Problem D
Gandalf's Spell — Problem Statistics

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Submissions	1394
Accepted submissions	559
Submission ratio	40.10%
Authors	564
Full solves [?]	494
Full solve Ratio	87.59%

#	User	Runtime	Language	Date
1	Sami Al Chalati	0.00 s	C	2024-10-22 18:58:43
2	SHUBIKSHAA V J	0.00 s	C	2025-03-26 06:15:28
3	CHANDRU P	0.00 s	C	2025-03-26 07:29:22
4	Naveen Kumar S	0.00 s	C	2025-04-30 13:07:43
5	Trọng Phát Phan	0.00 s	C	2026-03-01 14:34:20
6	Bergur Snorrason	0.01 s	C	2022-03-10 11:49:26

#	User	Runtime	Language	Date
1	Yuwono Bangun Nagoro	0.02 s	C#	2022-08-27 14:37:57
2	Henrik Hallbert	0.03 s	C#	2022-03-17 10:29:56
3	Mikael Fiala-Lundström	0.03 s	C#	2022-05-02 21:37:29
4	Collin Dewey	0.04 s	C#	2023-06-16 14:48:43
5	Asger Lysdahl	0.05 s	C#	2023-05-05 20:55:44
6	Freek van Keulen	0.05 s	C#	2024-02-06 13:58:36

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.09 s	F#	2023-05-07 08:02:09

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Go	2023-11-04 07:40:23
2	Hidden user	0.00 s	Go	2023-11-04 07:41:08
3	Pandhu Hutomo Aditya	0.00 s	Go	2023-11-04 09:02:04
4	Hidden user	0.00 s	Go	2023-11-04 19:17:04
5	Bagus Kurnia	0.00 s	Go	2023-11-06 00:22:10
6	Husain Satan	0.00 s	Go	2023-11-07 07:48:33
7	Ade Hendra	0.00 s	Go	2023-11-07 11:23:10
8	Fikri Basa	0.00 s	Go	2023-11-07 16:23:52
9	Muhammad Abdis	0.00 s	Go	2023-11-07 18:05:11
10	Diaz Agfa	0.00 s	Go	2024-01-21 10:17:38

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Haskell	2023-08-09 17:29:05
2	Mason Barnhill	0.00 s	Haskell	2023-09-08 05:52:09
3	Steinar Simonnes	0.00 s	Haskell	2024-02-09 16:46:34
4	Hidden user	0.01 s	Haskell	2022-03-05 20:03:56
5	Brent Yorgey	0.01 s	Haskell	2022-03-17 10:59:10
6	Ng Tek In	0.01 s	Haskell	2022-08-27 18:27:17
7	Hidden user	0.01 s	Haskell	2022-12-10 22:50:01

#	User	Runtime	Language	Date
1	Ranjith M	0.04 s	Java	2024-09-02 14:10:00
2	Bryan Yan	0.04 s	Java	2024-10-10 01:51:28
3	Stela Palii	0.04 s	Java	2024-12-18 02:09:46
4	Raymond Arrington	0.05 s	Java	2024-06-30 05:23:10
5	Crystal Sharpe	0.06 s	Java	2022-03-29 02:08:18
6	Liam Keliher	0.06 s	Java	2022-04-28 22:51:03
7	Mariann Løtvedt	0.06 s	Java	2022-07-15 14:55:40
8	Sven Rönnbäck	0.06 s	Java	2022-11-26 23:48:27
9	Marco Troltsch	0.06 s	Java	2023-02-17 17:32:05
10	Issa Issack	0.06 s	Java	2023-08-30 02:16:19

#	User	Runtime	Language	Date
1	Marcos Freitas	0.04 s	JavaScript (Node.js)	2025-03-20 18:00:02

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2022-03-17 08:56:59
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-29 09:11:46
3	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-06-10 19:34:49
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-03 16:58:29

#	User	Runtime	Language	Date
1	Timothy Gaede	0.66 s	Julia	2024-04-16 12:23:27
2	Danny Robinson	0.69 s	Julia	2023-10-22 01:06:42

#	User	Runtime	Language	Date
1	Adam Rankin	0.18 s	Kotlin	2023-05-09 04:37:26
2	Troy Warmboe	0.19 s	Kotlin	2023-04-14 03:56:36
3	Zaw Myat	0.19 s	Kotlin	2024-01-15 13:35:58
4	Martijn Muijsers	0.19 s	Kotlin	2024-06-04 08:05:07

#	User	Runtime	Language	Date
1	David Connolly	0.00 s	Pascal	2025-11-12 11:39:34

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2022-12-07 15:30:29
2	Hakan Kjellerstrand	0.02 s	Prolog	2023-03-06 20:04:27

