Problem I
Kemija — Problem Statistics

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Submissions	9159
Accepted submissions	5574
Submission ratio	60.86%
Authors	5419
Full solves [?]	5119
Full solve Ratio	94.46%

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	Bash	2023-04-24 16:00:20
2	Chenzhang Hu	0.01 s	Bash	2023-09-10 10:25:22
3	Rudy Matela	0.01 s	Bash	2023-09-16 13:41:55
4	Clement Oh	0.01 s	Bash	2023-12-02 11:37:53
5	Frans Meulenbroeks	0.01 s	Bash	2024-11-23 23:21:13

#	User	Runtime	Language	Date
1	Matija Pestotnik	0.01 s	C#	2015-02-22 14:21:44
2	Tommy Ivarsson	0.01 s	C#	2015-04-14 10:28:15
3	Lara Kozarski	0.01 s	C#	2015-04-17 08:42:06
4	Jimmy Holmström	0.01 s	C#	2015-05-13 12:31:37
5	Bas te Kolste	0.01 s	C#	2015-06-15 17:45:19
6	Marcin Dudek	0.01 s	C#	2015-06-29 22:56:10
7	Nitesh Patel	0.01 s	C#	2015-07-12 16:12:23
8	Christian Nageby	0.01 s	C#	2015-08-10 23:45:19
9	Jack Roip	0.01 s	C#	2015-08-20 22:15:23
10	Jens Mossig	0.01 s	C#	2015-08-26 20:28:28

#	User	Runtime	Language	Date
1	John Dandy	0.01 s	Common Lisp	2020-02-01 05:22:55
2	wibi	0.01 s	Common Lisp	2020-08-21 20:24:50
3	Jinwoo Lee	0.01 s	Common Lisp	2020-10-09 06:06:50
4	J Sotomayor	0.01 s	Common Lisp	2025-09-06 00:39:18
5	David Cawthon	0.02 s	Common Lisp	2019-05-01 03:23:59

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.03 s	F#	2022-06-06 17:54:22

#	User	Runtime	Language	Date
1	Oliver Ruste Jahren	0.00 s	Go	2024-03-30 18:35:02
2	Dang Buu Hoa	0.01 s	Go	2018-08-17 05:10:06
3	Kien Ha Ngoc Tan	0.01 s	Go	2018-08-17 05:11:26
4	Blake Dunn	0.01 s	Go	2019-11-08 08:24:51
5	Alejandro Germain	0.02 s	Go	2018-10-15 16:05:15
6	Neal McCarthy	0.02 s	Go	2018-10-29 02:07:38
7	Hossein Khaliji	0.02 s	Go	2020-04-13 11:27:42
8	James Robb	0.02 s	Go	2020-05-02 17:49:42
9	Joel Petersson Klevje	0.02 s	Go	2021-05-27 02:38:16
10	Le Phu Thanh (K17 CT)	0.02 s	Go	2022-11-03 14:32:52

#	User	Runtime	Language	Date
1	Amy Colpitts	0.04 s	Java	2024-08-07 20:03:16
2	Erik Odenman	0.05 s	Java	2013-04-24 17:44:16
3	Daniel Olausson	0.05 s	Java	2013-04-24 18:24:36
4	Jimmy Mårdell	0.05 s	Java	2014-12-20 19:17:16
5	Daniel Hilpoltsteiner	0.05 s	Java	2015-01-25 15:28:19
6	Henrik Sandström	0.05 s	Java	2015-02-21 13:01:25
7	Wilbur Yang	0.05 s	Java	2015-03-28 23:46:17
8	Mattias Hägglund	0.05 s	Java	2015-04-16 23:30:38
9	Rikard Visuri	0.05 s	Java	2015-04-17 13:54:02
10	Audun Liberg	0.05 s	Java	2015-04-20 01:07:14

