Problem A
Ladder

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Problem statistics

Submissions	20278
Accepted submissions	11253
Submission ratio	55.49%
Authors	10703
Accepted authors	10231
Author ratio	95.59%

#	User	Runtime	Date
1	Johan Clarström	0.01 s	2023-03-12 01:54:39
2	Thomas Feld	0.01 s	2023-03-13 13:26:53
3	JackTheEgg	0.01 s	2023-07-10 16:09:16

#	User	Runtime	Date
1	Danny Robinson	0.01 s	2023-09-12 05:27:26
2	Thomas Feld	0.01 s	2023-09-27 13:38:02
3	Chenzhang Hu	0.01 s	2023-10-04 08:54:40

#	User	Runtime	Date
1	Franz Spitaler	0.01 s	2017-11-23 14:10:49
2	Jon Wong	0.02 s	2014-10-03 05:01:58
3	Marcin Nowak	0.02 s	2014-10-05 08:30:15
4	Ayk Stepanyan	0.02 s	2014-10-18 13:14:26
5	masosz	0.02 s	2015-01-21 18:44:49
6	Tommy Ivarsson	0.02 s	2015-04-13 22:53:52
7	Besher Alhalabi	0.02 s	2015-04-30 13:51:12
8	Bas te Kolste	0.02 s	2015-06-17 12:56:09
9	Charlie Forsberg Hedberg	0.02 s	2015-07-07 07:54:59
10	Mads Storm Hansen	0.02 s	2015-07-12 18:17:34

#	User	Runtime	Date
1	Dmytro Bihniak	0.01 s	2019-10-22 14:25:35
2	John Dandy	0.01 s	2020-02-01 02:09:26
3	wibi	0.01 s	2020-08-15 09:46:04
4	Max Nyberg Carlsson	0.01 s	2020-08-19 15:09:38
5	Zarthur	0.01 s	2021-04-08 19:37:20
6	Ralf Jonas	0.01 s	2023-09-08 10:29:03
7	Hidden user	0.02 s	2019-01-03 08:49:51
8	David Cawthon	0.02 s	2019-04-12 04:02:52

#	User	Runtime	Date
1	CharsKun	0.01 s	2023-05-29 11:48:41
2	Bobby Jonathan	0.01 s	2023-07-26 16:32:19

#	User	Runtime	Date
1	Emil Jessen	0.02 s	2020-09-22 20:31:08
2	Jacob Harris Cryer Kragh	0.04 s	2022-05-26 19:06:17
3	Jacob To	0.08 s	2023-11-14 23:38:30

#	User	Runtime	Date
1	Drew Wilson	0.00 s	2023-07-19 07:58:13
2	Diego Saldias	0.00 s	2023-10-31 21:58:39
3	suka isnaini	0.00 s	2023-12-17 09:03:56
4	Yousif Ibrahim	0.00 s	2024-02-08 19:08:24
5	Noah Jomha	0.00 s	2024-02-14 20:47:55
6	Jake Kay	0.00 s	2024-02-14 20:48:48
7	Bashayer Hijji	0.02 s	2019-01-17 12:57:49
8	Bruno Volpato	0.02 s	2020-06-20 07:01:53
9	Joachim	0.02 s	2020-06-30 12:12:50
10	Rickard Bemm	0.02 s	2022-09-21 22:35:07

#	User	Runtime	Date
1	Jens Ståhl	0.05 s	2011-10-02 17:17:08
2	Simon Klein	0.05 s	2011-10-20 17:04:32
3	Anders Hagward	0.05 s	2011-11-08 13:27:17
4	Linus Hansson	0.05 s	2013-04-10 09:02:43
5	Carl Henrik Klåvus	0.05 s	2013-04-10 20:54:24
6	Martin Berntsson	0.05 s	2013-04-11 11:08:08
7	Erik Odenman	0.05 s	2013-04-13 15:01:00
8	Andreas Brytting	0.05 s	2013-04-16 13:58:50
9	Axel Lewenhaupt	0.05 s	2013-04-16 14:49:22
10	Lucas Taubert	0.05 s	2013-04-17 12:26:51

