Problem A
Powers of 2 (Easy) — Problem Statistics

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Submissions	1147
Accepted submissions	578
Submission ratio	50.39%
Authors	491
Full solves [?]	443
Full solve Ratio	90.22%

#	User	Runtime	Language	Date
1	Nick Hargrove	1.16 s	C	2022-03-14 20:15:35
2	Mikael K Eriksson	1.17 s	C	2021-09-29 13:33:27
3	Julian Duniec	1.38 s	C	2023-08-15 16:19:21

#	User	Runtime	Language	Date
1	Umar Rasyid	0.64 s	C#	2025-07-06 04:34:37
2	Göran Andersson	0.71 s	C#	2022-05-29 19:26:59
3	Dragan Grujović	1.07 s	C#	2023-01-21 19:36:02
4	Sam Anderson	1.27 s	C#	2025-12-21 19:56:44
5	Freddy N	1.32 s	C#	2023-12-20 12:36:07
6	Yuwono Bangun Nagoro	3.33 s	C#	2022-11-24 13:42:04

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	1.52 s	F#	2022-12-24 16:42:33

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-07-31 00:56:35
2	dick move	0.84 s	Go	2022-11-07 16:57:26
3	Erik Rairden	1.65 s	Go	2021-06-30 10:27:01

#	User	Runtime	Language	Date
1	Steinar Simonnes	2.44 s	Haskell	2024-12-31 14:06:25
2	Øyvind Almli	2.58 s	Haskell	2021-10-27 14:26:29
3	Brent Yorgey	3.24 s	Haskell	2021-02-01 21:43:18
4	Ng Tek In	3.24 s	Haskell	2022-08-25 19:33:30

#	User	Runtime	Language	Date
1	Hidden user	0.14 s	Java	2021-06-06 01:03:41
2	Sven Rönnbäck	0.33 s	Java	2022-03-12 00:18:03
3	Crystal Sharpe	0.60 s	Java	2021-03-25 07:43:50
4	Victor Nguyen	0.60 s	Java	2021-09-18 01:24:43
5	Samuel Klingström	0.60 s	Java	2021-09-28 20:20:06
6	Emil Bak-Møller	0.61 s	Java	2021-07-30 17:23:37
7	Anish Kambhampati	0.61 s	Java	2022-01-31 00:52:51
8	Theodoric Keith Lim	0.62 s	Java	2021-06-08 07:41:52
9	Bjørn Dons	0.62 s	Java	2022-04-09 16:15:32
10	Mehrad Hajati	0.63 s	Java	2021-03-11 02:46:25

#	User	Runtime	Language	Date
1	Mikael Fiala-Lundström	2.34 s	JavaScript (Node.js)	2021-06-21 20:32:19
2	Peter Hairatidis	2.41 s	JavaScript (Node.js)	2022-09-27 23:30:47
3	Toa Pita	2.97 s	JavaScript (Node.js)	2022-06-03 04:19:47

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	1.39 s	JavaScript (SpiderMonkey)	2023-03-10 17:35:31
2	Zach Tschetter	1.97 s	JavaScript (SpiderMonkey)	2023-05-21 23:33:57
3	Bjørn Chr. Soltvedt	2.40 s	JavaScript (SpiderMonkey)	2021-10-20 19:24:46
4	Jimmy Gustafsson	3.24 s	JavaScript (SpiderMonkey)	2024-08-18 20:31:48

#	User	Runtime	Language	Date
1	Timothy Gaede	1.98 s	Julia	2024-09-01 07:02:24

#	User	Runtime	Language	Date
1	Mathias Skallerud Jacobsen	0.78 s	Kotlin	2021-04-15 16:44:22
2	Sergey Jakobsen	0.79 s	Kotlin	2022-02-18 23:05:51
3	Adam Rankin	0.80 s	Kotlin	2023-05-09 00:58:03

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	1.33 s	Pascal	2023-06-24 10:02:02