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	JavaScript (Node.js)	2024-11-04 01:17:56
2	Carl Sundvall	0.05 s	JavaScript (Node.js)	2018-10-27 20:28:51
3	José Lucas	0.05 s	JavaScript (Node.js)	2019-03-13 19:29:01
4	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-04-26 19:43:18
5	Hidden user	0.05 s	JavaScript (Node.js)	2019-06-27 13:20:34
6	Zeheng Li	0.09 s	JavaScript (Node.js)	2023-01-14 00:32:34
7	Chris Wong	0.41 s	JavaScript (Node.js)	2021-02-03 01:35:34
8	Caleb Rodriguez	0.41 s	JavaScript (Node.js)	2022-03-29 23:03:48
9	Niels De Stickere	0.42 s	JavaScript (Node.js)	2020-04-16 18:49:45
10	John	0.42 s	JavaScript (Node.js)	2020-07-20 04:14:26

#	User	Runtime	Language	Date
1	Igor Zinovyev	0.01 s	JavaScript (SpiderMonkey)	2015-05-20 11:23:55
2	Bjørn Zeiler Hougaard	0.01 s	JavaScript (SpiderMonkey)	2015-11-10 18:28:38
3	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2015-12-17 23:17:38
4	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-01-11 20:55:05
5	Mark Bouchkevitch	0.01 s	JavaScript (SpiderMonkey)	2016-01-21 04:22:59
6	Johannes Jensen	0.01 s	JavaScript (SpiderMonkey)	2016-03-17 16:10:04
7	Adam Murphy	0.01 s	JavaScript (SpiderMonkey)	2016-03-23 19:38:26
8	Dennis Dreissen	0.01 s	JavaScript (SpiderMonkey)	2016-04-02 16:43:35
9	J M	0.01 s	JavaScript (SpiderMonkey)	2016-10-06 20:06:12
10	Sérgio Crisóstomo	0.01 s	JavaScript (SpiderMonkey)	2016-10-07 23:29:20

#	User	Runtime	Language	Date
1	Danny Robinson	0.37 s	Julia	2023-09-02 12:16:25
2	Timothy Gaede	0.56 s	Julia	2024-04-02 04:17:58

#	User	Runtime	Language	Date
1	Jacob Huebner	0.14 s	Kotlin	2020-03-17 05:58:24
2	Dayan Ruben Gonzalez	0.15 s	Kotlin	2020-09-28 02:54:21
3	Hidden user	0.17 s	Kotlin	2017-11-14 11:50:33
4	Dmitry Shostak	0.17 s	Kotlin	2018-06-20 19:18:52
5	Jahid Hasan Imon	0.17 s	Kotlin	2020-05-08 13:39:28
6	Simon Lixenfeld	0.17 s	Kotlin	2021-06-19 10:42:22
7	Ahmed Waseem Saeed	0.17 s	Kotlin	2022-05-22 01:24:34
8	Adam Rankin	0.18 s	Kotlin	2023-05-02 20:43:43
9	Zaw Myat	0.18 s	Kotlin	2024-01-15 13:44:38
10	Neil Harmon	0.19 s	Kotlin	2019-04-04 12:51:49

#	User	Runtime	Language	Date
1	Brandon Tang	0.00 s	OCaml	2023-07-19 10:11:19
2	Gabriella Gloria	0.00 s	OCaml	2025-05-07 18:11:28

#	User	Runtime	Language	Date
1	David Connolly	0.00 s	Pascal	2017-08-18 16:58:49
2	Ingemar Ragnemalm	0.00 s	Pascal	2018-01-15 20:38:55
3	Alexander Grotewohl	0.00 s	Pascal	2021-03-08 02:15:29

#	User	Runtime	Language	Date
1	David Lillis	0.00 s	Perl	2025-09-17 15:58:23

#	User	Runtime	Language	Date
1	Rikard Hjort	0.01 s	PHP	2015-04-05 13:19:47
2	Martin Dibakar Björling	0.01 s	PHP	2015-11-24 14:23:06
3	Silvena Lam	0.01 s	PHP	2016-02-10 10:42:22
4	Steven D. Wilson	0.01 s	PHP	2016-03-19 03:40:02
5	Mohammad Mousavi	0.01 s	PHP	2016-04-17 12:23:39
6	Ali Pandidan	0.01 s	PHP	2016-10-29 07:58:03
7	Jonas Lindenskov Nielsen	0.01 s	PHP	2019-09-16 15:21:14
8	Kevin Dai	0.01 s	PHP	2020-10-23 16:10:28
9	Renate	0.01 s	PHP	2021-04-29 22:08:50
10	Andre Wahyudi	0.01 s	PHP	2022-12-01 09:51:15

