Problem A
Guess the Numbers — Problem Statistics

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Submissions	887
Accepted submissions	206
Submission ratio	23.22%
Authors	233
Accepted authors	122
Author ratio	52.36%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.01 s	C	2019-07-29 09:41:21
2	Hidden user	0.01 s	C	2021-11-18 13:28:57
3	Bergur Snorrason	0.02 s	C	2019-07-12 01:32:36

#	User	Runtime	Language	Date
1	Per Persson	0.01 s	C++	2016-11-09 17:28:01
2	Antonio Molina Lovett	0.01 s	C++	2016-12-17 05:32:55
3	Viraj Maddur	0.01 s	C++	2017-01-29 05:21:51
4	Lin Lee	0.01 s	C++	2017-06-04 06:40:10
5	Francesco Milizia	0.01 s	C++	2017-08-10 17:02:53
6	Steven Halim	0.01 s	C++	2017-10-06 17:19:17
7	Vincent Chow Zhi Yang	0.01 s	C++	2018-05-28 17:06:29
8	Yi Rong	0.01 s	C++	2018-09-30 22:27:27
9	Wang Zhi Jian	0.01 s	C++	2019-03-26 12:19:25
10	Henry Jayakusuma	0.01 s	C++	2019-03-29 11:44:25

#	User	Runtime	Language	Date
1	Ryan Yates	0.11 s	Haskell	2019-05-10 03:52:58

#	User	Runtime	Language	Date
1	Bjørn Dons	0.11 s	Java	2018-11-22 03:07:50
2	Liam Keliher	0.17 s	Java	2020-02-15 21:02:24
3	Jacob Harris Cryer Kragh	0.19 s	Java	2023-09-26 19:50:46
4	Andrew Polizzotto	0.21 s	Java	2021-01-03 11:33:11
5	Doug Goodman	0.25 s	Java	2019-04-20 16:07:08
6	Taras Romanyuk	0.28 s	Java	2025-01-26 01:32:46
7	Micah Stairs	0.29 s	Java	2016-09-29 16:05:05
8	Crystal Sharpe	0.35 s	Java	2020-02-28 02:14:49
9	Bryan Jin	0.37 s	Java	2018-10-02 22:04:41
10	Andy Phan	0.42 s	Java	2019-04-12 04:10:58

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.51 s	JavaScript (Node.js)	2018-06-13 08:14:10

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.08 s	JavaScript (SpiderMonkey)	2022-08-14 22:18:52
2	Peter Kedemo	0.28 s	JavaScript (SpiderMonkey)	2016-04-14 15:21:47
3	Bjørn Chr. Soltvedt	0.51 s	JavaScript (SpiderMonkey)	2016-02-17 22:35:44

#	User	Runtime	Language	Date
1	Andreas Björklund	0.32 s	Python 2	2020-09-04 18:34:00
2	William Fiset	0.38 s	Python 2	2016-09-29 03:02:42
3	Hidden user	0.53 s	Python 2	2019-02-14 22:05:25

#	User	Runtime	Language	Date
1	Hidden user	0.15 s	Python 3	2025-07-09 09:07:22
2	Nicholas Russell Saerang	0.16 s	Python 3	2023-07-09 04:29:19
3	Ryan Tan	0.17 s	Python 3	2022-03-12 15:41:48
4	Nam Pham Nguyen Quy	0.17 s	Python 3	2023-11-28 00:14:42
5	Vincent Tandya	0.18 s	Python 3	2021-05-07 08:55:10
6	Máni Eiðsson	0.18 s	Python 3	2024-04-23 21:24:38
7	Goh Teng Fong	0.19 s	Python 3	2025-05-08 16:52:57
8	Alfred Olsson	0.29 s	Python 3	2018-01-11 22:35:19
9	Hidden user	0.29 s	Python 3	2021-10-30 17:46:41
10	Radvilas Rumšas	0.32 s	Python 3	2024-11-02 09:59:44