#	User	Runtime	Language	Date
1	Andreas Björklund	0.04 s	Python 2	2021-04-07 17:19:47
2	Johan Lyts	0.54 s	Python 2	2021-02-02 13:08:37
3	Thomas Feld	0.61 s	Python 2	2023-05-11 08:41:18
4	Clement Oh	0.61 s	Python 2	2023-06-29 07:23:38
5	Hasan Kalzi	0.67 s	Python 2	2022-06-18 22:20:49

#	User	Runtime	Language	Date
1	Yang Li	0.04 s	Python 3	2025-03-24 00:09:46
2	Ahmed Siadomar	0.05 s	Python 3	2025-03-17 21:56:04
3	Dominic Berzin Chua Way Gin	0.05 s	Python 3	2025-04-17 14:09:39
4	Hidden user	0.05 s	Python 3	2026-02-15 05:36:37
5	Godmar Back	0.06 s	Python 3	2021-02-01 06:12:17
6	Zac Friggstad	0.06 s	Python 3	2021-06-28 01:05:13
7	Petr	0.06 s	Python 3	2024-11-21 14:02:46
8	Isaac Lee	0.07 s	Python 3	2021-05-03 04:16:18
9	Manu Lam	0.54 s	Python 3	2021-03-30 17:36:03
10	Guan Yang Ze	0.54 s	Python 3	2021-04-27 07:55:55

#	User	Runtime	Language	Date
1	Kalle Vigren	0.93 s	Rust	2024-06-28 15:27:28
2	Taylor South	0.93 s	Rust	2024-09-10 23:26:19
3	Isak Jägberg	1.75 s	Rust	2023-03-24 10:32:06
4	Bas Dirks	1.81 s	Rust	2022-01-17 07:51:39
5	David Aldenbro	1.89 s	Rust	2023-10-26 16:43:42

#	User	Length	Language	Date
1	Mikael K Eriksson	312	C	2021-09-29 13:33:27
2	Julian Duniec	429	C	2023-08-15 16:19:21
3	Nick Hargrove	437	C	2022-03-14 20:15:35

#	User	Length	Language	Date
1	Sam Anderson	407	C#	2025-12-21 19:56:44
2	Yuwono Bangun Nagoro	687	C#	2022-11-24 13:42:04
3	Umar Rasyid	728	C#	2025-07-06 04:34:37
4	Freddy N	742	C#	2023-12-20 12:36:07
5	Dragan Grujović	872	C#	2023-01-21 19:36:02
6	Göran Andersson	1090	C#	2022-05-29 19:26:59

#	User	Length	Language	Date
1	Yeung Man Tsung	251	C++	2022-12-24 11:18:37
2	Grae Yeandle	275	C++	2021-03-26 18:08:16
3	Mohsen Mahroos	277	C++	2023-04-05 11:23:46
4	Alexander Skidanov	287	C++	2025-02-13 20:15:51
5	Christian Yongwhan Lim	304	C++	2023-05-24 01:33:48
6	Hyunjun Lee	306	C++	2022-11-25 07:06:11
7	Howard Cheng	307	C++	2021-10-13 19:10:37
8	Marshall D Feng	320	C++	2023-12-01 05:48:58
9	Konráð Elí Sigurgeirsson	323	C++	2025-07-21 19:06:16
10	Leslie Yip	324	C++	2022-10-05 14:26:47

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	726	F#	2022-12-24 16:42:33

#	User	Length	Language	Date
1	dick move	380	Go	2022-11-07 16:57:26
2	Erik Rairden	408	Go	2021-06-30 10:27:01
3	Norbert Voelker	3628	Go	2021-07-31 00:58:17

#	User	Length	Language	Date
1	Øyvind Almli	207	Haskell	2021-10-27 13:09:31
2	Steinar Simonnes	308	Haskell	2024-12-31 13:58:11
3	Ng Tek In	477	Haskell	2022-08-25 19:33:30
4	Brent Yorgey	1850	Haskell	2021-02-01 21:43:18

