Problem A
Retribution! — Problem Statistics

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Submissions	2552
Accepted submissions	602
Submission ratio	23.59%
Authors	518
Full solves [?]	400
Full solve Ratio	77.22%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.56 s	C	2019-11-01 16:18:08
2	Hidden user	0.56 s	C	2020-08-06 15:23:37
3	Guillermo Hernández	0.60 s	C	2021-10-24 11:13:49
4	Ivan Petrov	2.93 s	C	2019-10-28 09:01:09
5	Scott Dauer	4.11 s	C	2019-11-29 05:10:10

#	User	Runtime	Language	Date
1	Jack Lewicki	0.08 s	C++	2025-02-01 08:18:42
2	Andrew Polizzotto	0.09 s	C++	2023-10-05 01:29:11
3	Anh Mai Le Xuan	0.11 s	C++	2019-10-26 17:21:39
4	Vo Khac Trieu	0.12 s	C++	2026-02-23 08:17:39
5	Yen-Hsiang Chang	0.18 s	C++	2019-10-31 14:14:39
6	Howard Cheng	0.19 s	C++	2023-10-28 16:41:51
7	Gabriel Gomez	0.19 s	C++	2025-01-26 23:23:59
8	Arnav Sastry	0.20 s	C++	2019-10-26 14:13:19
9	Somnath Sarkar	0.20 s	C++	2019-10-26 14:46:58
10	Zhao Wei Liew	0.20 s	C++	2020-10-18 09:51:38

#	User	Runtime	Language	Date
1	Nathan Lee	1.00 s	Go	2025-09-08 15:33:31
2	Bjørn Dons	4.45 s	Go	2023-07-27 20:32:48

#	User	Runtime	Language	Date
1	Bjørn Dons	0.59 s	Java	2025-06-08 19:17:11
2	Jeffrey Formica	0.94 s	Java	2023-02-24 19:06:28
3	Brent Yorgey	1.15 s	Java	2019-11-24 21:26:27
4	Ray Bai	1.17 s	Java	2020-09-24 03:41:46
5	Srikar Yalam	1.19 s	Java	2025-02-02 05:44:41
6	Thomas King	1.29 s	Java	2020-07-11 22:45:16
7	Kien Ta	1.30 s	Java	2019-11-03 17:35:06
8	Crystal Sharpe	1.50 s	Java	2020-06-19 04:56:51
9	Rf Schmiermann	1.79 s	Java	2019-11-01 10:49:59
10	Ho Lyun Jeong	1.81 s	Java	2021-02-19 03:00:05

#	User	Runtime	Language	Date
1	Phường Lên	1.71 s	Kotlin	2020-07-26 17:34:00
2	Nicholas Johnson	2.34 s	Kotlin	2021-06-20 20:00:20
3	Jacob Huebner	2.48 s	Kotlin	2021-06-23 20:03:07

#	User	Runtime	Language	Date
1	Oskar Haarklou Veileborg	3.57 s	Python 2	2020-01-20 11:45:30
2	Shang-En Huang	4.01 s	Python 2	2020-10-02 19:59:46
3	Robert Kramer	4.36 s	Python 2	2019-10-26 14:28:43

#	User	Runtime	Language	Date
1	Isaac Lee	0.36 s	Python 3	2022-02-07 03:52:19
2	Gage Mariano	0.51 s	Python 3	2024-02-24 16:52:10
3	Petr	0.52 s	Python 3	2025-06-14 19:57:21
4	Ben Zydney	0.54 s	Python 3	2023-02-23 20:36:31
5	Ryan Conn	0.74 s	Python 3	2020-04-25 19:23:42
6	Ryuki Kobayashi	0.78 s	Python 3	2021-03-10 02:16:33
7	Tomer Sedan	1.09 s	Python 3	2023-02-23 19:42:44
8	Samuel McDowell	1.82 s	Python 3	2025-02-10 15:44:43
9	Julio Dondisch	2.01 s	Python 3	2025-02-03 01:17:45
10	Sami Melhem	2.06 s	Python 3	2025-02-02 04:50:15