#	User	Runtime	Date
1	Pastor	0.04 s	2024-03-17 16:03:36
2	Dalton Neely	0.05 s	2018-07-08 11:25:02
3	Anh Lâm	0.05 s	2018-09-25 09:13:37
4	Carl Sundvall	0.05 s	2018-10-26 13:37:50
5	Chyld Medford	0.05 s	2018-11-22 10:54:15
6	Qom Javadolaemeh	0.05 s	2019-01-04 22:42:22
7	Mr Mahmmodi	0.05 s	2019-01-10 14:46:34
8	Jerry Hu	0.05 s	2019-01-24 15:49:35
9	Tomáš Necky Necuda	0.05 s	2019-02-11 12:02:48
10	José Lucas	0.05 s	2019-03-01 13:50:01

#	User	Runtime	Date
1	Piotr Karpala	0.01 s	2015-07-25 23:51:09
2	Markus N	0.01 s	2015-11-10 16:44:52
3	Peter Kedemo	0.01 s	2015-12-18 00:38:31
4	Hidden user	0.01 s	2015-12-28 20:27:32
5	Bjørn Chr. Soltvedt	0.01 s	2016-01-11 22:12:43
6	Mark Bouchkevitch	0.01 s	2016-01-21 02:47:35
7	Drayon	0.01 s	2016-02-11 15:48:04
8	Hidden user	0.01 s	2016-03-02 11:19:52
9	Gabriel Lau	0.01 s	2016-03-29 00:26:35
10	Bikash Subba	0.01 s	2016-03-29 08:57:27

#	User	Runtime	Date
1	Timothy Gaede	0.51 s	2024-04-01 05:19:26
2	Danny Robinson	0.55 s	2023-06-21 04:40:41

#	User	Runtime	Date
1	Dayan Ruben Gonzalez	0.14 s	2020-09-27 22:13:20
2	Jacob Huebner	0.16 s	2020-03-16 21:58:09
3	Matthew Swanson	0.17 s	2022-09-21 03:29:55
4	Đậu Huy Minh	0.17 s	2022-10-09 07:40:56
5	Jaedon Kee Shaowei	0.18 s	2019-07-10 13:30:52
6	Jörgen Andersson	0.18 s	2020-06-17 21:58:58
7	Merih Bora Poçan	0.18 s	2020-07-09 23:52:46
8	James WIlliams	0.18 s	2020-09-24 04:06:43
9	Alan Pramuk	0.18 s	2022-07-26 10:48:17
10	Eric Huynh	0.19 s	2019-02-04 04:48:18

#	User	Runtime	Date
1	Shehab Ahmed Hatem (CoreTiQ.com)	0.00 s	2023-11-14 15:20:02

#	User	Runtime	Date
1	Angel Mier	0.00 s	2014-11-09 16:19:03
2	Angela Li	0.00 s	2017-08-03 20:19:44

#	User	Runtime	Date
1	David Connolly	0.00 s	2017-08-17 17:07:26
2	Vova Podkorytov	0.00 s	2018-02-10 20:23:46
3	Egor Shchetinin	0.00 s	2018-02-10 20:24:47
4	Oleg Smelov	0.00 s	2019-02-24 17:33:16
5	林達炘4D20 Lam Tat Yan	0.00 s	2020-02-11 09:48:10
6	5B09 Fan Yujian 5B09 范宇鍵	0.00 s	2020-02-12 17:45:20
7	Hidden user	0.00 s	2020-02-13 09:09:04

#	User	Runtime	Date
1	Saito Ta	0.01 s	2024-03-29 07:45:05

#	User	Runtime	Date
1	Martin Dibakar Björling	0.01 s	2015-11-24 14:32:03
2	Niklas Holmström	0.01 s	2015-12-04 01:59:54
3	Silvena Lam	0.01 s	2016-02-10 17:53:04
4	Peter Kenderov	0.01 s	2016-03-14 09:59:14
5	Steven D. Wilson	0.01 s	2016-03-25 16:55:02
6	Bikash Subba	0.01 s	2016-03-29 09:36:06
7	Vincent Nel	0.01 s	2016-05-31 21:31:28
8	Nicolas Marsceau	0.01 s	2016-09-02 18:25:41
9	Ali Pandidan	0.01 s	2016-10-29 17:52:13
10	ce be	0.01 s	2017-03-26 21:37:52

