Problem A
Candle Box — Problem Statistics

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Submissions	3269
Accepted submissions	1363
Submission ratio	41.69%
Authors	1328
Full solves [?]	1163
Full solve Ratio	87.58%

#	User	Runtime	Language	Date
1	Duelene Olson	0.02 s	C#	2017-04-25 19:52:21
2	Björn Kellner	0.02 s	C#	2017-10-19 20:01:16
3	Armin Krauss	0.02 s	C#	2018-11-08 13:51:13
4	Hidden user	0.02 s	C#	2019-03-15 16:29:00
5	Volodymyr Besida	0.02 s	C#	2020-03-28 20:07:28
6	Kristian Nilsson	0.02 s	C#	2020-04-18 08:29:25
7	Sebastian Angin	0.02 s	C#	2021-04-09 14:54:44
8	Mikael Fiala-Lundström	0.02 s	C#	2021-07-20 00:11:49
9	Lukas Brolin	0.02 s	C#	2022-04-04 22:29:48

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.03 s	F#	2023-01-22 23:26:23

#	User	Runtime	Language	Date
1	Chris Vilches	0.00 s	Go	2024-08-19 17:28:32
2	Marcus Asplund	0.00 s	Go	2025-05-07 15:14:47
3	Kristoffer Åhgren	0.08 s	Go	2017-04-25 14:12:14
4	Oskar Johanson	0.08 s	Go	2019-10-12 09:48:42
5	Norbert Voelker	0.08 s	Go	2021-08-19 22:44:17

#	User	Runtime	Language	Date
1	Trinh Hoang Anh	0.00 s	Haskell	2017-09-02 06:40:34
2	Hidden user	0.00 s	Haskell	2023-01-12 20:56:38
3	Rudy Matela	0.00 s	Haskell	2024-11-20 18:46:46
4	Steinar Simonnes	0.00 s	Haskell	2025-07-02 13:28:03
5	Fran Cruz Zamorano	0.01 s	Haskell	2018-08-31 22:03:11
6	Brent Yorgey	0.01 s	Haskell	2018-10-20 17:35:07
7	Hidden user	0.01 s	Haskell	2021-05-06 21:17:08

#	User	Runtime	Language	Date
1	Taras Romanyuk	0.04 s	Java	2024-08-10 01:07:51
2	Rene Argento	0.04 s	Java	2025-02-17 23:15:54
3	Eskil Jarlskog	0.05 s	Java	2017-04-01 19:22:28
4	Ronald Rojas	0.05 s	Java	2017-04-02 20:58:00
5	Lewin Gan	0.05 s	Java	2017-04-02 22:06:34
6	Terrence Park	0.05 s	Java	2017-04-03 17:28:34
7	Martijn Muijsers	0.05 s	Java	2017-04-04 00:59:22
8	Micah Stairs	0.05 s	Java	2017-04-05 03:12:04
9	Samuel Klingström	0.05 s	Java	2017-06-12 21:41:16
10	Nick Wu	0.05 s	Java	2017-06-15 06:46:45

#	User	Runtime	Language	Date
1	Linnea Olsson	0.04 s	JavaScript (Node.js)	2025-02-03 14:05:21
2	Estanislao Sarandón	0.04 s	JavaScript (Node.js)	2025-06-16 13:53:22
3	Kim Andre Furevikstrand	0.08 s	JavaScript (Node.js)	2022-01-29 15:20:29
4	Bashar Al-taleb	0.09 s	JavaScript (Node.js)	2023-08-19 18:27:02

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2017-04-02 03:13:13
2	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2017-06-08 18:16:14
3	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-03-29 08:47:28

