Problem A
Three Digits — Problem Statistics

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Submissions	7409
Accepted submissions	1243
Submission ratio	16.78%
Authors	1037
Full solves [?]	745
Full solve Ratio	71.84%

#	User	Runtime	Language	Date
1	Alexandre Loiko	0.00 s	C	2013-04-16 21:39:29
2	Bassam Alfarhan	0.04 s	C	2013-04-19 15:49:05
3	Fredrik Atmer	0.05 s	C	2012-11-29 23:55:56
4	Markus Videll	0.05 s	C	2015-09-27 14:08:20
5	Adam Fazekas	0.05 s	C	2015-11-01 21:39:07
6	Josenildo Silva	0.05 s	C	2017-01-25 19:05:18
7	Arnar Bjarni Arnarson	0.05 s	C	2017-04-16 04:27:45
8	Jing Huang	0.05 s	C	2017-06-12 05:44:47
9	Ayoub Chegraoui	0.05 s	C	2018-03-24 13:02:56
10	Sven Rönnbäck	0.05 s	C	2025-05-11 22:06:32

#	User	Runtime	Language	Date
1	Rami Farran	0.12 s	C#	2021-05-09 11:31:52
2	Igor Stefanovic	0.23 s	C#	2023-04-01 15:04:21
3	Aidan Boisvert	0.26 s	C#	2024-12-09 22:02:27
4	Brian Scott	0.29 s	C#	2018-09-21 22:05:35
5	Christofer Ryås	0.29 s	C#	2018-10-25 12:41:25
6	Strauss Bornman	0.31 s	C#	2023-08-14 00:59:46
7	Nuwanga Rodrigo	0.40 s	C#	2025-10-05 22:09:23
8	Nisha Ravindra	0.53 s	C#	2021-10-12 00:24:58

#	User	Runtime	Language	Date
1	Norbert Voelker	0.02 s	Go	2023-03-30 23:29:51
2	Bassam Alfarhan	0.16 s	Go	2013-04-19 14:32:55

#	User	Runtime	Language	Date
1	Hidden user	0.38 s	Haskell	2022-02-03 06:24:36
2	Joakim Blikstad	0.82 s	Haskell	2015-11-18 17:53:21

#	User	Runtime	Language	Date
1	Alexandre Loiko	0.05 s	Java	2013-04-11 22:02:13
2	Anders Ye	0.07 s	Java	2014-04-09 15:13:52
3	Axel Lewenhaupt	0.11 s	Java	2013-04-16 00:12:00
4	Bassam Alfarhan	0.11 s	Java	2013-04-19 14:27:38
5	Nguyễn Mạnh Phúc	0.11 s	Java	2015-10-28 06:07:08
6	Stela Palii	0.11 s	Java	2018-03-05 00:06:04
7	Herman Appelgren	0.11 s	Java	2018-07-22 17:04:18
8	Fredrik Atmer	0.12 s	Java	2012-11-30 00:12:36
9	Erik Odenman	0.12 s	Java	2013-04-13 16:27:17
10	Martin Wiberg Petersen	0.12 s	Java	2016-06-30 11:35:59

#	User	Runtime	Language	Date
1	Sigve Hortemo Sæther	0.68 s	JavaScript (Node.js)	2021-05-18 11:47:38

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.71 s	JavaScript (SpiderMonkey)	2023-07-05 09:22:43
2	Christian Pilegaard Cederquist	0.95 s	JavaScript (SpiderMonkey)	2023-10-22 14:23:32

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

#	User	Runtime	Language	Date
1	Phường Lên	0.22 s	Kotlin	2020-03-04 18:06:50
2	Dayan Ruben Gonzalez	0.23 s	Kotlin	2020-09-29 22:18:08
3	Adam Koprowski	0.30 s	Kotlin	2021-06-25 22:26:01
4	Adam Rankin	0.31 s	Kotlin	2023-10-11 06:34:43
5	Hidden user	0.47 s	Kotlin	2020-03-04 18:19:07

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Python 2	2017-04-15 13:24:15
2	Lars Åström	0.13 s	Python 2	2019-11-01 08:52:01
3	Ayoub Chegraoui	0.15 s	Python 2	2018-03-24 12:37:33
4	Riko Jacob	0.16 s	Python 2	2023-03-11 02:26:41
5	Markus Videll	0.18 s	Python 2	2015-09-27 13:25:36
6	Andreas Björklund	0.20 s	Python 2	2021-05-02 12:10:06
7	Kasper Borys	0.21 s	Python 2	2017-11-17 11:22:33
8	Joakim Uddholm	0.22 s	Python 2	2014-09-22 17:43:49
9	Andreas Serra	0.25 s	Python 2	2014-04-02 23:01:42
10	Minh Phúc Lê	0.57 s	Python 2	2018-03-26 14:36:05

