Problem A
Three Digits — Problem Statistics

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Submissions	7178
Accepted submissions	1209
Submission ratio	16.84%
Authors	1011
Full solves [?]	722
Full solve Ratio	71.41%

#	User	Runtime	Language	Date
1	Alexandre Loiko	0.00 s	C	2013-04-16 19:39:29
2	Bassam Alfarhan	0.04 s	C	2013-04-19 13:49:05
3	Fredrik Atmer	0.05 s	C	2012-11-29 22:55:56
4	Markus Videll	0.05 s	C	2015-09-27 12:08:20
5	Adam Fazekas	0.05 s	C	2015-11-01 20:39:07
6	Josenildo Silva	0.05 s	C	2017-01-25 18:05:18
7	Arnar Bjarni Arnarson	0.05 s	C	2017-04-16 02:27:45
8	Jing Huang	0.05 s	C	2017-06-12 03:44:47
9	Ayoub Chegraoui	0.05 s	C	2018-03-24 12:02:56
10	Sven Rönnbäck	0.05 s	C	2025-05-11 20:06:32

#	User	Runtime	Language	Date
1	Rami Farran	0.12 s	C#	2021-05-09 09:31:52
2	Igor Stefanovic	0.23 s	C#	2023-04-01 13:04:21
3	Aidan Boisvert	0.26 s	C#	2024-12-09 21:02:27
4	Brian Scott	0.29 s	C#	2018-09-21 20:05:35
5	Christofer Ryås	0.29 s	C#	2018-10-25 10:41:25
6	Strauss Bornman	0.31 s	C#	2023-08-13 22:59:46
7	Nuwanga Rodrigo	0.40 s	C#	2025-10-05 20:09:23
8	Nisha Ravindra	0.53 s	C#	2021-10-11 22:24:58

#	User	Runtime	Language	Date
1	Norbert Voelker	0.02 s	Go	2023-03-30 21:29:51
2	Bassam Alfarhan	0.16 s	Go	2013-04-19 12:32:55

#	User	Runtime	Language	Date
1	Hidden user	0.38 s	Haskell	2022-02-03 05:24:36
2	Joakim Blikstad	0.82 s	Haskell	2015-11-18 16:53:21

#	User	Runtime	Language	Date
1	Alexandre Loiko	0.05 s	Java	2013-04-11 20:02:13
2	Anders Ye	0.07 s	Java	2014-04-09 13:13:52
3	Axel Lewenhaupt	0.11 s	Java	2013-04-15 22:12:00
4	Bassam Alfarhan	0.11 s	Java	2013-04-19 12:27:38
5	Nguyễn Mạnh Phúc	0.11 s	Java	2015-10-28 05:07:08
6	Stela Palii	0.11 s	Java	2018-03-04 23:06:04
7	Herman Appelgren	0.11 s	Java	2018-07-22 15:04:18
8	Fredrik Atmer	0.12 s	Java	2012-11-29 23:12:36
9	Erik Odenman	0.12 s	Java	2013-04-13 14:27:17
10	Martin Wiberg Petersen	0.12 s	Java	2016-06-30 09:35:59

#	User	Runtime	Language	Date
1	Sigve Hortemo Sæther	0.68 s	JavaScript (Node.js)	2021-05-18 09:47:38

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.71 s	JavaScript (SpiderMonkey)	2023-07-05 07:22:43
2	Christian Pilegaard Cederquist	0.95 s	JavaScript (SpiderMonkey)	2023-10-22 12:23:32

#	User	Runtime	Language	Date
1	Timothy Gaede	0.72 s	Julia	2025-12-17 11:13:27

#	User	Runtime	Language	Date
1	Phường Lên	0.22 s	Kotlin	2020-03-04 17:06:50
2	Dayan Ruben Gonzalez	0.23 s	Kotlin	2020-09-29 20:18:08
3	Adam Koprowski	0.30 s	Kotlin	2021-06-25 20:26:01
4	Adam Rankin	0.31 s	Kotlin	2023-10-11 04:34:43
5	Hidden user	0.47 s	Kotlin	2020-03-04 17:19:07

