Problem J
Book Shelves — Problem Statistics

Back to problem description

Submissions	2938
Accepted submissions	656
Submission ratio	22.33%
Authors	514
Full solves [?]	342
Full solve Ratio	66.54%

#	User	Score	Language	Date
1	Chenzhang Hu	100	Bash	2024-04-17 18:26:22

#	User	Score	Language	Date
1	TheACEofTrump	100	C	2022-11-21 08:22:13
2	Ioannis Br	100	C	2023-10-10 23:37:14
3	Levi Migom	100	C	2024-03-16 12:42:27
4	Mirel Cosulschi	100	C	2024-08-27 16:16:38

#	User	Score	Language	Date
1	Norbert Voelker	100	Go	2023-11-20 22:27:55

#	User	Score	Language	Date
1	Hidden user	100	Haskell	2022-09-04 17:07:54
2	Åsmund Kløvstad	100	Haskell	2024-09-30 19:07:06

#	User	Score	Language	Date
1	Christian Pilegaard Cederquist	100	JavaScript (SpiderMonkey)	2024-01-04 00:06:19
2	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2024-01-12 09:33:07

#	User	Score	Language	Date
1	Adam Rankin	100	Kotlin	2023-10-09 18:09:52

#	User	Score	Language	Date
1	Johan Lyts	100	Python 2	2023-10-11 20:51:02

#	User	Score	Language	Date
1	Andreas Severin Hauch Trøstrup	100	Ruby	2023-10-11 17:15:02
2	Thomas Feld	100	Ruby	2023-10-12 15:54:15
3	Hidden user	100	Ruby	2023-11-16 07:16:33
4	Hidden user	66	Ruby	2023-11-16 06:26:52

#	User	Score	Language	Date
1	Adam Gausmann	100	Rust	2022-12-28 03:55:33
2	Daniel Anker Hermansen	100	Rust	2023-07-25 15:02:30
3	Sinjin	100	Rust	2023-11-16 21:01:52
4	Bas Dirks	100	Rust	2024-01-31 14:44:01
5	Vincent Lagerros	100	Rust	2025-06-06 14:29:24
6	Hidden user	66	Rust	2023-12-07 18:17:12

#	User	Score	Language	Date
1	Zane Endres	100	Swift	2023-11-16 21:43:07

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.09 s	Bash	2024-04-17 18:26:22

#	User	Runtime	Language	Date
1	TheACEofTrump	0.00 s	C	2022-11-21 08:22:13
2	Ioannis Br	0.00 s	C	2023-10-10 23:37:14
3	Levi Migom	0.00 s	C	2024-03-16 12:42:27
4	Mirel Cosulschi	0.00 s	C	2024-08-27 16:16:38

#	User	Runtime	Language	Date
1	William Campregher	0.04 s	C#	2023-11-10 19:34:22
2	Hidden user	0.04 s	C#	2023-11-11 01:29:28
3	Hidden user	0.04 s	C#	2023-11-12 18:25:43
4	Hidden user	0.04 s	C#	2023-11-13 04:16:48
5	Isaac Glover	0.04 s	C#	2023-11-13 13:27:56
6	Jacob Hopkins	0.04 s	C#	2023-11-14 17:59:43
7	Thomas Kauffman	0.04 s	C#	2023-11-14 19:00:16
8	Solomon Yan	0.04 s	C#	2023-11-15 00:01:41
9	Hidden user	0.04 s	C#	2023-11-15 04:16:13
10	Trevor Williams	0.04 s	C#	2023-11-16 05:27:02

#	User	Runtime	Language	Date
1	Norbert Voelker	0.00 s	Go	2023-11-20 22:27:55

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Haskell	2022-09-04 17:07:54
2	Åsmund Kløvstad	0.74 s	Haskell	2024-09-30 19:07:06

