Problem A
Shopping Malls — Problem Statistics

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Submissions	836
Accepted submissions	328
Submission ratio	39.23%
Authors	256
Full solves [?]	211
Full solve Ratio	82.42%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.02 s	C	2019-09-20 13:16:24

#	User	Runtime	Language	Date
1	Tómas Magnússon	0.00 s	C++	2014-12-11 22:49:24
2	Artemis Ngoh	0.00 s	C++	2023-05-13 18:16:25
3	Nikola Ninkovic	0.01 s	C++	2015-05-25 16:01:30
4	Lisa Vällfors	0.01 s	C++	2015-12-29 11:01:37
5	Jorik Jooken	0.01 s	C++	2016-08-05 14:11:43
6	Sagar JP	0.01 s	C++	2016-10-25 13:09:47
7	Nick Wu	0.01 s	C++	2016-12-12 07:22:09
8	Eoin Davey	0.01 s	C++	2017-09-17 19:06:17
9	Hidden user	0.01 s	C++	2017-11-08 17:50:35
10	Bay Wei Heng	0.01 s	C++	2017-12-26 13:26:05

#	User	Runtime	Language	Date
1	Norbert Voelker	0.19 s	Go	2022-01-04 19:55:08

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.16 s	Java	2020-12-16 06:40:49
2	Daniel Keyes	0.17 s	Java	2016-08-08 17:52:51
3	Martijn Muijsers	0.22 s	Java	2020-08-18 12:23:14
4	Richard Chong	0.22 s	Java	2021-03-26 05:52:55
5	Rene Argento	0.25 s	Java	2024-01-22 16:46:48
6	Bjørn Dons	0.26 s	Java	2023-08-22 21:19:58
7	Mike Nguyen	0.29 s	Java	2021-07-17 19:29:16
8	Brent Yorgey	0.34 s	Java	2019-06-06 01:36:07
9	Jason Dan	0.35 s	Java	2021-03-05 04:39:08
10	Bryan Jin	0.36 s	Java	2018-08-12 01:05:51

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.35 s	JavaScript (SpiderMonkey)	2023-08-09 22:51:40
2	Bjørn Chr. Soltvedt	0.54 s	JavaScript (SpiderMonkey)	2023-12-24 15:53:20

#	User	Runtime	Language	Date
1	Jonathan Soo	0.33 s	Kotlin	2020-03-19 09:16:06
2	Phường Lên	0.47 s	Kotlin	2020-07-23 03:38:43

#	User	Runtime	Language	Date
1	Oskar Haarklou Veileborg	0.13 s	Python 2	2017-11-24 10:05:55
2	udprogrammingteam Team	0.20 s	Python 2	2016-10-26 01:07:56
3	Lars Åström	0.32 s	Python 2	2018-11-18 16:59:49
4	Björn Magnusson	0.32 s	Python 2	2018-11-18 21:22:00
5	Måns Magnusson	0.46 s	Python 2	2018-11-18 17:53:50
6	Maj Stenmark	0.46 s	Python 2	2018-11-19 20:32:43

#	User	Runtime	Language	Date
1	Jiaming Kong	0.12 s	Python 3	2025-08-08 06:46:29
2	Edward Späth	0.17 s	Python 3	2023-12-14 09:56:21
3	Teikn Smith	0.18 s	Python 3	2022-06-23 01:33:50
4	Denil Bouafia	0.20 s	Python 3	2024-12-17 17:08:56
5	Simon Berens	0.23 s	Python 3	2020-11-03 22:06:52
6	Kevin Cherry	0.23 s	Python 3	2022-10-28 07:59:14
7	c man	0.23 s	Python 3	2025-11-03 21:23:32
8	Diana Kuntsmann	0.24 s	Python 3	2025-06-08 17:45:36
9	Erki Baumann	0.26 s	Python 3	2025-05-06 22:43:19
10	Artjom Hruljov	0.26 s	Python 3	2025-05-10 12:09:35

#	User	Length	Language	Date
1	Ivan Petrov	2605	C	2019-09-20 13:16:24

#	User	Length	Language	Date
1	Clement Oh	1472	C++	2024-01-22 17:00:34
2	Joakim Blikstad	1504	C++	2020-10-07 19:39:09
3	Paulius Gasiukevicius	1518	C++	2018-04-08 16:08:44
4	Simon Lindholm	1518	C++	2020-10-07 19:28:48
5	Hidden user	1585	C++	2016-11-04 14:59:18
6	Matthew Joseph Schallenkamp	1613	C++	2019-02-23 19:49:10
7	Markus Mathiasen	1711	C++	2023-08-02 12:00:43
8	Josenildo Silva	1749	C++	2018-07-29 18:16:13
9	Choi Min Suk	1766	C++	2021-07-06 16:01:25
10	Mohsen Dehbashi	1788	C++	2020-08-25 09:19:17

#	User	Length	Language	Date
1	Norbert Voelker	7033	Go	2022-01-04 19:55:08

#	User	Length	Language	Date
1	Doug Goodman	2141	Java	2016-07-15 20:40:22
2	Richard Chong	3127	Java	2021-03-26 05:52:55
3	Daniel Keyes	3292	Java	2016-08-08 17:52:51
4	Martijn Muijsers	3380	Java	2020-08-18 12:23:14
5	Micah Stairs	3469	Java	2015-09-16 04:18:09
6	Hidden user	3792	Java	2020-10-24 20:54:22
7	Crystal Sharpe	3890	Java	2020-12-16 06:40:49
8	Noah Goldsmid	4172	Java	2017-11-21 21:24:03
9	Bryan Jin	4627	Java	2018-08-12 01:05:51
10	udprogrammingteam Team	4645	Java	2016-12-09 20:16:40

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	5241	JavaScript (SpiderMonkey)	2023-08-09 22:51:40
2	Bjørn Chr. Soltvedt	20138	JavaScript (SpiderMonkey)	2023-12-24 15:53:20

#	User	Length	Language	Date
1	Phường Lên	2953	Kotlin	2020-07-23 03:38:43
2	Jonathan Soo	8352	Kotlin	2020-03-19 09:16:06

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	1281	Python 2	2017-11-24 10:05:55
2	udprogrammingteam Team	1304	Python 2	2016-10-26 01:07:56
3	Maj Stenmark	1385	Python 2	2018-11-19 20:32:43
4	Måns Magnusson	1388	Python 2	2018-11-18 17:53:50
5	Lars Åström	1400	Python 2	2018-11-18 16:59:49
6	Björn Magnusson	1400	Python 2	2018-11-18 21:22:00

#	User	Length	Language	Date
1	Artjom Hruljov	1044	Python 3	2025-05-10 12:09:35
2	Casper Rysgaard	1171	Python 3	2023-10-05 14:22:20
3	Teikn Smith	1283	Python 3	2022-06-23 01:33:50
4	Hidden user	1322	Python 3	2021-03-08 08:12:08
5	Paul-Andre Henegar	1324	Python 3	2021-03-12 07:13:34
6	c man	1365	Python 3	2025-11-03 21:23:32
7	Simon Berens	1368	Python 3	2020-11-03 22:06:52
8	Denil Bouafia	1423	Python 3	2024-12-17 17:08:56
9	Alexander Ragnarsson	1425	Python 3	2021-05-14 16:42:30
10	Zach Tschetter	1452	Python 3	2023-07-17 06:30:26

Solution running time distribution