#	User	Runtime	Language	Date
1	Mikael Florén	0.02 s	Python 3	2014-09-20 15:38:12
2	Jack Meyer Garvey	0.04 s	Python 3	2022-11-06 09:49:47
3	Rafael Kristoforus Yanto	0.04 s	Python 3	2025-02-05 00:15:31
4	Mohamed Ihssane Tahri	0.06 s	Python 3	2020-02-14 17:08:44
5	Vincent Tandya	0.06 s	Python 3	2021-03-12 10:18:41
6	Erik Mattfolk	0.06 s	Python 3	2021-10-02 12:13:36
7	Viacheslav Primenko	0.06 s	Python 3	2021-10-19 20:34:10
8	Willis Erdman	0.06 s	Python 3	2026-03-24 21:49:52
9	Glen Lim	0.07 s	Python 3	2020-11-26 22:32:01
10	Jens Bloemen	0.07 s	Python 3	2022-04-06 07:43:04

#	User	Runtime	Language	Date
1	Muhammad Rais Fathin Mudzakir	0.05 s	Rust	2021-06-05 22:48:44
2	Vilhelm Melkstam	0.05 s	Rust	2022-02-08 10:59:07
3	Viktor Bergström	0.05 s	Rust	2024-02-09 07:56:10
4	Leo Jarhede	0.05 s	Rust	2025-02-11 09:45:25
5	Joshua Freudenhammer	0.05 s	Rust	2025-09-29 05:06:35
6	Katherine Freudenhammer	0.05 s	Rust	2025-09-29 17:53:11
7	Alice Ryhl	0.07 s	Rust	2023-03-10 18:07:25
8	Hjalte Nannestad	0.17 s	Rust	2023-03-10 17:14:41
9	Alexander Berntsson	0.24 s	Rust	2025-02-10 13:56:43
10	Jeremy Lim	0.27 s	Rust	2023-11-26 15:37:30

#	User	Length	Language	Date
1	Adam Fazekas	384	C	2015-11-01 21:39:07
2	Magnus August McCubbin	399	C	2023-03-10 18:32:28
3	Arnar Bjarni Arnarson	461	C	2017-04-16 04:27:45
4	Fredrik Atmer	467	C	2012-11-30 00:05:18
5	Jing Huang	533	C	2017-06-12 05:44:47
6	Mirel Cosulschi	535	C	2024-01-03 08:48:45
7	Josenildo Silva	578	C	2017-01-25 19:05:18
8	Marcus Larsson	581	C	2013-04-16 18:38:21
9	Bassam Alfarhan	663	C	2013-04-19 15:49:05
10	Wade Costa	709	C	2022-11-05 23:15:14

#	User	Length	Language	Date
1	Aidan Boisvert	744	C#	2024-12-06 09:59:24
2	Nuwanga Rodrigo	768	C#	2025-10-05 22:09:23
3	Nisha Ravindra	808	C#	2021-10-12 19:01:54
4	Brian Scott	866	C#	2018-09-21 22:05:35
5	Strauss Bornman	985	C#	2023-08-14 00:59:46
6	Christofer Ryås	1367	C#	2018-10-25 12:41:25
7	Igor Stefanovic	1480	C#	2023-04-01 15:24:25
8	Rami Farran	2926	C#	2021-05-09 11:31:52

#	User	Length	Language	Date
1	Herman Karlsson	317	C++	2017-01-11 10:43:40
2	Hidden user	318	C++	2024-02-02 02:09:45
3	Admasu Abera	329	C++	2021-04-20 15:05:28
4	Aayush Aggarwal	336	C++	2018-01-26 21:47:20
5	Simon Lindholm	348	C++	2015-09-16 21:50:46
6	Adam Fazekas	371	C++	2015-10-19 02:57:13
7	Habibur rahman	380	C++	2024-06-22 05:06:55
8	Hadia Khan	383	C++	2025-01-16 18:16:41
9	Nicolai Robinson	399	C++	2023-03-10 18:35:14
10	Braydon Willms	402	C++	2021-02-04 07:17:09