#	User	Length	Language	Date
1	DARREN SMEIGH	268	Java	2023-12-08 22:15:56
2	Jason Liu	356	Java	2023-05-25 04:05:31
3	Russell Rivard	395	Java	2022-01-18 20:50:13
4	Hunter Mullen	466	Java	2025-02-20 06:49:53
5	Daniel Foster	468	Java	2023-12-08 14:00:35
6	Duy Nguyen	477	Java	2021-12-11 02:14:13
7	Rishabh Mittal	499	Java	2022-05-28 02:55:33
8	KADEN BUI	503	Java	2023-12-06 14:55:21
9	KATELYN MILLER	506	Java	2023-12-06 14:46:42
10	Gian Peña	517	Java	2021-05-08 19:07:19

#	User	Length	Language	Date
1	Peter Hairatidis	495	JavaScript (Node.js)	2022-09-27 23:30:47
2	Toa Pita	534	JavaScript (Node.js)	2022-06-03 04:19:47
3	Mikael Fiala-Lundström	769	JavaScript (Node.js)	2021-06-21 20:32:19

#	User	Length	Language	Date
1	Jimmy Gustafsson	81	JavaScript (SpiderMonkey)	2024-08-18 20:31:48
2	Bjørn Chr. Soltvedt	170	JavaScript (SpiderMonkey)	2021-10-20 19:24:46
3	Christian Pilegaard Cederquist	175	JavaScript (SpiderMonkey)	2023-03-10 17:35:31
4	Zach Tschetter	184	JavaScript (SpiderMonkey)	2023-05-21 23:33:57

#	User	Length	Language	Date
1	Timothy Gaede	246	Julia	2024-09-01 07:02:24

#	User	Length	Language	Date
1	Sergey Jakobsen	214	Kotlin	2022-02-18 23:12:12
2	Mathias Skallerud Jacobsen	329	Kotlin	2021-04-15 16:44:22
3	Adam Rankin	947	Kotlin	2023-05-09 00:58:03

#	User	Length	Language	Date
1	Ingemar Ragnemalm	273	Pascal	2023-06-24 10:02:02

#	User	Length	Language	Date
1	Thomas Feld	74	Python 2	2023-05-11 08:43:45
2	Clement Oh	74	Python 2	2023-06-29 07:23:38
3	Johan Lyts	144	Python 2	2021-02-02 13:08:37
4	Hasan Kalzi	321	Python 2	2021-03-22 08:46:28
5	Andreas Björklund	1070	Python 2	2021-04-07 17:19:47

#	User	Length	Language	Date
1	Benjamin Z White	78	Python 3	2023-05-07 09:42:49
2	Thomas Feld	78	Python 3	2023-05-11 08:36:34
3	Clement Oh	78	Python 3	2023-06-29 07:19:58
4	Daniel Bogorad	78	Python 3	2025-09-25 23:05:57
5	Guk Yi Siong	79	Python 3	2023-06-12 19:09:41
6	Simon Baeckelant	84	Python 3	2024-12-02 04:47:28
7	Ahmed Chamseddine	85	Python 3	2025-01-11 00:05:43
8	Nihal Zuhayar Parash Miaji	86	Python 3	2022-11-30 16:55:14
9	Thibault Raffaillac	90	Python 3	2024-08-03 13:44:37
10	Hidden user	92	Python 3	2021-05-24 20:15:20

#	User	Length	Language	Date
1	David Aldenbro	230	Rust	2023-10-26 16:40:37
2	Bas Dirks	441	Rust	2022-01-17 07:51:39
3	Isak Jägberg	514	Rust	2023-03-24 10:32:06
4	Kalle Vigren	825	Rust	2024-06-28 15:27:28
5	Taylor South	842	Rust	2024-09-10 23:26:19

Solution running time distribution