Problem A
Anthony and Cora — Problem Statistics

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Submissions	2014
Accepted submissions	568
Submission ratio	28.20%
Authors	578
Full solves [?]	449
Full solve Ratio	77.68%

#	User	Runtime	Language	Date
1	Alexander Bilde Pedersen	0.00 s	C	2025-04-11 10:11:07
2	vance	0.01 s	C	2020-03-12 13:37:56
3	Eyleifur Bjarkason	0.01 s	C	2020-10-21 00:08:06
4	Bergur Snorrason	0.01 s	C	2020-10-22 10:50:48
5	pengin	0.02 s	C	2021-11-09 12:14:57
6	Sanjiv Dinakar	0.12 s	C	2023-04-17 11:55:04

#	User	Runtime	Language	Date
1	Frankie Chen	0.03 s	C#	2019-09-06 00:36:48
2	Mikael Fiala-Lundström	0.86 s	C#	2024-05-02 21:26:52

#	User	Runtime	Language	Date
1	Rehim Memmedli	0.00 s	C++	2017-03-18 21:02:43
2	Ludo Pulles	0.00 s	C++	2018-06-14 22:51:25
3	Pavlo Bulanchuk	0.00 s	C++	2018-08-20 18:20:13
4	April Clark	0.00 s	C++	2021-09-01 20:55:47
5	Lew Choon Hean	0.00 s	C++	2024-08-11 09:52:03
6	Zhenting Zhu	0.00 s	C++	2024-10-27 22:48:51
7	Lingsong Zeng	0.01 s	C++	2017-03-18 20:09:17
8	Ojas Deshpande	0.01 s	C++	2017-03-18 20:13:15
9	Sean Purcell	0.01 s	C++	2017-03-18 20:13:49
10	David Berard	0.01 s	C++	2017-03-18 20:40:55

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	D	2025-09-19 20:33:06
2	Hidden user	0.02 s	D	2025-09-19 22:08:18

#	User	Runtime	Language	Date
1	Yitian Wang	0.03 s	Go	2023-02-04 06:23:07

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.36 s	Haskell	2025-06-18 08:56:32

#	User	Runtime	Language	Date
1	Aldo Chow	0.09 s	Java	2017-03-20 14:07:42
2	Micah Stairs	0.09 s	Java	2017-03-28 17:17:00
3	Nick Wu	0.09 s	Java	2017-06-18 03:11:55
4	Måns Magnusson	0.09 s	Java	2017-09-17 11:18:26
5	Måns Magnusson	0.09 s	Java	2017-09-17 15:41:59
6	Brent Yorgey	0.09 s	Java	2018-10-19 03:29:30
7	Daniel Dastoor	0.10 s	Java	2017-03-18 23:34:09
8	Kenneth Yang	0.10 s	Java	2017-03-20 14:48:38
9	Liam Keliher	0.10 s	Java	2017-03-26 01:18:37
10	Finn Lidbetter	0.10 s	Java	2017-06-02 01:45:34

#	User	Runtime	Language	Date
1	Timothy Gaede	0.53 s	Julia	2026-02-12 08:25:45
2	Hidden user	0.65 s	Julia	2025-09-19 10:13:06

#	User	Runtime	Language	Date
1	Adam Rankin	0.28 s	Kotlin	2023-10-05 22:46:37
2	Danny Mittal	0.29 s	Kotlin	2022-09-14 04:43:45
3	Phường Lên	0.37 s	Kotlin	2020-04-16 07:53:46

#	User	Runtime	Language	Date
1	Jasper Lu	0.06 s	Python 2	2017-06-28 17:36:43
2	Oskar Haarklou Veileborg	0.06 s	Python 2	2019-06-18 16:49:32
3	Lars Åström	0.07 s	Python 2	2019-03-30 12:43:17
4	John Bost	0.08 s	Python 2	2020-02-25 20:26:37
5	Andreas Björklund	0.11 s	Python 2	2019-07-27 09:33:30
6	Jonatan Nilsson	0.18 s	Python 2	2018-02-12 21:07:55
7	Hidden user	0.45 s	Python 2	2019-11-22 02:06:33
8	Hansel Qiu	0.46 s	Python 2	2018-03-17 03:21:52
9	Daniel Strizhevsky	0.72 s	Python 2	2017-06-28 12:08:20

#	User	Runtime	Language	Date
1	UTM CS AI	0.06 s	Python 3	2024-10-03 03:02:39
2	Hidden user	0.06 s	Python 3	2025-07-23 18:46:03
3	Jacob Scheff	0.07 s	Python 3	2025-10-29 05:46:39
4	Hrant Hovhannisyan	0.07 s	Python 3	2025-11-03 05:00:15
5	Paco Criado	0.07 s	Python 3	2026-01-18 19:27:08
6	Neil Rahman	0.08 s	Python 3	2022-10-22 21:38:30
7	Hidden user	0.08 s	Python 3	2023-01-05 13:14:51
8	Grzegorz	0.08 s	Python 3	2023-03-02 05:50:00
9	Greg Vance	0.08 s	Python 3	2023-03-02 05:50:47
10	Nishikar Paruchuri	0.08 s	Python 3	2024-10-22 05:01:20

