Problem I
Security Badge — Problem Statistics

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Submissions	1250
Accepted submissions	209
Submission ratio	16.72%
Authors	231
Accepted authors	140
Author ratio	60.61%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.12 s	C	2019-08-14 15:17:22
2	Hidden user	0.13 s	C	2025-06-02 10:42:17

#	User	Runtime	Language	Date
1	YanHao Ling	0.05 s	C++	2018-06-12 09:29:47
2	Jacky Dai	0.06 s	C++	2021-06-23 14:12:00
3	An Nguyen	0.08 s	C++	2018-10-19 22:34:41
4	Dmitry Lyubshin	0.08 s	C++	2023-05-31 04:11:53
5	Ola Dahl	0.08 s	C++	2024-06-02 21:35:55
6	Paul-Andre Henegar	0.09 s	C++	2019-02-24 02:43:22
7	Si Yuan Chang	0.09 s	C++	2020-01-27 05:43:14
8	Bastien Aubecq	0.09 s	C++	2025-01-25 13:37:48
9	Luke Miles	0.10 s	C++	2018-11-02 02:50:07
10	Charlie Wu	0.10 s	C++	2018-11-09 17:26:48

#	User	Runtime	Language	Date
1	Doug Goodman	0.46 s	Java	2020-10-25 15:06:18
2	Rene Argento	0.54 s	Java	2023-03-07 20:10:10
3	Taras Romanyuk	0.59 s	Java	2025-03-03 00:16:06
4	Terrence Park	0.74 s	Java	2018-11-09 16:46:13
5	Danniel Alcantara	0.80 s	Java	2024-06-28 07:17:59
6	Godmar Back	0.82 s	Java	2017-11-13 16:33:32
7	Nick Wu	0.82 s	Java	2017-11-15 22:25:24
8	Ge Xia	0.87 s	Java	2018-03-12 10:02:59
9	Curt Powley	0.89 s	Java	2021-10-05 06:40:14
10	Jiru Xu	0.92 s	Java	2017-11-23 05:51:14

#	User	Runtime	Language	Date
1	Jacob Huebner	0.87 s	Kotlin	2020-06-04 04:20:50

#	User	Runtime	Language	Date
1	Måns Magnusson	1.06 s	Python 2	2018-09-30 15:18:14
2	Maj Stenmark	1.06 s	Python 2	2018-09-30 15:39:07
3	Yunfan Zhang	2.98 s	Python 2	2018-10-09 14:37:48

#	User	Runtime	Language	Date
1	Ng Hua Yu	0.61 s	Python 3	2024-05-05 16:39:24
2	Kaverappa O T	0.71 s	Python 3	2021-05-30 11:04:41
3	Jefferson Elbert Simões	0.80 s	Python 3	2024-12-06 03:48:32
4	Siddharth Soni	1.03 s	Python 3	2025-03-19 12:12:16
5	Rubiocai Programador	1.05 s	Python 3	2024-11-22 06:09:49
6	Nicholas Russell Saerang	1.06 s	Python 3	2023-02-12 20:00:47
7	Lee Yi Heng	1.12 s	Python 3	2023-11-05 17:42:52
8	Kamiel Cornelissen	1.14 s	Python 3	2024-08-15 15:02:18
9	Hidden user	1.16 s	Python 3	2024-11-07 03:05:39

#	User	Runtime	Language	Date
1	Muhammad Rais Fathin Mudzakir	0.09 s	Rust	2021-05-23 04:26:54

#	User	Length	Language	Date
1	Ivan Petrov	1082	C	2019-08-14 15:17:22
2	Hidden user	1476	C	2025-06-02 10:39:41

#	User	Length	Language	Date
1	Josenildo Silva	903	C++	2018-12-13 19:44:34
2	Hidden user	914	C++	2018-10-27 21:40:48
3	Nicholas Winschel	948	C++	2024-11-02 16:46:04
4	Samuel Nacache	948	C++	2018-10-22 23:44:43
5	Andrew H	957	C++	2023-02-08 23:06:49
6	Hidden user	974	C++	2024-01-04 08:47:55
7	Si Yuan Chang	994	C++	2020-01-27 05:43:14
8	Dmitry Lyubshin	1002	C++	2023-05-31 04:11:53
9	Mathias Gernez	1014	C++	2024-02-18 15:12:28
10	Christian Yongwhan Lim	1022	C++	2023-12-19 14:29:21

#	User	Length	Language	Date
1	Jiru Xu	1468	Java	2017-11-23 05:51:14
2	Steve Tate	1535	Java	2017-11-11 22:35:40
3	Kevin Kauffman	1869	Java	2021-10-26 05:16:59
4	Hidden user	1937	Java	2020-06-04 23:46:27
5	Leon Cao	2068	Java	2018-11-05 00:09:09
6	Hassan Almas	2150	Java	2017-11-13 16:51:56
7	Danniel Alcantara	2329	Java	2024-06-28 07:17:59
8	Doug Goodman	2354	Java	2020-10-25 15:06:18
9	Benjamin Reidys	2416	Java	2019-07-17 15:56:33
10	Terrence Park	2427	Java	2018-11-09 16:46:13

#	User	Length	Language	Date
1	Jacob Huebner	4440	Kotlin	2020-06-04 04:20:50

#	User	Length	Language	Date
1	Måns Magnusson	927	Python 2	2018-09-30 15:18:14
2	Maj Stenmark	927	Python 2	2018-09-30 15:39:07
3	Yunfan Zhang	1917	Python 2	2018-10-09 14:37:48

#	User	Length	Language	Date
1	Hidden user	676	Python 3	2024-11-07 03:05:39
2	Nicholas Russell Saerang	678	Python 3	2023-02-12 19:40:50
3	Siddharth Soni	693	Python 3	2025-03-19 12:12:16
4	Rubiocai Programador	701	Python 3	2024-11-22 06:09:49
5	Kamiel Cornelissen	729	Python 3	2024-08-15 15:02:18
6	Ng Hua Yu	905	Python 3	2024-05-05 16:39:24
7	Lee Yi Heng	1075	Python 3	2023-11-05 17:42:52
8	Jefferson Elbert Simões	1222	Python 3	2024-12-05 22:18:45
9	Kaverappa O T	1767	Python 3	2021-05-30 11:04:41

#	User	Length	Language	Date
1	Muhammad Rais Fathin Mudzakir	5006	Rust	2021-05-23 04:26:03

Solution running time distribution