Problem A
Hamming Ellipses — Problem Statistics

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Submissions	839
Accepted submissions	406
Submission ratio	48.39%
Authors	350
Full solves [?]	325
Full solve Ratio	92.86%

#	User	Runtime	Language	Date
1	Adrien Coulier	0.00 s	C	2016-11-10 17:44:20
2	Ivan Petrov	0.00 s	C	2019-07-09 13:07:21
3	Sambit Palit	0.00 s	C	2020-11-25 23:16:17
4	Mirel Cosulschi	0.00 s	C	2024-01-14 21:01:32
5	Eduardo Vicente Petry	0.00 s	C	2025-08-21 03:20:24

#	User	Runtime	Language	Date
1	Bjørn Dons	0.00 s	Go	2023-10-15 18:26:14
2	Norbert Voelker	0.08 s	Go	2021-10-25 20:33:40

#	User	Runtime	Language	Date
1	Micah Stairs	0.05 s	Java	2016-12-23 17:49:05
2	Ronald Rojas	0.05 s	Java	2017-07-17 20:37:31
3	Erik Baalhuis	0.05 s	Java	2017-08-25 14:41:34
4	Thomas Rooijakkers	0.05 s	Java	2017-08-31 14:03:46
5	Jeroen Bransen	0.05 s	Java	2017-09-18 09:06:18
6	Sam Reinehr	0.05 s	Java	2017-10-12 06:02:11
7	Terrence Park	0.05 s	Java	2018-06-09 18:50:48
8	Bryan Jin	0.05 s	Java	2018-08-26 04:26:14
9	Liam Keliher	0.05 s	Java	2024-06-18 19:17:10
10	Markus Bao	0.05 s	Java	2026-01-14 08:19:50

#	User	Runtime	Language	Date
1	Timothy Gaede	0.61 s	Julia	2024-06-04 12:53:16

#	User	Runtime	Language	Date
1	Adam Rankin	0.20 s	Kotlin	2023-10-10 02:50:49

#	User	Runtime	Language	Date
1	Dmitry Lyubshin	0.02 s	Python 2	2018-06-14 19:11:08
2	Lars Åström	0.03 s	Python 2	2019-04-26 09:45:16
3	Måns Magnusson	0.03 s	Python 2	2019-04-26 20:22:56
4	Hidden user	0.03 s	Python 2	2021-10-24 22:47:55
5	Haochen Chen	0.04 s	Python 2	2016-11-05 21:22:37
6	Mees de Vries	0.04 s	Python 2	2019-06-03 14:06:56
7	Andreas Björklund	0.05 s	Python 2	2020-08-24 18:57:08

#	User	Runtime	Language	Date
1	Josenildo Silva	0.02 s	Python 3	2018-05-09 01:59:08
2	Bart Zondervan	0.02 s	Python 3	2019-06-05 16:25:34
3	Sverre Kroesen	0.02 s	Python 3	2019-07-10 13:41:02
4	Kirk Patrick Bamba	0.02 s	Python 3	2019-09-14 07:43:42
5	Raymond van Venetie	0.03 s	Python 3	2019-06-05 18:19:52
6	Isaac Lee	0.03 s	Python 3	2019-07-15 18:45:30
7	Robin Kastberg	0.04 s	Python 3	2017-03-04 14:24:31
8	Hidden user	0.04 s	Python 3	2024-09-12 13:39:22
9	Haiying Kuang	0.04 s	Python 3	2025-10-02 19:48:12
10	Hidden user	0.04 s	Python 3	2025-10-03 04:58:10

#	User	Runtime	Language	Date
1	Thomas Feld	0.07 s	Ruby	2023-10-10 07:50:12

#	User	Runtime	Language	Date
1	Krish Lal	0.00 s	Rust	2025-09-30 09:52:27
2	Logan Travis	0.02 s	Rust	2025-10-02 03:44:49

#	User	Length	Language	Date
1	Adrien Coulier	745	C	2016-11-10 17:44:20
2	Mirel Cosulschi	1135	C	2024-01-14 21:01:32
3	Sambit Palit	1274	C	2020-11-25 23:16:17
4	Ivan Petrov	1803	C	2019-07-09 13:07:21
5	Eduardo Vicente Petry	1888	C	2025-08-21 03:20:24

