Problem A
Bits Equalizer — Problem Statistics

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Submissions	4570
Accepted submissions	1208
Submission ratio	26.43%
Authors	1182
Full solves [?]	981
Full solve Ratio	82.99%

#	User	Runtime	Language	Date
1	Chi Tran	0.02 s	C#	2020-12-19 17:38:39
2	Yevgeniy Sheyer	0.05 s	C#	2025-02-25 04:37:15

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Common Lisp	2020-11-01 03:22:22

#	User	Runtime	Language	Date
1	Norbert Voelker	0.02 s	Go	2022-09-07 00:21:08
2	Hidden user	0.03 s	Go	2024-10-02 08:12:41

#	User	Runtime	Language	Date
1	Elias Riedel Gårding	0.00 s	Haskell	2016-09-27 20:46:01
2	Hidden user	0.00 s	Haskell	2023-01-04 02:59:34
3	Matthew Gvasalia	0.00 s	Haskell	2023-04-22 16:02:10
4	Li Jun	0.00 s	Haskell	2023-06-21 19:14:29
5	Brent Yorgey	0.01 s	Haskell	2019-12-30 14:23:04
6	Juan Miguel Vilar	0.01 s	Haskell	2020-09-28 10:01:58
7	prez	0.01 s	Haskell	2020-11-02 05:56:47

#	User	Runtime	Language	Date
1	CUX "INDIO" PRADA	0.04 s	Java	2025-01-23 16:18:54
2	Issa Issack	0.05 s	Java	2025-02-01 19:36:41
3	lucas	0.05 s	Java	2025-08-25 13:04:58
4	Erik Baalhuis	0.06 s	Java	2017-09-15 11:21:18
5	Bryan Jin	0.06 s	Java	2018-08-19 06:05:14
6	Bjørn Dons	0.07 s	Java	2018-12-07 13:29:48
7	Michael Bradet-Legris	0.10 s	Java	2017-03-29 18:30:18
8	Hidden user	0.10 s	Java	2017-06-23 05:36:08
9	Khaw Yew Onn	0.10 s	Java	2018-01-21 13:21:11
10	Trung Quan Tong Dam	0.10 s	Java	2018-02-01 21:56:15

#	User	Runtime	Language	Date
1	Sander Hellesø	0.06 s	JavaScript (Node.js)	2019-04-28 08:06:39
2	Nicola Ye	0.06 s	JavaScript (Node.js)	2025-04-11 22:34:58

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2025-02-18 21:45:56
2	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-10-31 16:43:49

#	User	Runtime	Language	Date
1	Hidden user	0.15 s	Kotlin	2020-03-11 19:26:05
2	Phường Lên	0.17 s	Kotlin	2020-03-11 16:46:28
3	Ravisai Tiruvuri	0.20 s	Kotlin	2024-03-14 10:59:32
4	Johnny Baloney	0.22 s	Kotlin	2021-10-03 20:50:58
5	Adam Rankin	0.22 s	Kotlin	2023-09-22 19:29:23
6	Adam Koprowski	0.23 s	Kotlin	2020-10-13 22:15:49
7	Thanh Le	0.25 s	Kotlin	2021-01-20 20:39:00

#	User	Runtime	Language	Date
1	Ciara Godwin	0.03 s	Python 2	2018-04-07 15:42:42
2	Hidden user	0.04 s	Python 2	2017-04-20 08:36:05
3	Michael Huang	0.04 s	Python 2	2018-04-11 16:07:40
4	Jianhua Li	0.04 s	Python 2	2018-06-21 03:09:12
5	Narciso Isaac Eugenio	0.04 s	Python 2	2019-03-22 22:47:31
6	Saad Tahmid	0.04 s	Python 2	2023-09-20 20:45:05
7	Kasper Borys	0.05 s	Python 2	2017-05-09 08:21:55
8	Daniel Strizhevsky	0.05 s	Python 2	2017-07-10 07:26:26
9	Hidden user	0.05 s	Python 2	2018-01-24 04:24:28
10	Guan Yang Ze	0.05 s	Python 2	2019-09-30 19:37:07

