Problem A
Emergency Contest Running — Problem Statistics

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Submissions	4044
Accepted submissions	972
Submission ratio	24.04%
Authors	848
Full solves [?]	720
Full solve Ratio	84.91%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.01 s	Bash	2025-09-12 14:22:35

#	User	Runtime	Language	Date
1	Andrzej Krajniak	0.02 s	C#	2016-10-06 18:01:13
2	Marek	0.02 s	C#	2016-10-06 18:45:09
3	Daniel Materowski	0.02 s	C#	2016-10-06 19:51:01
4	Aman Choudhary	0.04 s	C#	2024-05-04 15:57:48
5	Tautvydas	0.04 s	C#	2025-09-27 13:44:39
6	Dovydas Vaitkevičius	0.05 s	C#	2025-09-27 14:08:01

#	User	Runtime	Language	Date
1	Noszály Csaba	0.01 s	D	2025-08-15 16:42:16

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-12-09 22:33:08
2	Nyamdavaa Amar	0.08 s	Go	2022-04-22 06:43:59

#	User	Runtime	Language	Date
1	Michał Grygierzec	0.00 s	Haskell	2016-10-06 20:26:05
2	Brent Yorgey	0.00 s	Haskell	2018-06-02 22:00:23
3	Qi Ji	0.01 s	Haskell	2018-08-06 17:00:49
4	Aurélien Pepin	0.01 s	Haskell	2019-09-29 10:26:47
5	Isaac Arvestad	0.01 s	Haskell	2020-08-16 12:45:40

#	User	Runtime	Language	Date
1	Ang Wei Jian	0.04 s	Java	2024-11-27 07:32:48
2	Taras Romanyuk	0.04 s	Java	2025-01-23 00:40:06
3	Sim Yue Yang	0.04 s	Java	2025-11-03 11:14:08
4	Erik Odenman	0.05 s	Java	2013-02-20 17:37:44
5	Hidden user	0.05 s	Java	2014-03-23 23:48:51
6	Anders Ankan Gärdenäs	0.05 s	Java	2015-11-28 21:59:39
7	Michael Sullivan	0.05 s	Java	2016-02-19 05:33:42
8	Terrence Park	0.05 s	Java	2016-03-14 07:42:45
9	Emílio Weba	0.05 s	Java	2016-04-26 01:29:44
10	Nick Wu	0.05 s	Java	2016-07-03 08:36:51

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-01-17 13:08:55
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-02-09 00:50:12
3	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2021-11-09 16:59:50

#	User	Runtime	Language	Date
1	Hidden user	0.16 s	Kotlin	2019-12-03 22:05:01
2	Aniket Kumar	0.19 s	Kotlin	2024-05-02 00:54:52
3	Phường Lên	0.21 s	Kotlin	2019-12-04 17:07:21

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2019-06-21 10:22:59

#	User	Runtime	Language	Date
1	Paulo Bu	0.02 s	Python 2	2015-03-29 20:46:50
2	Christofer Ohlsson	0.02 s	Python 2	2015-03-31 18:34:45
3	Izzati Al Vandiar	0.02 s	Python 2	2015-11-09 02:57:08
4	Hidden user	0.02 s	Python 2	2016-07-08 16:46:24
5	Isaac Lee	0.02 s	Python 2	2016-08-09 01:46:09
6	Mathis Hammel	0.02 s	Python 2	2016-11-24 16:29:08
7	Manshant Singh Kohli	0.02 s	Python 2	2017-02-05 08:02:23
8	Hidden user	0.02 s	Python 2	2017-02-18 07:18:44
9	Kevin Konrad	0.02 s	Python 2	2017-02-26 22:10:28
10	Hermon Mulat	0.03 s	Python 2	2018-10-03 19:53:44