#	User	Runtime	Language	Date
1	Dhiraputta Pathama Tengara	0.06 s	Java	2023-09-15 09:48:50
2	Hidden user	0.06 s	Java	2023-10-26 10:01:41
3	Husnain Ahmad	0.06 s	Java	2023-11-16 21:07:13
4	Hang We Hong	0.06 s	Java	2023-11-25 09:31:40
5	Koo Zhuo Hui	0.07 s	Java	2023-11-01 01:01:38
6	Alexander Hallin	0.08 s	Java	2025-10-25 22:39:30
7	Timothy Wan Kai Yang	0.09 s	Java	2023-07-31 09:20:00
8	Muhammad Ayaz Dzulfikar	0.09 s	Java	2023-08-07 01:54:02
9	YANG YIBAI	0.09 s	Java	2023-08-07 18:43:07
10	Hidden user	0.09 s	Java	2023-08-13 05:42:08

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2024-01-12 09:33:07
2	Christian Pilegaard Cederquist	0.04 s	JavaScript (SpiderMonkey)	2024-01-04 00:06:19

#	User	Runtime	Language	Date
1	Adam Rankin	0.24 s	Kotlin	2023-10-09 18:09:52

#	User	Runtime	Language	Date
1	Johan Lyts	0.17 s	Python 2	2023-10-11 20:51:02

#	User	Runtime	Language	Date
1	Ahmed Chamseddine	0.04 s	Python 3	2024-11-12 15:15:21
2	Jacob Lorenzen	0.04 s	Python 3	2025-05-03 13:57:32
3	Victor Song	0.05 s	Python 3	2022-12-29 11:12:54
4	Rakesh Ravinder Gill	0.05 s	Python 3	2023-02-25 11:09:01
5	Steven Halim	0.05 s	Python 3	2023-02-25 16:51:06
6	Hidden user	0.05 s	Python 3	2023-02-28 08:21:52
7	Mason Barnhill	0.05 s	Python 3	2023-05-29 04:03:09
8	Teikn Smith	0.05 s	Python 3	2023-08-02 05:34:10
9	Hidden user	0.05 s	Python 3	2023-08-29 08:26:28
10	Lee Yi Heng	0.05 s	Python 3	2023-09-22 18:28:09

#	User	Runtime	Language	Date
1	Andreas Severin Hauch Trøstrup	0.06 s	Ruby	2023-10-11 17:17:44
2	Hidden user	0.15 s	Ruby	2023-11-16 07:16:33
3	Thomas Feld	0.16 s	Ruby	2023-10-12 15:54:15

#	User	Runtime	Language	Date
1	Adam Gausmann	0.00 s	Rust	2022-12-28 03:55:33
2	Daniel Anker Hermansen	0.00 s	Rust	2023-07-25 15:02:30
3	Sinjin	0.00 s	Rust	2023-11-16 21:01:52
4	Vincent Lagerros	0.00 s	Rust	2025-06-06 14:29:24
5	Bas Dirks	0.01 s	Rust	2024-01-31 14:44:01

#	User	Runtime	Language	Date
1	Zane Endres	0.00 s	Swift	2023-11-16 21:43:07

#	User	Length	Language	Date
1	Chenzhang Hu	1526	Bash	2024-04-17 18:26:22

#	User	Length	Language	Date
1	TheACEofTrump	308	C	2022-11-21 08:32:10
2	Ioannis Br	694	C	2023-10-10 23:37:14
3	Mirel Cosulschi	1282	C	2025-05-02 13:58:29
4	Levi Migom	1782	C	2024-03-16 12:42:27

#	User	Length	Language	Date
1	Ruben Rystedt	565	C#	2025-06-29 22:27:04
2	Andy Duong	1334	C#	2023-11-17 04:37:02
3	William	1522	C#	2023-11-16 22:26:16
4	William Campregher	1547	C#	2023-11-10 19:34:22
5	Hidden user	1739	C#	2023-11-15 04:16:41
6	Jialin Wu	1819	C#	2023-11-17 01:24:23
7	Linus Lithner	1959	C#	2025-10-25 22:13:11
8	Ali Hassoun	2129	C#	2023-11-19 07:06:27
9	Zack Freeman	2254	C#	2023-11-16 21:23:20
10	Pyae Sone	2269	C#	2023-11-17 23:35:14