#	User	Runtime	Language	Date
1	Thomas Feld	0.28 s	Ruby	2023-10-24 15:38:01

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-01-26 00:48:22

#	User	Length	Language	Date
1	pengin	683	C	2021-11-09 12:14:57
2	Alexander Bilde Pedersen	819	C	2025-04-11 10:11:07
3	Bergur Snorrason	1593	C	2020-10-22 10:54:28
4	Sanjiv Dinakar	2211	C	2023-04-17 11:55:04
5	vance	2402	C	2020-03-12 13:37:56
6	Eyleifur Bjarkason	8301	C	2020-10-21 00:09:05

#	User	Length	Language	Date
1	Mikael Fiala-Lundström	528	C#	2024-05-02 22:13:21
2	Frankie Chen	1709	C#	2019-09-06 00:36:48

#	User	Length	Language	Date
1	Nathaniel Ang	377	C++	2020-02-12 11:20:46
2	Jesús Pacheco Alonso	380	C++	2024-01-21 21:13:22
3	Tiger Wu	403	C++	2019-03-26 01:16:23
4	Antonio Molina Lovett	427	C++	2017-03-18 20:44:29
5	Lim An Jun	446	C++	2022-12-01 07:08:11
6	ZiWen Wang	458	C++	2024-08-25 01:46:24
7	William Gan	460	C++	2018-06-18 03:54:23
8	Paul Liu	470	C++	2017-03-18 20:18:44
9	Matteo Zappia	472	C++	2021-11-27 22:42:37
10	Prabowo Djonatan	490	C++	2018-11-05 15:55:21

#	User	Length	Language	Date
1	Hidden user	428	D	2025-09-19 17:01:00
2	Hidden user	784	D	2025-09-19 22:08:18

#	User	Length	Language	Date
1	Yitian Wang	1192	Go	2023-02-04 06:23:07

#	User	Length	Language	Date
1	Steinar Simonnes	1301	Haskell	2025-06-18 08:56:32

#	User	Length	Language	Date
1	Thomas King	581	Java	2019-09-30 16:13:39
2	Brendan King	723	Java	2020-08-25 00:58:48
3	Walter Han	725	Java	2019-09-28 23:50:19
4	Jiru Xu	739	Java	2017-09-15 06:00:16
5	Sophia Khalis	773	Java	2019-10-24 00:19:00
6	Jerry Zhu	848	Java	2018-03-24 01:11:10
7	Aaron Michael	878	Java	2017-10-21 17:41:15
8	Suhas T. Nagar	891	Java	2024-10-16 00:17:39
9	Micah Stairs	907	Java	2017-03-28 17:17:00
10	Crystal Sharpe	978	Java	2020-08-21 23:02:49

#	User	Length	Language	Date
1	Hidden user	685	Julia	2025-09-19 10:13:06
2	Timothy Gaede	1251	Julia	2026-02-12 08:25:45

#	User	Length	Language	Date
1	Phường Lên	457	Kotlin	2020-04-16 07:53:46
2	Adam Rankin	533	Kotlin	2023-10-05 22:46:37
3	Danny Mittal	536	Kotlin	2022-09-14 04:43:45

#	User	Length	Language	Date
1	Lars Åström	312	Python 2	2019-03-30 12:43:17
2	Jonatan Nilsson	366	Python 2	2018-02-12 21:07:55
3	Andreas Björklund	420	Python 2	2019-07-27 09:33:30
4	Oskar Haarklou Veileborg	467	Python 2	2019-06-18 16:49:32
5	Hidden user	485	Python 2	2019-11-22 02:06:33
6	Jasper Lu	503	Python 2	2017-06-28 17:36:43
7	Daniel Strizhevsky	669	Python 2	2017-06-28 12:08:20
8	Hansel Qiu	696	Python 2	2018-03-17 03:21:52
9	John Bost	1594	Python 2	2020-02-25 20:26:37

#	User	Length	Language	Date
1	Lew Choon Hean	174	Python 3	2024-08-02 04:50:40
2	John Zheng	231	Python 3	2023-02-11 22:14:49
3	Harvey Chua	264	Python 3	2023-11-27 08:52:14
4	Christofer Ohlsson	277	Python 3	2022-09-30 19:47:20
5	Nicholas Russell Saerang	288	Python 3	2023-08-12 12:11:45
6	Steinar Simonnes	290	Python 3	2025-06-18 09:05:24
7	Waseem Yusuf	306	Python 3	2019-10-04 23:46:45
8	Leo Gao	309	Python 3	2019-10-05 18:56:27
9	Hidden user	336	Python 3	2023-01-05 13:14:51
10	Hrant Hovhannisyan	346	Python 3	2025-11-03 05:00:15

#	User	Length	Language	Date
1	Thomas Feld	101	Ruby	2023-10-24 15:43:45

#	User	Length	Language	Date
1	Vincent Lagerros	551	Rust	2025-01-26 00:49:58

Solution running time distribution