Problem A
Great Fireball — Problem Statistics

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Submissions	1004
Accepted submissions	228
Submission ratio	22.71%
Authors	120
Full solves [?]	85
Full solve Ratio	70.83%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.98 s	C	2020-03-10 10:28:57
2	Bergur Snorrason	3.43 s	C	2019-10-10 20:07:04

#	User	Runtime	Language	Date
1	Hidden user	0.48 s	C++	2019-11-18 18:08:01
2	Second Try	0.48 s	C++	2020-04-27 06:31:48
3	Jason Cannon	0.55 s	C++	2019-11-04 02:08:20
4	Etienne Vouga	0.60 s	C++	2019-10-17 09:02:21
5	David Sturgill	0.95 s	C++	2022-04-25 09:10:07
6	Bay Wei Heng	1.00 s	C++	2020-01-13 10:03:08
7	Atli Fannar Franklín	1.06 s	C++	2018-11-24 14:59:41
8	Jackson Allen	1.26 s	C++	2018-11-16 00:34:14
9	Saujas Nandi	1.32 s	C++	2020-03-21 04:33:24
10	Bernard Teo	1.38 s	C++	2020-01-13 10:26:04

#	User	Runtime	Language	Date
1	Doug Goodman	2.20 s	Java	2021-06-12 20:19:10
2	Godmar Back	2.80 s	Java	2019-11-04 04:32:28
3	Arnav Sastry	4.00 s	Java	2018-11-11 05:03:35
4	Alojz Milicevic	4.04 s	Java	2018-12-14 02:46:40
5	Jeffrey Tan	4.22 s	Java	2019-10-08 07:31:45
6	Hnin Wutt Yee Tun	4.32 s	Java	2019-11-01 06:11:23
7	Akeem McKenzie	4.61 s	Java	2019-04-25 21:51:15
8	Bjørn Dons	4.74 s	Java	2018-11-16 02:35:41
9	Finn Lidbetter	4.84 s	Java	2019-02-10 01:07:44
10	Terrence Park	5.50 s	Java	2018-11-12 19:33:45

#	User	Runtime	Language	Date
1	Caleb Dastrup	1.53 s	Python 3	2024-02-01 21:39:41
2	Ryan Farrell	11.46 s	Python 3	2024-01-30 23:45:41
3	Duoduo Zhao	12.75 s	Python 3	2025-08-29 10:46:19

#	User	Runtime	Language	Date
1	Caleb Dastrup	0.11 s	Rust	2024-02-01 23:17:38

#	User	Length	Language	Date
1	Ivan Petrov	2236	C	2020-03-10 10:28:57
2	Bergur Snorrason	3360	C	2019-10-10 20:07:04

#	User	Length	Language	Date
1	Zhongnian Tao	1057	C++	2021-11-06 20:32:05
2	Johan Wind	1071	C++	2018-11-21 17:55:00
3	Lawry Sorenson	1450	C++	2024-01-30 01:23:22
4	Robert Lee	1521	C++	2023-10-24 20:25:07
5	Henry Xia	1582	C++	2019-10-09 08:41:04
6	Bay Wei Heng	1601	C++	2020-01-13 09:59:34
7	Hidden user	1608	C++	2018-11-12 20:20:11
8	Aaron Lamoreaux	1615	C++	2019-11-08 05:08:50
9	Zhichao Liu	1618	C++	2019-11-03 04:04:38
10	Atli Fannar Franklín	1619	C++	2018-11-11 22:57:06

#	User	Length	Language	Date
1	Doug Goodman	2542	Java	2021-06-12 20:19:10
2	Daniel West	2735	Java	2019-10-30 09:36:13
3	Benjamin Reidys	3307	Java	2020-01-12 19:50:20
4	Alex Lind	3330	Java	2020-01-12 02:30:23
5	Andy Phan	3464	Java	2019-10-28 21:03:49
6	Suraj Singireddy	3522	Java	2019-10-28 14:24:03
7	Terrence Park	3539	Java	2018-11-12 19:32:33
8	Darrin Wiley	3575	Java	2019-11-08 21:19:28
9	Derek Goodwin	3614	Java	2019-10-26 22:55:25
10	Arnav Sastry	3719	Java	2018-11-11 05:03:35

#	User	Length	Language	Date
1	Ryan Farrell	670	Python 3	2024-01-31 18:34:51
2	Caleb Dastrup	1351	Python 3	2024-02-01 21:39:41
3	Duoduo Zhao	3757	Python 3	2025-08-29 10:46:19

#	User	Length	Language	Date
1	Caleb Dastrup	2487	Rust	2024-02-01 23:17:38

Solution running time distribution