Problem A
Billiard — Problem Statistics

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Submissions	3450
Accepted submissions	1786
Submission ratio	51.77%
Authors	1695
Accepted authors	1567
Author ratio	92.45%

#	User	Runtime	Language	Date
1	Simon Ståhlberg	0.02 s	C#	2014-05-04 10:30:55
2	masosz	0.02 s	C#	2015-01-21 23:21:50
3	Bas te Kolste	0.02 s	C#	2015-06-15 21:40:26
4	Mads Storm Hansen	0.02 s	C#	2015-07-17 15:17:09
5	Jay Hal	0.02 s	C#	2015-09-16 23:25:23
6	Marek	0.02 s	C#	2015-09-17 22:57:23
7	Андрей Титов	0.02 s	C#	2016-02-10 14:47:21
8	Robert Low	0.02 s	C#	2016-07-15 20:28:44
9	Kunwei Zhang	0.02 s	C#	2018-02-15 05:21:23
10	Andreas Ljungberg	0.02 s	C#	2018-03-25 19:30:27

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Common Lisp	2020-03-14 16:50:22
2	Jinwoo Lee	0.01 s	Common Lisp	2020-09-27 00:16:04

#	User	Runtime	Language	Date
1	Stefan Schmiedl	0.09 s	F#	2024-09-05 17:31:57

#	User	Runtime	Language	Date
1	My Name	0.02 s	Go	2018-10-30 18:06:50
2	Eric Martin	0.02 s	Go	2018-12-30 05:56:45
3	Hidden user	0.02 s	Go	2022-10-04 09:20:45
4	Norbert Voelker	0.08 s	Go	2021-04-18 00:25:32
5	Alexandru Bonini	0.09 s	Go	2018-04-11 16:24:21

#	User	Runtime	Language	Date
1	Jan Hlavacek	0.00 s	Haskell	2016-11-18 03:03:25
2	Matthew Johnson	0.00 s	Haskell	2018-02-17 05:45:25
3	Markus Läll	0.01 s	Haskell	2015-02-11 15:56:56
4	David Wärn	0.01 s	Haskell	2015-04-21 16:40:03
5	Dario Vidas	0.01 s	Haskell	2015-05-14 16:58:17
6	storm	0.01 s	Haskell	2015-07-13 15:28:54
7	Peter Deal	0.01 s	Haskell	2016-05-12 04:47:41
8	John Grzechowiak	0.01 s	Haskell	2017-03-25 20:58:49
9	Antony Lee	0.01 s	Haskell	2017-09-21 00:00:16
10	Brent Yorgey	0.01 s	Haskell	2017-10-12 20:26:17

#	User	Runtime	Language	Date
1	Bjørn Dons	0.05 s	Java	2018-12-13 02:59:38
2	Sven Rönnbäck	0.05 s	Java	2024-04-12 21:29:51
3	Marcus Öman	0.07 s	Java	2009-12-04 12:40:49
4	Frey Naimi-Akbar	0.08 s	Java	2007-12-02 15:25:50
5	Simon Habtemikael	0.08 s	Java	2007-12-04 06:23:25
6	Erik Markland	0.08 s	Java	2007-12-04 17:13:51
7	Fredrik Atmer	0.08 s	Java	2007-12-06 14:48:02
8	Simon Klein	0.08 s	Java	2013-05-01 16:55:48
9	Lucas Taubert	0.08 s	Java	2013-05-07 14:10:37
10	Håkan Warnquist	0.08 s	Java	2013-05-16 08:32:27

#	User	Runtime	Language	Date
1	John	0.08 s	JavaScript (Node.js)	2022-08-19 07:36:43
2	Chris Wong	0.41 s	JavaScript (Node.js)	2021-02-23 23:27:29
3	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-10 19:47:01
4	Rune Mathisen	0.42 s	JavaScript (Node.js)	2020-12-18 13:12:37

#	User	Runtime	Language	Date
1	Anton Klarén	0.01 s	JavaScript (SpiderMonkey)	2014-09-04 21:46:50
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-01-23 01:16:16
3	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-04-03 12:04:47
4	Peter Menyes	0.01 s	JavaScript (SpiderMonkey)	2017-08-28 22:40:41
5	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-28 10:41:11
6	Christian Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-01-11 13:10:58

