Problem A
Happy Telephones

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Problem statistics

Submissions	3003
Accepted submissions	1229
Submission ratio	40.93%
Authors	905
Accepted authors	784
Author ratio	86.63%

#	User	Runtime	Date
1	Saito Ta	0.62 s	2024-04-18 10:52:14
2	Chenzhang Hu	0.96 s	2024-04-18 14:12:15

#	User	Runtime	Date
1	Eyleifur Bjarkason	0.02 s	2020-10-27 19:26:50
2	Michael Goodale	0.03 s	2019-03-04 19:11:29
3	Ivan Petrov	0.03 s	2019-05-23 08:43:18
4	Sabit Zahin	0.04 s	2015-10-20 19:45:32
5	Anton Haglund	0.04 s	2016-10-30 00:52:30
6	Dan Anderson	0.04 s	2017-03-07 01:25:20
7	Andrew Roberts	0.04 s	2017-08-25 09:12:53
8	Raymond Yang	0.04 s	2018-06-25 10:40:43
9	Grayce Zhu	0.04 s	2018-10-28 22:10:35
10	Andree Kaba	0.04 s	2018-11-08 01:47:42

#	User	Runtime	Date
1	traxex	0.12 s	2024-05-15 11:53:51
2	Anton Prasolov	0.14 s	2021-03-16 11:41:12
3	Andriy Zyevakov	0.18 s	2015-11-03 11:11:42
4	Jon Vegard Jansen	0.18 s	2021-03-16 09:24:33
5	Henrik Hallbert	0.19 s	2022-03-16 20:59:21
6	Andrzej Krajniak	0.20 s	2019-06-26 19:57:07
7	Gustav Bech Henriksen	0.21 s	2022-06-26 22:47:12
8	Asbjørn Engås	0.22 s	2021-03-13 19:02:35
9	Fredrik Åhs	0.23 s	2020-10-26 15:48:28
10	Hidden user	0.24 s	2022-08-26 05:59:44

#	User	Runtime	Date
1	Donald Dong	0.02 s	2018-01-02 03:31:20
2	Duarte Nóbrega	0.02 s	2019-03-24 01:40:39
3	Erik Odenman	0.03 s	2013-10-22 19:02:16
4	Hidden user	0.03 s	2015-09-11 07:26:52
5	Neal Zane	0.03 s	2015-12-21 02:05:26
6	Ossama Ahmed	0.03 s	2016-11-23 05:35:17
7	Anthony Ho	0.03 s	2017-03-07 07:55:06
8	Anthony Ho	0.03 s	2017-03-07 16:26:20
9	Rehim Memmedli	0.03 s	2017-08-19 07:40:42
10	Jiang Yue	0.03 s	2018-02-02 05:49:28

#	User	Runtime	Date
1	Hidden user	0.07 s	2019-07-24 00:10:23
2	Jinwoo Lee	0.42 s	2020-10-09 07:40:31
3	David Cawthon	0.42 s	2021-01-17 04:35:28

#	User	Runtime	Date
1	Christian Vestergaard	0.07 s	2021-01-04 12:43:02
2	Norbert Voelker	0.08 s	2021-09-25 23:21:48

#	User	Runtime	Date
1	Hidden user	0.13 s	2022-05-06 11:44:17
2	hhgrapes	0.53 s	2024-05-11 13:01:25
3	Lockne	0.59 s	2020-09-07 07:03:31
4	Marco Polo	0.68 s	2022-12-02 20:26:54
5	Matthew Johnson	0.79 s	2024-05-03 17:29:44

#	User	Runtime	Date
1	Jakob Kallestad	0.16 s	2019-05-02 00:25:30
2	Bjørn Dons	0.17 s	2020-07-11 20:55:50
3	Rose Liu	0.20 s	2021-09-24 19:51:52
4	Anais Ponsonnet	0.20 s	2022-04-21 05:35:03
5	Matthew Grenander	0.35 s	2017-03-03 07:49:33
6	Ryan Bass	0.35 s	2018-10-29 03:48:49
7	Andree Kaba	0.35 s	2018-11-08 00:38:46
8	Nick Wu	0.36 s	2016-02-08 09:12:42
9	Micah Stairs	0.37 s	2016-09-08 20:44:57
10	Magnar Myrtveit	0.38 s	2015-05-03 23:21:44

#	User	Runtime	Date
1	Carl Sundvall	0.17 s	2018-10-28 12:30:17

#	User	Runtime	Date
1	Bjørn Chr. Soltvedt	0.13 s	2016-08-09 14:40:29
2	Christian Cederquist	0.19 s	2023-05-26 22:40:07

#	User	Runtime	Date
1	Hidden user	0.50 s	2020-04-08 23:58:48
2	Andrei Salauyeu	0.56 s	2024-02-22 20:13:06
3	Benjamin Laurence Erickson	0.62 s	2023-04-07 18:01:54
4	Troy Warmboe	0.77 s	2023-04-14 23:17:47
5	Adam Rankin	0.78 s	2023-09-15 22:24:47

