Problem D
Frosh Week — Problem Statistics

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Submissions	4263
Accepted submissions	2262
Submission ratio	53.06%
Authors	1942
Full solves [?]	1807
Full solve Ratio	93.05%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.07 s	Bash	2024-04-14 11:20:27

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.01 s	C	2018-04-26 00:07:43
2	Bergur Snorrason	0.01 s	C	2019-11-25 10:23:49
3	Caeden Whitaker	0.01 s	C	2021-12-17 01:44:06
4	Guangyi Zhou	0.01 s	C	2025-05-11 08:12:34
5	Joacim Wärn	0.01 s	C	2025-06-23 22:32:24
6	pengin	0.03 s	C	2021-06-15 13:18:51
7	Eyleifur Bjarkason	0.05 s	C	2019-11-30 14:56:00
8	Ryan Chang	0.06 s	C	2018-11-07 15:03:02
9	Hidden user	0.06 s	C	2019-10-27 04:44:29
10	Daniel	0.06 s	C	2021-11-19 17:13:11

#	User	Runtime	Language	Date
1	traxex	0.12 s	C#	2024-05-26 17:35:11
2	Erik Algesten	0.12 s	C#	2025-07-19 21:38:56
3	NIELSEN HADRINATA SUNANDAR	0.18 s	C#	2020-05-22 18:54:48
4	Gustav Kalander	0.19 s	C#	2018-07-30 17:39:50
5	Henrik Hallbert	0.21 s	C#	2022-03-26 16:36:45
6	Gurpartap Singh Bhatti	0.22 s	C#	2020-04-22 02:02:41
7	Vincent Méthot	0.22 s	C#	2023-03-07 03:04:00
8	Baptiste Tremblay	0.22 s	C#	2023-03-09 20:22:56
9	Jowna Alynsah	0.23 s	C#	2020-05-21 04:52:35
10	Abu Gnob	0.23 s	C#	2020-05-21 12:50:26

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.01 s	C++	2018-04-25 23:26:49
2	Agis Daniels	0.01 s	C++	2020-02-17 14:53:29
3	Roger Chen	0.01 s	C++	2022-05-19 06:42:19
4	Alexander Kravberg	0.01 s	C++	2023-01-29 22:19:52
5	Zhang Jikun	0.02 s	C++	2022-07-14 17:53:22
6	Hidden user	0.03 s	C++	2018-11-10 12:41:04
7	Noah Weninger	0.03 s	C++	2019-01-18 18:35:56
8	Rusdi Haizim Bin Rahim	0.03 s	C++	2019-03-26 09:43:30
9	Ian DeHaan	0.03 s	C++	2019-07-04 05:11:56
10	Amlakie Temesgen	0.03 s	C++	2021-09-19 19:32:57

#	User	Runtime	Language	Date
1	David Cawthon	0.55 s	Common Lisp	2019-08-14 01:59:52
2	Hidden user	0.68 s	Common Lisp	2019-06-27 03:56:48

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.28 s	F#	2022-11-27 10:42:05

#	User	Runtime	Language	Date
1	Norbert Voelker	0.13 s	Go	2021-06-18 22:27:07
2	Miguel Martinez	0.45 s	Go	2019-07-16 03:27:15

#	User	Runtime	Language	Date
1	Jan Hrček	0.56 s	Haskell	2021-03-12 18:15:30
2	Brent Yorgey	0.71 s	Haskell	2017-12-21 04:51:29
3	Steinar Simonnes	0.75 s	Haskell	2024-08-07 14:58:17
4	Samuel Gaskins	1.20 s	Haskell	2023-01-31 05:35:14
5	Jon-Magnus Rosenblad	1.23 s	Haskell	2022-06-14 12:39:45
6	Matthew Craven	1.31 s	Haskell	2018-10-28 14:19:27
7	Hidden user	1.41 s	Haskell	2019-04-15 13:57:06
8	Hidden user	1.44 s	Haskell	2019-11-02 12:28:50
9	Morten Bergmann	1.50 s	Haskell	2020-09-09 14:25:52