#	User	Runtime	Language	Date
1	Timothy Gaede	0.58 s	Julia	2024-04-20 06:30:04

#	User	Runtime	Language	Date
1	Warren MacEvoy	0.14 s	Kotlin	2020-11-18 08:28:16
2	Adam Rankin	0.16 s	Kotlin	2023-05-07 22:52:43
3	Hidden user	0.17 s	Kotlin	2021-05-04 11:18:55
4	Adam Koprowski	0.17 s	Kotlin	2021-07-14 22:31:54
5	Taylor South	0.17 s	Kotlin	2023-05-16 02:01:08
6	Filip Belik	0.18 s	Kotlin	2019-10-29 03:20:04
7	Phường Lên	0.18 s	Kotlin	2019-10-29 05:45:15
8	Nicholas Johnson	0.18 s	Kotlin	2021-04-19 02:06:00
9	Hidden user	0.20 s	Kotlin	2020-04-17 01:10:33

#	User	Runtime	Language	Date
1	Pamidimarri Reshwanth	0.00 s	Objective-C	2020-08-19 12:18:05
2	Katamreddy Kamalesh Reddy	0.00 s	Objective-C	2020-08-21 13:51:58

#	User	Runtime	Language	Date
1	jonathan Edfeldt	0.01 s	PHP	2020-11-16 03:01:30
2	Renate	0.01 s	PHP	2021-07-17 21:59:23

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2019-06-14 17:43:15

#	User	Runtime	Language	Date
1	Kasper Borys	0.02 s	Python 2	2017-04-03 04:51:26
2	Haggai Liu	0.02 s	Python 2	2017-04-03 08:28:42
3	Claudius Sundlöf	0.02 s	Python 2	2017-11-02 17:38:54
4	Fan Zhang	0.02 s	Python 2	2017-11-17 07:40:40
5	Tomas Alvarez	0.02 s	Python 2	2017-12-02 17:45:34
6	Andrei Stoica	0.02 s	Python 2	2017-12-07 12:04:45
7	Vifill Sverrisson	0.02 s	Python 2	2017-12-26 01:54:04
8	Erik Sillén	0.03 s	Python 2	2017-05-16 17:38:57
9	Alex Van Keulen	0.03 s	Python 2	2018-02-20 23:03:42
10	Maj Stenmark	0.03 s	Python 2	2018-10-19 21:53:38

#	User	Runtime	Language	Date
1	Paul-Andre Henegar	0.02 s	Python 3	2017-04-01 19:19:56
2	Francisco Martín Mateos	0.02 s	Python 3	2017-04-04 16:39:56
3	Vahagn Altunyan	0.02 s	Python 3	2017-04-11 14:05:33
4	Birkir Brynjarsson	0.02 s	Python 3	2017-04-16 10:22:10
5	Kevin Mendieta Perez	0.02 s	Python 3	2017-04-26 22:28:58
6	Hidden user	0.02 s	Python 3	2017-04-29 20:25:33
7	Ciara Godwin	0.02 s	Python 3	2017-05-30 02:47:14
8	Clifford Owino	0.02 s	Python 3	2017-06-30 18:19:46
9	Денис Соболев	0.02 s	Python 3	2017-07-10 16:06:03
10	Win Htet Aung	0.02 s	Python 3	2017-07-14 02:21:21

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Ruby	2019-02-17 02:47:53
2	Chris Johnson	0.06 s	Ruby	2023-02-08 03:08:20
3	Thomas Feld	0.06 s	Ruby	2023-02-09 11:08:54
4	Hidden user	0.06 s	Ruby	2023-02-12 17:16:27
5	Johan Wellander	0.06 s	Ruby	2023-02-12 17:50:01

#	User	Runtime	Language	Date
1	ramn	0.00 s	Rust	2018-11-03 21:21:21
2	Bas Dirks	0.00 s	Rust	2022-03-05 20:47:46

#	User	Length	Language	Date
1	Josenildo Silva	264	C	2017-07-08 23:47:13
2	Simon Buan	347	C	2018-11-20 23:55:03
3	Gédéon Hounkpatin	355	C	2017-04-03 03:16:39
4	Mirel Cosulschi	360	C	2025-04-24 15:13:50
5	Ivan Petrov	374	C	2019-06-07 08:02:08
6	Osman Abdalla	404	C	2022-04-06 01:15:26
7	Christoffer Eriksson	404	C	2025-06-29 15:31:21
8	Navid Assadian	406	C	2022-01-04 06:49:36
9	Raymond Yang	416	C	2021-06-25 23:03:41
10	Díaz Bryan	419	C	2021-09-03 05:13:19