#	User	Runtime	Language	Date
1	Hadi Qovaizi	0.01 s	Prolog	2016-04-12 15:23:01
2	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-08 17:57:08

#	User	Runtime	Language	Date
1	John Rikard Mienna	0.02 s	Python 2	2014-12-21 21:36:32
2	Daniel Palmqvist	0.02 s	Python 2	2014-12-24 18:30:18
3	Tore Norderud	0.02 s	Python 2	2014-12-25 02:12:32
4	Jacob Wejendorp	0.02 s	Python 2	2014-12-27 00:15:46
5	Paulo Bu	0.02 s	Python 2	2015-01-22 12:15:12
6	So Kimsu	0.02 s	Python 2	2015-01-29 06:30:36
7	Hidden user	0.02 s	Python 2	2015-02-20 15:24:14
8	Kristmundur Agust	0.02 s	Python 2	2015-02-26 16:55:42
9	Mislav Bobesic	0.02 s	Python 2	2015-03-11 12:44:09
10	Magnus Larsson	0.02 s	Python 2	2015-03-16 17:10:28

#	User	Runtime	Language	Date
1	Alexandre Loiko	0.02 s	Python 3	2013-04-24 17:24:30
2	Nina Potočnik	0.02 s	Python 3	2013-08-16 22:55:01
3	Brian Harrington	0.02 s	Python 3	2015-02-11 20:52:07
4	Matija Pestotnik	0.02 s	Python 3	2015-02-22 09:47:51
5	Irena Zajc	0.02 s	Python 3	2015-02-22 14:26:50
6	Tomaž Pajnič	0.02 s	Python 3	2015-02-22 20:29:56
7	Hlynur “Glitch” Óskar Guðmundsson	0.02 s	Python 3	2015-02-25 18:48:41
8	Björn Gunnarsson	0.02 s	Python 3	2015-03-13 09:54:22
9	Martin Stensgård	0.02 s	Python 3	2015-03-14 02:35:58
10	RegAse	0.02 s	Python 3	2015-03-24 01:56:48

#	User	Runtime	Language	Date
1	Charlie Egan	0.03 s	Ruby	2015-10-04 10:38:38
2	Blake Hyde	0.03 s	Ruby	2015-10-04 23:48:51
3	Gerry Hall	0.03 s	Ruby	2016-03-25 09:02:01
4	Lasse Berglund	0.03 s	Ruby	2016-03-28 09:51:45
5	Wade Westfall	0.03 s	Ruby	2016-04-10 06:30:17
6	Naoki Mizuno	0.03 s	Ruby	2016-04-13 00:47:13
7	Kellen Watt	0.03 s	Ruby	2016-04-17 04:27:40
8	Erik Rydbert	0.03 s	Ruby	2016-07-05 03:40:02
9	Leonardo Brito	0.03 s	Ruby	2016-12-31 00:40:30
10	Kevin Suwala	0.03 s	Ruby	2017-01-07 02:42:30

#	User	Length	Language	Date
1	Clement Oh	26	Bash	2023-12-02 11:37:53
2	Thomas Feld	27	Bash	2023-04-24 16:00:20
3	Chenzhang Hu	27	Bash	2025-09-12 16:48:11
4	Rudy Matela	32	Bash	2023-09-16 13:42:45
5	Frans Meulenbroeks	65	Bash	2024-11-24 14:42:01

#	User	Length	Language	Date
1	Martin Blom	131	C	2024-01-26 13:50:31
2	Haobo Jiang	208	C	2015-10-19 16:31:18
3	Seth Carter	209	C	2017-11-27 07:38:19
4	Mouad Naciri	216	C	2017-04-02 21:44:48
5	Hidden user	221	C	2016-04-15 08:11:00
6	Stephen John Bunting	225	C	2020-09-30 20:40:14
7	Solar Solar	237	C	2021-12-28 17:38:22
8	Han Jiang	242	C	2019-12-17 04:09:51
9	Allan Nouri	245	C	2024-04-11 15:32:48
10	Ehsan Shoja	246	C	2018-06-20 23:48:52