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.08 s	Java	2025-05-11 04:58:14
2	Sven Rönnbäck	0.17 s	Java	2023-11-18 16:12:50
3	Clement Oh	0.18 s	Java	2022-08-06 18:54:03
4	Bjørn Dons	0.22 s	Java	2018-10-31 02:40:48
5	Charlie Zheng	0.25 s	Java	2018-10-11 03:06:31
6	鹿目圆	0.26 s	Java	2018-10-25 13:59:28
7	John Ladera	0.29 s	Java	2019-01-01 08:58:18
8	Dante Bencivenga	0.39 s	Java	2017-11-16 03:41:33
9	Isaac Tan Pang Yew	0.39 s	Java	2021-07-03 08:55:22
10	Carlson	0.39 s	Java	2021-11-25 02:08:51

#	User	Runtime	Language	Date
1	Hidden user	0.25 s	JavaScript (Node.js)	2024-09-25 19:34:25
2	Hidden user	0.30 s	JavaScript (Node.js)	2022-07-08 09:58:22
3	Simon Lixenfeld	0.35 s	JavaScript (Node.js)	2022-09-13 19:14:05
4	Niamh Limerick	0.73 s	JavaScript (Node.js)	2022-05-06 20:19:08
5	Peter Kedemo	0.76 s	JavaScript (Node.js)	2020-01-11 10:38:46
6	Mikael Fiala-Lundström	1.05 s	JavaScript (Node.js)	2021-06-20 13:34:24

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.09 s	JavaScript (SpiderMonkey)	2017-11-12 02:05:14
2	Christopher Walther	0.13 s	JavaScript (SpiderMonkey)	2021-05-07 15:16:03
3	Christian Pilegaard Cederquist	0.13 s	JavaScript (SpiderMonkey)	2023-02-17 18:23:03
4	Zach Tschetter	0.13 s	JavaScript (SpiderMonkey)	2023-06-20 23:27:47
5	Jimmy Gustafsson	0.16 s	JavaScript (SpiderMonkey)	2024-08-18 17:42:46

#	User	Runtime	Language	Date
1	Noszály Csaba	0.43 s	Julia	2025-03-27 17:07:30
2	Timothy Gaede	0.64 s	Julia	2024-08-13 14:41:47
3	Danny Robinson	1.00 s	Julia	2023-09-28 08:01:08

#	User	Runtime	Language	Date
1	Hidden user	0.56 s	Kotlin	2020-03-21 07:07:07
2	Jacob Huebner	0.70 s	Kotlin	2021-06-16 21:45:11
3	Nico Metger	0.79 s	Kotlin	2021-11-19 16:28:49
4	Martijn Muijsers	0.83 s	Kotlin	2024-06-06 16:21:52
5	Phường Lên	0.94 s	Kotlin	2019-10-27 02:45:24
6	Zhengqing Ye	0.96 s	Kotlin	2018-10-20 21:32:53
7	Morten Bergmann	0.98 s	Kotlin	2020-09-09 15:20:18
8	Adam Rankin	1.04 s	Kotlin	2023-05-09 01:04:11
9	Dayan Ruben Gonzalez	1.09 s	Kotlin	2020-10-09 04:42:42
10	Ola Sundell	1.14 s	Kotlin	2023-09-10 19:48:20

#	User	Runtime	Language	Date
1	Dũ Quốc Huy	0.06 s	Pascal	2019-08-14 16:43:20

#	User	Runtime	Language	Date
1	Renate	0.35 s	PHP	2022-08-09 02:03:55

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.10 s	Python 2	2017-11-11 18:52:52
2	Victor Zheng	0.10 s	Python 2	2017-11-12 04:06:13
3	Kasper Borys	0.10 s	Python 2	2017-11-15 23:35:08
4	Måns Magnusson	0.10 s	Python 2	2018-09-22 12:44:37
5	Tristan Sparks	0.10 s	Python 2	2019-11-08 22:55:36
6	Agis Daniels	0.10 s	Python 2	2020-03-24 09:42:51
7	Ciara Godwin	0.11 s	Python 2	2017-11-28 13:02:21
8	Hidden user	0.11 s	Python 2	2018-07-29 12:55:51
9	Lars Åström	0.11 s	Python 2	2018-09-22 12:52:50
10	Maj Stenmark	0.11 s	Python 2	2018-09-27 16:36:05