#	User	Runtime	Date
1	Hadi Qovaizi	0.01 s	2016-04-14 05:52:36
2	Adriaan de Vries	0.01 s	2017-08-22 15:52:16
3	Fredrik Peteri Harr	0.01 s	2019-02-20 19:29:41
4	Emilia Harr	0.01 s	2019-02-20 19:31:00
5	Daniel Krueger	0.02 s	2020-09-11 13:16:20
6	Hakan Kjellerstrand	0.02 s	2023-02-23 16:49:11

#	User	Runtime	Date
1	Alexandre Loiko	0.02 s	2013-04-11 22:46:48
2	Andreas Serra	0.02 s	2014-04-02 17:44:07
3	Hidden user	0.02 s	2014-09-17 22:34:09
4	Joakim Uddholm	0.02 s	2014-09-18 20:23:43
5	John Rikard Mienna	0.02 s	2014-12-18 01:02:23
6	Tore Norderud	0.02 s	2014-12-21 22:50:54
7	Daniel Palmqvist	0.02 s	2014-12-24 17:29:18
8	Paulo Bu	0.02 s	2015-01-22 21:41:21
9	Kristmundur Agust	0.02 s	2015-02-26 19:25:19
10	Hidden user	0.02 s	2015-02-28 19:01:34

#	User	Runtime	Date
1	Davor Sluga	0.02 s	2013-08-29 22:20:50
2	Brian Harrington	0.02 s	2014-09-13 19:48:42
3	Mattis Kancans Envall	0.02 s	2014-09-17 20:56:37
4	Kalindu De Costa	0.02 s	2014-09-18 04:45:18
5	Mikael Florén	0.02 s	2014-09-18 13:59:19
6	Hidden user	0.02 s	2014-10-08 09:53:56
7	Erik Månsson	0.02 s	2014-12-12 18:11:47
8	Robert Welin-Berger	0.02 s	2014-12-26 08:27:04
9	Anja Rožič	0.02 s	2015-02-08 23:01:11
10	Hlynur “Glitch” Óskar Guðmundsson	0.02 s	2015-02-26 14:35:54

#	User	Runtime	Date
1	Marcus Östling	0.03 s	2015-10-10 18:02:31
2	Gerry Hall	0.03 s	2016-03-25 16:23:29
3	Lasse Berglund	0.03 s	2016-03-29 09:52:43
4	Naoki Mizuno	0.03 s	2016-04-13 18:43:09
5	Erik Rydbert	0.03 s	2016-07-04 14:26:32
6	Caetano Vieira Neto Segundo	0.03 s	2016-10-02 15:19:04
7	Kevin Suwala	0.03 s	2017-01-08 21:05:05
8	Muzakhir Amanzholov	0.03 s	2017-01-24 19:11:10
9	Niraj P	0.03 s	2017-02-14 16:27:21
10	Sonam Tenzin	0.03 s	2017-07-10 08:31:46

#	User	Runtime	Date
1	Jhony Andreas	0.04 s	2023-07-08 19:42:15
2	Min khant Kyaw	0.04 s	2024-02-29 10:26:11
3	Khin si sar Hlaing	0.04 s	2024-02-29 10:27:09

#	User	Length	Date
1	Thomas Feld	35	2023-03-13 13:26:53
2	Johan Clarström	38	2023-03-12 01:54:39
3	JackTheEgg	56	2023-07-10 16:09:16

#	User	Length	Date
1	Chenzhang Hu	5	2024-02-03 11:41:25
2	Thomas Feld	13	2023-09-27 13:38:35
3	Danny Robinson	42	2023-09-12 05:35:29