#	User	Runtime	Language	Date
1	Neil Harmon	0.23 s	Kotlin	2019-04-19 11:26:10
2	Adam Rankin	0.23 s	Kotlin	2023-04-30 19:06:25
3	Alexandre Conte	0.27 s	Kotlin	2021-08-24 15:19:35

#	User	Runtime	Language	Date
1	Aidan Olson	0.00 s	Lua	2024-02-02 21:06:02

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-08-25 08:53:21
2	Magnus Ragnemalm	0.00 s	Pascal	2019-07-29 21:09:09

#	User	Runtime	Language	Date
1	Martin Dibakar Björling	0.01 s	PHP	2015-11-24 13:28:19
2	Ali Pandidan	0.01 s	PHP	2016-10-29 18:31:50

#	User	Runtime	Language	Date
1	Carl Henrik Klåvus	0.03 s	Python 2	2013-05-05 21:53:02
2	Andreas Serra	0.03 s	Python 2	2013-05-08 22:04:09
3	Henrik Adolfsson	0.03 s	Python 2	2014-04-29 14:51:38
4	Daniel Palmqvist	0.03 s	Python 2	2015-01-05 13:59:24
5	Jonas Kylling	0.03 s	Python 2	2015-02-15 13:40:23
6	Hidden user	0.03 s	Python 2	2015-02-20 20:21:41
7	Christofer Ohlsson	0.03 s	Python 2	2015-04-01 11:48:01
8	Tore Norderud	0.03 s	Python 2	2015-04-30 23:08:45
9	Magnús Þór Benediktsson	0.03 s	Python 2	2015-05-14 17:08:24
10	Team Baud	0.03 s	Python 2	2015-08-25 19:54:29

#	User	Runtime	Language	Date
1	Alexandre Loiko	0.02 s	Python 3	2013-04-30 13:38:10
2	Hidden user	0.02 s	Python 3	2014-10-11 19:31:57
3	Erik Månsson	0.02 s	Python 3	2014-12-12 18:05:41
4	Brian Harrington	0.02 s	Python 3	2015-02-22 04:38:40
5	Martin Stensgård	0.02 s	Python 3	2015-03-13 00:46:50
6	Julian Nymark	0.02 s	Python 3	2015-03-13 01:12:15
7	Nils Gustafsson	0.02 s	Python 3	2015-03-25 19:59:17
8	Alex Loiko	0.02 s	Python 3	2015-05-18 23:49:24
9	James Elías Sigurðarson	0.02 s	Python 3	2015-06-11 00:10:43
10	Maruša Štokelj	0.02 s	Python 3	2015-08-27 15:10:48

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-03-12 18:14:17
2	Zohar Malamant	0.03 s	Ruby	2017-10-04 16:32:51
3	Suhas Vishwanath	0.04 s	Ruby	2018-05-05 18:16:54
4	Paul Vinell	0.04 s	Ruby	2018-05-06 12:51:10
5	Hidden user	0.04 s	Ruby	2019-10-09 15:20:36
6	Yusuke Ichiki	0.05 s	Ruby	2022-06-28 10:18:34
7	Thomas Feld	0.06 s	Ruby	2023-05-03 14:38:46

#	User	Length	Language	Date
1	Hiếu Vũ Minh	300	C	2024-04-16 20:19:26
2	Erasmus Cedernaes	336	C	2015-11-25 11:40:59
3	Sambit Palit	350	C	2020-10-16 01:22:21
4	Mohamed Qerras	354	C	2020-11-29 16:27:02
5	Marcus Larsson	358	C	2013-05-03 08:07:05
6	Olle Eriksson	360	C	2016-11-29 00:26:05
7	Hrant Hovhannisyan	367	C	2017-04-16 09:28:48
8	Dan Rubery	404	C	2015-04-11 02:10:13
9	Zac Garby	407	C	2019-10-28 14:58:59
10	PhilCampbell	417	C	2021-01-13 16:06:34