#	User	Length	Language	Date
1	Robin Jadoul	558	C++	2016-12-01 12:40:19
2	William Gan	572	C++	2017-08-16 07:25:42
3	Adhish Kancharla	575	C++	2020-10-15 06:13:20
4	Alexander Skidanov	579	C++	2025-02-14 21:51:45
5	Nikita Kozlov	579	C++	2025-02-14 21:54:14
6	Teofil V	603	C++	2021-10-22 07:32:41
7	CodeGuy	626	C++	2021-10-20 20:50:59
8	Briana Filimon	632	C++	2021-10-22 07:18:37
9	Alex Petru	632	C++	2021-10-22 07:31:25
10	Iulia Martian	632	C++	2021-10-22 07:33:13

#	User	Length	Language	Date
1	Bjørn Dons	1280	Go	2023-10-15 18:26:14
2	Norbert Voelker	2231	Go	2021-10-25 20:33:40

#	User	Length	Language	Date
1	Duncan Page	765	Java	2017-11-07 00:03:17
2	Jeroen Bransen	771	Java	2017-09-18 09:06:18
3	Sam Reinehr	845	Java	2017-10-12 06:02:11
4	Ronald Rojas	862	Java	2017-07-17 20:37:31
5	Markus Bao	988	Java	2026-01-14 08:19:50
6	Dragos-Paul Vecerdea	1050	Java	2018-11-27 14:59:34
7	Hidden user	1104	Java	2019-11-04 05:05:12
8	Andrew Polizzotto	1153	Java	2020-03-20 01:13:42
9	Suhas T. Nagar	1178	Java	2021-10-24 21:30:43
10	Micah Stairs	1255	Java	2016-12-23 17:49:05

#	User	Length	Language	Date
1	Timothy Gaede	1032	Julia	2024-06-04 12:53:16

#	User	Length	Language	Date
1	Adam Rankin	1364	Kotlin	2023-10-10 02:50:49

#	User	Length	Language	Date
1	Andreas Björklund	330	Python 2	2020-08-24 18:57:08
2	Dmitry Lyubshin	379	Python 2	2018-06-14 19:11:08
3	Lars Åström	476	Python 2	2019-04-26 09:45:16
4	Mees de Vries	498	Python 2	2019-06-03 14:06:56
5	Haochen Chen	540	Python 2	2016-11-05 21:22:37
6	Måns Magnusson	582	Python 2	2019-04-26 20:22:56
7	Hidden user	1352	Python 2	2021-10-24 22:47:55

#	User	Length	Language	Date
1	Teikn Smith	210	Python 3	2024-01-17 00:27:07
2	Kelly Dance	281	Python 3	2023-10-03 22:29:20
3	Yong Mao	287	Python 3	2025-02-19 01:07:53
4	Tai Tze Kin	300	Python 3	2024-05-04 21:21:35
5	Hrant Hovhannisyan	340	Python 3	2025-08-07 09:27:48
6	Oskar Haarklou Veileborg	381	Python 3	2022-02-10 18:32:13
7	Ernest Ng Zi Xuan	414	Python 3	2026-03-12 13:44:50
8	Shariq Naiyer	488	Python 3	2023-10-11 04:09:54
9	Zac Friggstad	493	Python 3	2020-12-11 16:07:13
10	Marcus Der	501	Python 3	2023-10-09 21:14:59

#	User	Length	Language	Date
1	Thomas Feld	135	Ruby	2023-10-10 08:15:31

#	User	Length	Language	Date
1	Krish Lal	2289	Rust	2025-09-30 09:52:27
2	Logan Travis	2965	Rust	2025-10-02 03:44:49

Solution running time distribution