#	User	Length	Date
1	Benjamin Iserman	66	2023-03-22 19:36:39
2	Julia Scheaffer	67	2023-03-26 08:13:07
3	Sawyer Frie	69	2023-03-22 20:04:09
4	Noah Weninger	70	2019-02-26 19:20:27
5	Jarrod Pas	76	2019-03-03 00:00:33
6	Eduardo Núñez	95	2024-03-17 21:01:08
7	Gabriel Lavier	131	2024-01-07 01:10:07
8	Gaelin Shupe	134	2023-04-04 19:11:07
9	Hidden user	142	2018-03-09 14:38:41
10	Omar Morami	142	2019-10-22 21:33:10

#	User	Length	Date
1	Max Enros	240	2017-02-03 14:03:28
2	Steve Jia	260	2018-08-16 21:01:33
3	Robert Low	263	2016-07-12 20:57:26
4	Esty Crow	273	2022-10-17 17:31:59
5	Marek Bina	277	2019-02-18 16:18:14
6	Jens Ronnqvist	278	2017-07-01 23:17:05
7	Peter Nordh	281	2018-05-29 18:58:57
8	Benjamin Bilbeau	284	2017-02-09 03:06:09
9	Hidden user	288	2016-10-11 23:29:33
10	Hidden user	293	2017-03-21 16:02:04

#	User	Length	Date
1	Ngọc Minh Nguyễn	110	2018-12-11 04:17:04
2	Clinton Connelly	117	2023-11-21 19:58:58
3	Alex Renfors	125	2019-05-16 21:25:10
4	Isaac Lai Yin Chung	128	2024-01-21 06:39:47
5	Tobias Lehnert	130	2018-10-24 11:07:20
6	Hưng Phạm	130	2018-12-11 09:50:55
7	Ægir Örn Kristjánsson	132	2019-02-25 11:28:32
8	Ritchie Goldwin	135	2019-05-23 03:04:09
9	Abeem	135	2024-02-11 14:47:06
10	Alvin Li	136	2020-03-18 02:34:40

#	User	Length	Date
1	Max Nyberg Carlsson	65	2020-08-19 15:09:38
2	John Dandy	66	2020-02-01 02:09:26
3	Hidden user	96	2019-01-03 08:49:51
4	David Cawthon	118	2019-04-12 04:02:52
5	wibi	124	2020-08-15 09:46:04
6	Dmytro Bihniak	125	2019-10-22 14:25:35
7	Zarthur	133	2021-04-08 19:37:20
8	Ralf Jonas	139	2023-09-08 10:29:03

#	User	Length	Date
1	Bobby Jonathan	228	2023-07-26 16:32:19
2	CharsKun	243	2023-05-29 11:48:41

#	User	Length	Date
1	Jacob Harris Cryer Kragh	223	2022-05-26 19:06:17
2	Jacob To	313	2023-11-14 23:38:30
3	Emil Jessen	362	2020-09-22 20:31:08

#	User	Length	Date
1	Rickard Bemm	136	2022-09-21 22:37:54
2	Johan Stjernberg	147	2013-04-11 21:22:51
3	Neal McCarthy	148	2018-04-21 23:20:20
4	Ofani Dariyan	158	2020-08-29 13:27:38
5	Kellen Watt	159	2015-09-29 05:08:52
6	Kellen Watt	159	2016-02-26 23:10:09
7	Adamos Ttofari	160	2019-09-12 11:55:15
8	Bruno Volpato	166	2020-06-20 07:01:53
9	Thomas Mailund	167	2020-11-19 14:31:29
10	dick move	167	2021-05-01 21:49:32

#	User	Length	Date
1	Rudy Matela	66	2024-03-26 09:14:01
2	Ragnhild Aalvik	91	2017-11-05 00:33:52
3	Niklas Rosén	93	2014-04-08 15:29:23
4	Fran Cruz Zamorano	105	2017-08-04 13:13:56
5	Tim Put	105	2021-04-11 03:37:04
6	Agus Sentosa Hermawan	110	2020-01-11 16:50:29
7	Miguel Müller	112	2017-11-30 11:50:21
8	Mattias Harrysson	115	2015-08-26 13:45:59
9	Peter Deal	119	2016-05-01 01:55:17
10	Jacob Fjeld Grevstad	120	2018-08-02 17:51:07