#	User	Runtime	Language	Date
1	Yunhua Zhao	0.02 s	Python 3	2017-07-10 07:08:44
2	Ram Basnet	0.02 s	Python 3	2017-12-22 21:06:51
3	Cheng Hang	0.02 s	Python 3	2018-01-19 05:38:17
4	Minh Phan Duc Nhat	0.02 s	Python 3	2018-01-21 17:09:19
5	Amadej Gruden	0.02 s	Python 3	2018-02-06 16:32:11
6	Paul Tan	0.02 s	Python 3	2018-03-25 09:27:44
7	Ciara Godwin	0.02 s	Python 3	2018-04-07 15:36:35
8	Ron Joshi	0.02 s	Python 3	2018-06-23 17:06:13
9	Anshil Gandhi	0.02 s	Python 3	2019-05-02 20:39:11
10	Niels van der Molen	0.02 s	Python 3	2019-10-09 13:09:43

#	User	Runtime	Language	Date
1	Dalton Parker Caron	0.06 s	Ruby	2019-01-02 03:00:42
2	Thomas Feld	0.06 s	Ruby	2025-08-22 13:39:57

#	User	Runtime	Language	Date
1	Pahlevi Fikri Auliya	0.00 s	Rust	2020-10-14 06:28:05
2	Jonathan Choi	0.00 s	Rust	2024-01-16 01:33:36
3	jaswanth	0.00 s	Rust	2024-02-17 06:59:17
4	Vincent Lagerros	0.00 s	Rust	2025-01-24 20:18:09
5	Hidden user	0.00 s	Rust	2025-02-04 19:17:03

#	User	Length	Language	Date
1	Toon Van Eyck	318	C	2025-08-22 22:12:09
2	sataapon naowat	874	C	2023-01-15 12:11:37
3	Boris Vanhoof	1087	C	2025-04-22 21:08:05
4	Hidden user	1154	C	2025-02-12 15:14:33
5	Hidden user	1223	C	2025-09-26 22:49:21
6	Sabit Zahin	1379	C	2017-01-26 22:23:29
7	Ivan Petrov	1425	C	2019-07-25 15:15:57
8	Jesse Case	1483	C	2021-11-09 20:51:54
9	Sang Won	1495	C	2023-07-31 10:29:43
10	Wu Haitao	1613	C	2019-09-09 09:26:56

#	User	Length	Language	Date
1	Yevgeniy Sheyer	1091	C#	2025-02-25 04:37:15
2	Chi Tran	3656	C#	2020-12-19 17:38:39

#	User	Length	Language	Date
1	Cesar Fernando IG	430	C++	2024-10-14 05:03:51
2	Kevin Huai	431	C++	2024-06-22 00:18:52
3	Anna Roczek	471	C++	2023-07-05 13:22:22
4	Luciano Arnaldo Romero Calla	522	C++	2024-09-24 01:40:57
5	Johan Wind	524	C++	2018-10-09 20:44:22
6	Rehan Makrani	524	C++	2022-12-12 13:47:29
7	Koen	559	C++	2020-04-29 10:03:21
8	Sam Wei Hong	573	C++	2023-01-27 21:39:06
9	Jun Yan	574	C++	2023-08-17 05:48:49
10	MohanRaghu	581	C++	2018-12-27 10:23:00

#	User	Length	Language	Date
1	Hidden user	2733	Common Lisp	2020-11-02 02:42:50

#	User	Length	Language	Date
1	Hidden user	631	Go	2024-10-02 08:17:00
2	Norbert Voelker	1422	Go	2022-09-07 00:21:08

#	User	Length	Language	Date
1	Li Jun	720	Haskell	2023-06-21 19:14:29
2	Matthew Gvasalia	755	Haskell	2023-04-22 16:02:10
3	Elias Riedel Gårding	946	Haskell	2016-09-27 20:46:01
4	prez	1322	Haskell	2020-11-02 12:51:03
5	Hidden user	1570	Haskell	2023-01-04 02:59:34
6	Brent Yorgey	1874	Haskell	2019-12-30 14:23:04
7	Juan Miguel Vilar	4575	Haskell	2020-09-28 10:01:58