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Python 2	2017-04-15 11:24:15
2	Lars Åström	0.13 s	Python 2	2019-11-01 07:52:01
3	Ayoub Chegraoui	0.15 s	Python 2	2018-03-24 11:37:33
4	Riko Jacob	0.16 s	Python 2	2023-03-11 01:26:41
5	Markus Videll	0.18 s	Python 2	2015-09-27 11:25:36
6	Andreas Björklund	0.20 s	Python 2	2021-05-02 10:10:06
7	Kasper Borys	0.21 s	Python 2	2017-11-17 10:22:33
8	Joakim Uddholm	0.22 s	Python 2	2014-09-22 15:43:49
9	Andreas Serra	0.25 s	Python 2	2014-04-02 21:01:42
10	Minh Phúc Lê	0.57 s	Python 2	2018-03-26 12:36:05

#	User	Runtime	Language	Date
1	Mikael Florén	0.02 s	Python 3	2014-09-20 13:38:12
2	Jack Meyer Garvey	0.04 s	Python 3	2022-11-06 08:49:47
3	Rafael Kristoforus Yanto	0.04 s	Python 3	2025-02-04 23:15:31
4	Mohamed Ihssane Tahri	0.06 s	Python 3	2020-02-14 16:08:44
5	Vincent Tandya	0.06 s	Python 3	2021-03-12 09:18:41
6	Erik Mattfolk	0.06 s	Python 3	2021-10-02 10:13:36
7	Viacheslav Primenko	0.06 s	Python 3	2021-10-19 18:34:10
8	Glen Lim	0.07 s	Python 3	2020-11-26 21:32:01
9	Jens Bloemen	0.07 s	Python 3	2022-04-06 05:43:04
10	Isaac Lee	0.08 s	Python 3	2020-09-27 09:24:59

#	User	Runtime	Language	Date
1	Muhammad Rais Fathin Mudzakir	0.05 s	Rust	2021-06-05 20:48:44
2	Vilhelm Melkstam	0.05 s	Rust	2022-02-08 09:59:07
3	Viktor Bergström	0.05 s	Rust	2024-02-09 06:56:10
4	Leo Jarhede	0.05 s	Rust	2025-02-11 08:45:25
5	Joshua Freudenhammer	0.05 s	Rust	2025-09-29 03:06:35
6	Katherine Freudenhammer	0.05 s	Rust	2025-09-29 15:53:11
7	Alice Ryhl	0.07 s	Rust	2023-03-10 17:07:25
8	Hjalte Nannestad	0.17 s	Rust	2023-03-10 16:14:41
9	Alexander Berntsson	0.24 s	Rust	2025-02-10 12:56:43
10	Jeremy Lim	0.27 s	Rust	2023-11-26 14:37:30

#	User	Length	Language	Date
1	Adam Fazekas	384	C	2015-11-01 20:39:07
2	Magnus August McCubbin	399	C	2023-03-10 17:32:28
3	Arnar Bjarni Arnarson	461	C	2017-04-16 02:27:45
4	Fredrik Atmer	467	C	2012-11-29 23:05:18
5	Jing Huang	533	C	2017-06-12 03:44:47
6	Mirel Cosulschi	535	C	2024-01-03 07:48:45
7	Josenildo Silva	578	C	2017-01-25 18:05:18
8	Marcus Larsson	581	C	2013-04-16 16:38:21
9	Bassam Alfarhan	663	C	2013-04-19 13:49:05
10	Wade Costa	709	C	2022-11-05 22:15:14

#	User	Length	Language	Date
1	Aidan Boisvert	744	C#	2024-12-06 08:59:24
2	Nuwanga Rodrigo	768	C#	2025-10-05 20:09:23
3	Nisha Ravindra	808	C#	2021-10-12 17:01:54
4	Brian Scott	866	C#	2018-09-21 20:05:35
5	Strauss Bornman	985	C#	2023-08-13 22:59:46
6	Christofer Ryås	1367	C#	2018-10-25 10:41:25
7	Igor Stefanovic	1480	C#	2023-04-01 13:24:25
8	Rami Farran	2926	C#	2021-05-09 09:31:52

#	User	Length	Language	Date
1	Herman Karlsson	317	C++	2017-01-11 09:43:40
2	Hidden user	318	C++	2024-02-02 01:09:45
3	Admasu Abera	329	C++	2021-04-20 13:05:28
4	Aayush Aggarwal	336	C++	2018-01-26 20:47:20
5	Simon Lindholm	348	C++	2015-09-16 19:50:46
6	Adam Fazekas	371	C++	2015-10-19 00:57:13
7	Habibur rahman	380	C++	2024-06-22 03:06:55
8	Hadia Khan	383	C++	2025-01-16 17:16:41
9	Nicolai Robinson	399	C++	2023-03-10 17:35:14
10	Braydon Willms	402	C++	2021-02-04 06:17:09

