Problem A
Troll Hunt — Problem Statistics

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Submissions	6785
Accepted submissions	2440
Submission ratio	35.96%
Authors	2390
Full solves [?]	2059
Full solve Ratio	86.15%

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	APL	2023-03-09 10:22:27

#	User	Runtime	Language	Date
1	Frans Meulenbroeks	0.01 s	Bash	2025-03-31 21:55:39
2	Chenzhang Hu	0.01 s	Bash	2025-09-12 14:31:46
3	Thomas Feld	0.07 s	Bash	2023-09-27 13:54:06

#	User	Runtime	Language	Date
1	masosz	0.02 s	C#	2015-04-02 19:49:14
2	Greg Roderick	0.02 s	C#	2015-09-25 03:37:55
3	Andriy Zyevakov	0.02 s	C#	2016-02-21 19:26:55
4	Andrzej Krajniak	0.02 s	C#	2016-08-04 23:16:14
5	Robert Low	0.02 s	C#	2016-08-10 20:38:52
6	Tomaž Kramer	0.02 s	C#	2016-12-03 08:21:31
7	Klas af Geijerstam	0.02 s	C#	2016-12-07 23:52:39
8	Robert Warnestam	0.02 s	C#	2017-01-23 15:30:18
9	Andreas Lilleskare	0.02 s	C#	2017-01-28 09:45:45
10	Rasmus Brants	0.02 s	C#	2017-04-22 18:00:27

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2023-01-19 14:22:41

#	User	Runtime	Language	Date
1	Suka Isnaini	0.00 s	Go	2023-12-07 11:25:59
2	Rickard Bemm	0.02 s	Go	2022-09-06 23:15:53
3	Krzysztof Gibuła	0.07 s	Go	2019-03-06 22:49:08
4	Theo Coyne Morgan	0.07 s	Go	2019-03-27 01:17:33
5	Sander Hellesø	0.07 s	Go	2019-04-22 04:20:18
6	Alessandro Innocenti	0.08 s	Go	2021-01-08 16:46:38
7	Diogo Lima	0.08 s	Go	2021-01-31 16:24:58
8	Norbert Voelker	0.08 s	Go	2021-07-29 00:59:19

#	User	Runtime	Language	Date
1	Axel Nilsson	0.04 s	Java	2024-08-24 12:34:11
2	Fatima Mahmood	0.04 s	Java	2025-03-18 20:33:29
3	Gabriel Robinson	0.04 s	Java	2025-11-18 23:44:22
4	Jens Ståhl	0.05 s	Java	2012-02-22 17:36:02
5	Simon Klein	0.05 s	Java	2012-02-22 17:43:58
6	Erik Odenman	0.05 s	Java	2012-02-22 17:54:22
7	Johan Stenberg	0.05 s	Java	2012-02-22 18:52:38
8	Hidden user	0.05 s	Java	2014-03-25 02:58:23
9	Henrik Sandström	0.05 s	Java	2015-02-07 17:11:59
10	Ben Smith	0.05 s	Java	2015-09-30 03:44:43

#	User	Runtime	Language	Date
1	Candace Graus	0.05 s	JavaScript (Node.js)	2019-01-20 23:32:10
2	Hidden user	0.08 s	JavaScript (Node.js)	2022-09-20 11:52:22
3	Jesus Kvistus	0.42 s	JavaScript (Node.js)	2020-12-09 15:59:55

#	User	Runtime	Language	Date
1	Evgeniy Sharapov	0.01 s	JavaScript (SpiderMonkey)	2015-10-06 23:44:08
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-08-05 00:53:48
3	Ben-Richard Ebbesvik	0.01 s	JavaScript (SpiderMonkey)	2018-02-04 19:40:06
4	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-02-02 15:25:22

#	User	Runtime	Language	Date
1	Timothy Gaede	0.56 s	Julia	2024-06-25 07:23:27

#	User	Runtime	Language	Date
1	Kasper Ingelvide	0.13 s	Kotlin	2020-10-28 16:24:57
2	Johnny Baloney	0.13 s	Kotlin	2022-02-24 13:32:40
3	Dayan Ruben Gonzalez	0.14 s	Kotlin	2020-09-27 22:15:17
4	Marcin Wiśniowski	0.15 s	Kotlin	2018-09-28 13:53:33
5	Mike Menendez	0.19 s	Kotlin	2019-04-22 06:13:58
6	Timur Bas	0.19 s	Kotlin	2020-12-22 07:57:18
7	Federico Frontini	0.19 s	Kotlin	2021-01-03 12:24:51
8	Sergey Jakobsen	0.19 s	Kotlin	2021-03-08 18:12:05
9	Mohsen Dehbashi	0.20 s	Kotlin	2019-07-09 06:11:48
10	Adam Rankin	0.20 s	Kotlin	2023-04-28 01:07:26