#	User	Length	Date
1	Lim Ting Kai	219	2023-06-02 15:02:13
2	Derek Goings	226	2019-10-15 22:39:40
3	Thomas Meeks	228	2021-03-07 01:18:32
4	Dylan Adams	231	2020-11-05 20:16:33
5	Kyle Kenmotsu	232	2019-09-10 20:20:08
6	Pontus Lidholm	234	2017-06-02 09:46:42
7	Eric Pinter	234	2019-12-07 19:34:15
8	Bradey Loder	237	2020-11-03 18:41:17
9	Ryanna Power	238	2019-10-17 21:48:41
10	C. W	240	2021-03-23 05:47:14

#	User	Length	Date
1	Karim Dridi	179	2022-01-13 23:59:03
2	Pastor	213	2024-03-17 16:03:36
3	BRYAN DAVID ALVAREZ GALVIS	263	2023-09-16 17:07:44
4	Manuel Spigolon	264	2020-09-03 21:29:15
5	Mitchell Sawatzky	282	2019-05-06 00:44:06
6	Dalton Neely	293	2018-07-08 11:25:02
7	Andi Baso Annas	297	2020-06-17 12:21:55
8	Chris Wong	303	2021-02-01 14:39:34
9	Antoine Bauri	311	2021-02-17 21:29:21
10	Emil Larsson	315	2019-09-22 14:28:34

#	User	Length	Date
1	Christian Cederquist	60	2022-11-05 00:35:53
2	Dan Wolff	74	2019-10-02 00:39:49
3	Evan Magill	79	2024-04-08 06:24:00
4	Bjørn Chr. Soltvedt	92	2016-01-11 22:12:43
5	Pedro Santos Mendonça	94	2016-10-07 04:56:02
6	Jimmy Gustafsson	94	2022-08-16 09:54:31
7	Simon Titkó	99	2023-11-23 20:08:05
8	Mohammad Saif Khan	101	2016-11-01 16:57:15
9	Fryer	106	2020-12-04 15:25:00
10	J M	108	2016-10-06 19:25:26

#	User	Length	Date
1	Danny Robinson	63	2023-06-21 04:40:41
2	Timothy Gaede	140	2024-04-01 05:19:26

#	User	Length	Date
1	Albert Pala	160	2021-05-21 11:32:17
2	Fredrik Niemelä	162	2017-09-28 22:45:54
3	axl	174	2019-08-02 14:23:04
4	Anders B. Clausen	189	2020-10-27 22:17:16
5	Yang Tang	196	2023-06-20 05:59:59
6	Hawk Wietlol	199	2019-03-21 18:58:36
7	Đậu Huy Minh	201	2022-10-09 07:40:56
8	Dmitry Shostak	210	2018-06-13 14:10:34
9	Dayan Ruben Gonzalez	211	2020-09-27 22:13:20
10	Alexandre Conte	214	2021-08-22 14:19:35

#	User	Length	Date
1	Shehab Ahmed Hatem (CoreTiQ.com)	77	2023-11-14 15:20:02

#	User	Length	Date
1	Angel Mier	1630	2014-11-09 18:40:19
2	Angela Li	3521	2017-08-03 20:19:44

#	User	Length	Date
1	林達炘4D20 Lam Tat Yan	88	2020-02-11 09:48:10
2	Hidden user	103	2020-02-13 09:09:04
3	Oleg Smelov	117	2019-02-24 17:33:16
4	5B09 Fan Yujian 5B09 范宇鍵	120	2020-02-12 17:45:20
5	Egor Shchetinin	229	2018-02-10 20:24:47
6	Vova Podkorytov	254	2018-02-10 20:23:46
7	David Connolly	638	2017-08-17 17:07:26

