Problem A
Astro — Problem Statistics

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Submissions	1355
Accepted submissions	403
Submission ratio	29.74%
Authors	385
Full solves [?]	316
Full solve Ratio	82.08%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2019-09-28 11:56:33
2	Bryan Heryanto	0.00 s	C	2019-09-28 17:47:44
3	Ivan Petrov	0.00 s	C	2019-10-02 08:09:25
4	Florian ten Napel	0.00 s	C	2024-08-10 23:12:57
5	Mirel Cosulschi	0.00 s	C	2025-04-05 15:24:31
6	Han Jiang	0.01 s	C	2019-09-29 11:44:50

#	User	Runtime	Language	Date
1	Sebastian Gielinger	0.02 s	C#	2019-12-10 14:52:47
2	Valentk777	0.02 s	C#	2020-10-22 06:57:06
3	Dan Wolff	0.03 s	C#	2019-09-28 12:41:40
4	Morten A	0.04 s	C#	2019-10-01 18:28:06
5	Shantanu Sharma	0.05 s	C#	2025-10-12 04:05:30
6	Richard Martin	0.18 s	C#	2023-09-06 12:32:15

#	User	Runtime	Language	Date
1	Albert Leung	0.00 s	Go	2024-08-16 03:27:36
2	Norbert Voelker	0.02 s	Go	2022-09-04 20:46:30
3	Micah Weston	0.08 s	Go	2020-02-01 05:48:12

#	User	Runtime	Language	Date
1	Udo Stenzel	0.00 s	Haskell	2023-04-27 21:37:51
2	TJ Takei	0.00 s	Haskell	2025-04-03 08:49:39
3	Brent Yorgey	0.01 s	Haskell	2019-11-02 03:50:31
4	Antony Lee	0.01 s	Haskell	2020-04-28 11:25:23

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.04 s	Java	2025-03-20 20:39:33
2	Bjørn Dons	0.08 s	Java	2020-04-25 23:17:20
3	Mas Ali	0.08 s	Java	2024-04-25 21:45:19
4	Matthew Bischoff	0.09 s	Java	2023-11-12 23:29:54
5	Hidden user	0.09 s	Java	2024-12-08 14:37:28
6	Wenxun Lin	0.09 s	Java	2025-05-13 05:16:21
7	Crystal Sharpe	0.10 s	Java	2021-03-11 02:31:57
8	Hidden user	0.10 s	Java	2023-03-16 14:01:22
9	Isaak Coleman	0.11 s	Java	2019-12-26 01:27:08
10	Giovanni Masotto	0.11 s	Java	2020-05-11 23:37:24

#	User	Runtime	Language	Date
1	Samuel Högfeldt	0.08 s	JavaScript (Node.js)	2022-07-25 11:02:45
2	Ster Sar	0.31 s	JavaScript (Node.js)	2023-06-20 21:27:55

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2024-01-05 00:23:57
2	Bjørn Chr. Soltvedt	0.07 s	JavaScript (SpiderMonkey)	2019-12-02 03:15:35

#	User	Runtime	Language	Date
1	Timothy Gaede	0.50 s	Julia	2025-06-22 13:55:02

#	User	Runtime	Language	Date
1	Dayan Ruben Gonzalez	0.21 s	Kotlin	2020-10-11 02:21:17

#	User	Runtime	Language	Date
1	Björn Magnusson	0.03 s	Python 2	2019-09-28 11:55:22
2	Lars Åström	0.03 s	Python 2	2019-09-30 08:33:40
3	Johan Lyts	0.03 s	Python 2	2019-09-30 20:39:28
4	Sigurður Jens Albertsson	0.03 s	Python 2	2020-06-07 18:50:01
5	Yanmarshus Bachtiar	0.03 s	Python 2	2021-06-02 09:09:16
6	Maj Stenmark	0.04 s	Python 2	2019-09-28 17:06:56
7	Måns Magnusson	0.05 s	Python 2	2019-09-28 12:07:41
8	Andreas Björklund	0.05 s	Python 2	2019-09-28 12:24:50
9	Agis Daniels	0.06 s	Python 2	2020-04-16 14:48:02
10	Arthur Baker	0.93 s	Python 2	2019-09-28 14:37:56

