Problem A
Hamming Ellipses — Problem Statistics

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Submissions	787
Accepted submissions	371
Submission ratio	47.14%
Authors	321
Full solves [?]	297
Full solve Ratio	92.52%

#	User	Runtime	Language	Date
1	Adrien Coulier	0.00 s	C	2016-11-10 18:44:20
2	Ivan Petrov	0.00 s	C	2019-07-09 15:07:21
3	Sambit Palit	0.00 s	C	2020-11-26 00:16:17
4	Hidden user	0.00 s	C	2024-01-14 22:01:32
5	Eduardo Vicente Petry	0.00 s	C	2025-08-21 05:20:24

#	User	Runtime	Language	Date
1	Bjørn Dons	0.00 s	Go	2023-10-15 20:26:14
2	Norbert Voelker	0.08 s	Go	2021-10-25 22:33:40

#	User	Runtime	Language	Date
1	Micah Stairs	0.05 s	Java	2016-12-23 18:49:05
2	Ronald Rojas	0.05 s	Java	2017-07-17 22:37:31
3	Erik Baalhuis	0.05 s	Java	2017-08-25 16:41:34
4	Thomas Rooijakkers	0.05 s	Java	2017-08-31 16:03:46
5	Jeroen Bransen	0.05 s	Java	2017-09-18 11:06:18
6	Sam Reinehr	0.05 s	Java	2017-10-12 08:02:11
7	Terrence Park	0.05 s	Java	2018-06-09 20:50:48
8	Bryan Jin	0.05 s	Java	2018-08-26 06:26:14
9	Liam Keliher	0.05 s	Java	2024-06-18 21:17:10
10	Crystal Sharpe	0.06 s	Java	2020-12-15 05:51:28

#	User	Runtime	Language	Date
1	Timothy Gaede	0.61 s	Julia	2024-06-04 14:53:16

#	User	Runtime	Language	Date
1	Adam Rankin	0.20 s	Kotlin	2023-10-10 04:50:49

#	User	Runtime	Language	Date
1	Dmitry Lyubshin	0.02 s	Python 2	2018-06-14 21:11:08
2	Lars Åström	0.03 s	Python 2	2019-04-26 11:45:16
3	Måns Magnusson	0.03 s	Python 2	2019-04-26 22:22:56
4	Hidden user	0.03 s	Python 2	2021-10-25 00:47:55
5	Haochen Chen	0.04 s	Python 2	2016-11-05 22:22:37
6	Mees de Vries	0.04 s	Python 2	2019-06-03 16:06:56
7	Andreas Björklund	0.05 s	Python 2	2020-08-24 20:57:08

#	User	Runtime	Language	Date
1	Josenildo Silva	0.02 s	Python 3	2018-05-09 03:59:08
2	Bart Zondervan	0.02 s	Python 3	2019-06-05 18:25:34
3	Sverre Kroesen	0.02 s	Python 3	2019-07-10 15:41:02
4	Kirk Patrick Bamba	0.02 s	Python 3	2019-09-14 09:43:42
5	Raymond van Venetie	0.03 s	Python 3	2019-06-05 20:19:52
6	Isaac Lee	0.03 s	Python 3	2019-07-15 20:45:30
7	Robin Kastberg	0.04 s	Python 3	2017-03-04 15:24:31
8	Christian Blumenthal	0.04 s	Python 3	2024-09-12 15:39:22
9	Hidden user	0.04 s	Python 3	2025-10-03 06:58:10
10	Mohammed Al Robiay	0.04 s	Python 3	2025-10-05 02:10:04

#	User	Runtime	Language	Date
1	Thomas Feld	0.07 s	Ruby	2023-10-10 09:50:12

#	User	Runtime	Language	Date
1	Krish Lal	0.00 s	Rust	2025-09-30 11:52:27
2	Logan Travis	0.02 s	Rust	2025-10-02 05:44:49

#	User	Length	Language	Date
1	Adrien Coulier	745	C	2016-11-10 18:44:20
2	Hidden user	1135	C	2024-01-14 22:01:32
3	Sambit Palit	1274	C	2020-11-26 00:16:17
4	Ivan Petrov	1803	C	2019-07-09 15:07:21
5	Eduardo Vicente Petry	1888	C	2025-08-21 05:20:24

