Problem A
Sum Kind of Problem

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Problem statistics

Submissions	14766
Accepted submissions	8015
Submission ratio	54.28%
Authors	6710
Accepted authors	6321
Author ratio	94.20%

#	User	Runtime	Date
1	Anders Høy Seemann Vestergaard	0.03 s	2018-09-20 23:24:25
2	Fredrik Stigsson	0.04 s	2019-05-09 16:38:26
3	Владимир Хилько	0.04 s	2022-05-17 18:06:36
4	Jonathan Walker	0.05 s	2016-12-09 18:56:52
5	Jay Hal	0.05 s	2017-01-01 07:22:00
6	Pontus Eriksson	0.05 s	2017-04-12 14:17:05
7	Hidden user	0.05 s	2017-07-12 17:20:31
8	Ólafur Andri	0.05 s	2018-02-02 22:48:56
9	Kunwei Zhang	0.05 s	2018-02-13 11:42:40
10	Kasper Kristoffersen	0.05 s	2018-06-16 14:24:37

#	User	Runtime	Date
1	David Cawthon	0.08 s	2019-04-12 03:35:05

#	User	Runtime	Date
1	David Vinje	0.18 s	2022-08-15 11:29:46
2	Jacob Harris Cryer Kragh	0.19 s	2022-06-12 08:58:02
3	Simon Echers	0.22 s	2022-01-15 00:26:04
4	Patrick Bahr	0.24 s	2021-02-14 22:23:36

#	User	Runtime	Date
1	Péter Szakszon	0.02 s	2021-12-30 19:11:57
2	Krzysztof Gibuła	0.05 s	2019-03-09 15:44:45
3	pancrates	0.06 s	2019-05-24 16:13:20
4	Norbert Voelker	0.11 s	2021-04-11 22:17:43
5	Lim Ming Yean	0.18 s	2018-11-17 02:03:35
6	Thomas Leah	0.21 s	2019-09-13 02:03:00
7	Hidden user	0.21 s	2021-12-16 16:32:58
8	Emil Lynegaard	0.22 s	2018-11-28 13:43:36
9	Thomas Mailund	0.22 s	2020-11-23 06:24:19
10	Theo Coyne Morgan	0.23 s	2019-03-28 03:33:10

#	User	Runtime	Date
1	César Antonio Carvajal de la Haza	0.02 s	2017-03-17 08:06:53
2	Hidden user	0.02 s	2022-07-18 12:38:22
3	Simen Endsjø	0.03 s	2017-11-11 13:51:35
4	Daniel German	0.03 s	2018-05-27 12:53:23
5	Jacques Schutte	0.03 s	2018-08-21 09:04:36
6	Øyvind Almli	0.03 s	2019-01-22 15:27:43
7	Hidden user	0.03 s	2019-08-14 12:02:09
8	Caleb Surovik	0.03 s	2021-06-25 21:40:10
9	Carl Agrell	0.04 s	2016-11-28 15:54:09
10	Jan Hlavacek	0.04 s	2016-12-08 02:11:05

#	User	Runtime	Date
1	Clement Oh	0.07 s	2022-08-04 11:04:18
2	Lee Heng Sheng	0.08 s	2024-04-21 09:48:04
3	William Fiset	0.09 s	2016-11-10 00:35:47
4	Soo Qi Xuan Ian	0.09 s	2020-10-19 14:07:07
5	Anish Kambhampati	0.10 s	2021-12-28 22:52:14
6	Tiến Nguyễn	0.10 s	2022-01-24 17:00:41
7	TestingFunny	0.11 s	2018-09-01 14:32:57
8	Đức Phạm Hoài	0.11 s	2018-09-01 14:41:08
9	José Vander Meulen	0.11 s	2018-10-07 20:47:50
10	Leon Tham	0.11 s	2019-09-08 05:45:28

#	User	Runtime	Date
1	Gurpartap Singh Bhatti	0.22 s	2019-06-13 06:19:18
2	Hidden user	0.26 s	2023-02-08 05:26:34
3	Hjalmar Schulz	0.43 s	2018-10-10 21:41:44
4	Anh Lâm	0.50 s	2019-01-14 04:34:54
5	Samuel Högfeldt	0.51 s	2022-07-01 16:46:15
6	Eero Otsus	0.53 s	2019-09-06 11:19:09
7	Hidden user	0.55 s	2019-07-10 12:04:59
8	Zhi Jie Cao	0.57 s	2019-09-21 01:50:11
9	Andoko Chandra	0.57 s	2020-10-07 10:51:49
10	Giovani de Souza	0.57 s	2022-03-31 10:08:34