#	User	Length	Date
1	Saito Ta	48	2024-03-29 07:45:05

#	User	Length	Date
1	Victor Santos	75	2024-04-16 05:21:35
2	LordWeedlle	86	2019-02-26 22:51:39
3	Peter Kenderov	90	2016-03-14 09:59:14
4	Ali Pandidan	90	2016-10-29 17:52:13
5	Renate	107	2021-04-08 02:56:59
6	Steven D. Wilson	108	2016-03-25 16:55:02
7	Silvena Lam	110	2016-02-10 17:53:04
8	Jonas Lindenskov Nielsen	115	2019-09-14 14:20:35
9	Petr Trofimov	119	2019-06-21 07:25:00
10	Tom Muylle	125	2019-03-27 22:22:40

#	User	Length	Date
1	Hakan Kjellerstrand	60	2023-03-17 09:04:24
2	Daniel Krueger	334	2020-09-11 13:16:20
3	Adriaan de Vries	1239	2017-08-22 15:52:16
4	Emilia Harr	1272	2019-02-20 19:31:00
5	Fredrik Peteri Harr	1290	2019-02-20 19:29:41
6	Hadi Qovaizi	1825	2016-04-14 05:52:36

#	User	Length	Date
1	JanLitwin	82	2023-10-27 16:44:48
2	Johan Wind	91	2016-08-01 14:59:17
3	Hidden user	92	2016-07-25 04:28:46
4	Thomas Feld	93	2019-08-19 09:12:48
5	Arjit Srivastava	95	2015-12-25 18:40:11
6	Godmar Back	96	2019-01-02 02:32:50
7	Kuenzang Choden	96	2019-05-07 19:07:25
8	Cole Bite	99	2017-02-04 02:39:07
9	Jesper Öqvist	99	2018-10-18 17:55:25
10	Simon Vestin	99	2019-01-28 09:20:16

#	User	Length	Date
1	Clement Oh	75	2023-05-11 19:41:35
2	Kevin Gomez	75	2024-03-22 20:57:50
3	Felix Köhler	76	2022-10-28 08:05:53
4	Hakan Kjellerstrand	76	2023-03-17 09:09:15
5	Tam Keng Hong	78	2023-01-06 09:21:38
6	Prateek Bhakta	80	2019-10-04 16:56:01
7	benoit belasco	80	2023-07-23 21:01:01
8	小黑熊貓	80	2023-11-07 09:01:34
9	Udit Sanghi	80	2022-04-14 11:47:09
10	Erik Ulff	80	2024-03-20 15:19:15

#	User	Length	Date
1	Thomas Feld	49	2023-09-27 13:26:10
2	Christian Cederquist	54	2022-11-05 00:50:12
3	Hakan Kjellerstrand	60	2023-03-17 09:30:53
4	Alexander Bilde Pedersen	68	2023-04-11 09:36:51
5	Régis Hanol	69	2022-01-05 18:12:33
6	Clement Oh	74	2023-10-28 12:21:16
7	Mongkonchai Priyachiwa	79	2018-09-24 01:59:20
8	Niraj P	80	2017-02-14 16:27:21
9	Eugen Neagoe	89	2023-04-25 23:25:40
10	Frederik Petersen	95	2024-04-02 15:05:49

#	User	Length	Date
1	David Aldenbro	174	2023-10-22 13:02:19
2	Hidden user	300	2020-01-09 04:04:58
3	Joost Scheffer	300	2021-04-19 10:19:30
4	Hovig Manjikian	306	2020-01-04 12:33:18
5	Andriy Semenistiy	331	2021-02-05 21:35:38
6	Johan Larsson	342	2021-01-01 19:10:06
7	Andreas Berg	345	2021-01-12 16:58:37
8	Mongkonchai Priyachiwa	349	2018-11-05 23:19:25
9	Robert Dumitrescu	350	2018-12-13 23:02:40
10	Florent Haratyk	359	2019-04-28 03:40:26

#	User	Length	Date
1	Min khant Kyaw	310	2024-02-29 10:26:11
2	Khin si sar Hlaing	335	2024-02-29 10:27:09
3	Jhony Andreas	624	2023-07-08 19:42:15

Solution running time distribution