#	User	Length	Language	Date
1	Victor Vatn	405	C++	2022-10-25 11:54:56
2	u8y7541	581	C++	2023-06-17 23:59:32
3	Neo Wei Jun Samuel	595	C++	2024-05-07 10:21:19
4	Viktor Rösler	705	C++	2022-07-21 11:01:17
5	Dmitry Lyubshin	719	C++	2023-04-25 11:43:43
6	KHOO YU HERN	746	C++	2023-11-14 10:10:23
7	Ernest Ng Zi Xuan	794	C++	2023-08-04 19:19:48
8	Alexander Skidanov	840	C++	2025-02-17 13:53:30
9	David Björklund	847	C++	2023-01-02 20:41:41
10	Bjarki Baldursson Harksen	853	C++	2023-02-04 02:24:16

#	User	Length	Language	Date
1	Norbert Voelker	3248	Go	2023-11-20 22:32:15

#	User	Length	Language	Date
1	Åsmund Kløvstad	1168	Haskell	2024-09-30 19:07:06
2	Hidden user	1626	Haskell	2022-09-04 17:39:15

#	User	Length	Language	Date
1	Koh Tee Sing Newton	1003	Java	2023-08-06 23:38:59
2	Samer Ismael	1110	Java	2024-05-17 13:51:21
3	Tan Zi Yang	1180	Java	2023-08-15 16:01:23
4	Hidden user	1275	Java	2023-08-15 18:48:51
5	Tan Wee Kian, Justin	1328	Java	2023-09-17 14:07:58
6	Connor Buchanan	1347	Java	2023-11-16 18:29:43
7	Reiden Ong	1356	Java	2023-12-09 13:06:26
8	Hang We Hong	1399	Java	2023-11-25 09:31:40
9	Wentao Zhang	1504	Java	2023-11-17 06:13:40
10	Tingting Zhou	1509	Java	2023-11-17 06:09:11

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	322	JavaScript (SpiderMonkey)	2024-01-12 09:54:40
2	Christian Pilegaard Cederquist	741	JavaScript (SpiderMonkey)	2024-01-04 00:06:19

#	User	Length	Language	Date
1	Adam Rankin	1558	Kotlin	2023-10-09 18:09:52

#	User	Length	Language	Date
1	Johan Lyts	605	Python 2	2023-10-11 20:51:02

#	User	Length	Language	Date
1	Nicholas Russell Saerang	177	Python 3	2023-10-07 21:39:45
2	Jonathan Dastrup	237	Python 3	2024-05-31 20:28:46
3	Ryan Tan	248	Python 3	2023-10-07 20:54:14
4	Teikn Smith	301	Python 3	2023-08-02 05:48:02
5	Ahmed Chamseddine	304	Python 3	2024-11-12 15:15:21
6	Victor Song	363	Python 3	2022-12-29 11:12:22
7	Huang Yuwei	412	Python 3	2023-10-30 02:37:31
8	ZHANG LIAO	428	Python 3	2023-10-11 17:34:50
9	Lim Zhen Lun Bryan	437	Python 3	2023-10-09 09:49:24
10	Hidden user	479	Python 3	2022-12-26 20:45:45

#	User	Length	Language	Date
1	Thomas Feld	148	Ruby	2023-10-12 16:01:19
2	Andreas Severin Hauch Trøstrup	155	Ruby	2023-10-11 17:42:07
3	Hidden user	1670	Ruby	2023-11-16 07:16:33

#	User	Length	Language	Date
1	Vincent Lagerros	778	Rust	2025-06-06 14:29:24
2	Bas Dirks	1840	Rust	2024-01-31 14:44:01
3	Adam Gausmann	2702	Rust	2022-12-28 03:55:57
4	Sinjin	2837	Rust	2023-11-16 21:04:15
5	Daniel Anker Hermansen	24213	Rust	2023-07-25 15:02:30

#	User	Length	Language	Date
1	Zane Endres	2936	Swift	2023-11-16 21:43:07

Solution running time distribution