016	Java	2022-12-11 20:44:28
3	Aaron Zhou	1091	Java	2023-04-08 04:10:10
4	Nico Fischer	1282	Java	2024-01-19 15:15:34
5	Stalvio Neto	1340	Java	2025-04-04 10:51:19
6	HyperPsych	1388	Java	2024-09-11 01:01:29
7	Magnus August McCubbin	1491	Java	2023-02-10 17:11:42
8	Ayden Coughlin	1595	Java	2023-10-26 23:04:12
9	Antonio Grama	1636	Java	2023-02-10 17:25:04
10	Benjamin Wolcott	1935	Java	2024-09-11 01:13:45

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	270	JavaScript (SpiderMonkey)	2022-12-04 19:25:28
2	Christian Pilegaard Cederquist	1108	JavaScript (SpiderMonkey)	2023-08-01 16:53:24

#	User	Length	Language	Date
1	Luca Stanger	727	Julia	2024-01-19 15:18:08
2	Timothy Gaede	1730	Julia	2025-10-27 04:03:26

#	User	Length	Language	Date
1	Jacob Huebner	549	Kotlin	2023-04-25 06:55:19
2	Jesper Bech Christensen	731	Kotlin	2022-11-29 10:38:30
3	Paul McBurney	1236	Kotlin	2025-08-29 01:26:22
4	Paul McBurney	1236	Kotlin	2025-08-29 02:08:20

#	User	Length	Language	Date
1	Johan Lyts	443	Python 2	2022-12-10 14:14:27

#	User	Length	Language	Date
1	Varun Vejalla	176	Python 3	2024-09-11 01:23:44
2	Clement Oh	199	Python 3	2024-02-08 13:01:46
3	Oskar Haarklou Veileborg	214	Python 3	2022-11-29 09:22:54
4	David Aldenbro	236	Python 3	2025-10-30 10:14:41
5	Teikn Smith	283	Python 3	2024-01-20 20:33:54
6	Yong Mao	291	Python 3	2022-11-29 03:31:00
7	Ahmed Chamseddine	299	Python 3	2023-01-14 07:47:16
8	Joshua Goldman	303	Python 3	2023-03-08 01:02:01
9	Christophe	305	Python 3	2022-11-28 23:41:53
10	Thore Husfeldt	310	Python 3	2022-11-29 11:31:36

#	User	Length	Language	Date
1	Thomas Feld	93	Ruby	2025-10-28 11:27:49

#	User	Length	Language	Date
1	Eric Källman	4052	Rust	2025-08-22 13:53:44
2	Daniel Anker Hermansen	26790	Rust	2024-02-15 09:56:55

Solution running time distribution