#	User	Length	Language	Date
1	Thomas Norris	614	C#	2019-09-27 19:28:57
2	Robert Low	615	C#	2016-07-15 20:28:44
3	Kunwei Zhang	648	C#	2018-02-15 05:21:23
4	Alireza Nasrollahzadeh	682	C#	2018-06-24 17:06:01
5	Pavel Mardouski	751	C#	2021-01-23 06:26:51
6	Bas te Kolste	1010	C#	2015-06-15 21:40:26
7	Mads Storm Hansen	1113	C#	2015-07-17 15:17:09
8	Marek	1136	C#	2015-09-17 22:57:23
9	masosz	1659	C#	2015-01-21 23:21:50
10	Андрей Титов	2101	C#	2016-02-10 14:47:21

#	User	Length	Language	Date
1	Randall Rinehart	159	C++	2024-02-28 23:17:34
2	Daniel D'Agosta	166	C++	2024-02-28 06:03:14
3	Antonio Molina Lovett	234	C++	2016-08-06 05:29:49
4	Hidden user	251	C++	2018-07-27 04:36:17
5	Johan Wind	259	C++	2014-09-20 13:08:34
6	William Gan	262	C++	2017-08-12 16:12:13
7	Fredrik Lilkaer	266	C++	2013-05-08 23:48:58
8	Joel Au	266	C++	2020-06-06 10:01:17
9	Frederick Pek	272	C++	2021-06-09 12:32:11
10	Yeung Man Tsung	280	C++	2022-12-27 07:09:46

#	User	Length	Language	Date
1	Hidden user	562	Common Lisp	2020-03-14 16:50:22
2	Jinwoo Lee	571	Common Lisp	2020-09-27 00:16:04

#	User	Length	Language	Date
1	Stefan Schmiedl	539	F#	2024-09-05 17:31:57

#	User	Length	Language	Date
1	Alexandru Bonini	500	Go	2018-04-11 16:24:21
2	Eric Martin	898	Go	2018-12-30 05:56:45
3	My Name	1058	Go	2018-10-30 18:06:50
4	Hidden user	1412	Go	2022-10-04 09:20:45
5	Norbert Voelker	1666	Go	2021-04-18 00:25:32

#	User	Length	Language	Date
1	David Wärn	272	Haskell	2015-04-21 16:40:03
2	Peter Deal	347	Haskell	2016-05-12 04:47:41
3	Bjarki Baldursson Harksen	350	Haskell	2021-11-08 23:54:20
4	Håkon Flatval	429	Haskell	2018-08-21 11:14:06
5	Mattias Jansson	432	Haskell	2019-08-29 16:05:29
6	Myint Myat Aung	451	Haskell	2020-07-29 12:59:41
7	storm	479	Haskell	2015-07-13 15:28:54
8	Antony Lee	486	Haskell	2017-09-21 00:00:16
9	Dario Vidas	499	Haskell	2015-05-14 16:58:17
10	Jan Hrček	509	Haskell	2020-11-08 08:29:25

#	User	Length	Language	Date
1	Doug Goodman	453	Java	2017-09-05 20:54:14
2	David Hinschberger	453	Java	2018-05-02 18:36:13
3	Kevin Kauffman	465	Java	2022-01-03 05:17:47
4	AmineF0	480	Java	2020-11-29 15:42:48
5	Prakash Sanyasi	483	Java	2017-04-23 19:28:16
6	Jiru Xu	519	Java	2017-09-16 00:43:16
7	Simon Xue	521	Java	2015-11-08 21:27:37
8	Hidden user	530	Java	2020-06-04 10:47:03
9	Marco Karaan	533	Java	2016-03-12 06:43:58
10	Nay Thit	535	Java	2019-10-12 10:26:35

#	User	Length	Language	Date
1	Chris Wong	682	JavaScript (Node.js)	2021-02-23 23:27:29
2	Andoko Chandra	837	JavaScript (Node.js)	2020-10-10 19:47:01
3	John	955	JavaScript (Node.js)	2022-08-19 07:36:43
4	Rune Mathisen	1342	JavaScript (Node.js)	2020-12-18 13:12:37