#	User	Runtime	Language	Date
1	Zeheng Li	0.00 s	Lua	2023-11-29 10:12:37
2	Caleb Austin	0.00 s	Lua	2024-09-06 23:38:36

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-08-12 17:06:07
2	Joseph Chau	0.00 s	Pascal	2024-02-02 22:49:30

#	User	Runtime	Language	Date
1	Susanne Ragnemalm	0.01 s	PHP	2024-05-19 19:13:56

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Python 2	2012-02-26 15:21:27
2	Joakim Uddholm	0.02 s	Python 2	2013-11-03 00:29:28
3	Kristmundur Agust	0.02 s	Python 2	2015-03-11 19:03:06
4	Christofer Ohlsson	0.02 s	Python 2	2015-04-01 12:38:31
5	Paulo Bu	0.02 s	Python 2	2015-04-07 17:05:51
6	Kit Maywood	0.02 s	Python 2	2015-06-10 14:04:02
7	Johannes Agestam	0.02 s	Python 2	2015-08-19 11:50:46
8	Urban Pettersson	0.02 s	Python 2	2016-02-02 20:23:14
9	Alvaro Silvino	0.02 s	Python 2	2016-03-31 17:56:36
10	Martin Jackson	0.02 s	Python 2	2016-08-05 00:15:04

#	User	Runtime	Language	Date
1	James Elías Sigurðarson	0.02 s	Python 3	2015-06-12 13:37:00
2	Petra Vidic	0.02 s	Python 3	2015-07-25 15:00:48
3	Johannes Agestam	0.02 s	Python 3	2015-08-19 11:45:11
4	Adam Fazekas	0.02 s	Python 3	2015-10-05 09:11:32
5	Bernhard Kartefla	0.02 s	Python 3	2016-03-18 20:39:21
6	Óðinn Eyjólfsson	0.02 s	Python 3	2016-04-04 16:44:44
7	Marika Rostvall	0.02 s	Python 3	2016-05-17 18:03:13
8	Arnar Bjarni Arnarson	0.02 s	Python 3	2016-05-26 18:02:13
9	Ziyad Mourabiti	0.02 s	Python 3	2016-08-03 23:14:17
10	Joshua Zygmunt	0.02 s	Python 3	2016-08-04 01:53:00

#	User	Runtime	Language	Date
1	Yaman Shiekh Deia	0.03 s	Ruby	2016-05-16 16:02:29
2	Erik Rydbert	0.03 s	Ruby	2016-08-09 08:47:42
3	André Danielsson	0.03 s	Ruby	2016-09-13 16:41:20
4	Reed Harris	0.03 s	Ruby	2018-02-19 18:24:17
5	Hidden user	0.04 s	Ruby	2019-11-20 18:40:50
6	Hidden user	0.04 s	Ruby	2019-12-15 05:15:37
7	Jacob Kjeldahl	0.05 s	Ruby	2020-10-29 16:47:21
8	Mohammad Satrio	0.05 s	Ruby	2020-10-30 14:20:52
9	Thomas Feld	0.06 s	Ruby	2022-12-13 09:23:23

#	User	Length	Language	Date
1	Thomas Feld	35	APL	2023-03-09 10:22:27

#	User	Length	Language	Date
1	Chenzhang Hu	32	Bash	2025-09-12 14:31:46
2	Thomas Feld	38	Bash	2023-09-27 13:54:06
3	Frans Meulenbroeks	44	Bash	2025-03-31 21:55:39

#	User	Length	Language	Date
1	Yao Wang	152	C	2020-02-11 04:17:24
2	Roemer Caliboso	158	C	2024-09-09 00:49:36
3	Emil Bengtsson	161	C	2017-08-13 12:13:00
4	Aman mittal	171	C	2017-07-31 18:23:11
5	Christian Lindeström	176	C	2016-08-17 16:11:42
6	Priyanshi Shrivastava	178	C	2017-07-31 17:10:21
7	Sofie Kimberly	182	C	2020-11-12 10:27:06
8	Hidden user	184	C	2020-12-04 08:46:04
9	Mikael K Eriksson	187	C	2021-01-19 13:27:38
10	Drake Packard	189	C	2018-02-25 04:11:12

