Problem A
Booking — Problem Statistics

Back to problem description

Submissions	1989
Accepted submissions	725
Submission ratio	36.45%
Authors	428
Full solves [?]	334
Full solve Ratio	78.04%

#	User	Runtime	Language	Date
1	Gabriel Morosini	0.20 s	C	2022-11-29 14:53:11
2	Ananthi Kalirajan	0.20 s	C	2023-05-24 13:30:28
3	Aman Banti	0.20 s	C	2023-06-01 12:24:50
4	Amanuel Bantidagn	0.20 s	C	2023-06-01 12:27:12
5	Mirel Cosulschi	0.20 s	C	2025-05-25 20:07:36
6	Quân Anh	0.21 s	C	2024-04-03 17:45:23
7	Mohammed Amine Hssaine	0.22 s	C	2024-07-22 19:31:57
8	Jón Steinn Elíasson	0.23 s	C	2020-03-25 20:01:37
9	kaminipaty sai nidhin	0.23 s	C	2020-09-15 13:49:11
10	william chang	0.23 s	C	2020-10-04 07:47:45

#	User	Runtime	Language	Date
1	Carles Bordas	0.57 s	C#	2023-07-13 10:13:42
2	Bùi Văn Mệnh	2.13 s	C#	2016-06-18 03:12:04

#	User	Runtime	Language	Date
1	Kaelin Wang Hu	0.05 s	C++	2025-09-07 04:02:16
2	Hidden user	0.08 s	C++	2020-04-09 06:05:15
3	Johan Wind	0.10 s	C++	2019-10-26 00:25:56
4	Bay Wei Heng	0.14 s	C++	2019-01-25 13:44:48
5	Alex Lind	0.14 s	C++	2019-04-14 18:38:17
6	Benjamin Reidys	0.14 s	C++	2019-04-14 22:02:40
7	DUY LE	0.14 s	C++	2025-03-19 03:54:15
8	paopaomate	0.14 s	C++	2026-03-09 04:50:58
9	Vo Khac Trieu	0.14 s	C++	2026-03-14 04:56:16
10	Neal Zane	0.15 s	C++	2014-02-15 13:37:42

#	User	Runtime	Language	Date
1	Hidden user	0.63 s	Common Lisp	2019-06-25 05:37:01

#	User	Runtime	Language	Date
1	Rosa Gutierrez	0.46 s	Go	2022-05-11 07:33:40
2	filipe	0.72 s	Go	2023-02-04 18:32:26

#	User	Runtime	Language	Date
1	Birk Tjelmeland	1.14 s	Haskell	2017-12-26 21:35:15

#	User	Runtime	Language	Date
1	Zach Glick	0.66 s	Java	2017-10-24 14:43:23
2	Arnav Sastry	0.68 s	Java	2017-10-15 19:12:22
3	Kevin Chevalier	0.80 s	Java	2017-10-15 22:00:56
4	Jiru Xu	0.81 s	Java	2017-10-15 21:50:43
5	Erik Odenman	0.93 s	Java	2013-09-19 17:20:45
6	Steven Halim	0.98 s	Java	2018-07-09 03:58:27
7	Fatikhsultan Zhakshylykov	1.04 s	Java	2020-12-26 04:26:27
8	Mike Nguyen	1.14 s	Java	2021-05-09 20:05:44
9	Đỗ Duy Tân	1.18 s	Java	2015-11-16 08:45:05
10	Diệp Hiểu Phong	1.19 s	Java	2016-09-29 14:51:32

#	User	Runtime	Language	Date
1	Duncan Adkins	0.34 s	JavaScript (Node.js)	2025-09-07 21:07:35

#	User	Runtime	Language	Date
1	Duncan Adkins	0.39 s	JavaScript (SpiderMonkey)	2025-09-07 20:36:30

#	User	Runtime	Language	Date
1	Adam Rankin	2.25 s	Kotlin	2023-09-23 15:34:42

#	User	Runtime	Language	Date
1	Andreas Björklund	1.01 s	Python 2	2021-11-16 18:16:58
2	Nguễn Hải Đại	2.10 s	Python 2	2016-09-09 04:21:41
3	Nguyễn Đức Mạnh	2.21 s	Python 2	2016-09-09 04:24:29
4	Yan Kalchevsky	2.28 s	Python 2	2015-02-23 12:24:11
5	Prateek Jain	2.35 s	Python 2	2015-05-31 09:05:04
6	Christofer Ohlsson	2.74 s	Python 2	2015-11-15 10:15:58
7	Wang Zhi Jian	2.76 s	Python 2	2019-01-26 18:54:28
8	Alexandre Loiko	2.92 s	Python 2	2015-12-30 00:27:13
9	Hidden user	3.15 s	Python 2	2016-07-17 19:02:56
10	Ragur Krishnan	3.29 s	Python 2	2019-01-09 01:54:39

#	User	Runtime	Language	Date
1	Petr	0.28 s	Python 3	2025-06-03 12:43:53
2	Caio Eduardo Marcondes	0.66 s	Python 3	2023-02-04 16:07:44
3	Eric Leow Yu Quan	0.71 s	Python 3	2025-03-04 13:50:45
4	Tristan Cohen-Rider	0.85 s	Python 3	2025-12-23 23:27:29
5	Maxim Barbe	0.88 s	Python 3	2024-10-04 03:11:43
6	Goh Sheen An	0.92 s	Python 3	2022-10-25 10:30:24
7	Saahith Janapati	0.96 s	Python 3	2024-02-03 18:11:18
8	Sam Lichtman	0.99 s	Python 3	2024-02-03 18:32:50
9	Hidden user	1.03 s	Python 3	2020-07-06 15:31:31
10	Steven Hwang	1.04 s	Python 3	2020-05-12 18:54:05