#	User	Runtime	Language	Date
1	Lars Tveito	0.02 s	Rust	2022-04-16 17:11:49
2	Bjørn Chr. Soltvedt	0.59 s	Rust	2019-03-08 14:13:56

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.61 s	TypeScript	2023-06-12 20:26:13

#	User	Length	Language	Date
1	Hidden user	2103	C	2021-11-18 13:28:57
2	Ivan Petrov	2998	C	2019-07-29 09:41:21
3	Bergur Snorrason	3506	C	2019-07-12 01:32:36

#	User	Length	Language	Date
1	Artemis Ngoh	834	C++	2023-08-29 14:25:39
2	Dmitry Lyubshin	918	C++	2023-07-06 16:42:47
3	Antonio Molina Lovett	1145	C++	2016-12-17 05:32:55
4	Francesco Milizia	1151	C++	2017-08-10 17:02:53
5	Gergely Dániel Péter	1187	C++	2025-07-18 12:22:52
6	Thái Trung Đức	1223	C++	2016-11-07 16:30:23
7	Jeremy Lim	1238	C++	2024-10-08 10:07:48
8	Steven Halim	1239	C++	2017-10-06 17:19:17
9	Johan Sannemo	1260	C++	2015-10-20 19:07:29
10	Hidden user	1267	C++	2019-03-26 10:12:49

#	User	Length	Language	Date
1	Ryan Yates	1287	Haskell	2019-05-10 03:52:58

#	User	Length	Language	Date
1	Andy Phan	2518	Java	2019-04-12 04:10:58
2	Crystal Sharpe	2843	Java	2020-02-28 02:14:49
3	Andrew Polizzotto	3260	Java	2021-01-03 11:33:11
4	Bryan Jin	3373	Java	2018-10-02 22:04:41
5	Micah Stairs	3376	Java	2016-09-29 16:05:05
6	Doug Goodman	3850	Java	2019-04-20 16:07:08
7	Harokou Jishou	4085	Java	2024-08-05 15:38:03
8	Taras Romanyuk	4270	Java	2025-01-26 01:32:46
9	Jacob Harris Cryer Kragh	4672	Java	2023-09-26 19:50:46
10	Anders Österberg	4719	Java	2021-11-18 14:19:14

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	6003	JavaScript (Node.js)	2018-06-13 08:14:10

#	User	Length	Language	Date
1	Jimmy Gustafsson	1731	JavaScript (SpiderMonkey)	2022-08-14 22:18:52
2	Peter Kedemo	3102	JavaScript (SpiderMonkey)	2016-04-14 15:21:47
3	Bjørn Chr. Soltvedt	5979	JavaScript (SpiderMonkey)	2016-02-17 22:35:44

#	User	Length	Language	Date
1	Hidden user	836	Python 2	2019-02-14 22:05:25
2	Andreas Björklund	1284	Python 2	2020-09-04 18:34:00
3	William Fiset	30487	Python 2	2016-09-29 03:02:42

#	User	Length	Language	Date
1	Dmitry Lyubshin	357	Python 3	2023-07-06 17:10:51
2	Matthew Freestone	439	Python 3	2024-01-25 04:46:03
3	Rasmus Borup Hansen	465	Python 3	2021-03-13 11:02:32
4	Alfred Olsson	524	Python 3	2018-01-11 22:35:19
5	Hidden user	551	Python 3	2023-07-16 10:02:39
6	Nick Wu	671	Python 3	2023-06-13 05:16:35
7	Bjarke Mønsted	744	Python 3	2022-07-07 16:16:42
8	Martin Berglund	773	Python 3	2022-07-28 23:57:31
9	Kristoffer Åhgren	1026	Python 3	2020-01-21 18:20:04
10	Hidden user	1032	Python 3	2020-11-20 12:31:41

#	User	Length	Language	Date
1	Lars Tveito	3297	Rust	2022-04-16 17:11:49
2	Bjørn Chr. Soltvedt	8546	Rust	2019-03-08 14:16:57

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	6003	TypeScript	2023-06-12 20:26:13

Solution running time distribution