#	User	Runtime	Language	Date
1	Björn Detterfelt	0.02 s	Python 3	2019-09-28 11:49:39
2	ismail jattioui	0.02 s	Python 3	2019-09-28 12:09:21
3	Jesper Torp Kristensen	0.02 s	Python 3	2019-09-28 12:32:41
4	Joel Nilsson	0.02 s	Python 3	2019-09-28 13:46:23
5	Dilawar Mahmood	0.02 s	Python 3	2019-09-28 13:53:43
6	Мирас Кенжегалиев	0.02 s	Python 3	2019-09-28 14:14:28
7	Joseph Cryer	0.02 s	Python 3	2019-09-28 14:44:40
8	Elvar Árni Bjarnason	0.02 s	Python 3	2019-09-28 15:23:17
9	すうぇっりえるはこん	0.02 s	Python 3	2019-09-28 15:23:52
10	Tobias Andersen	0.02 s	Python 3	2019-09-28 15:28:05

#	User	Runtime	Language	Date
1	Pahlevi Fikri Auliya	0.00 s	Rust	2020-10-23 11:20:14
2	Judith Hemp	0.00 s	Rust	2022-03-26 13:43:12
3	Bas Dirks	0.00 s	Rust	2022-05-25 00:35:22
4	Artur Khuziakhmetov	0.00 s	Rust	2022-07-27 12:26:54
5	Vincent Lagerros	0.00 s	Rust	2025-08-06 01:05:26
6	jaswanth	0.01 s	Rust	2024-07-06 11:14:02

#	User	Length	Language	Date
1	Florian ten Napel	876	C	2024-08-11 15:38:40
2	Ivan Petrov	1120	C	2019-10-02 08:09:25
3	Mirel Cosulschi	1141	C	2025-04-05 15:24:31
4	Bryan Heryanto	2009	C	2019-09-28 17:47:44
5	Han Jiang	2356	C	2019-09-29 11:44:50
6	Bergur Snorrason	4037	C	2019-09-28 11:56:33

#	User	Length	Language	Date
1	Richard Martin	1089	C#	2023-09-01 18:00:03
2	Morten A	1355	C#	2019-10-01 18:28:06
3	Valentk777	1874	C#	2020-10-22 06:40:03
4	Shantanu Sharma	1882	C#	2025-10-12 04:05:30
5	Sebastian Gielinger	3805	C#	2019-12-10 14:52:47
6	Dan Wolff	5307	C#	2019-09-28 12:41:40

#	User	Length	Language	Date
1	Dmitry Lyubshin	597	C++	2023-04-24 03:09:45
2	Hyunjun Lee	764	C++	2022-10-26 03:19:43
3	Josenildo Silva	789	C++	2021-06-12 16:54:45
4	DucHuynh	805	C++	2024-04-15 12:22:56
5	Erik Amirell Eklöf	822	C++	2019-09-28 11:56:13
6	Hidden user	863	C++	2020-01-12 13:28:08
7	Felicia Lungu	872	C++	2022-02-03 21:17:16
8	Nathanael Seen	877	C++	2021-11-26 16:37:45
9	Li Jiayu	885	C++	2022-01-16 05:29:48
10	Ron Ryvchin	897	C++	2023-06-15 15:51:43

#	User	Length	Language	Date
1	Norbert Voelker	1463	Go	2022-09-04 20:46:30
2	Micah Weston	1933	Go	2020-02-01 05:48:12
3	Albert Leung	2315	Go	2024-08-16 03:27:36