#	User	Length	Language	Date
1	Göran Andersson	249	C#	2022-05-08 17:26:27
2	Anthony Ye	278	C#	2023-05-21 15:11:19
3	Esty Crow	282	C#	2023-05-19 09:48:21
4	Hidden user	287	C#	2020-10-30 11:16:50
5	Andreas Ljungberg	293	C#	2017-12-16 15:59:13
6	Armin Krauss	317	C#	2018-11-11 10:51:12
7	Van Nguyen	366	C#	2022-05-03 22:31:15
8	Christian Nageby	376	C#	2015-08-10 23:45:19
9	Chase Oberg	381	C#	2018-04-14 19:57:22
10	Tommy Ivarsson	386	C#	2015-04-14 10:28:15

#	User	Length	Language	Date
1	Syx Pek	181	C++	2016-01-14 18:30:05
2	Đậu Huy Minh	182	C++	2022-10-13 17:07:53
3	Bryan Wong Wei Heng	190	C++	2020-03-24 19:04:45
4	張均聖	204	C++	2019-07-07 15:00:43
5	Chen Zhe	206	C++	2020-04-18 10:55:42
6	Anil Kumar	208	C++	2019-12-05 19:33:40
7	洪崇恩	210	C++	2024-06-22 05:25:40
8	Hưng Phạm	220	C++	2018-11-09 16:05:49
9	Kuan Wei Heng	221	C++	2018-12-25 09:26:41
10	妹様万歳	222	C++	2020-01-16 11:11:39

#	User	Length	Language	Date
1	David Cawthon	355	Common Lisp	2019-05-01 03:23:59
2	J Sotomayor	385	Common Lisp	2025-09-06 00:39:18
3	John Dandy	426	Common Lisp	2020-02-01 05:23:31
4	Jinwoo Lee	508	Common Lisp	2020-10-09 06:06:50
5	wibi	812	Common Lisp	2020-08-21 20:24:50

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	499	F#	2022-06-06 17:54:22

#	User	Length	Language	Date
1	Oliver Ruste Jahren	252	Go	2024-03-30 18:42:36
2	Giles Hutton	263	Go	2016-08-20 18:36:48
3	Hidden user	273	Go	2023-02-12 01:49:12
4	Ian Howell	325	Go	2016-05-10 09:51:43
5	Jonas Hedin	327	Go	2015-02-24 12:10:44
6	Alejandro Germain	338	Go	2018-10-15 16:11:19
7	Adam Smith	348	Go	2017-02-14 06:55:20
8	Krzysztof Gibuła	405	Go	2019-01-19 00:15:15
9	Ng Wei Jie	414	Go	2020-02-18 09:27:34
10	Wojtek Bednarzak	427	Go	2018-04-30 20:26:04

#	User	Length	Language	Date
1	David Wärn	74	Haskell	2015-02-13 12:57:58
2	Tomas Möre	108	Haskell	2019-02-28 21:58:42
3	Henrik Olsen Eide	150	Haskell	2021-07-29 13:19:55
4	Knut Anders Stokke	167	Haskell	2016-10-12 18:09:07
5	Øyvind Haarberg	174	Haskell	2016-10-14 14:21:08
6	Johannes Ljung Ekeroth	177	Haskell	2021-01-10 01:27:06
7	Eskil Andréen	186	Haskell	2015-02-22 12:21:53
8	Jan Hlavacek	193	Haskell	2016-10-28 06:44:31
9	César Antonio Carvajal de la Haza	203	Haskell	2017-03-08 12:38:59
10	Øyvind Almli	206	Haskell	2021-09-14 15:06:39

#	User	Length	Language	Date
1	William Brigham	248	Java	2017-04-18 04:49:48
2	Darrin Wiley	274	Java	2016-01-05 04:53:57
3	Andrew Nguyen	274	Java	2019-01-23 22:53:46
4	Boyuan Xu	276	Java	2019-04-06 00:11:27
5	Hidden user	278	Java	2020-05-09 22:58:17
6	Christian Persson	285	Java	2015-05-16 18:09:46
7	Muntazer Qassim	290	Java	2018-05-05 22:48:41
8	Rodrigo Marcuschi	297	Java	2016-01-07 11:42:18
9	Prins Butt	301	Java	2018-12-29 13:39:58
10	Philip Je	305	Java	2017-12-06 13:47:04