#	User	Runtime	Date
1	Saito Ta	0.61 s	2024-04-18 10:50:29

#	User	Runtime	Date
1	Susanne Ragnemalm	0.60 s	2024-04-07 11:07:17

#	User	Runtime	Date
1	Maj Stenmark	0.12 s	2019-10-17 18:49:45
2	Elisabeth Sulmont	0.13 s	2017-02-27 22:50:09
3	Njeri Muguthi	0.13 s	2017-03-06 00:46:08
4	Ciara Godwin	0.13 s	2018-04-07 11:36:12
5	Josenildo Silva	0.13 s	2018-07-27 13:44:08
6	Mathieu Rundstrom	0.14 s	2019-03-13 02:24:25
7	Christian Rachmaninoff	0.15 s	2016-11-07 02:27:55
8	Hidden user	0.15 s	2017-03-15 06:48:53
9	Gabe Cemaj	0.15 s	2017-04-12 03:06:19
10	Jesper Öqvist	0.15 s	2018-11-04 14:00:46

#	User	Runtime	Date
1	Ryan Tan	0.15 s	2022-04-05 04:30:53
2	Lionel Kitihoun	0.15 s	2022-12-12 20:59:41
3	Henna K	0.15 s	2024-02-12 23:16:56
4	Gacel Perfinian	0.15 s	2024-05-09 18:15:52
5	Hidden user	0.16 s	2020-07-01 13:30:53
6	Jasper Jian	0.16 s	2021-02-15 20:23:17
7	Hao Lee	0.16 s	2021-02-20 08:17:16
8	Paul Hansen	0.16 s	2021-09-22 16:25:59
9	Henrik Hallbert	0.16 s	2022-01-03 11:23:02
10	Xiu-Heng Hua	0.16 s	2022-04-18 11:32:09

#	User	Runtime	Date
1	Thomas Feld	0.65 s	2023-08-21 10:19:52

#	User	Runtime	Date
1	Carl Svensson	0.02 s	2022-11-08 01:37:01
2	Pahlevi Fikri Auliya	0.03 s	2020-11-17 02:24:03
3	Bas Dirks	0.03 s	2022-05-09 14:32:56
4	None of your buisness	0.03 s	2023-10-26 05:57:44
5	Diego Alejandro Rodrigues Rodriguez	0.03 s	2024-02-14 19:12:03
6	Tim Zig	0.04 s	2024-02-15 20:01:20
7	Rudi Svartveit	0.05 s	2019-04-08 20:51:58
8	Dalton Cole	0.05 s	2021-11-07 01:05:26
9	Adam Gausmann	0.05 s	2022-08-14 23:32:28

#	User	Length	Date
1	Saito Ta	5	2024-04-18 10:52:14
2	Chenzhang Hu	5	2024-04-18 14:12:15

#	User	Length	Date
1	Oliver Ruste Jahren	361	2023-05-22 20:42:03
2	Hu Yijie	449	2022-02-16 13:04:24
3	Raymond Yang	508	2018-06-25 10:40:43
4	Michael Goodale	610	2019-03-04 19:11:29
5	Sambit Palit	668	2020-11-02 02:10:24
6	Andrew Roberts	688	2017-08-25 09:12:53
7	Ivan Petrov	707	2019-05-23 08:43:18
8	Houkai Qian	708	2020-10-24 20:08:53
9	Dan Anderson	859	2017-03-07 01:31:16
10	Sabit Zahin	885	2015-10-20 19:45:32

#	User	Length	Date
1	traxex	733	2024-05-15 11:53:51
2	Fredrik Åhs	1449	2020-10-26 15:48:28
3	Gustav Bech Henriksen	1633	2022-06-26 22:47:12
4	Henrik Hallbert	1834	2022-01-03 11:18:23
5	Jon Vegard Jansen	2089	2021-03-16 09:33:34
6	Anton Prasolov	2318	2021-03-11 08:45:34
7	Asbjørn Engås	2421	2021-03-13 19:02:35
8	Hidden user	2887	2020-11-22 19:06:08
9	Fredrik Edenqvist	3103	2024-05-06 15:55:58
10	Hidden user	3216	2022-08-26 05:59:44