#	User	Runtime	Language	Date
1	Hidden user	0.60 s	Rust	2025-05-01 07:34:53

#	User	Length	Language	Date
1	Guillermo Hernández	2070	C	2021-10-24 11:13:49
2	Scott Dauer	2125	C	2019-11-29 05:10:10
3	Ivan Petrov	2362	C	2019-10-28 09:01:09
4	Bergur Snorrason	2897	C	2019-11-01 16:18:08
5	Hidden user	3352	C	2020-08-06 15:23:37

#	User	Length	Language	Date
1	Choi Min Suk	1005	C++	2021-06-22 09:55:27
2	Presley Graham	1011	C++	2021-03-09 04:39:42
3	Dmitry Lyubshin	1026	C++	2023-05-29 22:07:30
4	Joakim Blikstad	1050	C++	2020-01-15 19:55:01
5	Hidden user	1083	C++	2019-10-26 14:20:16
6	Frederick Pek	1132	C++	2022-02-28 07:15:00
7	Derik Sanchez	1143	C++	2024-03-03 02:40:58
8	Fajrin Thuja	1143	C++	2025-05-08 20:21:32
9	Lucius Cabeza	1143	C++	2025-10-24 02:33:55
10	Donald Dong	1144	C++	2022-03-20 08:08:13

#	User	Length	Language	Date
1	Nathan Lee	2127	Go	2025-09-08 15:33:31
2	Bjørn Dons	2349	Go	2023-07-27 20:25:26

#	User	Length	Language	Date
1	Antonio Blanca	1614	Java	2025-10-23 23:01:49
2	Doug Goodman	1896	Java	2020-10-04 16:26:46
3	Rf Schmiermann	2697	Java	2019-11-01 10:49:59
4	Hidden user	2712	Java	2022-04-24 07:10:22
5	Crystal Sharpe	2791	Java	2020-06-19 04:56:51
6	Matthew Drain	2839	Java	2019-10-30 23:46:02
7	Kien Ta	3005	Java	2019-11-03 17:35:06
8	Paul Cappaert	3128	Java	2019-10-30 23:24:22
9	Tae Ho Kim	3128	Java	2019-11-06 00:53:22
10	Joel Gritter	3467	Java	2021-02-08 07:11:45

#	User	Length	Language	Date
1	Phường Lên	2525	Kotlin	2020-07-26 17:34:00
2	Jacob Huebner	2757	Kotlin	2021-06-23 20:03:07
3	Nicholas Johnson	3140	Kotlin	2021-06-20 20:00:20

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	1061	Python 2	2020-01-20 11:45:30
2	Shang-En Huang	2966	Python 2	2020-10-02 19:59:46
3	Robert Kramer	3447	Python 2	2019-10-26 14:28:43

#	User	Length	Language	Date
1	Jeroen Op de Beek	628	Python 3	2025-02-09 21:25:38
2	Tai Tze Kin	648	Python 3	2026-02-16 13:12:32
3	Petr	739	Python 3	2025-06-05 18:04:21
4	Bertrand Wong	799	Python 3	2026-02-28 11:29:16
5	Nicholas Russell Saerang	812	Python 3	2026-02-21 08:26:49
6	Hu1 _ 0vo	820	Python 3	2024-11-08 15:58:25
7	Hidden user	820	Python 3	2025-02-06 22:33:20
8	Jin Seok Oh	913	Python 3	2025-04-30 00:37:47
9	Hidden user	930	Python 3	2025-01-30 06:19:41
10	Gustav Nilsson Gisleskog	975	Python 3	2023-09-23 16:26:04

#	User	Length	Language	Date
1	Hidden user	7204	Rust	2025-05-01 07:34:53

Solution running time distribution