Problem C
Class Picture — Problem Statistics

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Submissions	3272
Accepted submissions	969
Submission ratio	29.61%
Authors	733
Full solves [?]	587
Full solve Ratio	80.08%

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2019-05-16 07:41:13
2	Ioannis Br	0.08 s	C	2023-01-22 23:57:42
3	Avanish Mallya	0.10 s	C	2026-01-30 04:53:09
4	Mirel Cosulschi	0.12 s	C	2024-11-02 20:53:52
5	Mikael K Eriksson	0.18 s	C	2021-02-19 18:08:03
6	Ivan Petrov	0.19 s	C	2019-08-21 07:55:21
7	Alexander Bilde Pedersen	0.37 s	C	2025-04-10 11:35:20

#	User	Runtime	Language	Date
1	Michael Damsgaard	0.06 s	C#	2024-12-25 06:54:06

#	User	Runtime	Language	Date
1	Abel Martin	1.24 s	Haskell	2019-09-24 09:50:38

#	User	Runtime	Language	Date
1	Ahmad Barhamje	0.11 s	Java	2024-07-05 13:07:30
2	Liam Keliher	0.17 s	Java	2019-06-11 23:31:45
3	Sven Rönnbäck	0.18 s	Java	2024-12-26 18:12:21
4	Michael Wittenberg	0.19 s	Java	2025-12-11 17:33:09
5	Hidden user	0.20 s	Java	2015-11-10 13:55:38
6	Paolo Pellizzoni	0.21 s	Java	2019-02-11 20:20:33
7	Kelton Welsh	0.21 s	Java	2019-06-19 01:33:22
8	Herman Appelgren	0.22 s	Java	2018-07-20 21:16:35
9	Crystal Sharpe	0.22 s	Java	2020-09-14 03:44:13
10	Brent Yorgey	0.23 s	Java	2019-01-01 05:58:36

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-08-16 16:59:41
2	Michael Laszlo	1.77 s	JavaScript (SpiderMonkey)	2016-11-04 06:35:01

#	User	Runtime	Language	Date
1	Timothy Gaede	1.06 s	Julia	2025-05-15 04:27:06

#	User	Runtime	Language	Date
1	Hidden user	0.49 s	Kotlin	2020-04-15 12:27:33
2	Isaac Owomugisha	1.15 s	Kotlin	2020-09-07 13:47:31

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	Python 2	2019-10-26 12:10:01
2	Michel Wermelinger	0.53 s	Python 2	2020-05-12 10:53:07
3	Haggai Liu	0.80 s	Python 2	2017-10-24 01:47:59
4	Abel Martin	0.81 s	Python 2	2019-09-23 22:12:10
5	Andreas Björklund	0.91 s	Python 2	2019-11-28 19:37:13
6	Hidden user	0.99 s	Python 2	2017-11-10 09:23:24
7	Sigurður Jens Albertsson	1.08 s	Python 2	2021-02-24 12:08:10
8	Yang Li	1.11 s	Python 2	2019-06-30 02:45:58
9	Kristmundur Agust	1.34 s	Python 2	2019-08-24 14:22:44

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Python 3	2019-10-26 12:07:10
2	Justin Liew	0.07 s	Python 3	2020-01-30 14:16:16
3	Nicholas Russell Saerang	0.08 s	Python 3	2025-05-29 17:11:04
4	Russell	0.08 s	Python 3	2025-09-21 15:02:08
5	Sam	0.08 s	Python 3	2025-10-04 11:59:01
6	Mihir Kondapalli	0.08 s	Python 3	2025-11-14 23:16:46
7	Thanh Nguyen Nhut	0.09 s	Python 3	2023-11-15 12:27:03
8	Iman Khodadi	0.09 s	Python 3	2023-12-24 17:30:17
9	Shivani Madhan	0.09 s	Python 3	2025-11-12 21:17:23
10	Matthew Mandell	0.10 s	Python 3	2025-11-14 19:13:38

#	User	Runtime	Language	Date
1	Thomas Feld	0.10 s	Ruby	2023-11-01 12:53:03

#	User	Runtime	Language	Date
1	Artur Khuziakhmetov	0.02 s	Rust	2025-02-04 08:28:43
2	Elias Nodland	0.22 s	Rust	2023-02-26 11:20:43
3	Daniel Anker Hermansen	0.54 s	Rust	2023-08-24 20:58:15
4	Jonathan Jiang	0.67 s	Rust	2021-04-12 01:40:35
5	Isak Jägberg	1.11 s	Rust	2023-04-18 08:27:36
6	Pahlevi Fikri Auliya	1.19 s	Rust	2021-02-27 21:33:03