#	User	Length	Language	Date
1	Doug Goodman	748	Java	2017-09-06 15:15:39
2	LovetheFrogs	951	Java	2023-07-30 14:18:29
3	Khaw Yew Onn	981	Java	2018-01-21 13:21:11
4	Yejun Kang	1052	Java	2023-01-22 13:53:33
5	Taras Romanyuk	1196	Java	2023-11-18 23:26:44
6	CUX "INDIO" PRADA	1201	Java	2025-01-23 16:25:48
7	Vinh Nguyễn Quang	1231	Java	2021-05-13 10:55:03
8	Ishtiaq Hussain Naqi	1236	Java	2022-08-31 07:35:26
9	Andrew Polizzotto	1258	Java	2020-10-27 02:26:56
10	Muhammad Osama	1281	Java	2022-08-30 23:06:02

#	User	Length	Language	Date
1	Nicola Ye	1325	JavaScript (Node.js)	2025-04-11 22:34:58
2	Sander Hellesø	1562	JavaScript (Node.js)	2019-04-28 08:06:39

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	245	JavaScript (SpiderMonkey)	2023-10-31 16:43:49
2	Bjørn Chr. Soltvedt	1151	JavaScript (SpiderMonkey)	2025-02-18 21:45:56

#	User	Length	Language	Date
1	Adam Koprowski	891	Kotlin	2020-10-13 22:15:49
2	Adam Rankin	990	Kotlin	2023-09-22 19:29:23
3	Phường Lên	1052	Kotlin	2020-03-11 16:46:28
4	Johnny Baloney	1102	Kotlin	2021-10-03 20:50:58
5	Hidden user	1549	Kotlin	2020-03-11 19:26:05
6	Thanh Le	1654	Kotlin	2021-01-20 20:39:00
7	Ravisai Tiruvuri	5493	Kotlin	2024-03-14 10:59:32

#	User	Length	Language	Date
1	Ciara Godwin	427	Python 2	2018-04-07 15:42:42
2	Saad Tahmid	443	Python 2	2023-09-20 20:45:05
3	Jianhua Li	512	Python 2	2018-06-21 03:09:12
4	Andreas Björklund	515	Python 2	2020-11-21 15:37:48
5	Guan Yang Ze	539	Python 2	2019-09-30 19:37:07
6	Hidden user	595	Python 2	2018-01-24 04:24:28
7	Michael Huang	668	Python 2	2018-04-11 16:07:40
8	Narciso Isaac Eugenio	829	Python 2	2019-03-22 22:47:31
9	Kasper Borys	838	Python 2	2017-05-09 08:21:55
10	Hidden user	969	Python 2	2017-04-20 08:36:05

#	User	Length	Language	Date
1	Charles Ancheta	283	Python 3	2023-03-28 10:07:23
2	Floris Cnossen	332	Python 3	2020-02-06 22:03:33
3	Erik Adebahr	372	Python 3	2025-06-10 22:10:41
4	Thibault Raffaillac	397	Python 3	2020-01-24 23:42:29
5	Ciara Godwin	418	Python 3	2018-04-07 15:40:28
6	C3Speedrun2025	420	Python 3	2025-06-07 16:23:26
7	Cheng Hang	425	Python 3	2018-01-19 05:38:17
8	Harsh Sinha	440	Python 3	2024-08-31 12:54:30
9	Constantijn Dekker	451	Python 3	2021-02-03 20:07:54
10	Olaf Erkemeij	471	Python 3	2022-02-15 22:05:04

#	User	Length	Language	Date
1	Thomas Feld	140	Ruby	2025-08-22 13:41:24
2	Dalton Parker Caron	667	Ruby	2019-01-02 03:00:42

#	User	Length	Language	Date
1	Vincent Lagerros	1314	Rust	2025-01-24 20:18:09
2	jaswanth	1384	Rust	2024-02-17 06:59:17
3	Jonathan Choi	1461	Rust	2024-01-16 01:33:36
4	Pahlevi Fikri Auliya	2987	Rust	2020-10-14 06:28:05
5	Hidden user	4398	Rust	2025-02-04 19:17:03

Solution running time distribution