#	User	Length	Language	Date
1	traxex	207	C#	2024-05-07 15:22:38
2	Fernanda Ferrer Ortega	281	C#	2023-03-23 01:24:28
3	Nathan Andrews	285	C#	2024-09-07 00:26:19
4	María José López Sánchez	291	C#	2023-02-26 21:53:56
5	Gretel Rojas	291	C#	2023-02-28 03:25:15
6	Santiago Sarabia Martínez	291	C#	2023-04-21 08:52:53
7	Renata Magaña Ramírez de Arellano	291	C#	2023-04-24 08:01:45
8	Lucía María Alvarez Sánchez	291	C#	2023-05-24 21:38:46
9	Julián López Valencia	293	C#	2022-10-01 05:09:03
10	Mikkel Hougaard	296	C#	2020-11-10 09:23:14

#	User	Length	Language	Date
1	Evan Magill	91	C++	2024-01-21 06:48:15
2	Wang jimhong	121	C++	2025-08-13 10:47:15
3	Richard Putra	125	C++	2018-02-19 08:40:40
4	Matthew Michalka	129	C++	2018-02-23 01:26:37
5	Johan Wind	130	C++	2015-09-21 16:26:29
6	Nikolaj Simling	136	C++	2016-11-18 01:56:04
7	Nicholas Winschel	136	C++	2023-10-10 00:05:40
8	William Gan	137	C++	2017-03-01 13:48:22
9	Oliver Ruste Jahren	138	C++	2023-07-13 16:06:16
10	Le Heng Chieu	140	C++	2017-09-03 14:33:22

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	258	F#	2023-01-19 14:22:41

#	User	Length	Language	Date
1	Rickard Bemm	178	Go	2022-09-06 23:15:53
2	Theo Coyne Morgan	183	Go	2019-03-27 01:17:33
3	Alessandro Innocenti	218	Go	2021-01-08 16:46:38
4	Suka Isnaini	260	Go	2023-12-07 11:25:59
5	Diogo Lima	351	Go	2021-01-31 16:35:28
6	Krzysztof Gibuła	423	Go	2019-03-06 22:49:08
7	Norbert Voelker	500	Go	2021-07-29 00:59:19
8	Sander Hellesø	829	Go	2019-04-22 04:20:18

#	User	Length	Language	Date
1	Hidden user	123	Haskell	2017-05-17 12:54:35
2	Agus Sentosa Hermawan	124	Haskell	2021-10-31 09:28:40
3	Niklas Rosén	183	Haskell	2016-09-16 17:33:23
4	Johan Meier	221	Haskell	2016-12-04 15:39:15
5	Hidden user	224	Haskell	2016-09-13 07:52:29
6	Rafael Gonzalez Lopez	229	Haskell	2017-03-13 22:28:58
7	Isaac Arvestad	245	Haskell	2017-02-21 22:51:40
8	Steinar Simonnes	251	Haskell	2025-01-01 21:27:57
9	Sander Wiig	292	Haskell	2020-11-12 14:00:11
10	Anders Lykkehoy	298	Haskell	2017-05-03 16:25:16

#	User	Length	Language	Date
1	Georgios Iatrou	243	Java	2016-12-30 13:56:32
2	Åke Wettergren	256	Java	2019-11-22 20:21:27
3	Alex Rutledge	260	Java	2018-02-12 20:52:01
4	Natalie Longtin	262	Java	2018-02-12 20:22:04
5	Jens Kjærgaard Boldsen	269	Java	2017-01-19 09:29:32
6	Paul Boddington	273	Java	2016-05-05 16:05:04
7	LegendofSSJ	278	Java	2018-02-12 20:38:35
8	Ada Clevinger	282	Java	2018-06-07 02:46:18
9	Nigel Quinn	297	Java	2017-12-15 22:14:35
10	Lior Barak	299	Java	2018-02-12 20:16:32

#	User	Length	Language	Date
1	Hidden user	449	JavaScript (Node.js)	2022-09-20 11:58:31
2	Jesus Kvistus	878	JavaScript (Node.js)	2020-12-09 15:59:55
3	Candace Graus	944	JavaScript (Node.js)	2019-01-20 23:32:10

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	57	JavaScript (SpiderMonkey)	2023-02-02 15:25:22
2	Bjørn Chr. Soltvedt	99	JavaScript (SpiderMonkey)	2016-08-05 00:53:48
3	Evgeniy Sharapov	172	JavaScript (SpiderMonkey)	2015-10-06 23:44:08
4	Ben-Richard Ebbesvik	442	JavaScript (SpiderMonkey)	2018-02-04 19:40:06

