Problem A
Stammering Aliens — Problem Statistics

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Submissions	1838
Accepted submissions	464
Submission ratio	25.24%
Authors	318
Full solves [?]	247
Full solve Ratio	77.67%

#	User	Runtime	Language	Date
1	Sabit Zahin	0.15 s	C	2015-10-20 20:15:46
2	Eyleifur Bjarkason	0.18 s	C	2025-09-26 18:23:08
3	Ivan Petrov	0.99 s	C	2019-05-23 09:01:59

#	User	Runtime	Language	Date
1	Brandon Lau	0.07 s	C++	2025-04-02 20:10:46
2	Mohamed Mahmoud Abd El-Wahab	0.08 s	C++	2020-08-04 00:30:00
3	Magnus Hokland Hegdahl	0.08 s	C++	2023-04-23 03:03:24
4	Jeremy Lim	0.08 s	C++	2024-11-27 16:59:08
5	Goh Teng Fong	0.09 s	C++	2025-04-03 04:37:37
6	Jannik Olbrich	0.09 s	C++	2025-12-23 23:53:09
7	Kevin Aditya	0.10 s	C++	2021-01-30 16:47:13
8	Dani Gal	0.12 s	C++	2020-05-26 00:55:55
9	Brandon Zhang	0.12 s	C++	2022-10-16 02:02:33
10	James Tao	0.12 s	C++	2023-01-09 13:52:29

#	User	Runtime	Language	Date
1	Herman Appelgren	0.73 s	Java	2021-04-26 15:21:39
2	Bjørn Dons	1.26 s	Java	2020-07-11 22:08:53
3	Nick Wu	1.41 s	Java	2016-08-24 23:48:43
4	Olav Røthe Bakken	1.77 s	Java	2018-10-30 19:52:37
5	Hidden user	1.87 s	Java	2023-01-10 08:58:40
6	William Fiset	1.99 s	Java	2017-01-31 17:45:57
7	Doug Goodman	2.47 s	Java	2020-11-25 19:54:28
8	Cesar Canales	2.54 s	Java	2019-07-17 02:11:56

#	User	Runtime	Language	Date
1	Maj Stenmark	1.60 s	Python 2	2018-10-08 20:34:09
2	Måns Magnusson	1.61 s	Python 2	2018-10-05 21:39:41
3	Hidden user	1.79 s	Python 2	2019-08-05 23:40:30

#	User	Runtime	Language	Date
1	Vinay I	0.68 s	Python 3	2025-11-07 20:45:09
2	Ole Vik Lysne	0.69 s	Python 3	2025-04-30 13:19:45
3	Yiming	0.71 s	Python 3	2024-10-27 14:46:40
4	Hidden user	0.71 s	Python 3	2024-11-26 06:32:44
5	Nicholas Russell Saerang	0.73 s	Python 3	2024-04-26 07:12:20
6	Laura Oksanen	0.90 s	Python 3	2024-04-22 14:32:34
7	Simon Andersen	1.04 s	Python 3	2023-05-01 15:39:10
8	Magnus Hokland Hegdahl	1.11 s	Python 3	2023-04-23 02:32:29
9	Hidden user	1.14 s	Python 3	2023-01-09 17:40:18
10	Shashank Bhatt	1.24 s	Python 3	2024-10-01 15:49:52

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.08 s	Rust	2024-04-03 03:36:23
2	Iker Lissarrague	1.04 s	Rust	2023-09-19 09:54:39

#	User	Length	Language	Date
1	Sabit Zahin	1819	C	2015-10-20 20:15:46
2	Ivan Petrov	2438	C	2019-05-23 09:01:59
3	Eyleifur Bjarkason	4934	C	2025-09-26 18:23:08

#	User	Length	Language	Date
1	Alfredo Beaumont	635	C++	2023-07-31 19:55:30
2	Theodore Lim	913	C++	2025-06-01 06:29:55
3	Kiên Nguyễn Tiến Trung	930	C++	2017-03-23 05:53:55
4	Luis Rivera	1032	C++	2015-11-03 20:24:26
5	Simon Mauras	1148	C++	2024-10-18 17:11:19
6	Li Yao'an	1181	C++	2017-03-28 07:02:28
7	Lawry Sorenson	1269	C++	2023-01-18 19:09:33
8	Shehab Ahmed Hatem	1324	C++	2024-02-14 20:28:09
9	Hidden user	1353	C++	2024-02-04 15:43:29
10	Teikn Smith	1353	C++	2024-08-29 01:11:54

#	User	Length	Language	Date
1	Nick Wu	2624	Java	2016-08-24 23:48:43
2	Olav Røthe Bakken	3246	Java	2018-10-30 19:52:37
3	Doug Goodman	4260	Java	2020-11-25 19:54:28
4	Cesar Canales	4764	Java	2019-07-17 02:11:56
5	Bjørn Dons	6608	Java	2020-07-11 22:08:53
6	William Fiset	7369	Java	2017-01-31 17:32:39
7	Hidden user	7687	Java	2023-01-10 08:58:40
8	Herman Appelgren	11099	Java	2021-04-23 12:37:07

#	User	Length	Language	Date
1	Måns Magnusson	953	Python 2	2018-10-05 21:39:41
2	Maj Stenmark	953	Python 2	2018-10-08 20:34:09
3	Hidden user	2892	Python 2	2019-08-05 23:40:30

#	User	Length	Language	Date
1	Andreas Björklund	736	Python 3	2022-09-03 11:52:47
2	Simon Andersen	931	Python 3	2023-05-01 15:39:10
3	Ole Vik Lysne	944	Python 3	2025-04-28 17:32:58
4	Hidden user	956	Python 3	2020-07-11 22:08:25
5	Magnus Hokland Hegdahl	1011	Python 3	2023-04-23 02:32:29
6	Eirik Pedersen	1251	Python 3	2025-05-15 11:42:12
7	Hidden user	1254	Python 3	2023-01-09 17:40:18
8	Hidden user	1922	Python 3	2024-11-26 06:32:44
9	Vinay I	1982	Python 3	2025-11-07 20:26:26
10	Nicholas Russell Saerang	2046	Python 3	2024-04-26 07:12:20

#	User	Length	Language	Date
1	Iker Lissarrague	3938	Rust	2023-08-15 00:54:26
2	Vincent Lagerros	20046	Rust	2024-04-03 03:32:02

Solution running time distribution