#	User	Length	Date
1	Oliver Ruste Jahren	335	2023-05-22 20:26:05
2	William Gan	406	2017-12-19 09:46:05
3	Anshil Gandhi	420	2019-04-14 00:52:46
4	Johan Wind	435	2018-11-16 17:48:07
5	Elea Kim	463	2019-03-13 03:22:05
6	Gloria Zhang	463	2019-03-13 04:30:25
7	Way Tan	466	2018-12-08 07:31:29
8	Ingrid Feng	472	2019-03-02 09:57:59
9	Hyunjun Lee	477	2022-11-23 11:44:45
10	Emmanuel Anaya	481	2021-04-13 22:21:53

#	User	Length	Date
1	Hidden user	722	2019-07-23 23:51:33
2	Jinwoo Lee	1142	2020-10-09 07:40:31
3	David Cawthon	1182	2021-01-17 04:35:28

#	User	Length	Date
1	Christian Vestergaard	1140	2021-01-04 12:13:01
2	Norbert Voelker	1326	2021-09-25 23:21:48

#	User	Length	Date
1	Matthew Johnson	712	2024-05-03 17:29:44
2	hhgrapes	812	2024-05-11 13:01:25
3	Hidden user	1938	2022-05-06 11:44:17
4	Marco Polo	2038	2022-12-02 21:46:58
5	Lockne	2986	2020-09-07 07:03:31

#	User	Length	Date
1	Doug Goodman	592	2017-12-19 18:00:30
2	Ece Pidik	759	2018-10-27 22:33:06
3	Crystal Yang	778	2022-12-03 03:33:28
4	Brennan Cleland	822	2023-06-29 05:30:43
5	Yi OuYang	856	2018-10-26 15:25:49
6	Thomas Denton	890	2019-10-14 01:01:14
7	Frederick LePage	909	2019-03-07 16:41:28
8	Jonathan Harris	915	2016-11-11 23:23:02
9	Zara Horlacher	971	2020-11-02 02:31:45
10	Tuo Yu	976	2019-03-05 16:59:43

#	User	Length	Date
1	Carl Sundvall	1776	2018-10-28 12:30:17

#	User	Length	Date
1	Bjørn Chr. Soltvedt	486	2016-08-09 14:40:29
2	Christian Cederquist	662	2023-05-26 22:40:07

#	User	Length	Date
1	Adam Rankin	907	2023-09-15 22:24:47
2	Benjamin Laurence Erickson	985	2023-04-07 18:01:54
3	Troy Warmboe	1074	2023-04-14 23:17:47
4	Hidden user	1720	2020-04-08 23:58:48
5	Andrei Salauyeu	1847	2024-02-22 20:13:06

#	User	Length	Date
1	Saito Ta	194	2024-04-18 10:50:29

#	User	Length	Date
1	Susanne Ragnemalm	1281	2024-04-07 11:07:17

#	User	Length	Date
1	Thomas Feld	299	2019-10-01 13:53:47
2	Andreas Björklund	365	2020-10-24 08:11:48
3	Jesper Öqvist	405	2018-11-04 14:00:46
4	Jason Cannon	412	2019-12-16 21:45:40
5	Ragur Krishnan	425	2018-10-09 04:53:17
6	Oskar Haarklou Veileborg	478	2018-10-28 22:31:44
7	Johan Lyts	487	2022-11-17 13:31:00
8	Benjamin Labrecque	516	2019-03-13 03:23:56
9	James Prescott	516	2019-03-13 03:50:36
10	Noah Ó Donnaile	532	2018-04-10 20:42:52

#	User	Length	Date
1	Benjamin Z White	190	2023-05-22 21:05:13
2	Christopher Kopp	212	2023-03-03 02:33:10
3	Tommi Järvenpää	215	2024-04-03 15:35:00
4	Peter Stauder	232	2022-09-26 20:44:52
5	Tai Tze Kin	299	2024-05-04 17:58:42
6	Timothy White	312	2021-10-20 23:28:47
7	Vance Go	332	2022-09-17 06:22:43
8	Roger Bongers	334	2020-08-11 01:57:06
9	Artur Khuziakhmetov	371	2023-06-14 18:10:28
10	Liam Scalzulli	374	2021-11-28 20:36:02

#	User	Length	Date
1	Thomas Feld	114	2023-08-21 10:19:52

#	User	Length	Date
1	Bas Dirks	1351	2022-05-09 14:32:56
2	Dalton Cole	1398	2021-11-07 01:05:26
3	Rudi Svartveit	1569	2019-04-08 20:51:58
4	None of your buisness	1621	2023-10-26 05:57:44
5	Adam Gausmann	2087	2022-08-14 23:32:28
6	Diego Alejandro Rodrigues Rodriguez	2418	2024-02-14 19:12:03
7	Tim Zig	2428	2024-02-15 20:01:20
8	Pahlevi Fikri Auliya	2777	2020-11-17 02:24:03
9	Carl Svensson	3946	2022-11-08 01:37:01

Solution running time distribution