Problem A
Buying Books — Problem Statistics

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Submissions	484
Accepted submissions	368
Submission ratio	76.03%
Authors	180
Accepted authors	163
Author ratio	90.56%

#	User	Score	Language	Date
1	klimisnotmilk	100	C	2024-08-24 04:22:05
2	Mikael K Eriksson	100	C	2022-11-04 22:58:49
3	TheACEofTrump	100	C	2022-11-25 09:59:27

#	User	Score	Language	Date
1	Norbert Voelker	100	Go	2022-08-07 23:56:59

#	User	Score	Language	Date
1	Brent Yorgey	100	Haskell	2022-08-06 17:36:37

#	User	Score	Language	Date
1	Lew Choon Hean	100	Java	2024-04-17 02:57:35
2	Bjørn Dons	100	Java	2023-01-29 20:37:03
3	Suhas T. Nagar	100	Java	2024-10-22 23:42:31
4	Crystal Sharpe	100	Java	2022-08-02 00:38:21
5	Luke Eales	100	Java	2023-10-07 10:28:59
6	Logan Pipes	100	Java	2022-08-02 05:59:46
7	Doug Goodman	100	Java	2022-07-12 20:34:02
8	Tyler Ross	100	Java	2023-04-13 07:45:55
9	Lucas Judys	60	Java	2022-10-23 22:08:44
10	Marco Troltsch	40	Java	2022-12-03 15:57:48

#	User	Score	Language	Date
1	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2022-07-06 14:47:51
2	Christian Cederquist	100	JavaScript (SpiderMonkey)	2024-01-14 20:46:54
3	Zach Tschetter	80	JavaScript (SpiderMonkey)	2023-06-07 20:22:13

#	User	Score	Language	Date
1	Mark Lekkerkerker	100	Kotlin	2023-06-25 21:16:29
2	Danny Mittal	100	Kotlin	2022-09-14 04:21:26

#	User	Score	Language	Date
1	Andriy Zyevakov	60	Prolog	2024-11-25 09:15:42

#	User	Score	Language	Date
1	Miorel Palii	80	Ruby	2024-01-16 19:51:28

#	User	Score	Language	Date
1	Vincent Lagerros	100	Rust	2024-10-17 18:18:18
2	Patrick Elsen	60	Rust	2022-09-09 19:14:31
3	Bas Dirks	20	Rust	2024-01-27 06:23:23

#	User	Score	Language	Date
1	Jonathan Hallström	100	Zig	2024-10-13 17:15:38
2	arthur	100	Zig	2024-07-18 11:00:27

#	User	Runtime	Language	Date
1	klimisnotmilk	0.02 s	C	2024-08-24 04:22:05
2	Mikael K Eriksson	0.05 s	C	2022-11-04 22:58:49
3	TheACEofTrump	0.08 s	C	2022-11-25 09:59:27

#	User	Runtime	Language	Date
1	AndrescuIII	0.01 s	C++	2024-02-12 14:49:30
2	Jonathan Hallström	0.01 s	C++	2024-10-17 17:04:08
3	Jesús Pacheco Alonso	0.01 s	C++	2025-01-12 20:00:39
4	Nicholas Foo Chuan Le	0.02 s	C++	2022-07-03 17:04:28
5	Hidden user	0.02 s	C++	2022-07-18 17:18:15
6	Kattis Speedrun	0.02 s	C++	2022-07-22 01:02:47
7	Tobias Glimmerfors	0.02 s	C++	2022-08-07 15:29:31
8	Andrew Polizzotto	0.02 s	C++	2022-08-17 03:59:54
9	Joshua Andersson	0.02 s	C++	2023-08-13 17:47:14
10	Tan Wee Kean	0.02 s	C++	2024-02-13 05:08:25

#	User	Runtime	Language	Date
1	Norbert Voelker	0.09 s	Go	2022-08-07 23:56:59

#	User	Runtime	Language	Date
1	Brent Yorgey	1.31 s	Haskell	2022-08-06 17:36:37

#	User	Runtime	Language	Date
1	Lew Choon Hean	0.13 s	Java	2024-04-17 02:57:35
2	Bjørn Dons	0.14 s	Java	2023-01-29 20:37:03
3	Suhas T. Nagar	0.18 s	Java	2024-10-22 23:42:31
4	Crystal Sharpe	0.20 s	Java	2022-08-02 00:38:21
5	Luke Eales	0.24 s	Java	2023-10-07 10:28:59
6	Logan Pipes	0.27 s	Java	2022-08-02 05:59:46
7	Doug Goodman	0.36 s	Java	2022-07-12 20:34:02
8	Tyler Ross	0.41 s	Java	2023-04-13 07:45:55

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.22 s	JavaScript (SpiderMonkey)	2022-07-06 14:47:51
2	Christian Cederquist	0.60 s	JavaScript (SpiderMonkey)	2024-01-14 20:46:54