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Python 3	2014-11-21 22:16:24
2	Joshua Zygmunt	0.02 s	Python 3	2016-08-04 08:57:53
3	Isaac Lee	0.02 s	Python 3	2016-08-09 01:44:33
4	William Fiset	0.02 s	Python 3	2016-08-09 01:47:42
5	Josenildo Silva	0.02 s	Python 3	2016-11-15 03:29:45
6	Nathan Collins	0.02 s	Python 3	2017-01-06 18:02:54
7	Rick May	0.02 s	Python 3	2017-02-09 01:46:00
8	81smic	0.02 s	Python 3	2017-06-20 01:06:24
9	Zack Terry	0.02 s	Python 3	2017-08-19 03:26:13
10	Lars Åström	0.02 s	Python 3	2017-11-26 19:14:26

#	User	Runtime	Language	Date
1	Micah Stairs	0.03 s	Ruby	2016-08-09 19:30:03
2	Hidden user	0.04 s	Ruby	2019-10-30 22:16:55
3	Macdara mac an tSionnaigh	0.04 s	Ruby	2019-10-31 00:59:05
4	Thomas Feld	0.06 s	Ruby	2022-12-13 09:14:14

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Rust	2020-11-24 12:10:14
2	Eric Pinter	0.00 s	Rust	2022-05-07 19:37:14
3	Bas Dirks	0.00 s	Rust	2022-06-17 19:36:54
4	Vincent Lagerros	0.00 s	Rust	2024-05-13 23:18:55

#	User	Length	Language	Date
1	Chenzhang Hu	33	Bash	2025-09-12 14:22:35

#	User	Length	Language	Date
1	Clinton Poserio	137	C	2016-01-28 05:43:20
2	Hidden user	137	C	2016-02-01 03:58:51
3	Jan Keith Darunday	176	C	2016-01-30 17:47:36
4	Hidden user	189	C	2016-01-30 17:41:29
5	Hidden user	204	C	2025-04-11 09:56:08
6	Hidden user	231	C	2013-02-20 19:07:55
7	Manuel Antonio Rufino	242	C	2016-01-28 17:01:15
8	John Khoo	251	C	2019-04-30 15:56:17
9	Hidden user	279	C	2016-01-31 09:51:04
10	Cyrez Ronquillo	289	C	2016-01-31 10:09:17

#	User	Length	Language	Date
1	Dovydas Vaitkevičius	529	C#	2025-09-27 14:08:01
2	Aman Choudhary	575	C#	2024-05-04 15:57:48
3	Tautvydas	707	C#	2025-09-27 13:44:39
4	Marek	734	C#	2016-10-06 18:45:09
5	Andrzej Krajniak	3024	C#	2016-10-06 18:01:13
6	Daniel Materowski	3532	C#	2016-10-06 19:51:01

#	User	Length	Language	Date
1	keyansheng	89	C++	2025-02-18 09:07:38
2	Tan Keng Yong	92	C++	2022-11-14 02:37:43
3	Teikn Smith	138	C++	2024-10-12 22:11:47
4	Karnati Sai Abhishek	141	C++	2019-05-02 17:29:11
5	Hidden user	141	C++	2022-11-21 12:06:35
6	Sean Tay	142	C++	2021-11-23 12:38:18
7	Yeung Man Tsung	142	C++	2022-11-19 06:47:23
8	Vincent Tandya	144	C++	2019-11-23 18:34:23
9	Titus Chew	146	C++	2025-02-18 13:55:48
10	Herman Karlsson	149	C++	2015-09-10 10:25:06

#	User	Length	Language	Date
1	Noszály Csaba	203	D	2025-08-15 16:42:16

#	User	Length	Language	Date
1	Nyamdavaa Amar	173	Go	2022-04-22 06:43:59
2	Norbert Voelker	592	Go	2021-12-09 22:33:08

#	User	Length	Language	Date
1	Qi Ji	203	Haskell	2018-08-06 17:00:49
2	Brent Yorgey	241	Haskell	2018-06-02 22:00:23
3	Isaac Arvestad	247	Haskell	2020-08-16 12:45:40
4	Michał Grygierzec	260	Haskell	2016-10-10 22:06:25
5	Aurélien Pepin	1116	Haskell	2019-09-29 10:26:47

