Problem A
Coprime Integers — Problem Statistics

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Submissions	1435
Accepted submissions	570
Submission ratio	39.72%
Authors	503
Full solves [?]	375
Full solve Ratio	74.55%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.15 s	C	2019-10-09 14:17:52
2	Paolo Estavillo	0.20 s	C	2024-03-24 14:31:57
3	Hidden user	0.40 s	C	2018-11-07 18:11:05

#	User	Runtime	Language	Date
1	Matthew Craven	0.01 s	C++	2020-06-02 18:37:13
2	David Brink	0.03 s	C++	2019-04-20 16:10:55
3	Brandon Zhang	0.14 s	C++	2020-04-24 00:06:40
4	Hidden user	0.15 s	C++	2018-11-08 04:33:22
5	Hidden user	0.15 s	C++	2020-05-31 02:05:33
6	Liu Sean	0.15 s	C++	2022-03-10 22:23:22
7	Tridipta Mishra	0.15 s	C++	2025-08-21 09:23:11
8	Vedang Gaonkar	0.16 s	C++	2019-10-12 20:34:54
9	dreamoon	0.16 s	C++	2025-02-19 07:45:10
10	Jordan Lamkin	0.18 s	C++	2018-11-08 23:49:07

#	User	Runtime	Language	Date
1	Noureldin Yosri	1.87 s	Go	2020-05-30 18:52:58

#	User	Runtime	Language	Date
1	Matthew Craven	0.04 s	Haskell	2020-06-02 16:31:00

#	User	Runtime	Language	Date
1	Sunny Guan	0.29 s	Java	2020-11-14 19:04:46
2	Godmar Back	0.36 s	Java	2019-10-14 02:09:02
3	Benjamin Reidys	0.37 s	Java	2019-10-18 14:32:38
4	Ho Lyun Jeong	0.38 s	Java	2021-10-09 17:46:12
5	Isaac Lee	0.41 s	Java	2020-04-02 06:22:14
6	Bjørn Dons	0.41 s	Java	2024-04-03 15:50:03
7	Charles Lyu	0.48 s	Java	2019-11-06 13:23:46
8	Hidden user	0.58 s	Java	2022-02-02 13:16:54
9	Zihan Wang	0.59 s	Java	2018-11-05 23:41:06
10	Alex Wong	0.59 s	Java	2019-05-10 21:30:54

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.53 s	JavaScript (SpiderMonkey)	2024-07-25 14:42:29

#	User	Runtime	Language	Date
1	Timothy Gaede	2.92 s	Julia	2025-05-13 01:42:27

#	User	Runtime	Language	Date
1	Kevin Tang	0.71 s	Python 2	2019-11-30 09:14:32
2	Hidden user	0.82 s	Python 2	2018-11-04 16:29:48

#	User	Runtime	Language	Date
1	Bryan Juniano	0.73 s	Python 3	2025-05-06 04:02:49
2	Moniza Shahid	0.79 s	Python 3	2025-01-08 18:36:11
3	Hrant Hovhannisyan	0.81 s	Python 3	2025-12-16 09:31:08
4	William Kettleborough	0.82 s	Python 3	2024-09-27 03:34:24
5	Russell	0.83 s	Python 3	2025-09-21 14:26:54
6	Nicholas Russell Saerang	0.84 s	Python 3	2024-06-07 07:15:21
7	Rob Hochberg	0.97 s	Python 3	2025-04-08 00:11:18
8	Thoma Nani	1.09 s	Python 3	2024-12-03 13:55:27
9	Huang Chao Ming	1.16 s	Python 3	2024-09-25 19:53:41
10	Roberto Najera	1.21 s	Python 3	2025-10-30 23:17:59

#	User	Length	Language	Date
1	Paolo Estavillo	1197	C	2024-03-24 14:31:57
2	Ivan Petrov	1399	C	2019-10-09 14:17:52
3	Hidden user	5317	C	2018-11-07 18:11:05

#	User	Length	Language	Date
1	Duc Duy Nguyen	328	C++	2018-11-08 02:44:35
2	Lucas Miguel V. Agcaoili	345	C++	2024-03-30 01:01:15
3	林鼎陽	373	C++	2023-10-09 02:17:52
4	Alex Lin	395	C++	2025-06-26 12:16:15
5	林_	419	C++	2022-06-02 15:01:49
6	Mehedi Hasan	434	C++	2024-10-03 16:01:40
7	王開育	453	C++	2022-04-19 16:23:48
8	KamChuen Chan	468	C++	2023-09-02 15:45:57
9	백준	469	C++	2024-01-26 15:45:46
10	Aurora Yining Huang	492	C++	2022-08-20 11:04:56

#	User	Length	Language	Date
1	Noureldin Yosri	734	Go	2020-05-30 18:52:58

#	User	Length	Language	Date
1	Matthew Craven	2892	Haskell	2020-05-31 21:11:32

#	User	Length	Language	Date
1	Brennan Cleland	788	Java	2022-11-02 22:48:28
2	Hidden user	1053	Java	2022-02-02 13:16:54
3	Charles Lyu	1171	Java	2019-11-06 13:23:46
4	Alex Wong	1270	Java	2019-05-10 21:30:54
5	Arup Ratan Guha	1337	Java	2021-02-14 13:07:45
6	Joey Woodson	1372	Java	2018-11-17 23:38:20
7	Sam Reinehr	1420	Java	2018-11-05 21:56:58
8	Godmar Back	1423	Java	2019-10-13 04:24:45
9	Suhas T. Nagar	1508	Java	2022-11-21 05:49:21
10	Darrin Wiley	1558	Java	2019-10-14 18:11:24

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	922	JavaScript (SpiderMonkey)	2024-07-25 14:42:02

#	User	Length	Language	Date
1	Timothy Gaede	8603	Julia	2025-05-13 01:42:27

#	User	Length	Language	Date
1	Hidden user	662	Python 2	2018-11-04 16:29:48
2	Kevin Tang	829	Python 2	2019-11-30 09:14:32

#	User	Length	Language	Date
1	Dilhan Salgado	291	Python 3	2025-10-28 22:52:56
2	Kana Arima	406	Python 3	2024-06-02 21:05:45
3	Bryan Juniano	420	Python 3	2025-05-06 04:02:49
4	George Zhang	442	Python 3	2025-07-03 00:23:06
5	Gaelan McMillan	468	Python 3	2025-06-30 20:17:41
6	Nicholas Russell Saerang	472	Python 3	2024-06-07 07:15:21
7	Moniza Shahid	484	Python 3	2025-01-08 18:36:11
8	Russell	484	Python 3	2025-09-21 14:26:54
9	BHARATHI S	505	Python 3	2025-04-13 12:31:30
10	Hrant Hovhannisyan	625	Python 3	2025-12-16 09:31:08

Solution running time distribution