Problem A
The Deal of the Day — Problem Statistics

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Submissions	943
Accepted submissions	564
Submission ratio	59.81%
Authors	481
Full solves [?]	445
Full solve Ratio	92.52%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2019-11-16 15:41:49
2	Naveen Kumar S	0.00 s	C	2025-04-20 06:25:51

#	User	Runtime	Language	Date
1	Emil Bak-Møller	0.03 s	C#	2020-02-14 00:59:48
2	Adam Imbert	0.03 s	C#	2022-04-12 01:03:11
3	Göran Andersson	0.03 s	C#	2022-05-21 02:00:21

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-06-18 17:44:21

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Haskell	2023-01-13 21:20:05
2	Ola Berglund	0.00 s	Haskell	2023-10-19 18:11:22
3	Steinar Simonnes	0.00 s	Haskell	2024-04-05 10:46:07
4	Brent Yorgey	0.01 s	Haskell	2019-11-15 20:13:51
5	Hidden user	0.01 s	Haskell	2019-11-18 17:12:16
6	Isaac Arvestad	0.01 s	Haskell	2020-03-19 11:54:25
7	Jan Hrček	0.01 s	Haskell	2021-03-24 05:44:45

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.06 s	Java	2020-05-02 16:36:05
2	Liam Keliher	0.06 s	Java	2020-06-02 03:59:34
3	Andrew Polizzotto	0.06 s	Java	2020-09-06 01:06:28
4	Matthew Sabatino	0.06 s	Java	2021-01-14 09:31:33
5	Jacob Huebner	0.06 s	Java	2022-11-04 22:26:01
6	Justin Huynh	0.06 s	Java	2023-09-01 05:47:31
7	Ranjith M	0.06 s	Java	2025-10-29 02:23:07
8	BluE Grand	0.07 s	Java	2020-07-15 01:59:52
9	Ng Yong Xiang	0.07 s	Java	2021-12-03 09:40:45
10	Sawyer Stanley	0.07 s	Java	2023-06-08 02:40:56

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-02-08 14:02:00
2	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-24 22:59:21
3	Bjørn Chr. Soltvedt	0.04 s	JavaScript (SpiderMonkey)	2019-11-26 18:26:12

#	User	Runtime	Language	Date
1	Hidden user	0.63 s	Julia	2025-09-12 23:22:48
2	Timothy Gaede	0.93 s	Julia	2024-05-21 07:11:26

#	User	Runtime	Language	Date
1	Hidden user	0.14 s	Kotlin	2020-03-29 20:00:35
2	Phường Lên	0.18 s	Kotlin	2019-11-19 21:27:54
3	Mohsen Dehbashi	0.18 s	Kotlin	2020-06-16 12:54:18
4	Adam Rankin	0.22 s	Kotlin	2026-01-13 22:00:07

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.02 s	Prolog	2023-03-04 07:46:03

#	User	Runtime	Language	Date
1	Eric Williamson	0.03 s	Python 2	2019-11-11 05:10:14
2	Johan Lyts	0.03 s	Python 2	2019-11-17 14:40:32
3	Jesper Öqvist	0.03 s	Python 2	2019-11-19 15:41:03
4	Thomas Feld	0.03 s	Python 2	2019-11-26 11:50:44
5	Andreas Björklund	0.03 s	Python 2	2020-01-05 11:23:02
6	Bertrand Evertz	0.03 s	Python 2	2020-10-31 20:00:15
7	Mukerem Ali Nur	0.03 s	Python 2	2022-09-07 19:06:36

#	User	Runtime	Language	Date
1	Godmar Back	0.02 s	Python 3	2019-11-10 15:36:00
2	Amy Burnett	0.02 s	Python 3	2019-11-14 20:42:29
3	Austin Lowery	0.02 s	Python 3	2019-11-15 00:41:27
4	Hidden user	0.02 s	Python 3	2019-11-15 22:26:33
5	Bjørn Dons	0.02 s	Python 3	2019-11-15 22:32:15
6	Jacob Raymond	0.02 s	Python 3	2019-11-16 07:49:36
7	Bergur Snorrason	0.02 s	Python 3	2019-11-16 15:28:27
8	William Taylor-Melanson	0.02 s	Python 3	2019-11-16 17:09:29
9	Hidden user	0.02 s	Python 3	2019-11-16 21:56:09
10	Hidden user	0.02 s	Python 3	2019-11-18 16:30:43

#	User	Runtime	Language	Date
1	Kok Dith	0.05 s	Ruby	2021-09-10 03:51:56
2	Gaelan C	0.05 s	Ruby	2021-09-27 22:27:35
3	Thomas Feld	0.06 s	Ruby	2023-03-28 15:18:30

#	User	Runtime	Language	Date
1	Bas Dirks	0.00 s	Rust	2022-04-04 12:06:34
2	Melvyn Depeyrot	0.00 s	Rust	2025-01-10 01:36:42
3	Vincent Lagerros	0.00 s	Rust	2025-08-19 19:10:14

#	User	Length	Language	Date
1	Naveen Kumar S	906	C	2025-04-20 06:25:51
2	Bergur Snorrason	2135	C	2019-11-16 15:41:49

#	User	Length	Language	Date
1	Göran Andersson	779	C#	2022-05-21 02:00:21
2	Emil Bak-Møller	1062	C#	2020-02-14 00:59:48
3	Adam Imbert	3767	C#	2022-04-12 01:03:11