#	User	Runtime	Date
1	Peter Kedemo	0.03 s	2016-10-19 18:55:14
2	Peter Menyes	0.03 s	2017-08-26 14:05:57
3	Nicklas Utgaard	0.03 s	2017-12-31 16:46:35
4	Dilawar Mahmood	0.04 s	2018-01-20 14:45:09
5	Zachary DeStefano	0.04 s	2018-01-30 14:32:07
6	Robin Livesey	0.04 s	2018-04-17 13:08:37
7	Andri Andresson	0.05 s	2018-05-11 13:51:03
8	Jeremy Loh	0.05 s	2019-01-07 08:42:26
9	Andrea Bianchessi	0.05 s	2019-04-16 13:30:18
10	J M	0.06 s	2016-10-28 14:08:07

#	User	Runtime	Date
1	Timothy Gaede	0.60 s	2024-03-21 07:50:02
2	Danny Robinson	0.62 s	2023-06-21 12:54:35

#	User	Runtime	Date
1	Jacob Huebner	0.24 s	2020-02-28 20:12:48
2	Albert Pala	0.27 s	2021-07-03 22:51:01
3	Thanh Le	0.27 s	2021-08-08 16:37:56
4	Zaw Myat	0.36 s	2024-01-16 05:29:16
5	Filip Belik	0.38 s	2019-12-17 04:35:02
6	Adam Rankin	0.40 s	2023-04-22 21:32:35
7	Yang Tang	0.41 s	2023-07-19 09:20:52
8	Dmitry Shostak	0.42 s	2018-08-21 08:36:32
9	Neil Harmon	0.47 s	2019-04-03 15:35:50
10	Colin Gay	0.47 s	2019-05-23 22:58:20

#	User	Runtime	Date
1	Aldrik Kleber	0.02 s	2019-01-01 18:00:28
2	Ivan Miloslavov	0.02 s	2020-05-06 22:19:31

#	User	Runtime	Date
1	Egor Shchetinin	0.01 s	2017-12-21 19:13:00
2	Vova Podkorytov	0.01 s	2017-12-21 19:13:52
3	David Connolly	0.98 s	2021-11-22 17:00:13

#	User	Runtime	Date
1	Steven D. Wilson	0.02 s	2016-11-23 07:29:24
2	Lionel Kitihoun	0.02 s	2017-10-07 03:40:50
3	Anderson Palmeira	0.02 s	2018-05-25 19:58:20
4	Andre Wahyudi	0.02 s	2022-09-26 11:53:35
5	Mihai Leonte	0.03 s	2019-03-26 20:29:13
6	Renate	0.04 s	2021-04-20 19:00:42
7	Petr Trofimov	0.10 s	2021-04-19 12:50:06

#	User	Runtime	Date
1	Hakan Kjellerstrand	0.08 s	2023-02-17 00:06:24
2	Hadi Qovaizi	0.10 s	2016-12-15 08:55:00
3	Andriy Zyevakov	0.12 s	2017-07-28 15:51:34

#	User	Runtime	Date
1	Claudius Sundlöf	0.04 s	2017-09-30 01:21:03
2	Rhys Balevicius	0.04 s	2017-10-24 23:55:58
3	Andrei Stoica	0.04 s	2017-11-08 23:23:27
4	Frímann Kjerúlf	0.04 s	2018-05-11 12:52:33
5	Benjamin Melone	0.04 s	2018-08-29 02:47:05
6	Hasan Kalzi	0.04 s	2021-04-16 14:44:06
7	Allan Lago	0.05 s	2017-05-12 03:51:33
8	Eoin Davey	0.05 s	2018-03-26 17:24:49
9	Mark Kaius Helenurm	0.05 s	2018-09-02 06:19:55
10	Fatima Afzali	0.05 s	2018-09-29 18:06:38

