Problem A
Dams in Distress — Problem Statistics

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Submissions	1590
Accepted submissions	714
Submission ratio	44.91%
Authors	644
Accepted authors	566
Author ratio	87.89%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.02 s	C	2020-11-08 19:11:32
2	Hidden user	0.05 s	C	2021-10-21 17:32:06
3	Herbert Wright	0.09 s	C	2023-09-13 02:59:21

#	User	Runtime	Language	Date
1	Anders Parsberg Wagner	0.33 s	C#	2020-11-10 08:28:41
2	Kristoffer Højelse	0.34 s	C#	2020-11-19 17:25:51
3	Dan Wolff	0.49 s	C#	2020-11-07 13:20:15
4	Dan Wolff	0.49 s	C#	2021-10-10 23:42:50

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	C++	2020-11-12 15:12:52
2	Evan Michael Bailey	0.04 s	C++	2021-02-20 19:27:57
3	Frank Endriss	0.04 s	C++	2022-04-22 15:59:52
4	Leong Heng Yew	0.04 s	C++	2023-07-12 20:03:20
5	Henrik Henriksson	0.05 s	C++	2020-11-07 14:49:41
6	Hidden user	0.05 s	C++	2020-11-07 23:00:33
7	Bergur Snorrason	0.05 s	C++	2020-11-08 19:00:34
8	Patrick Losique	0.05 s	C++	2020-11-15 21:52:03
9	Rf Schmiermann	0.05 s	C++	2020-12-11 18:06:38
10	Ian DeHaan	0.05 s	C++	2021-02-14 19:58:17

#	User	Runtime	Language	Date
1	Ivan Tserakh	0.70 s	Go	2020-11-07 13:03:13

#	User	Runtime	Language	Date
1	Zach Tschetter	0.20 s	Haskell	2021-04-12 23:19:56

#	User	Runtime	Language	Date
1	David Brink	0.12 s	Java	2021-09-08 15:31:14
2	Yibo Huang	0.13 s	Java	2021-03-14 19:01:56
3	Gustav Valentin Yde	0.20 s	Java	2020-11-24 13:57:57
4	Joachim Borup	0.35 s	Java	2020-12-23 21:49:48
5	Hidden user	0.37 s	Java	2025-04-15 11:23:30
6	Sunny Guan	0.41 s	Java	2021-02-20 21:07:42
7	Alice Ryhl	0.44 s	Java	2020-11-07 11:53:53
8	Kristoffer Borgstrøm	0.45 s	Java	2020-11-09 22:10:50
9	Emil Bak-Møller	0.48 s	Java	2020-11-09 13:04:05
10	Natalie Longtin	0.69 s	Java	2021-02-21 20:53:27

#	User	Runtime	Language	Date
1	Christian Cederquist	0.21 s	JavaScript (SpiderMonkey)	2023-08-01 16:54:11

#	User	Runtime	Language	Date
1	Jacob Huebner	0.27 s	Kotlin	2021-07-26 09:43:42
2	Nicholas Johnson	0.42 s	Kotlin	2021-07-31 05:46:05
3	Thore Husfeldt	0.89 s	Kotlin	2020-11-09 17:09:30
4	Taylor South	1.01 s	Kotlin	2024-12-03 23:38:27
5	Simen Lilleeng	1.34 s	Kotlin	2020-11-07 11:41:12

#	User	Runtime	Language	Date
1	Zihan Zhang	0.16 s	Python 2	2021-02-20 20:50:06
2	Fredrik Horn Dannert	0.19 s	Python 2	2020-12-21 10:47:57
3	Björn Magnusson	0.20 s	Python 2	2020-11-07 11:37:44
4	Björn Martinsson	0.23 s	Python 2	2020-11-08 12:08:15
5	Andreas Björklund	0.71 s	Python 2	2020-11-07 12:21:33

#	User	Runtime	Language	Date
1	Sander Oppen	0.10 s	Python 3	2024-09-29 16:27:32
2	Ole Vik Lysne	0.10 s	Python 3	2025-05-20 15:44:12
3	levi finkelstein	0.13 s	Python 3	2022-08-11 16:17:32
4	Jiaming Liu	0.14 s	Python 3	2024-09-30 02:21:38
5	Nishant Bhakar	0.15 s	Python 3	2024-11-01 00:25:22
6	Duoduo Zhao	0.15 s	Python 3	2025-07-03 16:05:00
7	Erik Buis	0.16 s	Python 3	2021-05-13 12:37:00
8	Nicholas Russell Saerang	0.16 s	Python 3	2024-04-27 04:58:04
9	Hrant Hovhannisyan	0.16 s	Python 3	2025-05-30 11:34:53
10	Tam Keng Hong	0.18 s	Python 3	2024-04-18 17:54:16