#	User	Runtime	Language	Date
1	Andreas Björklund	0.03 s	Python 2	2022-03-13 17:22:56
2	Johan Lyts	0.03 s	Python 2	2022-04-01 12:09:57
3	Yanmarshus Bachtiar	0.03 s	Python 2	2023-02-15 07:28:54
4	Muhammad Ilham Hidayat	0.03 s	Python 2	2023-11-04 09:08:12
5	DHARSHAN V S	0.07 s	Python 2	2025-03-26 14:57:20
6	Sivasankaran D	0.07 s	Python 2	2025-09-27 17:35:46

#	User	Runtime	Language	Date
1	Rasmus Lystrøm	0.04 s	Python 3	2022-06-13 05:59:48
2	Teikn Smith	0.04 s	Python 3	2022-07-06 20:53:44
3	Weiguo Jiang	0.04 s	Python 3	2022-07-08 21:10:33
4	Christofer Ohlsson	0.04 s	Python 3	2022-07-17 09:35:28
5	Kattis Speedrun	0.04 s	Python 3	2022-07-21 18:12:27
6	Rajul Srivastava	0.04 s	Python 3	2022-07-31 15:01:39
7	Łukasz Łukaszew	0.04 s	Python 3	2022-08-04 07:57:32
8	Ryan Tan	0.04 s	Python 3	2022-08-07 15:04:02
9	Hidden user	0.04 s	Python 3	2022-08-18 04:47:09
10	Peter Stauder	0.04 s	Python 3	2022-08-20 13:31:11

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-02-28 12:27:29
2	Alexander Bilde Pedersen	0.06 s	Ruby	2023-06-03 22:28:28

#	User	Runtime	Language	Date
1	Bas Dirks	0.00 s	Rust	2022-04-30 11:15:53
2	Eric Pinter	0.00 s	Rust	2022-05-19 02:05:24
3	Aaron Lengyel	0.00 s	Rust	2022-08-23 23:25:04
4	Matias Frank Jensen	0.00 s	Rust	2022-09-23 18:45:03
5	Klas af Geijerstam	0.00 s	Rust	2022-12-09 18:34:02
6	David Wilkinson	0.00 s	Rust	2023-02-15 23:57:26
7	Isak Jägberg	0.00 s	Rust	2023-03-27 11:50:59
8	Hidden user	0.00 s	Rust	2023-10-27 16:13:58
9	Vincent Lagerros	0.00 s	Rust	2025-08-05 17:25:43

#	User	Length	Language	Date
1	CHANDRU P	1451	C	2025-03-26 07:29:22
2	Naveen Kumar S	1500	C	2025-04-30 13:07:43
3	Sami Al Chalati	1590	C	2024-10-22 18:58:43
4	SHUBIKSHAA V J	2083	C	2025-03-26 06:15:28
5	Trọng Phát Phan	2143	C	2026-03-01 14:34:20
6	Bergur Snorrason	2758	C	2022-03-10 11:49:26

#	User	Length	Language	Date
1	Freek van Keulen	952	C#	2024-02-06 13:58:36
2	Mikael Fiala-Lundström	1245	C#	2022-05-02 21:37:29
3	Yuwono Bangun Nagoro	1359	C#	2022-08-27 14:37:57
4	Collin Dewey	1711	C#	2023-06-16 14:48:43
5	Asger Lysdahl	1831	C#	2023-05-05 20:55:44
6	Henrik Hallbert	3944	C#	2022-03-17 10:29:56

#	User	Length	Language	Date
1	Frans Meulenbroeks	261	C++	2025-02-07 09:11:36
2	Yeung Man Tsung	464	C++	2022-11-20 10:02:42
3	Grae Yeandle	483	C++	2022-05-11 09:36:46
4	Armen Andreasyan	493	C++	2022-04-26 07:37:27
5	Vladyslav Reznikov	562	C++	2022-05-15 13:52:07
6	Hyunjun Lee	562	C++	2022-11-11 01:07:45
7	Jorge Hernández Palop	570	C++	2025-03-29 11:33:29
8	Dmitry Lyubshin	581	C++	2023-04-06 12:50:11
9	Atli Fannar Franklín	583	C++	2022-03-10 12:09:01
10	Andrii Dubinin	602	C++	2024-03-02 07:41:33

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1461	F#	2023-05-07 08:02:09

#	User	Length	Language	Date
1	Muhammad Abdis	710	Go	2023-11-07 18:05:11
2	Hidden user	740	Go	2023-11-04 07:40:23
3	Hidden user	740	Go	2023-11-04 07:41:08
4	Bagus Kurnia	764	Go	2023-11-06 00:22:10
5	Diaz Agfa	810	Go	2024-01-21 10:17:38
6	Hidden user	875	Go	2023-11-04 19:17:04
7	Husain Satan	877	Go	2023-11-07 07:48:33
8	Fikri Basa	962	Go	2023-11-07 16:23:52
9	Norbert Voelker	1026	Go	2022-04-12 16:24:11
10	Pandhu Hutomo Aditya	1067	Go	2023-11-04 09:02:04

