Problem A
Rocket Stages — Problem Statistics

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Submissions	2556
Accepted submissions	408
Submission ratio	15.96%
Authors	221
Accepted authors	127
Author ratio	57.47%

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	C	2024-09-04 03:02:26
2	Ivan Petrov	0.05 s	C	2019-07-29 08:13:35
3	Haze Lidman	0.05 s	C	2022-02-08 22:34:06
4	Mostafa Abdollahpur	0.05 s	C	2023-02-10 03:10:47
5	Ciprian Hegbeli	0.05 s	C	2021-05-05 18:51:33
6	Hafiz Muhammad Bilal Zaib	0.07 s	C	2019-02-04 22:46:06
7	Ya Haiyu Ya Qaiyum	0.07 s	C	2019-02-04 22:56:06
8	Kʜᴀɴ	0.07 s	C	2022-11-08 17:22:38

#	User	Runtime	Language	Date
1	Hidden user	0.10 s	C#	2023-04-01 22:43:43
2	Tim Colbing	0.10 s	C#	2022-03-13 11:54:41
3	Kevin Berling	0.11 s	C#	2023-11-18 15:20:32
4	Max Ali	0.12 s	C#	2023-01-22 13:41:33
5	Sekamo Mohajane	0.12 s	C#	2024-06-14 11:37:40
6	Hidden user	0.13 s	C#	2023-11-30 10:34:58
7	Hidden user	0.14 s	C#	2024-06-06 21:32:41
8	bruh bruski	0.21 s	C#	2023-07-12 20:52:07
9	Simon Smart	0.64 s	C#	2025-07-11 10:12:50

#	User	Runtime	Language	Date
1	Guy Raymond BESSENG A IREH	0.01 s	C++	2025-06-24 00:21:16
2	Dmitry Lyubshin	0.02 s	C++	2023-05-04 19:26:13
3	Teikn Smith	0.02 s	C++	2024-09-11 23:38:54
4	Jeremy Lim	0.02 s	C++	2025-03-21 23:37:39
5	Hidden user	0.03 s	C++	2019-12-03 22:50:25
6	Second Try	0.03 s	C++	2020-04-27 06:41:38
7	Johan Sannemo	0.03 s	C++	2021-04-01 22:16:48
8	Seba Villalobos	0.03 s	C++	2022-02-16 23:46:36
9	Hanwei Wu	0.03 s	C++	2022-08-28 20:17:27
10	Dylan Smith	0.03 s	C++	2023-07-01 21:38:54

#	User	Runtime	Language	Date
1	Norbert Voelker	0.13 s	Go	2022-04-26 23:31:20

#	User	Runtime	Language	Date
1	Bjørn Dons	0.16 s	Java	2019-04-26 03:13:40
2	bullshit bullshit	0.18 s	Java	2021-08-21 15:59:46
3	Josenildo Silva	0.19 s	Java	2018-04-29 03:34:49
4	Do Ha Long	0.19 s	Java	2021-05-23 21:00:53
5	Axel	0.20 s	Java	2023-01-09 00:22:13
6	Ekaterina	0.20 s	Java	2024-02-20 17:34:34
7	jonas	0.20 s	Java	2025-01-28 13:19:07
8	dl sudo	0.21 s	Java	2021-05-09 18:36:10
9	Magnus Larsson	0.21 s	Java	2021-10-01 13:15:33
10	Albin Gustafsson	0.21 s	Java	2024-06-03 23:19:06

#	User	Runtime	Language	Date
1	Sigmund Volden	0.11 s	JavaScript (Node.js)	2023-11-28 17:43:33
2	Gábor Harangozó	0.18 s	JavaScript (Node.js)	2023-07-24 17:11:36

#	User	Runtime	Language	Date
1	Guhan Sundararajan	0.10 s	JavaScript (SpiderMonkey)	2020-04-01 14:06:12

#	User	Runtime	Language	Date
1	E-Joon Ko	0.12 s	Python 3	2022-04-09 12:25:50
2	Eric Eriksson	0.13 s	Python 3	2022-04-07 13:40:45
3	Albin Gustafsson	0.15 s	Python 3	2024-06-04 16:09:30
4	Nicholas Russell Saerang	0.18 s	Python 3	2024-05-14 19:22:35
5	Peter Stauder	0.19 s	Python 3	2023-02-18 13:16:26
6	Axel Alness Borg	0.19 s	Python 3	2022-10-16 21:32:50
7	Vilma Jalava	0.20 s	Python 3	2023-06-04 18:11:20
8	Raymond Christopher	0.20 s	Python 3	2023-11-20 13:42:51
9	Kim Hedelin	0.20 s	Python 3	2021-03-01 23:01:01
10	Johan sam	0.22 s	Python 3	2023-02-04 18:15:44