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2025-08-19 01:05:05
2	Eric Riddle	0.15 s	Rust	2025-09-10 04:10:35

#	User	Runtime	Language	Date
1	Jonathan Hallström	0.01 s	Zig	2024-10-18 11:22:30

#	User	Length	Language	Date
1	Ivan Petrov	1330	C	2019-09-18 07:39:04
2	Hidden user	1941	C	2017-05-22 19:49:48
3	Aman Banti	2071	C	2023-06-01 12:24:50
4	Amanuel Bantidagn	2071	C	2023-06-01 12:27:12
5	Mohammed Amine Hssaine	2071	C	2024-07-22 19:31:57
6	Mirel Cosulschi	2150	C	2025-05-25 20:07:36
7	Jón Steinn Elíasson	2164	C	2020-03-25 20:01:37
8	Mickye Mouse	2164	C	2021-06-16 18:51:15
9	Pranay Kiran	2164	C	2021-11-28 16:37:22
10	DHANUSHROOPAN D	2164	C	2022-05-30 06:43:59

#	User	Length	Language	Date
1	Carles Bordas	2485	C#	2023-07-13 10:13:42
2	Bùi Văn Mệnh	2660	C#	2016-06-18 03:12:04

#	User	Length	Language	Date
1	Fabio Giovanazzi	777	C++	2021-11-15 21:55:58
2	Hyunjun Lee	884	C++	2022-10-27 11:44:03
3	Hidden user	918	C++	2014-12-16 23:24:17
4	Javier del Río	1031	C++	2022-02-16 15:55:46
5	Asger Hautop Drewsen	1052	C++	2017-08-15 15:18:26
6	Markus Mathiasen	1074	C++	2021-08-22 19:34:36
7	Christopher Deodat	1080	C++	2020-10-02 07:49:37
8	Neev Kataria	1134	C++	2023-12-04 08:32:34
9	Brandon Zhang	1177	C++	2023-09-13 22:38:28
10	Johan Wind	1182	C++	2019-10-26 00:25:56

#	User	Length	Language	Date
1	Hidden user	1752	Common Lisp	2019-06-25 05:32:14

#	User	Length	Language	Date
1	Rosa Gutierrez	1514	Go	2022-05-11 07:33:40
2	filipe	2026	Go	2023-02-04 18:32:26

#	User	Length	Language	Date
1	Birk Tjelmeland	1558	Haskell	2017-12-26 21:35:15

#	User	Length	Language	Date
1	Benjamin Laurence Erickson	1454	Java	2016-02-29 15:00:54
2	Đạt Tiến Phùng	1554	Java	2016-09-06 04:38:23
3	Zhixiu Lu	1565	Java	2016-02-26 04:48:24
4	Kurtis Van Gent	1626	Java	2016-02-23 23:06:22
5	Johan Sannemo	1706	Java	2013-09-19 16:47:27
6	James Black	1773	Java	2017-09-19 11:47:49
7	Josenildo Silva	1810	Java	2018-08-17 17:11:42
8	Jay Lim	1810	Java	2019-01-22 08:54:35
9	Doug Goodman	1823	Java	2018-06-25 21:21:42
10	Zhixiu Lu	1937	Java	2016-02-26 05:41:17

#	User	Length	Language	Date
1	Duncan Adkins	2390	JavaScript (Node.js)	2025-09-06 21:51:04

#	User	Length	Language	Date
1	Duncan Adkins	2775	JavaScript (SpiderMonkey)	2025-09-07 20:36:30

#	User	Length	Language	Date
1	Adam Rankin	2500	Kotlin	2023-09-23 15:34:42

#	User	Length	Language	Date
1	Ainun Najib	602	Python 2	2020-09-14 07:20:46
2	Ragur Krishnan	630	Python 2	2019-01-09 01:54:39
3	Alexandre Loiko	727	Python 2	2015-12-30 00:11:57
4	Andreas Björklund	800	Python 2	2021-11-16 18:16:58
5	Wang Zhi Jian	803	Python 2	2019-01-26 18:54:28
6	Hidden user	1023	Python 2	2016-07-17 19:02:56
7	Christofer Ohlsson	1133	Python 2	2015-11-15 10:15:58
8	Yan Kalchevsky	1289	Python 2	2015-02-23 12:11:13
9	Prateek Jain	1325	Python 2	2015-05-31 09:05:04
10	Nguễn Hải Đại	3750	Python 2	2016-09-09 04:21:41

#	User	Length	Language	Date
1	Casper Rysgaard	389	Python 3	2024-05-22 08:26:11
2	Nicholas Russell Saerang	431	Python 3	2025-03-10 04:02:10
3	Russell	436	Python 3	2025-09-21 22:14:22
4	Simon Mandlik	567	Python 3	2023-10-19 14:06:43
5	Guillermo Hernández	597	Python 3	2021-10-23 22:44:37
6	Lew Choon Hean	687	Python 3	2025-04-16 12:53:21
7	Alfred Olsson	690	Python 3	2019-07-24 13:47:26
8	Chris Vilches	690	Python 3	2025-02-28 14:52:03
9	Oskar Haarklou Veileborg	700	Python 3	2020-04-28 18:07:17
10	alexandre dewilde	719	Python 3	2025-07-18 14:00:44

#	User	Length	Language	Date
1	Eric Riddle	2741	Rust	2025-09-10 04:12:37
2	Vincent Lagerros	23883	Rust	2024-10-18 12:40:10

#	User	Length	Language	Date
1	Jonathan Hallström	3390	Zig	2024-10-18 09:39:57

Solution running time distribution