#	User	Length	Language	Date
1	Mirel Cosulschi	1710	C	2024-11-02 20:53:52
2	Avanish Mallya	1977	C	2026-01-30 04:53:09
3	Ioannis Br	2903	C	2023-01-23 00:36:52
4	Hidden user	3548	C	2019-05-16 07:41:13
5	Alexander Bilde Pedersen	5020	C	2025-04-10 11:35:20
6	Ivan Petrov	7464	C	2019-08-21 07:55:21
7	Mikael K Eriksson	17439	C	2021-02-19 18:08:03

#	User	Length	Language	Date
1	Michael Damsgaard	3043	C#	2024-12-25 06:54:06

#	User	Length	Language	Date
1	Hidden user	759	C++	2023-09-15 16:40:49
2	Sidhant Bansal	911	C++	2018-05-12 12:17:54
3	Bryan Wong Wei Heng	914	C++	2020-02-08 17:40:28
4	Wang Zhi Jian	943	C++	2019-04-04 06:58:53
5	Hyunjun Lee	977	C++	2022-11-24 05:22:31
6	Munir Kudrati-Plummer	1009	C++	2026-01-24 20:19:50
7	Jason Cannon	1027	C++	2020-01-14 00:25:31
8	Ezra Furtado-Tiwari	1031	C++	2025-11-04 17:48:35
9	Ganapathy Sanath Balaji	1049	C++	2020-05-20 15:19:46
10	Howard Cheng	1049	C++	2025-02-14 16:54:20

#	User	Length	Language	Date
1	Abel Martin	2768	Haskell	2019-09-24 09:50:38

#	User	Length	Language	Date
1	Duncan Page	1312	Java	2018-10-15 22:33:16
2	Elaica Dela Cruz	1446	Java	2024-07-07 20:04:34
3	Hamza Manzoor	1552	Java	2019-02-07 02:33:46
4	Doug Goodman	1558	Java	2017-09-20 17:13:16
5	Peyman Faizian	1596	Java	2019-05-12 21:48:42
6	Nimesh Nayaju	1607	Java	2019-06-25 04:18:51
7	Crystal Sharpe	1677	Java	2020-09-14 03:44:13
8	Joseph Dyer	1891	Java	2020-02-20 19:54:01
9	Marc Dominic San Pedro	1945	Java	2024-02-14 05:50:00
10	Eric Leow Yu Quan	1971	Java	2021-12-11 11:01:33

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1420	JavaScript (SpiderMonkey)	2023-08-16 16:59:41
2	Michael Laszlo	1452	JavaScript (SpiderMonkey)	2016-11-04 06:35:01

#	User	Length	Language	Date
1	Timothy Gaede	1754	Julia	2025-05-15 04:27:06

#	User	Length	Language	Date
1	Isaac Owomugisha	1705	Kotlin	2020-09-07 13:47:31
2	Hidden user	1740	Kotlin	2020-04-15 12:27:33

#	User	Length	Language	Date
1	Andreas Björklund	766	Python 2	2019-11-28 19:37:13
2	Kristmundur Agust	836	Python 2	2019-08-24 14:22:44
3	Haggai Liu	845	Python 2	2017-10-24 01:47:59
4	Abel Martin	1124	Python 2	2019-09-23 22:12:10
5	Michel Wermelinger	1174	Python 2	2020-05-12 10:53:07
6	Yang Li	1239	Python 2	2019-06-30 02:45:58
7	Hidden user	1309	Python 2	2019-10-26 12:10:01
8	Hidden user	1384	Python 2	2017-11-10 09:23:24
9	Sigurður Jens Albertsson	1516	Python 2	2021-02-24 12:08:10

#	User	Length	Language	Date
1	Benjamin Ye	299	Python 3	2024-03-01 03:07:20
2	Anshuman Dash	594	Python 3	2024-03-04 06:36:13
3	Ethan Chen	715	Python 3	2026-01-30 02:42:16
4	Kelly Dance	763	Python 3	2022-06-29 15:22:30
5	Hidden user	778	Python 3	2020-09-25 18:30:47
6	Sanil Katula	794	Python 3	2025-11-05 00:57:46
7	Christoffer Sommerlund	820	Python 3	2021-02-06 19:32:44
8	Xiaoyang Xu	822	Python 3	2025-11-06 22:19:22
9	Asad Khan	849	Python 3	2025-04-20 05:13:10
10	Oskar Haarklou Veileborg	869	Python 3	2021-02-22 14:22:12

#	User	Length	Language	Date
1	Thomas Feld	395	Ruby	2023-11-02 08:43:40

#	User	Length	Language	Date
1	Artur Khuziakhmetov	1768	Rust	2025-02-05 08:48:29
2	Elias Nodland	2585	Rust	2023-02-26 11:20:43
3	Isak Jägberg	3096	Rust	2023-04-18 08:27:36
4	Jonathan Jiang	3287	Rust	2021-04-12 01:40:35
5	Pahlevi Fikri Auliya	3357	Rust	2021-02-27 21:33:03
6	Daniel Anker Hermansen	28995	Rust	2023-08-24 20:58:15

Solution running time distribution