#	User	Runtime	Date
1	Wayne	0.04 s	2016-11-11 10:25:55
2	Philip Ritchey	0.04 s	2017-01-17 01:08:21
3	John Roush	0.04 s	2017-02-27 23:59:39
4	Hidden user	0.04 s	2017-07-19 14:00:08
5	Claudius Sundlöf	0.04 s	2017-09-30 01:22:50
6	Bin Chen	0.04 s	2017-10-13 20:46:03
7	Rhys Balevicius	0.04 s	2017-10-24 23:57:44
8	Ram Basnet	0.04 s	2018-01-19 06:41:12
9	Alec Glascock	0.04 s	2018-03-09 21:32:19
10	Hidden user	0.04 s	2018-03-24 18:26:05

#	User	Runtime	Date
1	Clifford Owino	0.05 s	2017-05-27 06:49:32
2	Hidden user	0.05 s	2017-10-02 12:28:00
3	Kyle Macey	0.06 s	2017-12-02 23:01:13
4	Paul Vinell	0.06 s	2018-04-20 11:15:35
5	Jason Cheong-Kee-You	0.06 s	2018-05-29 05:01:55
6	Macdara mac an tSionnaigh	0.06 s	2019-09-16 03:34:00
7	Nicholas Lantz	0.07 s	2018-07-04 00:33:09
8	Mongkonchai Priyachiwa	0.07 s	2018-10-12 00:32:28
9	Régis Hanol	0.07 s	2022-01-09 16:40:38
10	Hidden user	0.08 s	2018-09-29 00:15:10

#	User	Runtime	Date
1	Christofer Nolander	0.01 s	2018-11-15 18:44:37
2	Vojtěch Pejša	0.01 s	2018-11-18 02:47:35
3	Muhammad Rais Fathin Mudzakir	0.01 s	2021-05-30 11:36:51
4	Jonathan	0.01 s	2021-08-29 06:01:20
5	Artur Khuziakhmetov	0.01 s	2022-07-15 11:04:33
6	Kunwei Zhang	0.01 s	2022-11-21 04:53:10
7	Jon Pacheco	0.02 s	2018-11-03 18:01:50
8	Mongkonchai Priyachiwa	0.02 s	2018-11-05 14:32:06
9	Robert Dumitrescu	0.02 s	2018-12-20 13:31:01
10	Paul Graydon	0.02 s	2019-01-03 19:51:45

#	User	Length	Date
1	Johan Karlsson	139	2018-12-12 11:26:06
2	Dang Tuyet Nhu (K17 CT)	175	2022-10-28 17:32:25
3	Felix Gavelin	180	2018-12-11 11:47:24
4	Hidden user	182	2017-04-05 12:02:57
5	Tran Thanh Duy (K17 CT)	187	2022-10-28 14:14:33
6	Nguyen Vinh Phuc K17 CT	187	2022-12-15 19:55:17
7	Yeswanth Sai Kumar	191	2018-10-04 17:37:15
8	Ajnur Mujanovic	193	2018-10-01 13:05:12
9	Vuong Thanh Phong (K17 CT)	194	2022-10-28 15:50:05
10	Talha Sohail	194	2023-03-05 19:12:11

#	User	Length	Date
1	Esty Crow	347	2022-10-16 06:42:12
2	Calvin James Newn	356	2019-09-21 01:15:50
3	Jay Hal	364	2017-01-01 07:22:00
4	Pontus Eriksson	425	2017-04-12 14:26:04
5	Danioel Stepahn	441	2021-02-26 23:53:57
6	Megha Marhatta	448	2021-03-02 03:44:12
7	Khubaib Farooq	448	2021-03-02 01:00:59
8	Samrat Korupolu	453	2021-03-02 01:44:36
9	Ashok kumar Kolli	470	2021-03-01 19:52:17
10	Gaurav Rokade	482	2021-06-28 02:00:16

#	User	Length	Date
1	Ainun Syamsiyah	182	2018-12-27 04:58:57
2	Liang Yu Lin	183	2022-04-16 19:10:47
3	Hidden user	185	2019-09-03 06:26:59
4	Ivan Zanov	190	2021-04-03 00:58:03
5	Đức Bắc Đinh	191	2019-09-22 07:13:16
6	Kaiyue Li	191	2020-05-29 12:39:09
7	Nguyen Huynh Nhu (K17_CT)	193	2022-07-23 02:05:10
8	Do Tri Co (K17 CT)	194	2022-10-28 14:45:50
9	Ma Trong Nghia (K17_CT)	194	2022-10-28 15:39:08
10	Jacek Ostrowski	195	2017-11-07 14:37:07

