Problem A
Social Advertising — Problem Statistics

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Submissions	2040
Accepted submissions	670
Submission ratio	32.84%
Authors	395
Full solves [?]	339
Full solve Ratio	85.82%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.01 s	C	2020-02-20 18:18:25
2	Ivan Petrov	0.11 s	C	2019-08-06 09:00:27
3	Hidden user	0.51 s	C	2020-08-14 17:03:27
4	Hidden user	0.64 s	C	2025-02-22 21:46:28

#	User	Runtime	Language	Date
1	Kenneth Langedal	0.00 s	C++	2021-09-10 23:30:21
2	Magnus Hokland Hegdahl	0.00 s	C++	2022-03-21 23:21:51
3	Francisco Bruno Dias Ribeiro da Silva	0.00 s	C++	2022-12-04 03:36:01
4	Benjamin Ye	0.00 s	C++	2023-03-04 06:44:36
5	Edvin Lundberg	0.01 s	C++	2016-11-15 19:38:43
6	Arnav Sastry	0.01 s	C++	2017-01-14 18:31:08
7	Steven Halim	0.01 s	C++	2017-07-22 18:21:55
8	Hidden user	0.01 s	C++	2017-08-21 06:49:27
9	Jiang Yue	0.01 s	C++	2018-08-15 07:38:27
10	Govind Venugopalan	0.01 s	C++	2018-08-15 08:48:48

#	User	Runtime	Language	Date
1	Erlend Fonnes	0.09 s	Go	2021-04-04 15:34:56

#	User	Runtime	Language	Date
1	Taras Romanyuk	0.06 s	Java	2025-01-06 16:54:40
2	Alvin Yan	0.10 s	Java	2019-08-28 07:23:38
3	Hans Trygve Rørlien	0.10 s	Java	2022-04-07 20:49:36
4	Brent Yorgey	0.12 s	Java	2020-11-11 00:46:39
5	Andrew Polizzotto	0.15 s	Java	2020-10-06 03:42:21
6	Gard Askeland	0.15 s	Java	2021-03-24 10:01:17
7	Kristoffer Aesoey	0.20 s	Java	2021-04-07 18:25:53
8	Erik Hystad	0.20 s	Java	2021-04-14 13:20:53
9	Magnus Tønnessen	0.25 s	Java	2021-04-14 12:47:50
10	Bjørn Dons	0.27 s	Java	2020-09-24 22:35:15

#	User	Runtime	Language	Date
1	Christian Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-08-11 00:46:53
2	Bjørn Chr. Soltvedt	0.32 s	JavaScript (SpiderMonkey)	2024-02-08 14:57:46

#	User	Runtime	Language	Date
1	Noszály Csaba	0.50 s	Julia	2025-04-21 15:00:28

#	User	Runtime	Language	Date
1	Jacob Huebner	0.39 s	Kotlin	2021-04-29 22:01:29
2	Benjamin Ye	0.40 s	Kotlin	2023-03-01 21:56:04
3	Liow Jia Chen	0.65 s	Kotlin	2020-08-17 07:39:18

#	User	Runtime	Language	Date
1	Marie Natland Berg	0.33 s	Python 2	2021-03-26 14:36:17
2	Lars Åström	0.46 s	Python 2	2019-10-23 18:46:06
3	Hidden user	0.59 s	Python 2	2016-11-15 20:02:19
4	Kristmundur Agust	0.68 s	Python 2	2019-05-26 21:41:05
5	Justin Su	0.92 s	Python 2	2019-09-28 03:41:40
6	Robert Welin-Berger	0.97 s	Python 2	2016-11-15 19:01:44

#	User	Runtime	Language	Date
1	Karina Elinborg Jonasdottir Strømmen	0.06 s	Python 3	2021-04-05 23:38:02
2	Mateo Wang	0.06 s	Python 3	2023-03-04 03:26:44
3	Hidden user	0.13 s	Python 3	2021-04-09 13:19:55
4	Hidden user	0.13 s	Python 3	2022-03-27 19:05:40
5	Pål Grønås Drange	0.17 s	Python 3	2021-03-23 10:11:52
6	Guo Yichao	0.17 s	Python 3	2022-08-25 07:53:52
7	Ryan Tan	0.17 s	Python 3	2023-09-02 13:06:49
8	Adrian A. Solheim	0.18 s	Python 3	2021-04-22 18:00:44
9	Sofia Hestenes Eika	0.18 s	Python 3	2021-06-13 15:36:11
10	Guan Yang Ze	0.18 s	Python 3	2021-08-26 06:32:47

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-07-30 22:35:19
2	Jianghua Wang	0.01 s	Rust	2023-03-05 01:52:15
3	Yoeri Otten	0.11 s	Rust	2022-03-24 00:43:02
4	Ryan Chau	0.38 s	Rust	2023-03-06 02:26:18
5	Justin Nguyen Vo	0.44 s	Rust	2023-03-06 08:46:01
6	Adam Guangwei Yu	0.51 s	Rust	2023-03-04 02:19:16
7	Rowan Tran	0.80 s	Rust	2023-03-10 09:10:26

