Problem A
Invasion — Problem Statistics

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Submissions	1609
Accepted submissions	550
Submission ratio	34.18%
Authors	409
Full solves [?]	326
Full solve Ratio	79.71%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.30 s	C	2019-08-28 10:22:59

#	User	Runtime	Language	Date
1	Fredrik Baldhagen	1.41 s	C#	2024-11-02 13:52:55

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	C++	2019-12-04 03:09:38
2	Frank Endriss	0.05 s	C++	2020-05-18 09:38:06
3	Agis Daniels	0.07 s	C++	2022-02-10 13:59:07
4	Cian Ruane	0.08 s	C++	2018-04-19 17:36:26
5	Caleb Reath	0.08 s	C++	2020-04-03 16:35:33
6	Hidden user	0.08 s	C++	2020-05-06 10:33:30
7	Hidden user	0.08 s	C++	2020-05-06 16:15:51
8	Li Hong Sheng Gabriel	0.09 s	C++	2019-12-08 15:48:07
9	Karel Hinno	0.09 s	C++	2022-05-10 16:12:30
10	Md Sabbir Rahman	0.19 s	C++	2020-07-15 10:51:04

#	User	Runtime	Language	Date
1	Jacob Zhang	0.76 s	Java	2022-09-07 23:24:10
2	Josenildo Silva	1.04 s	Java	2018-06-26 18:19:19
3	Tristen Tulkens	1.08 s	Java	2020-01-24 02:50:44
4	Rene Argento	1.08 s	Java	2024-01-11 02:06:00
5	Bjørn Dons	1.09 s	Java	2023-04-12 20:07:43
6	Evan Neiswender	1.14 s	Java	2020-12-09 17:03:03
7	Ken Yarnall	1.22 s	Java	2020-11-20 13:56:43
8	Caleb Reath	1.29 s	Java	2020-04-12 02:16:54
9	David Nowzari	1.33 s	Java	2016-06-28 07:02:11
10	Tim Smith	1.36 s	Java	2017-10-19 21:51:01

#	User	Runtime	Language	Date
1	Jayden Pahukula	0.53 s	Python 3	2024-07-21 07:35:04
2	Ethan Dickey	0.76 s	Python 3	2024-11-05 20:42:27
3	Mattias Davidsson	0.81 s	Python 3	2024-07-11 19:40:54
4	Hidden user	0.83 s	Python 3	2021-01-13 02:20:55
5	Christoph Dürr	0.84 s	Python 3	2025-04-25 17:14:25
6	Kelly Dance	0.86 s	Python 3	2024-07-16 03:54:59
7	Shashank Bhatt	0.88 s	Python 3	2024-07-17 22:21:17
8	Ram Basnet	0.92 s	Python 3	2023-12-24 04:09:04
9	Wernher To	0.93 s	Python 3	2025-01-31 17:21:27
10	Álvaro Fernández Jiménez	0.95 s	Python 3	2026-02-06 12:24:59

#	User	Runtime	Language	Date
1	Iwancof	0.63 s	Rust	2023-06-05 16:36:24

#	User	Runtime	Language	Date
1	Hidden user	1.39 s	Swift	2024-10-13 01:46:35

#	User	Length	Language	Date
1	Ivan Petrov	1740	C	2019-08-28 10:22:59

#	User	Length	Language	Date
1	Fredrik Baldhagen	2569	C#	2024-11-02 13:52:55

#	User	Length	Language	Date
1	Teikn Smith	365	C++	2024-07-16 19:57:24
2	Ethan Guo	741	C++	2023-01-06 21:59:10
3	Nathan Leake	814	C++	2018-03-03 04:00:14
4	Cameron Custer	885	C++	2022-06-24 03:44:51
5	Jeremy Lim	888	C++	2024-10-08 09:54:00
6	Leonardo Blanger	948	C++	2021-01-03 13:58:01
7	Richard Peng	983	C++	2017-12-09 21:12:11
8	Hidden user	987	C++	2024-12-30 09:09:42
9	Luke Videckis	993	C++	2018-03-15 22:17:12
10	Loi Phuc Nguyen	1036	C++	2023-07-25 15:11:36

#	User	Length	Language	Date
1	Josenildo Silva	1972	Java	2018-06-26 18:19:19
2	David Nowzari	2193	Java	2016-06-28 07:02:11
3	Tim Smith	2275	Java	2017-10-19 21:51:01
4	Doug Goodman	2660	Java	2019-05-22 19:38:37
5	Caleb Reath	2838	Java	2020-04-12 02:16:54
6	Dominic Reed	3153	Java	2021-05-01 22:49:51
7	PAKHALE ADVAY DILIP	3185	Java	2024-11-12 05:25:33
8	Benjamin Reidys	3448	Java	2020-01-16 21:32:42
9	Jimmy Dinh	3540	Java	2024-11-15 02:55:09
10	Olivia Liu	3571	Java	2024-11-15 02:55:00

#	User	Length	Language	Date
1	Shashank Bhatt	296	Python 3	2024-07-18 05:27:19
2	Kelly Dance	725	Python 3	2024-07-16 03:54:59
3	Hidden user	810	Python 3	2025-03-22 15:56:13
4	Hidden user	810	Python 3	2025-11-16 05:28:02
5	Jayden Pahukula	825	Python 3	2024-07-21 07:35:04
6	Nicholas Russell Saerang	836	Python 3	2023-07-07 13:16:46
7	Russell	836	Python 3	2025-09-21 17:41:14
8	Wernher To	846	Python 3	2025-01-31 17:21:27
9	Mattias Davidsson	1017	Python 3	2024-07-11 19:39:13
10	Álvaro Fuente González	1019	Python 3	2025-03-14 18:39:13

#	User	Length	Language	Date
1	Iwancof	21246	Rust	2023-06-05 16:36:24

#	User	Length	Language	Date
1	Hidden user	3692	Swift	2024-10-13 01:46:35

Solution running time distribution