#	User	Runtime	Language	Date
1	Ole Vik Lysne	0.08 s	Python 3	2025-06-20 12:55:39
2	Yi-Min Seah	0.12 s	Python 3	2022-06-10 17:18:03
3	crapcode	0.12 s	Python 3	2022-06-29 12:20:19
4	Guo Wei	0.12 s	Python 3	2022-07-08 08:01:47
5	Alexander Zhou	0.12 s	Python 3	2024-09-18 00:24:47
6	Lars Jaffke	0.12 s	Python 3	2024-10-14 10:02:58
7	Sigrid Hauknes	0.12 s	Python 3	2024-10-14 15:22:40
8	Julio César Góez Gutiérrez	0.12 s	Python 3	2024-10-14 15:48:19
9	Daniel Krigsvoll	0.12 s	Python 3	2024-10-14 15:56:53
10	Noah Niederklein	0.12 s	Python 3	2024-10-15 21:52:06

#	User	Runtime	Language	Date
1	Frederik Petersen	0.20 s	Ruby	2022-09-21 14:10:18
2	Thomas Feld	0.28 s	Ruby	2023-01-11 15:32:43
3	Andreas Severin Hauch Trøstrup	1.37 s	Ruby	2022-09-20 20:12:58
4	Frederik Spang	1.46 s	Ruby	2022-09-22 13:01:17

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2024-07-28 17:23:47
2	Ole Vik Lysne	0.01 s	Rust	2025-06-19 16:31:39
3	Alice Ryhl	0.02 s	Rust	2022-06-17 16:17:36
4	Artur Khuziakhmetov	0.02 s	Rust	2022-07-23 10:57:26
5	Pankajkumar Patro	0.02 s	Rust	2025-07-19 13:01:15
6	Dalton Cole	0.03 s	Rust	2021-11-05 04:24:37
7	Rolf Martin Glomsrud	0.03 s	Rust	2022-08-24 17:50:47
8	Muhammad Rais Fathin Mudzakir	0.04 s	Rust	2021-05-13 07:43:54
9	Akemi Izuko	0.04 s	Rust	2022-05-14 00:34:30
10	Tuncay Alarcin	0.04 s	Rust	2023-11-16 10:34:30

#	User	Length	Language	Date
1	Chenzhang Hu	850	Bash	2024-04-14 11:20:27

#	User	Length	Language	Date
1	Kaaden RumanCam	533	C	2021-10-05 22:19:23
2	pengin	649	C	2021-06-15 13:18:51
3	Naveen Kumar S	653	C	2025-03-29 10:39:22
4	Shehab Ahmed Hatem	749	C	2023-12-03 17:02:12
5	Daniel	782	C	2021-11-19 17:13:11
6	James Inman	877	C	2024-11-09 16:19:13
7	Caeden Whitaker	1005	C	2021-12-17 01:44:06
8	Ryan Chang	1083	C	2018-11-07 15:03:02
9	Chenzhang Hu	1087	C	2018-09-11 08:26:46
10	Hidden user	1207	C	2019-10-27 04:44:29

#	User	Length	Language	Date
1	traxex	383	C#	2024-05-26 17:35:11
2	NIELSEN HADRINATA SUNANDAR	611	C#	2020-05-20 21:50:07
3	Göran Andersson	636	C#	2022-05-25 20:09:59
4	Abu Gnob	668	C#	2020-05-21 12:43:26
5	NADIA SPERANSA LOURIN	730	C#	2020-05-27 19:03:48
6	LIEKY WIJAYA	857	C#	2020-05-25 16:09:57
7	Gurpartap Singh Bhatti	937	C#	2020-04-22 04:22:32
8	Henrik Hallbert	1001	C#	2022-03-26 16:29:11
9	Ben-Richard Ebbesvik	1093	C#	2022-03-19 11:23:00
10	Benita Clarissa	1161	C#	2020-05-03 08:24:38