#	User	Length	Date
1	David Cawthon	175	2019-04-12 03:35:05

#	User	Length	Date
1	David Vinje	291	2022-08-15 11:29:46
2	Simon Echers	301	2022-01-15 00:26:04
3	Jacob Harris Cryer Kragh	386	2022-06-12 08:58:02
4	Patrick Bahr	1919	2021-02-14 22:23:36

#	User	Length	Date
1	Wojtek Bednarzak	195	2018-05-01 00:04:23
2	Mongkonchai Priyachiwa	208	2018-10-12 00:43:21
3	Talha Sohail	213	2023-02-11 20:54:27
4	Thomas Leah	215	2019-09-13 02:03:00
5	Nyamdavaa Amar	216	2022-04-21 04:10:28
6	Lim Ming Yean	226	2018-11-17 02:03:35
7	Hidden user	235	2021-12-16 16:32:58
8	Mirja Johnsson	238	2017-04-22 21:31:15
9	Thomas Mailund	240	2020-11-23 06:24:19
10	Theo Coyne Morgan	241	2019-03-28 03:33:10

#	User	Length	Date
1	Zach Tschetter	145	2019-04-09 03:05:00
2	Sebastian Banert	194	2023-09-18 02:57:09
3	Sebastian Paaske Tørholm	232	2022-12-26 18:46:11
4	Mongkonchai Priyachiwa	251	2018-10-12 00:39:04
5	Daniel Cabral	253	2022-11-11 11:38:18
6	Matthew Johnson	257	2017-01-26 02:02:01
7	Lars Tveito	266	2017-08-16 00:02:37
8	Lieven Marchand	279	2017-09-15 16:09:03
9	Aaron Lengyel	279	2022-08-21 08:42:44
10	Carl Agrell	297	2016-11-28 15:54:09

#	User	Length	Date
1	Robert Slutsky	307	2017-06-26 22:22:58
2	Khusant Chhetri	311	2017-04-01 05:54:04
3	Daniel Patel	321	2018-10-18 02:16:12
4	Wang Zhi Jian	330	2018-08-08 09:36:27
5	Gökhan Yildirim	331	2017-10-26 15:42:05
6	Ryan Looney	331	2018-09-29 04:56:47
7	Nay Lin Tun	332	2018-08-04 06:07:55
8	Neo Zheng Jie Reo	334	2020-02-14 15:19:41
9	Zhao Keyi	335	2021-02-18 04:17:37
10	daffa fathani adila	341	2021-02-08 10:35:14

#	User	Length	Date
1	Karim Dridi	325	2022-01-15 00:37:13
2	Antoine Bauri	361	2021-02-19 21:57:04
3	Zhi Jie Cao	377	2019-09-21 01:50:11
4	Gurpartap Singh Bhatti	480	2019-06-13 06:28:15
5	Ali	497	2021-12-22 14:01:03
6	Chris Wong	521	2021-02-02 15:26:30
7	Howard Tin Chi Chan	533	2021-02-07 10:14:15
8	Gabriel Ainsworth	588	2019-05-25 12:41:16
9	Kemal Elmizan	599	2020-09-26 19:24:45
10	Giovani de Souza	611	2022-03-31 10:08:34

#	User	Length	Date
1	Christian Cederquist	89	2022-11-08 02:06:55
2	Evan Magill	103	2024-04-19 05:05:15
3	Nguyễn Hùng Cường	189	2018-09-03 13:52:48
4	Zachary DeStefano	198	2018-01-30 14:32:07
5	Johannes Jensen	227	2020-12-04 13:55:45
6	Hidden user	230	2021-01-29 19:30:30
7	Robin Livesey	235	2018-04-17 13:11:55
8	Davíð Helgason	264	2019-06-20 14:48:44
9	Dilawar Mahmood	269	2018-01-20 14:45:09
10	Peter Kedemo	280	2016-10-19 18:55:14

