Problem A
Excellent Engineers — Problem Statistics

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Submissions	654
Accepted submissions	269
Submission ratio	41.13%
Authors	221
Full solves [?]	171
Full solve Ratio	77.38%

#	User	Runtime	Language	Date
1	Constantijn Dekker	0.04 s	C	2021-05-29 23:24:34
2	Ivan Petrov	0.38 s	C	2019-08-29 09:05:46

#	User	Runtime	Language	Date
1	Constantijn Dekker	0.04 s	C++	2021-05-29 13:43:57
2	Brandon Zhang	0.06 s	C++	2018-06-03 21:45:55
3	Muhammad Irham Rasyidi	0.15 s	C++	2020-02-17 07:17:02
4	Joshua Andersson	0.16 s	C++	2022-05-23 01:15:29
5	Bay Wei Heng	0.17 s	C++	2018-01-30 10:42:09
6	Alexander Skidanov	0.17 s	C++	2024-11-24 13:59:05
7	Nguyen Thanh Trung	0.18 s	C++	2014-12-01 05:01:56
8	Hidden user	0.18 s	C++	2015-10-11 19:32:05
9	Ragur Krishnan	0.18 s	C++	2019-03-12 21:45:57
10	DaniLL	0.18 s	C++	2024-11-24 13:58:20

#	User	Runtime	Language	Date
1	Hà Minh Ngọc	0.18 s	Java	2015-10-14 09:28:22
2	Constantijn Dekker	0.21 s	Java	2021-05-29 22:04:32
3	Trần Công Duy	0.35 s	Java	2015-10-15 14:17:01
4	Jan Štola	0.55 s	Java	2015-06-16 11:28:16
5	Micah Stairs	0.78 s	Java	2016-01-30 18:07:26
6	Nicolás Eduardo Peña Moreno	1.06 s	Java	2015-10-11 20:46:26
7	Nguyễn Mạnh Phúc	1.10 s	Java	2015-10-14 08:17:53
8	Luu Nhat Phi	1.12 s	Java	2015-10-14 08:16:25
9	Vidith Madhu	1.31 s	Java	2021-09-26 07:07:46
10	Nick Wu	1.35 s	Java	2015-10-11 19:42:30

#	User	Runtime	Language	Date
1	Constantijn Dekker	0.46 s	Python 2	2021-05-29 22:48:35
2	Andreas Björklund	0.93 s	Python 2	2020-08-30 15:31:06

#	User	Runtime	Language	Date
1	Constantijn Dekker	0.46 s	Python 3	2021-05-29 19:08:09
2	Floris Cnossen	1.21 s	Python 3	2022-04-13 20:16:33
3	Duoduo Zhao	1.31 s	Python 3	2025-07-22 19:49:23
4	Nicholas Russell Saerang	1.65 s	Python 3	2025-03-26 04:48:29
5	Armand Joseph Sotelo	1.84 s	Python 3	2025-06-28 10:34:19
6	Ameer Masad	2.05 s	Python 3	2024-11-29 08:48:35
7	Lucas Pinheiro Badaró Moreira	3.60 s	Python 3	2022-12-27 00:57:16
8	Måns Magnusson	3.88 s	Python 3	2024-11-10 18:28:15
9	Magnus Hokland Hegdahl	4.37 s	Python 3	2023-03-01 19:33:45

#	User	Runtime	Language	Date
1	Constantijn Dekker	0.04 s	Rust	2021-05-29 22:10:41
2	Terrence Naldoza	0.37 s	Rust	2024-12-05 08:12:01
3	Otakar Hirs	4.57 s	Rust	2023-03-15 15:35:15

#	User	Length	Language	Date
1	Ivan Petrov	1574	C	2019-08-29 09:05:46
2	Constantijn Dekker	2490	C	2021-05-29 23:24:34

#	User	Length	Language	Date
1	Bay Wei Heng	632	C++	2018-01-30 10:42:09
2	Johan Wind	745	C++	2018-04-08 02:51:32
3	How Si Wei	795	C++	2017-04-27 03:57:25
4	Gustavo Meza	816	C++	2021-05-19 04:00:51
5	Xuan Tung Nguyen	826	C++	2020-04-08 15:31:28
6	Antonio Molina Lovett	846	C++	2016-12-07 07:47:42
7	Sarun Vat Paisarnsrisomsuk	864	C++	2015-10-11 19:55:48
8	Ragur Krishnan	873	C++	2019-03-12 21:45:57
9	Michael Phillotry	885	C++	2022-02-24 10:15:13
10	Nguyen Nguyen	890	C++	2014-12-01 22:07:51

#	User	Length	Language	Date
1	Doug Goodman	1459	Java	2017-11-17 22:59:32
2	Constantijn Dekker	1929	Java	2021-05-29 20:11:40
3	Erik Baalhuis	2025	Java	2016-07-23 10:04:25
4	Brent Yorgey	2117	Java	2015-10-20 15:41:03
5	Nguyễn Mạnh Phúc	2121	Java	2015-10-15 16:56:36
6	Isaac Lee	2151	Java	2020-05-03 06:58:24
7	Hassan Almas	2163	Java	2015-10-11 21:52:33
8	Nicolás Eduardo Peña Moreno	2323	Java	2015-10-11 20:46:26
9	Hà Minh Ngọc	2372	Java	2015-10-14 09:37:13
10	Andreas Jansson	3003	Java	2016-11-26 17:56:30

#	User	Length	Language	Date
1	Constantijn Dekker	1116	Python 2	2021-05-29 22:48:35
2	Andreas Björklund	1244	Python 2	2020-08-30 15:31:06

#	User	Length	Language	Date
1	Armand Joseph Sotelo	724	Python 3	2025-06-28 10:34:19
2	Magnus Hokland Hegdahl	818	Python 3	2023-03-01 19:33:45
3	Constantijn Dekker	1061	Python 3	2021-05-30 10:30:44
4	Floris Cnossen	2106	Python 3	2022-04-13 20:16:33
5	Lucas Pinheiro Badaró Moreira	2115	Python 3	2022-12-27 02:23:16
6	Duoduo Zhao	2458	Python 3	2025-07-22 19:49:23
7	Måns Magnusson	4621	Python 3	2024-11-10 18:28:15
8	Nicholas Russell Saerang	4840	Python 3	2025-03-26 04:48:45
9	Ameer Masad	5468	Python 3	2024-11-29 08:48:35

#	User	Length	Language	Date
1	Constantijn Dekker	2872	Rust	2021-05-29 20:56:15
2	Otakar Hirs	3000	Rust	2023-03-15 15:35:15
3	Terrence Naldoza	3993	Rust	2024-12-05 08:23:44

Solution running time distribution