#	User	Length	Language	Date
1	Elias Lolck	336	C++	2023-05-18 13:21:50
2	Phúc Lê Minh	342	C++	2019-08-14 14:03:42
3	Frederick Pek	347	C++	2021-06-29 02:56:38
4	Mugeon Kim	351	C++	2024-05-24 02:41:05
5	Way Tan	365	C++	2018-12-12 03:32:22
6	Martina Alvarez Espinoza	376	C++	2024-10-21 07:13:04
7	Patrick Losique	384	C++	2019-09-03 22:41:17
8	William Gan	390	C++	2018-04-17 10:01:49
9	Zane Yu	395	C++	2018-12-09 11:10:52
10	Adelin Bojan	403	C++	2021-10-09 11:38:23

#	User	Length	Language	Date
1	Hidden user	612	Common Lisp	2019-06-27 03:56:48
2	David Cawthon	1065	Common Lisp	2019-08-14 01:59:52

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	587	F#	2022-11-27 10:42:05

#	User	Length	Language	Date
1	Miguel Martinez	594	Go	2019-07-16 03:27:15
2	Norbert Voelker	1058	Go	2021-06-18 22:27:07

#	User	Length	Language	Date
1	Matthew Craven	394	Haskell	2018-10-28 14:19:27
2	Jon-Magnus Rosenblad	426	Haskell	2022-06-14 12:39:45
3	Morten Bergmann	691	Haskell	2020-09-09 14:25:52
4	Jan Hrček	800	Haskell	2021-03-12 18:15:30
5	Steinar Simonnes	823	Haskell	2024-08-07 14:58:17
6	Samuel Gaskins	941	Haskell	2023-01-31 05:35:14
7	Brent Yorgey	1195	Haskell	2017-12-21 04:51:29
8	Hidden user	3154	Haskell	2019-04-15 13:57:06
9	Hidden user	9213	Haskell	2019-11-02 12:28:50

#	User	Length	Language	Date
1	Doug Goodman	527	Java	2017-12-04 21:31:41
2	Yeung Man Tsung	548	Java	2022-07-26 16:11:59
3	Eric Leow Yu Quan	583	Java	2020-12-20 10:56:38
4	Daniel West	603	Java	2018-01-22 21:40:47
5	Tech Savanna	611	Java	2018-04-06 05:07:39
6	BAO JIAQI	613	Java	2021-06-30 08:48:22
7	Huang Qiming	616	Java	2021-06-30 11:16:06
8	Nanda Thant Sin	627	Java	2019-08-11 10:36:39
9	Hidden user	631	Java	2020-09-06 12:10:33
10	Danial Motamedi Mehr	632	Java	2020-02-03 22:02:33

#	User	Length	Language	Date
1	Peter Kedemo	749	JavaScript (Node.js)	2020-01-11 10:38:46
2	Hidden user	830	JavaScript (Node.js)	2024-09-25 19:34:25
3	Niamh Limerick	1044	JavaScript (Node.js)	2022-05-06 20:19:08
4	Hidden user	1414	JavaScript (Node.js)	2022-07-08 09:58:22
5	Simon Lixenfeld	2338	JavaScript (Node.js)	2022-09-13 19:14:05
6	Mikael Fiala-Lundström	2609	JavaScript (Node.js)	2021-06-20 13:34:24

#	User	Length	Language	Date
1	Jimmy Gustafsson	172	JavaScript (SpiderMonkey)	2024-08-18 17:42:46
2	Bjørn Chr. Soltvedt	276	JavaScript (SpiderMonkey)	2017-11-12 02:05:14
3	Zach Tschetter	312	JavaScript (SpiderMonkey)	2023-06-20 23:38:59
4	Christian Pilegaard Cederquist	345	JavaScript (SpiderMonkey)	2023-02-17 18:23:03
5	Christopher Walther	635	JavaScript (SpiderMonkey)	2021-05-07 15:16:03

