Problem A
Saving the Universe — Problem Statistics

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Submissions	1010
Accepted submissions	332
Submission ratio	32.87%
Authors	337
Full solves [?]	273
Full solve Ratio	81.01%

#	User	Runtime	Language	Date
1	Emil Bengtsson	0.00 s	C	2018-04-10 21:02:32
2	Ivan Petrov	0.00 s	C	2020-01-06 10:16:25
3	Jesse Ventura	0.02 s	C	2018-06-28 23:39:04

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	C#	2022-08-19 09:49:34
2	Hidden user	0.03 s	C#	2021-11-22 22:22:33

#	User	Runtime	Language	Date
1	So Kimsu	0.01 s	Haskell	2015-07-20 23:13:24
2	Juan Miguel Vilar	0.03 s	Haskell	2020-09-11 17:30:46

#	User	Runtime	Language	Date
1	Erik Odenman	0.07 s	Java	2011-11-09 17:57:45
2	Simon Klein	0.07 s	Java	2011-11-09 18:01:23
3	Nick Wu	0.07 s	Java	2015-11-19 20:47:24
4	Petr Ryšavý	0.07 s	Java	2016-02-17 18:08:26
5	Mitch Price	0.07 s	Java	2016-09-30 19:21:20
6	Lizhong Wang	0.07 s	Java	2018-04-05 11:54:02
7	John Zhuang	0.08 s	Java	2015-07-19 01:51:05
8	Terrence Park	0.08 s	Java	2016-02-18 20:30:48
9	Crystal Sharpe	0.08 s	Java	2020-12-28 01:01:59
10	Rene Argento	0.09 s	Java	2024-05-15 03:32:54

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2018-07-18 09:28:36

#	User	Runtime	Language	Date
1	Sam Keyser	0.14 s	Kotlin	2022-07-23 05:07:33

#	User	Runtime	Language	Date
1	Carl Martin Rosenberg	0.03 s	Python 2	2015-11-09 00:58:21
2	Josenildo Silva	0.03 s	Python 2	2017-05-08 18:48:21
3	Christofer Ohlsson	0.04 s	Python 2	2015-05-24 20:30:35
4	Sigurður Jens Albertsson	0.04 s	Python 2	2017-11-21 23:32:11
5	Bjarni Jens Kristinsson	0.04 s	Python 2	2019-05-07 16:29:14
6	Hidden user	0.05 s	Python 2	2019-07-06 02:11:55
7	Guan Yang Ze	0.05 s	Python 2	2019-08-26 14:41:04
8	Oskar Haarklou Veileborg	0.05 s	Python 2	2019-10-25 14:55:12
9	Andreas Björklund	0.06 s	Python 2	2022-03-16 17:31:22

#	User	Runtime	Language	Date
1	Aaron Lamoreaux	0.02 s	Python 3	2018-11-25 19:51:37
2	Björn Gunnarsson	0.03 s	Python 3	2018-05-02 12:24:33
3	Eythor Andri	0.03 s	Python 3	2018-05-02 12:27:39
4	Marko Klemenšek	0.03 s	Python 3	2018-06-29 13:47:27
5	Bjarni Jens Kristinsson	0.03 s	Python 3	2019-05-07 16:28:44
6	Ainun Najib	0.03 s	Python 3	2019-07-27 10:47:17
7	Joshua Workman	0.03 s	Python 3	2019-09-25 19:23:26
8	Ian DeHaan	0.04 s	Python 3	2019-07-22 01:29:28
9	Jesús Pacheco Alonso	0.04 s	Python 3	2025-10-13 19:52:22
10	Hidden user	0.06 s	Python 3	2020-12-01 18:29:47

#	User	Runtime	Language	Date
1	Thomas Feld	0.07 s	Ruby	2023-08-08 10:40:38

#	User	Runtime	Language	Date
1	Klas af Geijerstam	0.00 s	Rust	2020-03-04 19:56:51
2	Daniel Anker Hermansen	0.00 s	Rust	2022-12-30 10:46:56
3	Vincent Lagerros	0.00 s	Rust	2024-07-03 02:30:41
4	Egor Kulikov	0.13 s	Rust	2025-01-15 14:02:41

#	User	Length	Language	Date
1	Emil Bengtsson	1050	C	2018-04-10 21:02:32
2	Jesse Ventura	1757	C	2018-06-28 23:39:04
3	Ivan Petrov	6708	C	2020-01-06 10:16:25