#	User	Length	Language	Date
1	Mason Barnhill	394	Haskell	2023-09-08 05:52:09
2	Steinar Simonnes	601	Haskell	2024-02-09 16:46:34
3	Ng Tek In	672	Haskell	2022-08-27 18:27:17
4	Hidden user	712	Haskell	2022-12-10 22:50:01
5	Hidden user	1015	Haskell	2023-08-09 17:29:05
6	Hidden user	1285	Haskell	2022-03-05 20:03:56
7	Brent Yorgey	8973	Haskell	2022-03-17 10:59:10

#	User	Length	Language	Date
1	Carolyn Gao	725	Java	2026-03-11 01:47:06
2	Sofia Parada-Lopez	762	Java	19:04:24
3	Tiffani Slutsky	802	Java	2025-04-16 00:37:57
4	Doug Goodman	881	Java	2022-03-11 12:53:19
5	Crystal Sharpe	898	Java	2022-03-29 02:08:18
6	Christopher Enberg	944	Java	2024-02-04 20:53:02
7	Sophia Fontes	969	Java	2026-03-22 21:36:40
8	Steven Cheng	1002	Java	2023-02-02 04:17:24
9	Shobika S	1007	Java	2025-03-26 06:05:27
10	Alejandro M	1020	Java	2025-04-17 23:55:06

#	User	Length	Language	Date
1	Marcos Freitas	1506	JavaScript (Node.js)	2025-03-20 18:00:02

#	User	Length	Language	Date
1	Jimmy Gustafsson	357	JavaScript (SpiderMonkey)	2024-08-03 16:58:29
2	Zach Tschetter	396	JavaScript (SpiderMonkey)	2023-06-10 19:34:49
3	Bjørn Chr. Soltvedt	524	JavaScript (SpiderMonkey)	2022-03-17 08:56:59
4	Christian Pilegaard Cederquist	532	JavaScript (SpiderMonkey)	2023-01-29 09:11:46

#	User	Length	Language	Date
1	Danny Robinson	165	Julia	2023-10-22 01:06:42
2	Timothy Gaede	1107	Julia	2024-04-16 12:19:12

#	User	Length	Language	Date
1	Troy Warmboe	635	Kotlin	2023-04-14 03:56:36
2	Zaw Myat	721	Kotlin	2024-01-15 13:35:58
3	Adam Rankin	1007	Kotlin	2023-05-09 04:37:26
4	Martijn Muijsers	1160	Kotlin	2024-06-04 08:05:07

#	User	Length	Language	Date
1	David Connolly	1227	Pascal	2025-11-12 11:39:34

#	User	Length	Language	Date
1	Hakan Kjellerstrand	275	Prolog	2023-03-06 20:12:25
2	Andriy Zyevakov	737	Prolog	2022-12-07 15:30:29

#	User	Length	Language	Date
1	Andreas Björklund	400	Python 2	2022-03-13 17:22:56
2	Yanmarshus Bachtiar	448	Python 2	2023-02-15 07:28:54
3	Johan Lyts	449	Python 2	2022-04-01 12:09:57
4	Sivasankaran D	642	Python 2	2025-09-27 17:35:46
5	Muhammad Ilham Hidayat	716	Python 2	2023-11-04 09:10:25
6	DHARSHAN V S	927	Python 2	2025-03-26 14:57:20

#	User	Length	Language	Date
1	Teikn Smith	139	Python 3	2022-07-06 20:53:44
2	Hrant Hovhannisyan	156	Python 3	2025-04-01 08:15:26
3	Thibault Raffaillac	172	Python 3	2024-08-01 12:37:07
4	Thomas Feld	216	Python 3	2022-08-29 10:28:14
5	David Aldenbro	223	Python 3	2025-08-31 11:17:26
6	Farzam Abrishami	227	Python 3	2024-01-20 16:05:22
7	guo yulong	232	Python 3	2023-10-29 11:32:31
8	Oskar Haarklou Veileborg	244	Python 3	2022-03-12 11:03:31
9	Suus Brommer	250	Python 3	2024-03-15 10:15:52
10	Hidden user	279	Python 3	2023-04-19 04:16:18

#	User	Length	Language	Date
1	Thomas Feld	94	Ruby	2023-02-28 12:46:41
2	Alexander Bilde Pedersen	318	Ruby	2023-06-03 22:28:28

#	User	Length	Language	Date
1	Hidden user	832	Rust	2023-10-27 16:13:58
2	Matias Frank Jensen	939	Rust	2022-09-23 18:45:03
3	Bas Dirks	946	Rust	2022-04-30 11:15:53
4	Vincent Lagerros	973	Rust	2025-08-05 17:25:43
5	Isak Jägberg	1038	Rust	2023-03-27 11:50:59
6	Eric Pinter	1783	Rust	2022-05-19 02:05:24
7	David Wilkinson	1828	Rust	2023-02-15 23:57:26
8	Aaron Lengyel	5163	Rust	2022-08-23 23:25:04
9	Klas af Geijerstam	12772	Rust	2022-12-09 18:34:02

Solution running time distribution