Problem A
Avoiding the Apocalypse — Problem Statistics

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Submissions	1750
Accepted submissions	707
Submission ratio	40.40%
Authors	524
Full solves [?]	472
Full solve Ratio	90.08%

#	User	Runtime	Language	Date
1	Sanjiv Dinakar	0.02 s	C	2023-06-08 04:55:12
2	Mirel Cosulschi	0.27 s	C	2023-01-10 22:56:43
3	Ivan Petrov	0.72 s	C	2019-08-29 08:10:32
4	Alexander Bilde Pedersen	0.92 s	C	2023-03-09 19:13:12

#	User	Runtime	Language	Date
1	Mark Ng	0.01 s	C++	2016-03-08 10:25:18
2	Ranald Lam	0.01 s	C++	2017-02-20 04:12:24
3	Saeed Odak	0.01 s	C++	2019-07-03 16:17:13
4	Tai Tze Kin	0.01 s	C++	2024-03-07 13:02:06
5	Khang Phu Hong Can Pham	0.01 s	C++	2024-08-25 11:32:12
6	Håkon Flatval	0.02 s	C++	2016-10-16 12:40:20
7	Bezt Dauxa	0.02 s	C++	2019-05-30 08:09:40
8	Nguyễn Nhâm Tấn	0.02 s	C++	2019-05-30 08:10:30
9	Mohsen Dehbashi	0.02 s	C++	2020-12-20 13:17:30
10	Zhang Jikun	0.02 s	C++	2023-02-15 20:24:38

#	User	Runtime	Language	Date
1	Nathan Lee	2.39 s	Go	2025-11-16 19:06:32

#	User	Runtime	Language	Date
1	John Kevin Tjahjadi	0.55 s	Java	2016-03-09 08:24:35
2	Wouter Kool	0.62 s	Java	2018-10-25 14:29:00
3	Aurko Routh	1.11 s	Java	2024-04-14 06:13:06
4	Nick Wu	1.15 s	Java	2015-10-11 19:49:47
5	Erik Baalhuis	1.15 s	Java	2016-07-23 11:23:40
6	Bjørn Dons	1.15 s	Java	2024-02-04 00:56:37
7	Taras Romanyuk	1.16 s	Java	2024-12-11 21:12:56
8	Paolo Pellizzoni	1.22 s	Java	2019-02-25 17:43:44
9	Crystal Sharpe	1.32 s	Java	2021-08-19 01:48:45
10	Teddy Hartanto	1.50 s	Java	2016-03-08 20:34:00

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	3.59 s	JavaScript (SpiderMonkey)	2024-01-04 23:51:41

#	User	Runtime	Language	Date
1	Oskar Larsson	0.39 s	Python 2	2019-05-30 13:46:28
2	Juliang Li	0.97 s	Python 2	2018-04-09 10:17:25
3	Jay Ka	1.00 s	Python 2	2018-04-09 09:58:07
4	Andreas Björklund	3.56 s	Python 2	2020-10-04 12:09:47

#	User	Runtime	Language	Date
1	Lennart Meyling	0.17 s	Python 3	2023-10-29 02:12:01
2	Jon Bernstorff Lehmann	0.34 s	Python 3	2025-06-19 19:10:30
3	Hidden user	0.61 s	Python 3	2025-06-20 08:38:16
4	Bruno Martinovic	1.38 s	Python 3	2025-05-23 03:16:45
5	Andrew Lin	1.41 s	Python 3	2024-04-21 01:47:38
6	Hidden user	1.69 s	Python 3	2025-04-10 23:59:48
7	Hidden user	1.73 s	Python 3	2024-04-14 00:33:09
8	Julio Dondisch	1.80 s	Python 3	2025-04-14 03:49:10
9	Donghyun Jang	1.95 s	Python 3	2024-11-16 22:39:39
10	Ethan Luo	2.11 s	Python 3	2024-04-16 07:14:32

#	User	Length	Language	Date
1	Mirel Cosulschi	3326	C	2023-01-10 22:56:43
2	Ivan Petrov	3623	C	2019-08-29 08:10:32
3	Sanjiv Dinakar	5105	C	2023-06-08 04:51:56
4	Alexander Bilde Pedersen	8743	C	2023-03-09 19:13:12

#	User	Length	Language	Date
1	Claire Duong	1540	C++	2018-04-22 06:05:01
2	Johan Wind	1644	C++	2019-10-26 02:51:37
3	How Si Wei	1650	C++	2016-03-06 10:23:12
4	Oskar Haarklou Veileborg	1802	C++	2018-11-15 22:20:31
5	Presley Graham	1806	C++	2021-05-12 20:33:50
6	Ryan Hennigan	1932	C++	2019-04-11 02:49:44
7	Kelly Dance	2034	C++	2022-12-13 23:27:01
8	Kiên Nguyễn Tiến Trung	2040	C++	2017-03-01 08:57:11
9	Teikn Smith	2071	C++	2022-06-23 07:09:14
10	Xuan Tung Nguyen	2082	C++	2020-04-08 15:52:57

#	User	Length	Language	Date
1	Nathan Lee	4210	Go	2025-11-16 19:05:40

#	User	Length	Language	Date
1	Wouter Kool	4020	Java	2018-10-25 14:29:00
2	John Kevin Tjahjadi	4582	Java	2016-03-09 08:24:35
3	Erik Baalhuis	4609	Java	2016-07-23 11:23:40
4	Kevin Dai	4903	Java	2024-04-13 21:00:38
5	Lena Fondeur	4909	Java	2024-10-29 04:26:51
6	Paolo Pellizzoni	5157	Java	2019-02-25 17:43:44
7	Taras Romanyuk	5204	Java	2024-12-11 21:10:16
8	Nick Wu	5250	Java	2015-10-11 19:49:47
9	Aurko Routh	5293	Java	2024-04-14 06:13:06
10	Kadin Tang	6308	Java	2021-08-10 00:08:55

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	7448	JavaScript (SpiderMonkey)	2024-01-04 23:51:41

#	User	Length	Language	Date
1	Oskar Larsson	1515	Python 2	2019-05-30 13:46:28
2	Andreas Björklund	1665	Python 2	2020-10-04 12:09:47
3	Juliang Li	2335	Python 2	2018-04-09 10:14:48
4	Jay Ka	3352	Python 2	2018-04-09 09:58:07

#	User	Length	Language	Date
1	Lennart Meyling	1527	Python 3	2023-10-29 02:12:01
2	Nicholas Russell Saerang	1541	Python 3	2024-03-11 04:21:48
3	Tam Keng Hong	1674	Python 3	2024-03-06 12:27:51
4	Thore Husfeldt	1996	Python 3	2020-10-13 22:36:03
5	Donghyun Jang	2201	Python 3	2024-11-16 22:39:39
6	Andrew Lin	2207	Python 3	2024-04-21 01:47:38
7	Jack Vacek	2220	Python 3	2025-04-13 03:33:39
8	Måns Magnusson	2273	Python 3	2020-10-13 22:26:29
9	Maj Stenmark	2273	Python 3	2020-10-13 22:30:58
10	Laith Bohsali	2333	Python 3	2025-04-11 04:04:33

Solution running time distribution