#	User	Length	Language	Date
1	Robin Jadoul	558	C++	2016-12-01 13:40:19
2	William Gan	572	C++	2017-08-16 09:25:42
3	Adhish Kancharla	575	C++	2020-10-15 08:13:20
4	Alexander Skidanov	579	C++	2025-02-14 22:51:45
5	Nikita Kozlov	579	C++	2025-02-14 22:54:14
6	Teofil V	603	C++	2021-10-22 09:32:41
7	CodeGuy	626	C++	2021-10-20 22:50:59
8	Briana Filimon	632	C++	2021-10-22 09:18:37
9	Alex Petru	632	C++	2021-10-22 09:31:25
10	Iulia Martian	632	C++	2021-10-22 09:33:13

#	User	Length	Language	Date
1	Bjørn Dons	1280	Go	2023-10-15 20:26:14
2	Norbert Voelker	2231	Go	2021-10-25 22:33:40

#	User	Length	Language	Date
1	Duncan Page	765	Java	2017-11-07 01:03:17
2	Jeroen Bransen	771	Java	2017-09-18 11:06:18
3	Sam Reinehr	845	Java	2017-10-12 08:02:11
4	Ronald Rojas	862	Java	2017-07-17 22:37:31
5	Dragos-Paul Vecerdea	1050	Java	2018-11-27 15:59:34
6	Hidden user	1104	Java	2019-11-04 06:05:12
7	Andrew Polizzotto	1153	Java	2020-03-20 02:13:42
8	Suhas T. Nagar	1178	Java	2021-10-24 23:30:43
9	Micah Stairs	1255	Java	2016-12-23 18:49:05
10	Doug Goodman	1263	Java	2017-12-18 18:22:45

#	User	Length	Language	Date
1	Timothy Gaede	1032	Julia	2024-06-04 14:53:16

#	User	Length	Language	Date
1	Adam Rankin	1364	Kotlin	2023-10-10 04:50:49

#	User	Length	Language	Date
1	Andreas Björklund	330	Python 2	2020-08-24 20:57:08
2	Dmitry Lyubshin	379	Python 2	2018-06-14 21:11:08
3	Lars Åström	476	Python 2	2019-04-26 11:45:16
4	Mees de Vries	498	Python 2	2019-06-03 16:06:56
5	Haochen Chen	540	Python 2	2016-11-05 22:22:37
6	Måns Magnusson	582	Python 2	2019-04-26 22:22:56
7	Hidden user	1352	Python 2	2021-10-25 00:47:55

#	User	Length	Language	Date
1	Teikn Smith	210	Python 3	2024-01-17 01:27:07
2	Kelly Dance	281	Python 3	2023-10-04 00:29:20
3	Yong Mao	287	Python 3	2025-02-19 02:07:53
4	Tai Tze Kin	300	Python 3	2024-05-04 23:21:35
5	Hrant Hovhannisyan	340	Python 3	2025-08-07 11:27:48
6	Oskar Haarklou Veileborg	381	Python 3	2022-02-10 19:32:13
7	Shariq Naiyer	488	Python 3	2023-10-11 06:09:54
8	Zac Friggstad	493	Python 3	2020-12-11 17:07:13
9	Marcus Der	501	Python 3	2023-10-09 23:14:59
10	Arihant Jain	517	Python 3	2021-10-24 22:47:33

#	User	Length	Language	Date
1	Thomas Feld	135	Ruby	2023-10-10 10:15:31

#	User	Length	Language	Date
1	Krish Lal	2289	Rust	2025-09-30 11:52:27
2	Logan Travis	2965	Rust	2025-10-02 05:44:49

Solution running time distribution