#	User	Length	Language	Date
1	Jimmy Gustafsson	158	JavaScript (SpiderMonkey)	2024-08-28 10:41:11
2	Christian Cederquist	226	JavaScript (SpiderMonkey)	2023-01-11 13:10:58
3	Peter Kedemo	315	JavaScript (SpiderMonkey)	2016-04-03 12:04:47
4	Bjørn Chr. Soltvedt	377	JavaScript (SpiderMonkey)	2016-01-23 01:16:16
5	Peter Menyes	387	JavaScript (SpiderMonkey)	2017-08-28 22:40:41
6	Anton Klarén	396	JavaScript (SpiderMonkey)	2014-09-04 21:46:50

#	User	Length	Language	Date
1	Alexandre Conte	562	Kotlin	2021-08-24 15:19:35
2	Adam Rankin	602	Kotlin	2023-04-30 19:06:25
3	Neil Harmon	1084	Kotlin	2019-04-19 11:26:10

#	User	Length	Language	Date
1	Aidan Olson	419	Lua	2024-02-02 21:06:02

#	User	Length	Language	Date
1	Magnus Ragnemalm	378	Pascal	2019-07-29 21:09:09
2	Ingemar Ragnemalm	382	Pascal	2018-08-25 08:53:21

#	User	Length	Language	Date
1	Ali Pandidan	408	PHP	2016-10-29 18:31:50
2	Martin Dibakar Björling	869	PHP	2015-11-24 13:28:19

#	User	Length	Language	Date
1	Thomas Feld	177	Python 2	2023-05-03 14:37:13
2	Asger Hautop Drewsen	233	Python 2	2015-11-03 21:17:16
3	Linus Eklund	238	Python 2	2015-11-26 22:38:08
4	Nathan Villanueva	239	Python 2	2017-05-03 22:08:42
5	Måns Magnusson	248	Python 2	2018-04-12 10:53:02
6	Jesper Öqvist	251	Python 2	2018-10-20 12:45:58
7	udprogrammingteam Team	256	Python 2	2016-09-07 00:33:16
8	Mustafa Serdar Şanlı	266	Python 2	2017-10-15 20:46:50
9	Johan Lyts	269	Python 2	2019-07-05 14:20:14
10	Hidden user	270	Python 2	2015-02-20 20:21:41

#	User	Length	Language	Date
1	Benjamin Z White	134	Python 3	2023-05-20 17:02:31
2	Randall Rinehart	136	Python 3	2024-02-29 00:01:29
3	Simon Baeckelant	151	Python 3	2024-12-02 07:33:26
4	Thibault Raffaillac	152	Python 3	2024-08-05 19:27:31
5	Charles Ancheta	168	Python 3	2023-03-24 08:44:55
6	Farzam Abrishami	193	Python 3	2024-02-06 21:34:22
7	Tai Tze Kin	193	Python 3	2024-05-07 20:36:58
8	Bjørn Dons	213	Python 3	2018-10-26 06:40:07
9	David Allemang	215	Python 3	2018-10-26 02:24:04
10	Mukerem Ali Nur	216	Python 3	2022-08-16 11:14:53

#	User	Length	Language	Date
1	Thomas Feld	118	Ruby	2023-05-03 14:52:28
2	Yusuke Ichiki	214	Ruby	2022-06-28 10:18:34
3	Zohar Malamant	231	Ruby	2017-10-04 16:32:51
4	Hidden user	261	Ruby	2019-10-09 15:20:36
5	Suhas Vishwanath	305	Ruby	2018-05-05 18:16:54
6	Casper Christensen	348	Ruby	2016-03-12 18:14:17
7	Paul Vinell	361	Ruby	2018-05-06 12:51:10

#	User	Length	Language	Date
1	Lukas Polacek	564	Rust	2021-03-07 20:44:45
2	Miroslav Baláž	574	Rust	2021-02-12 12:36:13
3	Jan Bogar	591	Rust	2021-02-12 09:12:26
4	Isaak Coleman	612	Rust	2021-01-22 21:09:25
5	Perešíni Peter	621	Rust	2021-03-11 10:04:25
6	Paolo Estavillo	656	Rust	2023-05-26 17:30:01
7	Tamás Bögi	715	Rust	2021-03-05 14:24:33
8	Michal Kurťák	737	Rust	2021-03-08 15:32:13
9	Bas Dirks	740	Rust	2022-02-16 15:23:31
10	Dominik Csiba	777	Rust	2021-02-11 17:33:05

Solution running time distribution