#	User	Length	Language	Date
1	Bassam Alfarhan	634	Go	2013-04-19 14:32:55
2	Norbert Voelker	1021	Go	2023-03-30 23:29:51

#	User	Length	Language	Date
1	Joakim Blikstad	355	Haskell	2015-11-18 17:56:22
2	Hidden user	849	Haskell	2022-02-03 06:02:23

#	User	Length	Language	Date
1	Simon Klein	475	Java	2013-04-09 16:20:47
2	Duncan Page	612	Java	2019-03-18 23:37:34
3	Pedro Contipelli	633	Java	2017-02-27 17:45:02
4	Haoyue Zhu	646	Java	2014-10-15 17:34:16
5	Fredrik Atmer	670	Java	2012-11-30 00:12:36
6	Alvin Yan	677	Java	2018-07-30 03:04:13
7	Doug Goodman	697	Java	2018-05-29 18:18:58
8	Jaycent Sarion	705	Java	2023-08-02 00:09:54
9	Ivey Jane Bon	705	Java	2023-08-16 04:47:34
10	Sandha Pyae Sone	705	Java	2024-02-08 18:48:16

#	User	Length	Language	Date
1	Sigve Hortemo Sæther	1276	JavaScript (Node.js)	2021-05-18 11:47:38

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	406	JavaScript (SpiderMonkey)	2023-10-22 14:23:32
2	Bjørn Chr. Soltvedt	33222	JavaScript (SpiderMonkey)	2023-07-05 09:22:43

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

#	User	Length	Language	Date
1	Dayan Ruben Gonzalez	664	Kotlin	2020-09-29 22:30:38
2	Phường Lên	783	Kotlin	2020-03-04 18:06:50
3	Hidden user	818	Kotlin	2020-03-04 18:19:07
4	Adam Rankin	828	Kotlin	2023-10-11 06:34:43
5	Adam Koprowski	894	Kotlin	2021-06-25 22:26:01

#	User	Length	Language	Date
1	Andreas Björklund	302	Python 2	2021-05-02 12:10:06
2	Kasper Borys	324	Python 2	2017-11-17 11:22:33
3	Ayoub Chegraoui	364	Python 2	2018-03-24 12:37:33
4	Riko Jacob	418	Python 2	2023-03-11 02:26:41
5	Lars Åström	433	Python 2	2019-11-01 08:52:01
6	Hidden user	485	Python 2	2017-04-15 10:42:41
7	Joakim Uddholm	599	Python 2	2014-09-22 16:58:41
8	Haitong Yang	911	Python 2	2017-08-06 16:58:27
9	Markus Videll	1095	Python 2	2015-09-27 13:25:36
10	Minh Phúc Lê	1218	Python 2	2018-03-26 14:35:18

#	User	Length	Language	Date
1	Gustav Elmqvist	89	Python 3	2023-03-22 01:14:35
2	Thomas Feld	92	Python 3	2023-03-28 11:50:09
3	Anton Nilsson	94	Python 3	2025-02-08 19:32:35
4	Si Jie Tan	102	Python 3	2026-01-24 03:50:08
5	Morgan Nordberg	132	Python 3	2025-02-11 15:58:36
6	Markus Mathiasen	135	Python 3	2023-08-21 14:53:48
7	Jia Qing Lim	136	Python 3	2024-01-16 14:43:22
8	Shen Licong	142	Python 3	2024-03-30 17:46:18
9	Ng Tze Henn	144	Python 3	2023-10-28 16:16:49
10	Artemis Ngoh	148	Python 3	2023-07-02 15:04:11

#	User	Length	Language	Date
1	Jeremy Lim	522	Rust	2023-11-26 15:37:30
2	Hjalte Nannestad	555	Rust	2023-03-10 17:14:41
3	Katherine Freudenhammer	625	Rust	2025-09-29 17:53:11
4	Leo Jarhede	671	Rust	2025-02-11 09:45:25
5	Alexander Berntsson	900	Rust	2025-02-10 13:56:43
6	Joshua Freudenhammer	924	Rust	2025-09-29 05:06:35
7	Viktor Bergström	1083	Rust	2024-02-09 07:56:10
8	Vilhelm Melkstam	1095	Rust	2022-02-08 10:59:07
9	Alice Ryhl	1511	Rust	2023-03-10 18:07:25
10	Muhammad Rais Fathin Mudzakir	4459	Rust	2021-06-05 22:48:44

Solution running time distribution