#	User	Length	Language	Date
1	Bassam Alfarhan	634	Go	2013-04-19 12:32:55
2	Norbert Voelker	1021	Go	2023-03-30 21:29:51

#	User	Length	Language	Date
1	Joakim Blikstad	355	Haskell	2015-11-18 16:56:22
2	Hidden user	849	Haskell	2022-02-03 05:02:23

#	User	Length	Language	Date
1	Simon Klein	475	Java	2013-04-09 14:20:47
2	Duncan Page	612	Java	2019-03-18 22:37:34
3	Pedro Contipelli	633	Java	2017-02-27 16:45:02
4	Haoyue Zhu	646	Java	2014-10-15 15:34:16
5	Fredrik Atmer	670	Java	2012-11-29 23:12:36
6	Alvin Yan	677	Java	2018-07-30 01:04:13
7	Doug Goodman	697	Java	2018-05-29 16:18:58
8	Jaycent Sarion	705	Java	2023-08-01 22:09:54
9	Ivey Jane Bon	705	Java	2023-08-16 02:47:34
10	Sandha Pyae Sone	705	Java	2024-02-08 17:48:16

#	User	Length	Language	Date
1	Sigve Hortemo Sæther	1276	JavaScript (Node.js)	2021-05-18 09:47:38

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	406	JavaScript (SpiderMonkey)	2023-10-22 12:23:32
2	Bjørn Chr. Soltvedt	33222	JavaScript (SpiderMonkey)	2023-07-05 07:22:43

#	User	Length	Language	Date
1	Timothy Gaede	569	Julia	2025-12-17 11:13:27

#	User	Length	Language	Date
1	Dayan Ruben Gonzalez	664	Kotlin	2020-09-29 20:30:38
2	Phường Lên	783	Kotlin	2020-03-04 17:06:50
3	Hidden user	818	Kotlin	2020-03-04 17:19:07
4	Adam Rankin	828	Kotlin	2023-10-11 04:34:43
5	Adam Koprowski	894	Kotlin	2021-06-25 20:26:01

#	User	Length	Language	Date
1	Andreas Björklund	302	Python 2	2021-05-02 10:10:06
2	Kasper Borys	324	Python 2	2017-11-17 10:22:33
3	Ayoub Chegraoui	364	Python 2	2018-03-24 11:37:33
4	Riko Jacob	418	Python 2	2023-03-11 01:26:41
5	Lars Åström	433	Python 2	2019-11-01 07:52:01
6	Hidden user	485	Python 2	2017-04-15 08:42:41
7	Joakim Uddholm	599	Python 2	2014-09-22 14:58:41
8	Haitong Yang	911	Python 2	2017-08-06 14:58:27
9	Markus Videll	1095	Python 2	2015-09-27 11:25:36
10	Minh Phúc Lê	1218	Python 2	2018-03-26 12:35:18

#	User	Length	Language	Date
1	Gustav Elmqvist	89	Python 3	2023-03-22 00:14:35
2	Thomas Feld	92	Python 3	2023-03-28 09:50:09
3	Anton Nilsson	94	Python 3	2025-02-08 18:32:35
4	Morgan Nordberg	132	Python 3	2025-02-11 14:58:36
5	Markus Mathiasen	135	Python 3	2023-08-21 12:53:48
6	Jia Qing Lim	136	Python 3	2024-01-16 13:43:22
7	Shen Licong	142	Python 3	2024-03-30 16:46:18
8	Ng Tze Henn	144	Python 3	2023-10-28 14:16:49
9	Artemis Ngoh	148	Python 3	2023-07-02 13:04:11
10	Brandon Tang	151	Python 3	2021-11-16 01:30:08

#	User	Length	Language	Date
1	Jeremy Lim	522	Rust	2023-11-26 14:37:30
2	Hjalte Nannestad	555	Rust	2023-03-10 16:14:41
3	Katherine Freudenhammer	625	Rust	2025-09-29 15:53:11
4	Leo Jarhede	671	Rust	2025-02-11 08:45:25
5	Alexander Berntsson	900	Rust	2025-02-10 12:56:43
6	Joshua Freudenhammer	924	Rust	2025-09-29 03:06:35
7	Viktor Bergström	1083	Rust	2024-02-09 06:56:10
8	Vilhelm Melkstam	1095	Rust	2022-02-08 09:59:07
9	Alice Ryhl	1511	Rust	2023-03-10 17:07:25
10	Muhammad Rais Fathin Mudzakir	4459	Rust	2021-06-05 20:48:44

Solution running time distribution