#	User	Length	Language	Date
1	Mitch Price	243	Java	2016-10-13 20:52:15
2	Tianyu Liu	276	Java	2018-07-03 02:02:41
3	Doug Goodman	286	Java	2017-10-19 22:32:15
4	Frederick Pek	295	Java	2020-04-04 07:25:15
5	Bastian Stade	324	Java	2023-04-27 16:47:42
6	Anthony Clark	326	Java	2017-02-26 21:22:20
7	Samuel Klingström	340	Java	2018-12-09 22:59:05
8	Stalvio Neto	368	Java	2025-02-22 10:25:12
9	Steven Halim	372	Java	2019-04-10 11:02:40
10	Geoffrey Jensen	381	Java	2022-10-01 22:48:33

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	70	JavaScript (SpiderMonkey)	2023-02-09 00:51:17
2	Peter Kedemo	2009	JavaScript (SpiderMonkey)	2016-01-17 13:08:55
3	Bjørn Chr. Soltvedt	24325	JavaScript (SpiderMonkey)	2021-11-09 16:59:50

#	User	Length	Language	Date
1	Aniket Kumar	309	Kotlin	2024-05-02 00:54:52
2	Phường Lên	346	Kotlin	2019-12-04 17:07:21
3	Hidden user	666	Kotlin	2019-12-03 22:05:01

#	User	Length	Language	Date
1	Andriy Zyevakov	255	Prolog	2019-06-21 10:22:59

#	User	Length	Language	Date
1	Paulo Bu	95	Python 2	2015-03-29 20:46:50
2	Izzati Al Vandiar	95	Python 2	2015-11-09 02:57:08
3	Guan Yang Ze	97	Python 2	2019-11-30 18:39:19
4	Andreas Björklund	97	Python 2	2020-09-19 20:18:39
5	Mathis Hammel	98	Python 2	2016-11-24 16:29:08
6	Manshant Singh Kohli	99	Python 2	2017-02-05 08:02:23
7	Christofer Ohlsson	138	Python 2	2015-03-31 18:34:45
8	Hidden user	147	Python 2	2017-02-18 07:18:44
9	Johan Lyts	150	Python 2	2020-08-21 14:18:58
10	Hermon Mulat	165	Python 2	2018-10-03 19:53:44

#	User	Length	Language	Date
1	Tai Tze Kin	54	Python 3	2025-02-18 14:53:33
2	keyansheng	55	Python 3	2025-02-18 08:22:46
3	Joas Haunstrup	56	Python 3	2022-10-28 20:43:27
4	Ryan Tan	56	Python 3	2023-07-17 14:26:52
5	Ahmed Chamseddine	56	Python 3	2023-08-30 10:30:45
6	LI MINGHAO	56	Python 3	2025-04-12 05:22:11
7	Benjamin Z White	57	Python 3	2023-04-29 23:16:11
8	Josh Taylor	57	Python 3	2023-07-03 20:22:40
9	Li Leya	58	Python 3	2025-04-21 09:26:03
10	Huang Keyi	58	Python 3	2025-04-25 15:40:07

#	User	Length	Language	Date
1	Thomas Feld	45	Ruby	2023-08-29 13:09:03
2	Macdara mac an tSionnaigh	167	Ruby	2019-10-31 00:59:05
3	Micah Stairs	198	Ruby	2016-08-09 19:30:03
4	Hidden user	241	Ruby	2019-10-30 22:16:55

#	User	Length	Language	Date
1	Vincent Lagerros	349	Rust	2024-05-13 23:18:55
2	Hidden user	451	Rust	2020-11-24 12:22:01
3	Bas Dirks	594	Rust	2022-06-17 19:36:54
4	Eric Pinter	1132	Rust	2022-05-07 19:37:14

Solution running time distribution