#	User	Length	Language	Date
1	Udo Stenzel	918	Haskell	2023-04-27 21:35:13
2	Antony Lee	1523	Haskell	2020-04-28 11:25:23
3	Brent Yorgey	1951	Haskell	2019-11-02 03:50:31
4	TJ Takei	3642	Haskell	2025-04-03 08:49:39

#	User	Length	Language	Date
1	Hidden user	858	Java	2023-03-16 14:01:22
2	John Ladera	960	Java	2020-01-03 06:41:00
3	Tom Jairus Portea	960	Java	2021-06-18 07:55:19
4	Rain Alfonso Arnedo	981	Java	2023-07-24 08:38:26
5	Zane Yu	984	Java	2020-01-08 13:02:30
6	Pappu Kumar Pashi	984	Java	2020-04-17 23:59:14
7	Tala Al Naji	984	Java	2021-06-30 14:30:32
8	Androte	984	Java	2021-09-29 14:27:37
9	Khiem Tran	984	Java	2021-12-06 04:28:42
10	Jacob Isaac Troche-Martinez	984	Java	2022-03-04 16:54:05

#	User	Length	Language	Date
1	Samuel Högfeldt	1204	JavaScript (Node.js)	2022-07-25 11:02:45
2	Ster Sar	1387	JavaScript (Node.js)	2023-06-20 21:27:55

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	835	JavaScript (SpiderMonkey)	2019-12-02 03:15:35
2	Christian Pilegaard Cederquist	913	JavaScript (SpiderMonkey)	2024-01-05 00:23:57

#	User	Length	Language	Date
1	Timothy Gaede	1468	Julia	2025-06-22 13:55:02

#	User	Length	Language	Date
1	Dayan Ruben Gonzalez	865	Kotlin	2020-10-11 02:21:17

#	User	Length	Language	Date
1	Johan Lyts	649	Python 2	2019-09-30 20:39:28
2	Maj Stenmark	696	Python 2	2019-09-28 17:06:56
3	Arthur Baker	807	Python 2	2019-09-28 14:37:56
4	Måns Magnusson	913	Python 2	2019-09-28 12:07:41
5	Andreas Björklund	972	Python 2	2019-09-28 12:24:50
6	Agis Daniels	1049	Python 2	2020-04-16 14:48:02
7	Yanmarshus Bachtiar	1230	Python 2	2021-06-02 09:09:16
8	Lars Åström	1407	Python 2	2019-09-30 08:33:40
9	Sigurður Jens Albertsson	1575	Python 2	2020-06-07 18:50:01
10	Björn Magnusson	1635	Python 2	2019-09-28 11:55:22

#	User	Length	Language	Date
1	이정섭	356	Python 3	2022-07-21 20:27:16
2	Casper Rysgaard	414	Python 3	2023-06-08 14:48:20
3	Yong Mao	445	Python 3	2023-05-12 02:42:20
4	David Ludwig	506	Python 3	2019-10-20 02:21:38
5	Albert Elezer B. Perez	623	Python 3	2023-06-07 04:11:59
6	Tsog Gantumur	640	Python 3	2021-09-23 02:52:24
7	Nick Wu	641	Python 3	2022-03-14 22:08:46
8	Eva Sóllilja Einarsdóttir	661	Python 3	2025-05-11 01:36:00
9	Petr	683	Python 3	2025-05-06 21:29:16
10	Loke Gustafsson	691	Python 3	2021-10-29 16:45:52

#	User	Length	Language	Date
1	Bas Dirks	1356	Rust	2022-05-25 00:35:22
2	Vincent Lagerros	1445	Rust	2025-08-06 01:05:26
3	Artur Khuziakhmetov	1573	Rust	2022-07-27 12:26:54
4	jaswanth	2056	Rust	2024-07-06 11:14:02
5	Pahlevi Fikri Auliya	2636	Rust	2020-10-23 11:20:14
6	Judith Hemp	2780	Rust	2022-03-26 13:43:12

Solution running time distribution