#	User	Length	Language	Date
1	Hafiz Muhammad Bilal Zaib	983	C	2019-02-04 22:46:06
2	Ya Haiyu Ya Qaiyum	985	C	2019-02-04 22:56:06
3	Ivan Petrov	1178	C	2019-07-29 08:13:35
4	Haze Lidman	1348	C	2022-01-30 21:28:39
5	Mostafa Abdollahpur	1908	C	2023-02-10 03:10:47
6	Hidden user	2408	C	2024-09-03 22:21:22
7	Kʜᴀɴ	2496	C	2022-11-08 17:14:49
8	Ciprian Hegbeli	9781	C	2021-05-05 18:51:33

#	User	Length	Language	Date
1	Hidden user	1972	C#	2023-04-01 22:43:43
2	Kevin Berling	1985	C#	2023-11-18 15:20:32
3	Tim Colbing	2006	C#	2022-03-13 09:48:17
4	Hidden user	2121	C#	2024-06-06 21:32:41
5	bruh bruski	2377	C#	2023-07-12 20:52:07
6	Sekamo Mohajane	2657	C#	2024-06-14 11:37:40
7	Max Ali	2948	C#	2023-01-22 13:41:33
8	Hidden user	3176	C#	2023-11-30 10:34:58
9	Simon Smart	5145	C#	2025-07-11 10:12:50

#	User	Length	Language	Date
1	Teikn Smith	404	C++	2024-09-11 23:38:54
2	Evan Michael Bailey	510	C++	2023-07-01 20:01:32
3	Jeremy Lim	540	C++	2025-03-21 23:39:11
4	Dmitry Lyubshin	570	C++	2023-05-04 19:26:13
5	Hidden user	718	C++	2019-12-03 22:52:00
6	Qasim Shafi	766	C++	2022-12-01 16:03:20
7	Second Try	818	C++	2020-04-27 06:41:38
8	Nicole	867	C++	2020-03-22 19:10:44
9	Fredrik Arvidsson	868	C++	2019-07-08 12:08:43
10	Jerry Xu	995	C++	2024-07-05 00:57:30

#	User	Length	Language	Date
1	Norbert Voelker	1721	Go	2022-04-26 23:31:20

#	User	Length	Language	Date
1	Josenildo Silva	1268	Java	2018-04-29 03:34:49
2	Kalle Meurman	1346	Java	2022-03-07 23:17:01
3	Marit van Dijk	1383	Java	2016-12-19 20:06:12
4	chyp long	1478	Java	2021-05-23 20:32:35
5	bruh bruski	1482	Java	2023-07-12 19:47:47
6	Ekaterina	1482	Java	2024-02-20 17:21:22
7	Vengatesan Renganathan	1486	Java	2020-06-29 14:06:22
8	bullshit bullshit	1488	Java	2021-08-21 14:53:13
9	jonas	1489	Java	2025-01-28 13:19:07
10	rushmoon	1489	Java	2022-06-26 11:06:50

#	User	Length	Language	Date
1	Gábor Harangozó	1362	JavaScript (Node.js)	2023-07-24 16:40:13
2	Sigmund Volden	1531	JavaScript (Node.js)	2023-11-28 17:43:33

#	User	Length	Language	Date
1	Guhan Sundararajan	1042	JavaScript (SpiderMonkey)	2020-04-01 14:06:12

#	User	Length	Language	Date
1	Nicholas Russell Saerang	234	Python 3	2024-05-14 19:26:58
2	Peter Stauder	242	Python 3	2023-02-18 15:12:45
3	Eric Eriksson	581	Python 3	2022-04-07 14:00:26
4	E-Joon Ko	617	Python 3	2022-04-08 14:14:38
5	Yucheng Niu	626	Python 3	2021-03-24 01:20:37
6	Kim Hedelin	757	Python 3	2021-03-01 23:01:01
7	Gábor Zaymus	770	Python 3	2024-02-28 18:47:28
8	Zhuqi	851	Python 3	2022-06-27 15:40:28
9	Johan sam	929	Python 3	2023-02-04 18:15:44
10	Shilpi Kumari	968	Python 3	2023-04-03 00:49:58

Solution running time distribution