Problem J
Stack Construction — Problem Statistics

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Submissions	754
Accepted submissions	213
Submission ratio	28.25%
Authors	270
Accepted authors	153
Author ratio	56.67%

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	C	2025-06-03 17:35:15
2	Ivan Petrov	0.12 s	C	2019-08-06 13:40:35

#	User	Runtime	Language	Date
1	Hubert Teo	0.04 s	C++	2016-10-29 20:07:29
2	Nick Wu	0.04 s	C++	2020-07-03 03:09:06
3	RYAN ONG ZHENG XUN	0.04 s	C++	2024-03-04 09:16:25
4	Tomás Cariño	0.05 s	C++	2017-08-21 21:34:39
5	Reyno Tilikaynen	0.05 s	C++	2017-10-21 20:14:03
6	Jason Liu	0.05 s	C++	2023-05-01 06:04:11
7	David Sturgill	0.05 s	C++	2023-06-05 23:28:32
8	Tan Kwang Thiag	0.05 s	C++	2024-02-12 19:10:12
9	Yuto Watanabe	0.05 s	C++	2024-02-13 17:06:11
10	Gao Tianrun	0.05 s	C++	2024-02-15 04:18:20

#	User	Runtime	Language	Date
1	Bjørn Dons	0.07 s	Go	2023-07-27 19:36:30

#	User	Runtime	Language	Date
1	Hidden user	0.16 s	Java	2017-10-13 07:12:58
2	Ali Zarrini	0.16 s	Java	2017-11-10 05:20:40
3	Hidden user	0.17 s	Java	2018-03-26 08:07:52
4	Ronald Cruz	0.18 s	Java	2017-10-29 02:08:11
5	Igor Durovic	0.18 s	Java	2017-11-09 05:20:44
6	Jarrett Spiker	0.19 s	Java	2016-11-01 23:36:31
7	Eric Williamson	0.20 s	Java	2017-10-28 23:25:04
8	Daniel Moyer	0.20 s	Java	2017-10-29 00:48:34
9	Brett Fazio	0.31 s	Java	2019-05-26 00:00:36
10	Alexander Glasson	0.32 s	Java	2017-10-28 22:20:31

#	User	Runtime	Language	Date
1	David Schlyter	0.68 s	JavaScript (SpiderMonkey)	2017-10-24 10:58:33

#	User	Runtime	Language	Date
1	Jacob Huebner	0.37 s	Kotlin	2021-06-08 07:12:52
2	Danny Mittal	0.48 s	Kotlin	2024-09-28 19:34:27

#	User	Runtime	Language	Date
1	Måns Magnusson	0.53 s	Python 2	2018-11-15 17:42:03
2	Hidden user	1.38 s	Python 2	2018-12-16 23:05:31

#	User	Runtime	Language	Date
1	Oskar Haarklou Veileborg	0.21 s	Python 3	2020-10-06 08:53:54
2	Duoduo Zhao	0.39 s	Python 3	2025-08-30 18:08:54
3	Nicholas Russell Saerang	0.45 s	Python 3	2023-07-23 20:18:17
4	Ram Basnet	0.45 s	Python 3	2023-12-17 21:22:32
5	Marian D.	0.48 s	Python 3	2023-11-24 09:18:08
6	Hidden user	0.49 s	Python 3	2025-07-13 05:02:11
7	Clement Oh	0.51 s	Python 3	2024-02-13 05:52:58
8	Hrant Hovhannisyan	0.55 s	Python 3	2025-06-26 10:27:25
9	Tai Tze Kin	0.60 s	Python 3	2024-02-17 18:11:10
10	Joshua Andersson	1.00 s	Python 3	2024-12-29 01:36:05

#	User	Length	Language	Date
1	Ivan Petrov	732	C	2019-08-06 13:40:35
2	Hidden user	815	C	2025-06-03 17:35:15

#	User	Length	Language	Date
1	Noah Weninger	623	C++	2016-11-05 04:51:53
2	กฤษฏิ์ พรไพรินทร์	631	C++	2017-11-29 03:32:39
3	Yunpeng Tang	637	C++	2016-11-08 23:59:57
4	Mohammad Solaiman	680	C++	2017-10-10 17:32:44
5	Tai Tze Kin	682	C++	2024-02-13 20:51:03
6	Erik Amirell Eklöf	692	C++	2021-11-10 19:28:54
7	Patrick Losique	696	C++	2019-09-20 03:59:33
8	Saad Mahmud	699	C++	2018-03-16 16:54:51
9	Hidden user	707	C++	2017-11-02 09:48:07
10	Renato Ferreira	710	C++	2017-10-21 20:56:54

#	User	Length	Language	Date
1	Bjørn Dons	1048	Go	2023-07-27 19:36:30

#	User	Length	Language	Date
1	Hidden user	724	Java	2018-03-26 08:07:52
2	Hidden user	740	Java	2017-10-13 07:12:58
3	Ali Zarrini	871	Java	2017-11-10 05:20:40
4	Igor Durovic	946	Java	2017-11-09 05:20:44
5	John Edwards	965	Java	2019-07-14 06:50:10
6	Jarrett Spiker	1007	Java	2016-11-01 23:36:31
7	Daniel Moyer	1009	Java	2017-10-29 00:48:34
8	Doug Goodman	1034	Java	2019-10-10 21:22:10
9	Eric Williamson	1116	Java	2017-10-28 23:25:04
10	Alexander Glasson	1515	Java	2017-10-28 22:20:31

#	User	Length	Language	Date
1	David Schlyter	1790	JavaScript (SpiderMonkey)	2017-10-24 10:58:33

#	User	Length	Language	Date
1	Jacob Huebner	781	Kotlin	2021-06-08 07:12:52
2	Danny Mittal	844	Kotlin	2024-09-28 19:34:27

#	User	Length	Language	Date
1	Måns Magnusson	649	Python 2	2018-11-15 17:42:03
2	Hidden user	1367	Python 2	2018-12-16 16:59:34

#	User	Length	Language	Date
1	Clement Oh	373	Python 3	2023-09-29 07:37:06
2	Nicholas Russell Saerang	374	Python 3	2023-07-23 20:17:31
3	Marian D.	381	Python 3	2023-11-24 09:18:08
4	Hidden user	474	Python 3	2025-07-13 05:02:11
5	Tai Tze Kin	489	Python 3	2024-02-17 18:11:10
6	Hrant Hovhannisyan	559	Python 3	2025-06-26 10:27:25
7	Joshua Andersson	577	Python 3	2024-12-29 01:36:05
8	Ram Basnet	658	Python 3	2023-12-17 21:22:32
9	Oskar Haarklou Veileborg	708	Python 3	2020-10-06 08:53:54
10	Nico Klaassen	1430	Python 3	2022-10-21 23:34:41

Solution running time distribution