#	User	Length	Language	Date
1	Ivan Petrov	1123	C	2019-08-06 09:00:27
2	Hidden user	1273	C	2020-08-14 17:03:27
3	Hidden user	1335	C	2025-02-22 21:46:28
4	Bergur Snorrason	1984	C	2020-02-20 17:40:24

#	User	Length	Language	Date
1	Zackary Glazewski	401	C++	2023-03-11 08:31:08
2	Ragur Krishnan	518	C++	2018-11-01 17:43:40
3	Herman Karlsson	548	C++	2016-11-15 23:51:46
4	Chenghao Wang	588	C++	2023-02-20 04:51:03
5	Zac Friggstad	610	C++	2022-02-05 04:17:51
6	Leonardo Blanger	613	C++	2021-03-25 20:21:27
7	Jiang Yue	626	C++	2018-08-15 07:38:27
8	Sreyans Sipani	638	C++	2020-08-26 22:11:08
9	Tuukka Korhonen	647	C++	2022-03-19 19:13:58
10	Ranald Lam	651	C++	2018-08-15 07:27:46

#	User	Length	Language	Date
1	Erlend Fonnes	1606	Go	2021-04-04 15:34:56

#	User	Length	Language	Date
1	Hidden user	1141	Java	2020-10-06 04:13:23
2	Doug Goodman	1287	Java	2017-08-05 17:59:15
3	Yao Jie Thng	1501	Java	2020-08-17 10:37:57
4	Michael O'Brien	1741	Java	2022-04-12 03:33:36
5	Godmar Back	1995	Java	2020-11-11 22:39:51
6	Andrew Polizzotto	2033	Java	2020-10-06 03:40:05
7	Liu Zhaoyu	2040	Java	2020-08-18 05:19:41
8	Crystal Sharpe	2047	Java	2020-06-17 06:00:15
9	Benjamin Reidys	2185	Java	2019-12-18 17:13:29
10	Taras Romanyuk	2330	Java	2025-01-06 16:54:40

#	User	Length	Language	Date
1	Christian Cederquist	713	JavaScript (SpiderMonkey)	2023-08-11 00:46:53
2	Bjørn Chr. Soltvedt	1240	JavaScript (SpiderMonkey)	2024-02-08 14:57:46

#	User	Length	Language	Date
1	Noszály Csaba	298	Julia	2025-04-21 15:12:10

#	User	Length	Language	Date
1	Benjamin Ye	746	Kotlin	2023-03-01 21:56:04
2	Jacob Huebner	941	Kotlin	2021-04-29 22:01:29
3	Liow Jia Chen	1245	Kotlin	2020-08-17 07:39:18

#	User	Length	Language	Date
1	Lars Åström	492	Python 2	2019-10-23 18:46:06
2	Robert Welin-Berger	550	Python 2	2016-11-15 19:01:44
3	Kristmundur Agust	645	Python 2	2019-05-26 21:41:05
4	Justin Su	687	Python 2	2019-09-28 03:41:40
5	Hidden user	749	Python 2	2016-11-15 20:02:19
6	Marie Natland Berg	1163	Python 2	2021-03-26 14:36:17

#	User	Length	Language	Date
1	Benjamin Ye	209	Python 3	2023-03-01 23:44:45
2	Oskar Haarklou Veileborg	311	Python 3	2020-03-31 14:36:26
3	Hidden user	338	Python 3	2023-09-02 23:45:00
4	Erlend Haugen	395	Python 3	2022-03-26 10:37:27
5	Anshuman Dash	404	Python 3	2023-03-08 09:12:55
6	Mateo Wang	456	Python 3	2023-03-04 03:26:44
7	Luke Vandevoorde	491	Python 3	2023-03-03 12:59:03
8	Iman Khodadi	506	Python 3	2023-10-17 09:28:13
9	Joakim Sunde	536	Python 3	2021-03-17 10:23:20
10	Magnus Hokland Hegdahl	566	Python 3	2022-03-21 15:18:30

#	User	Length	Language	Date
1	Jianghua Wang	1357	Rust	2023-03-05 01:50:01
2	Justin Nguyen Vo	1507	Rust	2023-03-06 08:46:01
3	Adam Guangwei Yu	1684	Rust	2023-03-04 03:25:27
4	Rowan Tran	1691	Rust	2023-03-10 09:10:26
5	Yoeri Otten	2110	Rust	2022-03-24 00:43:02
6	Ryan Chau	2204	Rust	2023-03-06 02:26:18
7	Vincent Lagerros	16755	Rust	2024-09-21 14:50:59

Solution running time distribution