#	User	Length	Date
1	Danny Robinson	178	2023-06-21 12:54:35
2	Timothy Gaede	544	2024-03-21 07:50:02

#	User	Length	Date
1	Yang Tang	176	2023-07-19 09:20:52
2	Zaw Myat	281	2024-01-16 05:29:16
3	axl	293	2019-08-06 15:44:50
4	Dmitry Shostak	324	2018-08-21 08:36:32
5	Einar Kjellback	339	2019-12-14 12:23:15
6	Logan Pipes	341	2023-02-15 00:32:35
7	Arve Skogvold	341	2018-11-12 17:32:19
8	Magnus Wass	358	2020-12-10 18:59:07
9	Alan Pramuk	378	2022-07-26 10:44:18
10	Dayan Ruben Gonzalez	390	2020-09-28 01:31:21

#	User	Length	Date
1	Ivan Miloslavov	592	2020-05-06 22:19:31
2	Aldrik Kleber	1050	2019-01-01 18:12:55

#	User	Length	Date
1	Egor Shchetinin	144	2017-12-21 19:13:00
2	Vova Podkorytov	153	2017-12-21 19:13:52
3	David Connolly	430	2021-11-22 17:00:13

#	User	Length	Date
1	Steven D. Wilson	262	2016-11-23 07:31:32
2	Lionel Kitihoun	290	2017-10-07 03:40:50
3	Petr Trofimov	377	2021-04-19 12:50:06
4	Renate	378	2021-04-20 19:00:42
5	Anderson Palmeira	391	2018-05-25 19:58:20
6	Mihai Leonte	483	2019-03-26 20:29:13
7	Andre Wahyudi	690	2022-09-26 11:53:35

#	User	Length	Date
1	Hakan Kjellerstrand	275	2023-02-17 00:06:24
2	Andriy Zyevakov	283	2017-07-28 15:51:34
3	Hadi Qovaizi	7308	2016-12-15 08:55:00

#	User	Length	Date
1	JanLitwin	81	2024-02-17 11:53:03
2	Thomas Feld	92	2019-08-19 12:41:55
3	Andreas Eisele	108	2018-09-20 14:16:27
4	Jesper Öqvist	110	2018-10-19 22:18:37
5	Sigurður Jens Albertsson	115	2017-12-05 12:29:44
6	Haggai Liu	117	2017-01-05 07:22:18
7	Andrew Yang	118	2017-04-06 23:59:08
8	Victor Barbarosh	123	2016-10-18 20:40:59
9	Mathis Hammel	125	2017-01-24 01:41:46
10	Haochen Chen	130	2016-10-16 19:07:44

#	User	Length	Date
1	Clement Oh	73	2023-06-27 10:21:08
2	Benjamin Z White	75	2023-04-19 22:29:21
3	Ahmed Chamseddine	95	2023-10-06 13:44:25
4	Alcohol Based Non Toxic	100	2019-10-24 15:51:50
5	Tam Keng Hong	100	2023-01-06 10:12:51
6	Ocram Esah	100	2022-01-26 18:12:41
7	Herman Karlsson	101	2016-10-20 17:04:21
8	Wayne	101	2016-11-11 10:21:43
9	Rasmus Hansen	101	2024-04-30 16:25:07
10	Tai Tze Kin	101	2024-05-01 17:01:03

#	User	Length	Date
1	Thomas Feld	58	2023-01-04 16:26:10
2	Patrick Elsen	86	2022-09-11 14:44:56
3	Mongkonchai Priyachiwa	141	2018-10-12 00:32:28
4	Nicholas Lantz	146	2018-07-04 00:33:09
5	Régis Hanol	149	2022-01-09 16:40:38
6	Clifford Owino	156	2017-05-27 06:49:32
7	Hidden user	158	2017-10-02 12:28:00
8	Eugen Neagoe	164	2023-04-08 04:42:28
9	Paul Vinell	171	2018-04-20 11:15:35
10	Jason Cheong-Kee-You	190	2018-05-29 05:01:55

#	User	Length	Date
1	Mongkonchai Priyachiwa	501	2018-11-05 14:32:06
2	Metin Gülseven	519	2022-09-25 21:44:36
3	Bas Dirks	527	2021-12-30 10:36:44
4	Artur Khuziakhmetov	534	2022-07-15 11:04:33
5	Kok Dith	547	2021-08-05 09:00:05
6	Chaoyi Yin	564	2019-03-29 18:30:31
7	Paul Graydon	612	2019-01-03 19:51:45
8	Mileta Mitrovic	652	2022-01-16 16:16:32
9	David Zacek	654	2021-05-21 03:17:32
10	Albert Rise Nielsen	703	2020-11-10 00:49:35

Solution running time distribution