#	User	Runtime	Language	Date
1	Mark Lekkerkerker	0.37 s	Kotlin	2023-06-25 21:16:29
2	Danny Mittal	1.11 s	Kotlin	2022-09-14 04:21:26

#	User	Runtime	Language	Date
1	Ruth Risberg	0.13 s	Python 3	2023-12-05 15:41:01
2	Tai Tze Kin	0.16 s	Python 3	2024-02-12 18:22:35
3	Oskar Haarklou Veileborg	0.25 s	Python 3	2022-09-24 14:15:32
4	Pelle Danasten	0.30 s	Python 3	2023-11-17 10:33:41
5	Kyle Wells	0.30 s	Python 3	2025-04-11 02:18:13
6	Anton Engström	0.35 s	Python 3	2025-01-14 19:11:50
7	Duoduo Zhao	0.35 s	Python 3	2025-07-01 15:30:53
8	Casper Rysgaard	0.36 s	Python 3	2022-09-24 17:08:57
9	Hidden user	0.45 s	Python 3	2023-07-08 15:36:51
10	Benjamin Z White	0.46 s	Python 3	2023-07-27 12:07:44

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-10-17 18:18:18

#	User	Runtime	Language	Date
1	Jonathan Hallström	0.00 s	Zig	2024-10-13 17:15:38
2	arthur	0.25 s	Zig	2024-07-18 11:00:27

#	User	Length	Language	Date
1	TheACEofTrump	476	C	2022-11-25 10:06:34
2	Mikael K Eriksson	1033	C	2022-11-04 22:58:49
3	klimisnotmilk	1081	C	2024-08-24 04:22:05

#	User	Length	Language	Date
1	AndrescuIII	712	C++	2024-02-12 14:49:30
2	Ritul Kumar Singh	720	C++	2024-02-16 10:15:37
3	Nguyễn Nhật Minh	720	C++	2024-02-15 12:27:42
4	Luka Heric	825	C++	2024-03-28 13:22:09
5	Juan Carlo Vieri	848	C++	2024-02-17 08:04:03
6	Paco Criado	853	C++	2022-12-02 17:23:23
7	Kattis Speedrun	879	C++	2022-07-22 01:02:47
8	Tobias Glimmerfors	880	C++	2022-08-07 15:29:31
9	Albert Ariel Putra	888	C++	2024-02-15 04:17:09
10	黃太陽	891	C++	2022-07-29 19:06:33

#	User	Length	Language	Date
1	Norbert Voelker	1806	Go	2022-08-07 23:56:59

#	User	Length	Language	Date
1	Brent Yorgey	9453	Haskell	2022-08-06 17:36:37

#	User	Length	Language	Date
1	Doug Goodman	1565	Java	2022-07-12 20:34:02
2	Crystal Sharpe	1579	Java	2022-08-02 00:38:21
3	Logan Pipes	1701	Java	2022-08-02 05:32:40
4	Tyler Ross	1869	Java	2023-04-13 07:45:55
5	Luke Eales	1890	Java	2023-10-07 10:28:59
6	Lew Choon Hean	3951	Java	2024-04-17 02:57:35
7	Suhas T. Nagar	5279	Java	2024-10-22 23:42:31
8	Bjørn Dons	6201	Java	2023-01-29 20:37:03

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	680	JavaScript (SpiderMonkey)	2022-08-19 17:00:43
2	Christian Cederquist	911	JavaScript (SpiderMonkey)	2024-01-14 18:01:11

#	User	Length	Language	Date
1	Danny Mittal	976	Kotlin	2022-09-14 04:21:26
2	Mark Lekkerkerker	1832	Kotlin	2023-06-25 21:16:29

#	User	Length	Language	Date
1	Benjamin Z White	307	Python 3	2023-07-27 16:24:58
2	Ahmed Chamseddine	429	Python 3	2025-06-06 18:06:08
3	Peter Stauder	450	Python 3	2023-05-04 22:04:18
4	Nicholas Russell Saerang	457	Python 3	2024-02-12 20:10:56
5	Tai Tze Kin	551	Python 3	2024-02-12 18:22:35
6	Arnav Sastry	588	Python 3	2023-09-15 05:14:52
7	Casper Rysgaard	629	Python 3	2022-09-24 17:08:57
8	Jonathan Cederlund	638	Python 3	2025-04-24 17:03:12
9	Ruth Risberg	639	Python 3	2023-12-05 15:41:01
10	James Rettie	647	Python 3	2022-09-23 13:45:13

#	User	Length	Language	Date
1	Vincent Lagerros	19928	Rust	2024-10-17 18:18:18

#	User	Length	Language	Date
1	Jonathan Hallström	1695	Zig	2024-10-13 17:15:38
2	arthur	3291	Zig	2024-07-18 11:00:27

Solution running time distribution