#	User	Length	Language	Date
1	Michael Damsgaard	487	C#	2024-12-04 14:01:43
2	Armin Krauss	519	C#	2018-11-08 13:51:13
3	Hidden user	563	C#	2019-03-15 16:29:00
4	siyamthanda sabela	619	C#	2023-04-27 02:41:43
5	Yesu Nunna	621	C#	2024-07-08 13:57:56
6	Volodymyr Besida	647	C#	2020-03-28 20:07:28
7	Ismail Gülec	731	C#	2023-10-22 15:00:11
8	Luan Daniel	732	C#	2024-08-05 23:41:22
9	Wiken	766	C#	2023-04-25 13:46:58
10	Emil Siwerstam Vik	775	C#	2023-04-25 13:50:01

#	User	Length	Language	Date
1	Joe Cluett	184	C++	2019-03-15 06:06:44
2	Luca Macchiaroli	200	C++	2017-11-28 01:26:58
3	Tommaso Bianchi	231	C++	2017-09-25 19:13:17
4	Armen Andreasyan	231	C++	2018-11-27 07:37:59
5	Paul Baldaray	234	C++	2021-04-19 02:08:26
6	Dominik Kubicki	238	C++	2021-01-20 16:56:43
7	Shih-Hsuan Lin	241	C++	2023-01-20 03:45:07
8	Way Tan	248	C++	2019-01-08 17:29:25
9	Francesco Milizia	249	C++	2017-07-11 22:30:14
10	Eric Schneider	252	C++	2017-04-01 19:17:39

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	466	F#	2023-01-22 23:26:23

#	User	Length	Language	Date
1	Chris Vilches	496	Go	2024-08-19 17:32:21
2	Kristoffer Åhgren	617	Go	2017-04-25 14:12:14
3	Marcus Asplund	817	Go	2025-05-07 15:14:47
4	Oskar Johanson	909	Go	2019-10-12 09:48:42
5	Norbert Voelker	967	Go	2021-08-19 22:44:17

#	User	Length	Language	Date
1	Rudy Matela	144	Haskell	2024-11-20 18:52:13
2	Fran Cruz Zamorano	311	Haskell	2018-08-31 22:03:11
3	Hidden user	322	Haskell	2021-05-06 21:17:08
4	Steinar Simonnes	390	Haskell	2025-07-02 13:28:03
5	Hidden user	483	Haskell	2023-01-12 20:56:38
6	Trinh Hoang Anh	858	Haskell	2017-09-02 06:40:34
7	Brent Yorgey	887	Haskell	2018-10-20 17:35:07

#	User	Length	Language	Date
1	Hidden user	388	Java	2018-11-03 16:46:52
2	Paolo Pellizzoni	411	Java	2018-12-06 16:43:07
3	Jacob Burroughs	413	Java	2017-04-01 19:56:24
4	Luigi	428	Java	2019-12-10 21:44:24
5	Zain Majumder	441	Java	2021-04-18 02:47:21
6	Ryan Karpuszka	468	Java	2021-04-18 02:30:53
7	Boris Tsyganok	471	Java	2018-03-19 02:09:59
8	Doug Goodman	488	Java	2017-09-10 21:21:00
9	Jessica Södereng	489	Java	2021-02-16 16:03:00
10	Graeme Zinck	503	Java	2017-09-29 01:55:22

#	User	Length	Language	Date
1	Linnea Olsson	770	JavaScript (Node.js)	2025-02-03 14:05:21
2	Estanislao Sarandón	894	JavaScript (Node.js)	2025-06-16 13:53:22
3	Kim Andre Furevikstrand	1075	JavaScript (Node.js)	2022-01-29 15:20:29
4	Bashar Al-taleb	1219	JavaScript (Node.js)	2023-08-19 18:27:02