#	User	Length	Language	Date
1	Timothy Gaede	252	Julia	2024-06-25 07:23:27

#	User	Length	Language	Date
1	Mohsen Dehbashi	145	Kotlin	2019-07-09 06:11:48
2	Sergey Jakobsen	170	Kotlin	2021-03-08 21:25:29
3	Dayan Ruben Gonzalez	208	Kotlin	2020-09-27 22:15:17
4	Jacob Huebner	214	Kotlin	2020-02-29 05:01:29
5	Mike Menendez	269	Kotlin	2019-04-22 06:13:58
6	Federico Frontini	278	Kotlin	2021-01-03 12:24:51
7	Adam Rankin	311	Kotlin	2023-04-28 01:07:26
8	Chris Johnson	350	Kotlin	2023-11-06 23:42:46
9	Timur Bas	391	Kotlin	2020-12-22 07:57:18
10	Kasper Ingelvide	444	Kotlin	2020-10-28 16:24:57

#	User	Length	Language	Date
1	Zeheng Li	111	Lua	2023-11-29 10:12:37
2	Caleb Austin	193	Lua	2024-09-06 23:38:36

#	User	Length	Language	Date
1	Joseph Chau	186	Pascal	2024-02-02 22:49:30
2	Ingemar Ragnemalm	321	Pascal	2017-08-12 17:06:07

#	User	Length	Language	Date
1	Susanne Ragnemalm	476	PHP	2024-05-19 19:13:56

#	User	Length	Language	Date
1	Sigurður Jens Albertsson	57	Python 2	2018-02-21 23:18:46
2	Lars Åström	61	Python 2	2018-10-11 16:17:28
3	Thomas Feld	62	Python 2	2019-09-05 15:00:54
4	Andreas Björklund	63	Python 2	2019-12-15 17:01:16
5	Hidden user	64	Python 2	2018-09-05 23:06:19
6	Jesper Öqvist	65	Python 2	2018-10-29 12:04:35
7	Justin Su	90	Python 2	2017-09-25 13:43:21
8	Haggai Liu	91	Python 2	2017-03-02 07:16:27
9	Paulo Bu	96	Python 2	2015-04-07 17:05:51
10	Hidden user	97	Python 2	2012-02-26 15:21:27

#	User	Length	Language	Date
1	Clement Oh	53	Python 3	2023-06-15 20:35:09
2	Hidden user	54	Python 3	2023-04-17 05:34:07
3	Lee Isaac	55	Python 3	2022-11-09 11:33:35
4	Paco Criado	55	Python 3	2023-08-20 19:37:24
5	Lee Yi Heng	56	Python 3	2024-03-24 16:16:18
6	Harry Zhang	57	Python 3	2023-09-28 16:38:57
7	Ahmed Chamseddine	57	Python 3	2024-06-14 18:39:27
8	Johannes Agestam	59	Python 3	2016-05-17 18:00:33
9	Prateek Bhakta	59	Python 3	2023-01-27 01:53:01
10	Mikael Häglund	60	Python 3	2024-06-01 21:36:33

#	User	Length	Language	Date
1	Thomas Feld	35	Ruby	2022-12-13 09:25:46
2	André Danielsson	71	Ruby	2016-09-13 16:41:20
3	Hidden user	105	Ruby	2019-11-20 18:40:50
4	Erik Rydbert	118	Ruby	2016-08-09 08:47:42
5	Hidden user	124	Ruby	2019-12-15 05:15:37
6	Jacob Kjeldahl	124	Ruby	2020-10-29 16:47:21
7	Reed Harris	226	Ruby	2018-02-19 18:24:17
8	Mohammad Satrio	266	Ruby	2020-10-30 14:20:52
9	Yaman Shiekh Deia	346	Ruby	2016-05-16 16:02:29

#	User	Length	Language	Date
1	Shivam Thakur	304	Rust	2019-06-28 11:56:08
2	Nath Tumlin	391	Rust	2024-04-02 19:59:07
3	Bas Dirks	426	Rust	2022-01-18 18:57:02
4	David Rasch	447	Rust	2022-09-24 09:39:28
5	Hidden user	545	Rust	2021-01-09 18:22:27
6	Marcus Persson	584	Rust	2025-08-24 12:40:12
7	tony	659	Rust	2021-01-29 11:04:44
8	Hidden user	683	Rust	2024-12-30 18:01:26
9	Ryan Mueller	697	Rust	2023-10-11 14:52:07
10	Joe Blower	1575	Rust	2025-11-11 02:15:57

Solution running time distribution