#	User	Runtime	Language	Date
1	Thomas Feld	0.31 s	Ruby	2023-06-12 15:01:27

#	User	Runtime	Language	Date
1	Daniel Anker Hermansen	0.04 s	Rust	2024-12-18 12:40:32
2	Hidden user	0.07 s	Rust	2025-06-07 18:55:21

#	User	Length	Language	Date
1	Hidden user	760	C	2021-10-21 17:32:06
2	Bergur Snorrason	1959	C	2020-11-08 19:11:32
3	Herbert Wright	2067	C	2023-09-13 02:59:21

#	User	Length	Language	Date
1	Anders Parsberg Wagner	762	C#	2020-11-10 08:28:41
2	Kristoffer Højelse	1848	C#	2020-11-19 17:25:51
3	Dan Wolff	4826	C#	2021-10-10 23:42:50
4	Dan Wolff	4828	C#	2020-11-07 13:20:15

#	User	Length	Language	Date
1	Hidden user	265	C++	2020-11-07 23:00:33
2	Illia Zakharov	307	C++	2023-04-06 16:42:36
3	Никита Кулик	308	C++	2023-04-07 11:04:13
4	Yevhen Sviacheniy	308	C++	2023-04-19 09:06:23
5	Wen Hao	312	C++	2023-02-07 07:47:07
6	Ali Muhammad Asad	332	C++	2023-07-27 11:01:57
7	Tansi Zhang	336	C++	2022-02-12 19:20:52
8	Santiago Rodriguez	346	C++	2021-02-20 21:16:32
9	Andrii Dubinin	358	C++	2023-12-02 15:43:37
10	Shang Zhou	386	C++	2021-12-29 06:27:59

#	User	Length	Language	Date
1	Ivan Tserakh	1109	Go	2020-11-07 13:03:13

#	User	Length	Language	Date
1	Zach Tschetter	672	Haskell	2021-04-14 19:21:06

#	User	Length	Language	Date
1	Florian Deublein	619	Java	2020-12-18 16:37:07
2	Hidden user	800	Java	2022-09-01 14:42:02
3	Elizabeth Trader	1077	Java	2021-02-20 20:09:10
4	Suhas T. Nagar	1281	Java	2022-11-13 21:27:17
5	Owen Eckart	1299	Java	2022-02-12 21:53:03
6	Gustav Valentin Yde	1337	Java	2020-11-24 13:57:57
7	Alice Ryhl	1348	Java	2020-11-07 11:53:53
8	Doug Goodman	1371	Java	2021-04-05 22:03:23
9	Jonatan Wulcan	1375	Java	2021-03-28 13:16:45
10	Benjamin Klahn	1402	Java	2022-03-21 11:57:34

#	User	Length	Language	Date
1	Christian Cederquist	240	JavaScript (SpiderMonkey)	2023-08-01 16:54:11

#	User	Length	Language	Date
1	Thore Husfeldt	253	Kotlin	2020-11-09 17:09:30
2	Jacob Huebner	1195	Kotlin	2021-07-26 09:43:42
3	Simen Lilleeng	1611	Kotlin	2020-11-07 11:41:12
4	Taylor South	2060	Kotlin	2024-12-03 23:38:27
5	Nicholas Johnson	2324	Kotlin	2021-07-31 05:46:05

#	User	Length	Language	Date
1	Björn Magnusson	292	Python 2	2020-11-07 11:37:44
2	Andreas Björklund	502	Python 2	2020-11-07 12:21:33
3	Björn Martinsson	577	Python 2	2020-11-08 12:08:15
4	Zihan Zhang	605	Python 2	2021-02-20 20:50:06
5	Fredrik Horn Dannert	914	Python 2	2020-12-21 10:47:57

#	User	Length	Language	Date
1	Ole Vik Lysne	114	Python 3	2025-05-20 17:20:35
2	Hidden user	129	Python 3	2023-07-04 02:36:07
3	Benjamin Z White	135	Python 3	2023-06-06 00:15:59
4	Christian Lebeda	155	Python 3	2020-11-09 15:32:41
5	Guan Yang Ze	157	Python 3	2021-04-28 17:37:22
6	Martin Jørgensen	161	Python 3	2020-11-10 15:07:58
7	Per Høgfeldt	169	Python 3	2020-11-08 07:47:28
8	Nishant Bhakar	175	Python 3	2024-11-01 00:25:22
9	Gerth Stølting Brodal	179	Python 3	2020-11-07 12:13:53
10	Olaf Erkemeij	183	Python 3	2022-01-27 12:19:38

#	User	Length	Language	Date
1	Thomas Feld	92	Ruby	2023-06-12 15:03:14

#	User	Length	Language	Date
1	Hidden user	7791	Rust	2025-06-07 18:55:21
2	Daniel Anker Hermansen	16787	Rust	2024-12-18 12:40:32

Solution running time distribution