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	244	JavaScript (SpiderMonkey)	2017-04-02 03:13:13
2	Christian Pilegaard Cederquist	540	JavaScript (SpiderMonkey)	2023-03-29 08:47:28
3	Peter Kedemo	564	JavaScript (SpiderMonkey)	2017-06-08 18:16:14

#	User	Length	Language	Date
1	Timothy Gaede	791	Julia	2024-04-20 06:30:04

#	User	Length	Language	Date
1	Adam Rankin	345	Kotlin	2023-05-07 22:52:43
2	Hidden user	456	Kotlin	2020-04-17 01:10:33
3	Nicholas Johnson	516	Kotlin	2021-04-19 02:06:00
4	Hidden user	635	Kotlin	2021-05-04 11:17:30
5	Filip Belik	686	Kotlin	2019-10-29 03:20:04
6	Phường Lên	751	Kotlin	2019-10-29 05:45:15
7	Taylor South	855	Kotlin	2023-05-16 02:01:08
8	Adam Koprowski	871	Kotlin	2021-07-14 22:31:54
9	Warren MacEvoy	1220	Kotlin	2020-11-18 08:28:16

#	User	Length	Language	Date
1	Pamidimarri Reshwanth	543	Objective-C	2020-08-19 12:18:05
2	Katamreddy Kamalesh Reddy	543	Objective-C	2020-08-21 13:51:58

#	User	Length	Language	Date
1	Renate	350	PHP	2021-07-17 21:59:23
2	jonathan Edfeldt	844	PHP	2020-11-16 03:01:30

#	User	Length	Language	Date
1	Andriy Zyevakov	257	Prolog	2019-06-14 17:43:15

#	User	Length	Language	Date
1	Vifill Sverrisson	123	Python 2	2017-12-26 02:02:53
2	Thomas Feld	154	Python 2	2019-10-01 16:03:13
3	Johan Lyts	164	Python 2	2019-06-24 20:43:36
4	Arnav Aggarwal	175	Python 2	2018-12-12 05:27:07
5	Lars Åström	177	Python 2	2019-10-29 13:05:10
6	Björn Magnusson	177	Python 2	2019-11-07 19:44:20
7	Haggai Liu	184	Python 2	2017-04-03 08:28:42
8	Andreas Björklund	184	Python 2	2021-11-14 21:12:32
9	Kasper Borys	192	Python 2	2017-04-03 04:51:26
10	David Nilsson	220	Python 2	2020-04-04 07:24:36

#	User	Length	Language	Date
1	Nicholas Russell Saerang	122	Python 3	2023-02-22 01:34:29
2	Robert Lamb	122	Python 3	2023-05-16 01:21:03
3	Kaja Trapko	124	Python 3	2023-03-18 17:25:15
4	SAMAR SUBBA	127	Python 3	2023-04-21 12:55:49
5	Clement Oh	129	Python 3	2024-01-05 12:50:06
6	Lee Isaac	139	Python 3	2023-05-14 22:08:04
7	Charles Ancheta	146	Python 3	2023-04-19 01:07:17
8	Ahmed Chamseddine	147	Python 3	2024-09-13 12:10:41
9	Maximilian Harold	148	Python 3	2025-04-23 04:49:59
10	Mohammed Jawhar	151	Python 3	2021-03-23 22:55:16

#	User	Length	Language	Date
1	Thomas Feld	80	Ruby	2023-02-09 11:08:54
2	Hidden user	193	Ruby	2019-02-17 02:47:53
3	Chris Johnson	352	Ruby	2023-02-08 03:08:20
4	Hidden user	398	Ruby	2023-02-12 17:16:27
5	Johan Wellander	519	Ruby	2023-02-12 17:50:01

#	User	Length	Language	Date
1	Bas Dirks	728	Rust	2022-03-05 20:47:46
2	ramn	1613	Rust	2018-11-03 21:21:21

Solution running time distribution