#	User	Length	Language	Date
1	Yeung Man Tsung	413	C++	2023-01-09 12:39:04
2	David Lauran	489	C++	2022-03-11 08:51:24
3	Wen Hao	560	C++	2022-11-27 10:03:06
4	Alexander Skidanov	570	C++	2025-05-13 11:29:01
5	人外沙耶	579	C++	2020-11-09 08:08:48
6	Armen Andreasyan	591	C++	2020-07-09 21:56:40
7	Nguyen Quang Minh	644	C++	2024-05-09 16:38:53
8	BUET ALUCHASHI	645	C++	2024-10-24 12:31:41
9	Joakim Blikstad	662	C++	2019-12-01 23:21:20
10	Sohaib Bin Musa	663	C++	2024-10-24 15:49:17

#	User	Length	Language	Date
1	Norbert Voelker	1286	Go	2021-06-18 17:44:21

#	User	Length	Language	Date
1	Hidden user	255	Haskell	2023-01-13 21:20:05
2	Isaac Arvestad	371	Haskell	2020-03-19 11:54:25
3	Jan Hrček	581	Haskell	2021-03-24 05:44:45
4	Steinar Simonnes	648	Haskell	2024-04-05 10:46:33
5	Ola Berglund	771	Haskell	2023-10-19 18:11:22
6	Brent Yorgey	900	Haskell	2019-11-15 20:13:51
7	Hidden user	12276	Haskell	2019-11-18 17:12:16

#	User	Length	Language	Date
1	Kevin Kauffman	687	Java	2021-10-26 06:01:20
2	Caeden Whitaker	768	Java	2020-08-10 22:07:47
3	Ge Xia	771	Java	2019-12-09 20:20:09
4	Charlotte Zhuang	786	Java	2019-11-25 09:36:15
5	Jack Gurdin	798	Java	2023-02-17 18:38:23
6	Steve Tate	852	Java	2019-11-09 20:52:52
7	Ahmad Barhamje	853	Java	2019-12-01 01:17:55
8	David Harmeyer	856	Java	2019-12-01 18:53:48
9	Danny Mittal	860	Java	2020-04-13 22:07:45
10	周语林	862	Java	2021-01-09 00:33:39

#	User	Length	Language	Date
1	Jimmy Gustafsson	191	JavaScript (SpiderMonkey)	2024-08-24 22:59:21
2	Christian Pilegaard Cederquist	407	JavaScript (SpiderMonkey)	2023-02-08 14:02:00
3	Bjørn Chr. Soltvedt	24545	JavaScript (SpiderMonkey)	2019-11-26 18:26:12

#	User	Length	Language	Date
1	Hidden user	337	Julia	2025-09-12 23:22:48
2	Timothy Gaede	862	Julia	2024-05-21 07:11:26

#	User	Length	Language	Date
1	Adam Rankin	448	Kotlin	2026-01-13 22:00:07
2	Phường Lên	694	Kotlin	2019-11-19 21:27:54
3	Mohsen Dehbashi	711	Kotlin	2020-06-16 12:54:18
4	Hidden user	1212	Kotlin	2020-03-29 20:00:35

#	User	Length	Language	Date
1	Hakan Kjellerstrand	591	Prolog	2023-03-04 07:46:03

#	User	Length	Language	Date
1	Thomas Feld	164	Python 2	2019-11-26 11:46:24
2	Mukerem Ali Nur	204	Python 2	2019-11-27 11:39:23
3	Eric Williamson	244	Python 2	2019-11-11 05:10:14
4	Andreas Björklund	265	Python 2	2020-01-05 11:23:02
5	Johan Lyts	320	Python 2	2019-11-17 14:40:32
6	Jesper Öqvist	326	Python 2	2019-11-19 15:41:03
7	Bertrand Evertz	335	Python 2	2020-10-31 20:00:15

#	User	Length	Language	Date
1	Ahmed Chamseddine	118	Python 3	2024-08-20 14:33:54
2	Michael Goldwasser	121	Python 3	2024-04-03 05:15:45
3	Thibault Raffaillac	122	Python 3	2024-08-19 18:11:04
4	Dmitry Lyubshin	137	Python 3	2023-04-04 13:31:28
5	Lee Isaac	143	Python 3	2022-12-23 16:21:29
6	Christofer Ohlsson	151	Python 3	2022-09-11 21:10:22
7	Thomas Draper	156	Python 3	2023-09-29 03:49:59
8	Tai Tze Kin	159	Python 3	2024-05-08 12:37:31
9	Rafael Kristoforus Yanto	163	Python 3	2025-02-21 19:44:25
10	Noah Hessen Bjerke	168	Python 3	2024-02-09 11:14:57

#	User	Length	Language	Date
1	Thomas Feld	63	Ruby	2023-03-28 15:18:30
2	Kok Dith	229	Ruby	2021-09-10 03:51:56
3	Gaelan C	244	Ruby	2021-09-27 22:27:35

#	User	Length	Language	Date
1	Vincent Lagerros	506	Rust	2025-08-19 19:10:14
2	Melvyn Depeyrot	949	Rust	2025-01-10 01:36:42
3	Bas Dirks	1292	Rust	2022-04-04 12:06:34

Solution running time distribution