#	User	Length	Language	Date
1	Zeheng Li	286	JavaScript (Node.js)	2023-01-14 00:33:02
2	jcjacky	419	JavaScript (Node.js)	2020-11-01 16:50:14
3	Hidden user	440	JavaScript (Node.js)	2019-06-27 13:20:34
4	Howard Tin Chi Chan	453	JavaScript (Node.js)	2021-02-13 20:53:57
5	José Lucas	458	JavaScript (Node.js)	2019-03-13 19:29:01
6	Chris Wong	498	JavaScript (Node.js)	2021-02-03 01:35:34
7	Caleb Rodriguez	525	JavaScript (Node.js)	2022-03-29 23:03:48
8	Niels De Stickere	528	JavaScript (Node.js)	2020-04-16 18:49:45
9	Khin Nyunt	563	JavaScript (Node.js)	2021-11-21 05:19:01
10	Hovhannes Kantuni	625	JavaScript (Node.js)	2021-03-01 21:37:46

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	52	JavaScript (SpiderMonkey)	2022-11-11 00:27:57
2	Jimmy Gustafsson	52	JavaScript (SpiderMonkey)	2024-06-19 09:56:22
3	Sérgio Crisóstomo	67	JavaScript (SpiderMonkey)	2016-10-07 23:29:20
4	Mark Bouchkevitch	85	JavaScript (SpiderMonkey)	2016-01-21 04:22:59
5	Johannes Jensen	97	JavaScript (SpiderMonkey)	2016-03-17 16:10:04
6	Spencer Smith	117	JavaScript (SpiderMonkey)	2017-06-15 16:37:26
7	Evan Magill	134	JavaScript (SpiderMonkey)	2024-11-23 02:37:53
8	Igor Zinovyev	135	JavaScript (SpiderMonkey)	2015-05-20 11:23:55
9	Nicklas Utgaard	166	JavaScript (SpiderMonkey)	2017-12-25 13:45:44
10	Zach Tschetter	166	JavaScript (SpiderMonkey)	2023-06-08 23:52:33

#	User	Length	Language	Date
1	Danny Robinson	51	Julia	2023-09-02 12:16:25
2	Timothy Gaede	405	Julia	2024-04-02 04:17:58

#	User	Length	Language	Date
1	ANDREY FELIPE PINTO URIBE	189	Kotlin	2024-11-19 13:43:36
2	axl	266	Kotlin	2019-08-05 13:39:03
3	Dmitry Shostak	291	Kotlin	2018-06-20 19:18:52
4	Ahmed Waseem Saeed	320	Kotlin	2022-05-22 01:24:34
5	Dayan Ruben Gonzalez	333	Kotlin	2020-09-28 02:54:21
6	Jahid Hasan Imon	347	Kotlin	2020-05-08 13:39:28
7	Adam Rankin	354	Kotlin	2023-05-02 20:43:43
8	Simon Lixenfeld	393	Kotlin	2021-06-19 10:42:22
9	Jacob Huebner	421	Kotlin	2020-03-17 05:58:24
10	Zaw Myat	457	Kotlin	2024-01-15 13:44:38

#	User	Length	Language	Date
1	Brandon Tang	560	OCaml	2023-07-19 10:11:19
2	Gabriella Gloria	855	OCaml	2025-05-07 18:11:28

#	User	Length	Language	Date
1	Alexander Grotewohl	294	Pascal	2021-03-08 02:15:29
2	Ingemar Ragnemalm	335	Pascal	2018-01-15 20:38:55
3	David Connolly	487	Pascal	2017-08-18 16:58:49

