Problem A
Mall Mania — Problem Statistics

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Submissions	884
Accepted submissions	295
Submission ratio	33.37%
Authors	247
Full solves [?]	209
Full solve Ratio	84.62%

#	User	Runtime	Language	Date
1	Matei Calin	0.17 s	C	2021-10-20 21:26:49
2	Ivan Petrov	0.18 s	C	2019-12-02 09:43:23
3	Hidden user	0.18 s	C	2020-09-14 04:02:38

#	User	Runtime	Language	Date
1	Scott MacIntosh	0.03 s	C++	2020-09-17 17:13:55
2	Nathan Molby	0.05 s	C++	2017-09-15 17:32:30
3	Samuel Henry Kurniawan	0.05 s	C++	2018-12-12 22:57:49
4	Magnus Hegdahl	0.06 s	C++	2020-07-28 00:43:06
5	William Taylor-Melanson	0.06 s	C++	2020-09-12 14:37:09
6	吳柏橙	0.06 s	C++	2021-02-13 07:51:59
7	RONALD ROMARIO GUTIERREZ ARRATIA	0.06 s	C++	2022-11-14 23:43:55
8	Hidden user	0.10 s	C++	2019-07-17 02:07:44
9	Rumman Mahmud	0.10 s	C++	2025-06-27 19:35:22
10	Lukas Polacek	0.11 s	C++	2014-11-24 19:27:53

#	User	Runtime	Language	Date
1	Jens Ståhl	0.58 s	Java	2013-10-09 09:13:13
2	Erik Odenman	0.62 s	Java	2012-10-09 18:20:36
3	Jimmy Mårdell	0.63 s	Java	2014-12-14 14:42:39
4	Rene Argento	0.64 s	Java	2023-12-15 20:34:10
5	Micah Stairs	0.66 s	Java	2016-10-27 02:15:58
6	Sim Yu Jie	0.68 s	Java	2019-11-15 08:18:47
7	Bjørn Dons	0.68 s	Java	2023-02-19 20:24:53
8	Anders Ye	0.71 s	Java	2013-10-09 13:39:59
9	Doug Goodman	0.73 s	Java	2020-08-06 17:07:42
10	Mike Nguyen	0.74 s	Java	2020-12-30 03:34:51

#	User	Runtime	Language	Date
1	Duoduo Zhao	0.35 s	Python 3	2025-08-09 05:12:57
2	poppyer	0.77 s	Python 3	2022-08-08 07:09:50
3	Nicholas Russell Saerang	0.95 s	Python 3	2023-08-10 12:23:47

#	User	Length	Language	Date
1	Hidden user	1685	C	2020-09-14 04:02:38
2	Matei Calin	1685	C	2021-10-20 21:26:49
3	Ivan Petrov	1821	C	2019-12-02 09:43:23

#	User	Length	Language	Date
1	Ahmed Chamseddine	786	C++	2024-03-28 21:16:41
2	Magnus Hegdahl	810	C++	2020-07-28 00:43:06
3	William Taylor-Melanson	913	C++	2020-09-12 14:37:09
4	Leonardo Blanger	916	C++	2021-01-02 04:00:47
5	Hidden user	924	C++	2024-09-20 20:29:19
6	Teikn Smith	930	C++	2023-08-10 05:31:08
7	William Gan	948	C++	2017-04-18 03:53:44
8	Roger Chen	959	C++	2023-01-05 08:47:32
9	Luciano Arnaldo Romero Calla	984	C++	2024-03-01 00:06:20
10	ณัฐวุฒิ เจนศักดิ์ดา	985	C++	2024-01-19 21:45:52

#	User	Length	Language	Date
1	Yuanrui Zhao	2406	Java	2021-09-06 08:33:10
2	Viraj Maddur	2539	Java	2017-01-28 19:11:08
3	Micah Stairs	2602	Java	2016-10-27 02:15:58
4	Doug Goodman	2739	Java	2020-08-06 17:07:42
5	Erik Odenman	2758	Java	2012-10-09 18:20:36
6	Zach Tschetter	2768	Java	2023-07-06 02:23:50
7	Nick Wu	3153	Java	2016-08-07 02:35:37
8	Taras Romanyuk	3203	Java	2024-06-18 16:08:17
9	Jimmy Mårdell	3549	Java	2014-12-13 15:34:04
10	Sim Yu Jie	3914	Java	2019-11-15 08:18:47

#	User	Length	Language	Date
1	Nicholas Russell Saerang	881	Python 3	2023-08-10 12:34:18
2	poppyer	1822	Python 3	2022-08-08 07:09:50
3	Duoduo Zhao	3709	Python 3	2025-08-09 05:12:57

Solution running time distribution