#	User	Length	Language	Date
1	Danny Robinson	108	Julia	2023-09-28 08:01:08
2	Noszály Csaba	132	Julia	2025-03-27 17:25:06
3	Timothy Gaede	870	Julia	2024-08-13 14:41:47

#	User	Length	Language	Date
1	Dayan Ruben Gonzalez	432	Kotlin	2020-10-09 04:42:42
2	Morten Bergmann	445	Kotlin	2020-09-09 15:20:18
3	Adam Rankin	466	Kotlin	2023-05-09 01:04:11
4	Zhengqing Ye	622	Kotlin	2018-10-20 21:32:53
5	Nico Metger	623	Kotlin	2021-11-19 16:28:49
6	Phường Lên	662	Kotlin	2019-10-27 02:45:24
7	Suyash Sinha	664	Kotlin	2023-09-19 13:27:10
8	Ola Sundell	817	Kotlin	2023-09-10 19:48:20
9	Martijn Muijsers	971	Kotlin	2024-06-06 16:21:52
10	Hidden user	1190	Kotlin	2020-03-21 07:07:07

#	User	Length	Language	Date
1	Dũ Quốc Huy	1734	Pascal	2019-08-14 16:43:20

#	User	Length	Language	Date
1	Renate	665	PHP	2022-08-09 02:03:55

#	User	Length	Language	Date
1	Thomas Feld	228	Python 2	2019-10-28 20:17:21
2	Kasper Borys	230	Python 2	2017-11-15 23:35:08
3	Måns Magnusson	264	Python 2	2018-09-22 12:44:37
4	Maj Stenmark	264	Python 2	2018-09-27 16:36:05
5	Jesper Öqvist	278	Python 2	2018-11-01 22:55:03
6	Andreas Björklund	279	Python 2	2019-12-26 09:01:19
7	Victor Zheng	284	Python 2	2017-11-12 04:06:13
8	Godmar Back	289	Python 2	2018-10-20 02:04:55
9	Guan Yang Ze	301	Python 2	2019-09-27 15:17:23
10	Christofer Ohlsson	308	Python 2	2017-11-11 18:52:52

#	User	Length	Language	Date
1	Lee Isaac	170	Python 3	2022-11-12 22:01:42
2	Praveen Roshan R R	170	Python 3	2025-09-14 05:07:07
3	Thanishka R	170	Python 3	2025-09-14 05:25:40
4	Rumbin Lee	171	Python 3	2023-05-18 11:37:06
5	Zeheng Li	172	Python 3	2024-01-04 10:03:06
6	Farzam Abrishami	173	Python 3	2024-01-23 22:14:12
7	Benjamin Z White	176	Python 3	2023-04-13 21:40:14
8	Thibault Raffaillac	192	Python 3	2024-08-02 23:32:25
9	Wouter Dijkstra	193	Python 3	2022-06-17 19:38:57
10	Casper Rysgaard	196	Python 3	2022-01-19 16:21:52

#	User	Length	Language	Date
1	Thomas Feld	69	Ruby	2023-01-11 15:32:43
2	Frederik Spang	81	Ruby	2022-09-21 15:14:35
3	Frederik Petersen	100	Ruby	2022-09-21 14:10:18
4	Andreas Severin Hauch Trøstrup	126	Ruby	2022-09-20 21:56:17

#	User	Length	Language	Date
1	Dalton Cole	479	Rust	2021-11-05 04:24:37
2	Pankajkumar Patro	703	Rust	2025-07-19 13:01:15
3	Bas Dirks	801	Rust	2022-01-12 16:08:01
4	Akemi Izuko	867	Rust	2022-05-14 00:34:30
5	Artur Khuziakhmetov	907	Rust	2022-07-23 10:57:26
6	Rolf Martin Glomsrud	989	Rust	2022-08-24 17:52:45
7	Alice Ryhl	1159	Rust	2022-06-17 16:17:36
8	Hidden user	1368	Rust	2022-12-07 19:02:11
9	Tuncay Alarcin	1471	Rust	2023-11-16 10:34:30
10	Ole Vik Lysne	3788	Rust	2025-06-19 16:31:39

Solution running time distribution