#	User	Length	Language	Date
1	David Lillis	61	Perl	2025-09-17 15:58:23

#	User	Length	Language	Date
1	Jonas Lindenskov Nielsen	113	PHP	2019-09-16 15:21:14
2	Mohammad Mousavi	137	PHP	2016-04-17 12:23:39
3	Ali Pandidan	168	PHP	2016-10-29 07:58:03
4	Steven D. Wilson	242	PHP	2016-03-19 03:40:02
5	Renate	299	PHP	2021-04-29 22:08:50
6	Kevin Dai	421	PHP	2020-10-23 16:10:28
7	Martin Dibakar Björling	520	PHP	2015-11-24 14:23:06
8	Silvena Lam	562	PHP	2016-02-10 10:42:22
9	Andre Wahyudi	828	PHP	2022-12-01 09:51:15
10	Rikard Hjort	1178	PHP	2015-04-05 13:19:47

#	User	Length	Language	Date
1	Hakan Kjellerstrand	451	Prolog	2023-02-08 17:57:08
2	Hadi Qovaizi	1488	Prolog	2016-04-12 15:23:01

#	User	Length	Language	Date
1	Jacob Wejendorp	61	Python 2	2014-12-27 00:15:46
2	Thomas Feld	63	Python 2	2019-08-19 12:51:02
3	Andreas Eisele	77	Python 2	2018-10-04 10:12:33
4	Johan Jensen	98	Python 2	2015-04-27 13:35:20
5	João Pedro Alvito	107	Python 2	2018-03-21 00:24:05
6	Magnús Þór Benediktsson	112	Python 2	2015-05-14 16:17:29
7	Mathis Hammel	112	Python 2	2017-01-24 00:57:49
8	Hidden user	117	Python 2	2015-12-16 14:25:50
9	Hidden user	124	Python 2	2015-02-20 15:24:14
10	Lars Åström	127	Python 2	2019-11-01 09:02:44

#	User	Length	Language	Date
1	Charles Ancheta	54	Python 3	2023-03-16 06:27:15
2	Malo	54	Python 3	2024-07-01 14:37:56
3	AndrescuIII	55	Python 3	2024-03-27 09:28:23
4	Ryan O'Hara	56	Python 3	2020-08-25 18:26:44
5	K Lin	57	Python 3	2023-01-08 04:10:51
6	Lasse Letager Hansen	57	Python 3	2024-07-12 16:40:47
7	Bjørn Dons	58	Python 3	2018-10-02 19:18:47
8	Ryan Pitasky	58	Python 3	2023-09-30 03:35:58
9	Tai Tze Kin	59	Python 3	2024-05-02 18:44:30
10	Rafael Kristoforus Yanto	60	Python 3	2025-03-24 01:34:46

#	User	Length	Language	Date
1	Thomas Feld	32	Ruby	2022-12-22 12:43:55
2	Christian Pilegaard Cederquist	33	Ruby	2022-11-11 00:32:05
3	Clement Oh	35	Ruby	2023-10-19 12:16:04
4	Régis Hanol	37	Ruby	2022-01-07 18:43:14
5	Blake Hyde	45	Ruby	2015-10-04 23:48:51
6	Kellen Watt	52	Ruby	2016-04-17 04:35:11
7	Niraj P	53	Ruby	2017-02-15 16:28:15
8	Lim Ming Yean	61	Ruby	2018-11-16 07:51:09
9	Gerry Hall	86	Ruby	2016-03-25 09:02:01
10	Abolfazl Gol	100	Ruby	2018-07-29 11:44:12

#	User	Length	Language	Date
1	Leonardo Gurgel	308	Rust	2021-07-24 04:01:12
2	Kok Dith	323	Rust	2021-08-02 05:24:16
3	Thomas	344	Rust	2020-12-12 17:46:52
4	Albert Rise Nielsen	351	Rust	2020-10-13 20:04:40
5	Bas Dirks	357	Rust	2021-12-30 19:23:07
6	Emil Dichmann	366	Rust	2025-09-17 08:07:18
7	Joe Blower	370	Rust	2025-06-11 18:16:09
8	Artur Khuziakhmetov	375	Rust	2022-08-04 10:42:09
9	Vincent Lagerros	431	Rust	2025-02-04 18:51:22
10	Lukman	470	Rust	2021-08-20 18:26:15

Solution running time distribution