Problem I
Pyro Tubes — Problem Statistics

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Submissions	765
Accepted submissions	319
Submission ratio	41.70%
Authors	305
Full solves [?]	237
Full solve Ratio	77.70%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.07 s	C	2019-08-19 14:26:47
2	Jeff Robertson	0.91 s	C	2016-10-01 23:46:40

#	User	Runtime	Language	Date
1	Jasmin Baniya	2.24 s	C#	2020-01-20 00:11:37

#	User	Runtime	Language	Date
1	Dmitri Lvovich	0.05 s	C++	2026-02-17 07:09:24
2	Phan Nhat Khang	0.06 s	C++	2016-10-21 00:38:20
3	Per Persson	0.07 s	C++	2015-11-20 16:36:54
4	Dmitry Lyubshin	0.07 s	C++	2018-06-11 19:42:04
5	Omar Muhammetkulyyev	0.09 s	C++	2023-05-14 23:23:46
6	Christian Yongwhan Lim	0.09 s	C++	2025-03-21 04:35:25
7	Hidden user	0.10 s	C++	2020-02-06 18:12:29
8	Yiding Feng	0.11 s	C++	2016-11-04 18:30:16
9	Michael Pfeifer	0.11 s	C++	2018-04-20 21:39:06
10	Juliet Persia	0.11 s	C++	2019-07-30 08:12:48

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.33 s	Java	2021-09-23 01:22:12
2	Bjørn Dons	0.34 s	Java	2020-04-07 19:29:52
3	Micah Stairs	0.45 s	Java	2016-11-03 00:26:08
4	Nick Wu	0.48 s	Java	2016-10-01 19:13:03
5	Josenildo Silva	0.71 s	Java	2017-07-08 16:43:48
6	Mitch Price	0.74 s	Java	2017-05-18 04:17:34
7	Jiru Xu	0.75 s	Java	2017-10-27 00:29:15
8	Hidden user	0.76 s	Java	2016-05-29 19:06:53
9	Mehdi Maick	0.86 s	Java	2017-04-09 16:53:19
10	Yiu Yu Ho	0.88 s	Java	2022-01-24 05:25:19

#	User	Runtime	Language	Date
1	Hidden user	2.90 s	Kotlin	2020-12-12 18:01:37

#	User	Runtime	Language	Date
1	Haggai Liu	0.77 s	Python 2	2017-10-29 07:59:29
2	Andreas Björklund	1.21 s	Python 2	2021-06-10 16:26:00
3	Christofer Ohlsson	1.27 s	Python 2	2015-11-08 20:07:12
4	Godmar Back	2.90 s	Python 2	2016-10-03 20:23:27
5	Kasper Borys	3.97 s	Python 2	2016-10-01 22:09:22
6	Daniel Strizhevsky	5.02 s	Python 2	2016-09-18 23:18:43

#	User	Runtime	Language	Date
1	Benjamin Z White	0.59 s	Python 3	2023-07-21 02:06:46
2	Nicholas Russell Saerang	0.61 s	Python 3	2024-06-07 06:56:53
3	Michael Goldwasser	0.67 s	Python 3	2023-10-09 05:37:35
4	Addison Bostian	0.69 s	Python 3	2021-12-01 20:55:59
5	Thomas Feld	0.72 s	Python 3	2023-08-07 08:32:34
6	Russell	0.73 s	Python 3	2025-09-22 00:48:27
7	Kadriye Yildiz	0.77 s	Python 3	2024-08-22 15:35:12
8	UTM CS AI	0.90 s	Python 3	2024-10-03 06:11:48
9	Hussin Suleiman	0.97 s	Python 3	2026-02-16 22:35:48
10	RandyWaterhouse	1.05 s	Python 3	2021-09-27 07:43:39

#	User	Runtime	Language	Date
1	Miorel Palii	5.64 s	Ruby	2018-01-10 11:05:15

#	User	Length	Language	Date
1	Ivan Petrov	1113	C	2019-08-19 14:26:47
2	Jeff Robertson	1409	C	2016-10-01 23:46:40

#	User	Length	Language	Date
1	Jasmin Baniya	2048	C#	2020-01-20 00:11:37

#	User	Length	Language	Date
1	Jay Wang	495	C++	2015-11-09 18:56:11
2	Tianyi Qin	551	C++	2026-02-15 22:41:51
3	David Zheng	563	C++	2017-10-24 00:57:51
4	Bryan Wong Wei Heng	578	C++	2020-02-05 04:25:15
5	Peilin Zhong	583	C++	2018-03-10 20:34:59
6	Hidden user	583	C++	2025-04-16 15:18:39
7	Hidden user	589	C++	2020-02-06 18:17:46
8	Harrison Roberts	600	C++	2023-05-22 22:23:35
9	Hidden user	605	C++	2017-03-10 18:58:20
10	Hidden user	616	C++	2020-11-21 22:18:27

#	User	Length	Language	Date
1	Doug Goodman	744	Java	2017-07-31 20:00:45
2	Michael LeKander	803	Java	2016-10-15 14:26:37
3	Zhen Lin	825	Java	2016-10-01 22:22:48
4	Micah Stairs	835	Java	2016-11-03 00:25:08
5	Cody Barnes	841	Java	2016-11-03 22:48:59
6	Addison Bostian	891	Java	2016-03-12 18:29:55
7	Frank Luan	908	Java	2016-10-01 22:04:57
8	Mitch Price	917	Java	2017-05-18 04:17:34
9	Jiru Xu	973	Java	2017-10-27 00:29:15
10	Ed Kim	985	Java	2016-10-07 00:15:03

#	User	Length	Language	Date
1	Hidden user	786	Kotlin	2020-11-05 01:36:23

#	User	Length	Language	Date
1	Andreas Björklund	413	Python 2	2021-06-10 16:26:00
2	Haggai Liu	428	Python 2	2017-10-29 07:59:29
3	Godmar Back	659	Python 2	2016-10-03 20:23:27
4	Kasper Borys	757	Python 2	2016-10-01 22:09:22
5	Daniel Strizhevsky	891	Python 2	2016-09-18 23:18:43
6	Christofer Ohlsson	1098	Python 2	2015-11-09 09:11:45

#	User	Length	Language	Date
1	Thomas Feld	125	Python 3	2023-08-07 08:46:27
2	Benjamin Z White	163	Python 3	2023-07-21 02:59:39
3	Michael Goldwasser	184	Python 3	2024-09-05 08:35:13
4	Nicholas Russell Saerang	288	Python 3	2024-06-07 06:55:56
5	Hrant Hovhannisyan	362	Python 3	2025-12-24 06:31:28
6	Russell	371	Python 3	2025-09-22 00:48:27
7	Omair Syed	435	Python 3	2024-09-04 23:12:49
8	lucas fernandes	507	Python 3	2026-02-18 17:21:29
9	RandyWaterhouse	559	Python 3	2021-09-27 07:43:39
10	Addison Bostian	621	Python 3	2021-12-01 20:55:59

#	User	Length	Language	Date
1	Miorel Palii	462	Ruby	2018-01-10 11:05:15

Solution running time distribution