#	User	Length	Language	Date
1	Hidden user	1797	C#	2021-11-22 22:22:33
2	Andriy Zyevakov	8097	C#	2022-08-19 09:49:34

#	User	Length	Language	Date
1	Taiju Yamada	449	C++	2016-05-20 13:49:41
2	Johan Wind	496	C++	2015-05-23 15:22:58
3	Frederick Pek	522	C++	2021-05-11 05:35:17
4	Nicklas Elyoenai Imbiri	572	C++	2018-10-27 18:06:45
5	Nicklas Elyoenai Imbiri	584	C++	2019-09-26 02:29:48
6	Purevdavaa Shirnendorj	596	C++	2024-10-14 14:00:03
7	Mohsen Dehbashi	603	C++	2020-08-23 07:20:41
8	Alfredo Beaumont	624	C++	2019-03-26 09:26:49
9	Siew Jing Hong	624	C++	2023-01-01 12:15:15
10	Rehim Memmedli	625	C++	2016-07-15 01:39:52

#	User	Length	Language	Date
1	So Kimsu	456	Haskell	2015-07-20 23:13:24
2	Juan Miguel Vilar	1368	Haskell	2020-09-11 17:30:46

#	User	Length	Language	Date
1	Mitch Price	710	Java	2016-09-30 19:21:20
2	Antonio Blanca	861	Java	2023-09-18 05:31:38
3	Erik Baalhuis	866	Java	2016-09-28 13:21:55
4	Nick Wu	939	Java	2015-11-19 20:47:24
5	James Elson	979	Java	2019-07-23 00:19:35
6	Doug Goodman	993	Java	2018-04-24 22:57:38
7	Simon Klein	1000	Java	2011-11-09 18:01:23
8	Yacoub Seyni	1050	Java	2015-10-04 04:00:04
9	Joel Gritter	1096	Java	2020-12-07 16:03:03
10	Toan Vu	1145	Java	2020-07-30 18:14:30

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	611	JavaScript (SpiderMonkey)	2018-07-18 09:28:36

#	User	Length	Language	Date
1	Sam Keyser	870	Kotlin	2022-07-23 05:07:33

#	User	Length	Language	Date
1	Guan Yang Ze	346	Python 2	2019-08-26 14:41:04
2	Hidden user	370	Python 2	2019-07-06 02:11:55
3	Oskar Haarklou Veileborg	377	Python 2	2019-10-25 14:55:12
4	Josenildo Silva	484	Python 2	2017-05-08 18:48:21
5	Andreas Björklund	623	Python 2	2022-03-16 17:31:22
6	Carl Martin Rosenberg	634	Python 2	2015-11-09 00:58:21
7	Sigurður Jens Albertsson	791	Python 2	2017-11-21 23:32:11
8	Christofer Ohlsson	840	Python 2	2015-05-24 20:30:35
9	Bjarni Jens Kristinsson	1438	Python 2	2019-05-07 16:29:14

#	User	Length	Language	Date
1	Benjamin Z White	172	Python 3	2023-06-20 15:50:14
2	James Rettie	196	Python 3	2022-08-20 05:16:52
3	Kaung Htet Wai Yan	314	Python 3	2021-07-25 18:07:40
4	Magnus Eide-Fredriksen	337	Python 3	2025-05-06 19:38:18
5	Hrant Hovhannisyan	344	Python 3	2025-10-30 10:00:12
6	Victor Song	370	Python 3	2025-01-25 04:23:01
7	Brandon Young	374	Python 3	2022-03-31 06:43:36
8	Ainun Najib	378	Python 3	2019-07-27 10:47:17
9	Jesús Pacheco Alonso	385	Python 3	2025-10-13 19:52:22
10	Björn Gunnarsson	387	Python 3	2018-05-02 12:24:33

#	User	Length	Language	Date
1	Thomas Feld	146	Ruby	2023-08-08 10:46:48

#	User	Length	Language	Date
1	Klas af Geijerstam	1702	Rust	2020-03-04 19:56:51
2	Vincent Lagerros	5672	Rust	2024-07-03 02:30:41
3	Daniel Anker Hermansen	22986	Rust	2022-12-30 10:46:56
4	Egor Kulikov	33579	Rust	2025-01-15 14:02:41

Solution running time distribution