Problem C
Older Brother — Problem Statistics

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Submissions	3125
Accepted submissions	1028
Submission ratio	32.90%
Authors	952
Full solves [?]	824
Full solve Ratio	86.55%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.04 s	Bash	2025-10-16 15:07:10

#	User	Runtime	Language	Date
1	Bas te Kolste	0.01 s	C#	2016-11-20 16:10:24
2	Max	0.04 s	C#	2023-05-04 18:17:06
3	Erik van Holland	0.05 s	C#	2018-08-15 20:02:33

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.06 s	F#	2023-05-31 18:46:05

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-11-30 22:40:07

#	User	Runtime	Language	Date
1	Patrik Lilja	0.00 s	Haskell	2016-11-21 20:27:59
2	Brent Yorgey	0.00 s	Haskell	2017-11-19 22:17:07
3	Steinar Simonnes	0.00 s	Haskell	2025-01-28 09:10:42
4	Fran Cruz Zamorano	0.01 s	Haskell	2018-09-01 00:38:40
5	Teikn Smith	0.01 s	Haskell	2021-09-11 09:38:55
6	Frederik Haagensen	0.21 s	Haskell	2019-03-11 15:55:04

#	User	Runtime	Language	Date
1	Thanh Nhan Nguyen	0.04 s	Java	2024-11-06 20:50:08
2	Pham Minh Tuan Bui	0.04 s	Java	2024-11-07 15:27:30
3	Long Nguyen Manh Thanh	0.04 s	Java	2024-11-11 23:14:51
4	James H. Tran	0.04 s	Java	2024-11-12 07:31:42
5	Måns Magnusson	0.05 s	Java	2016-11-13 10:32:32
6	Martijn Muijsers	0.05 s	Java	2016-11-14 00:31:59
7	Veronica Gunn	0.05 s	Java	2016-11-19 00:20:04
8	Micah Stairs	0.05 s	Java	2016-11-27 22:37:26
9	Erik Baalhuis	0.05 s	Java	2017-04-18 14:53:15
10	Liam Keliher	0.05 s	Java	2017-04-19 08:18:40

#	User	Runtime	Language	Date
1	Gurpartap Singh Bhatti	0.06 s	JavaScript (Node.js)	2019-03-30 00:09:37

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-11-13 19:21:45
2	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-05-29 22:41:51

#	User	Runtime	Language	Date
1	Hidden user	0.28 s	Julia	2025-04-26 21:56:27
2	Timothy Gaede	0.57 s	Julia	2024-05-29 17:29:46

#	User	Runtime	Language	Date
1	Hidden user	0.14 s	Kotlin	2021-04-28 10:33:22
2	Adam Rankin	0.17 s	Kotlin	2023-09-13 03:40:15
3	Phường Lên	0.21 s	Kotlin	2020-02-10 02:28:52
4	Ali M. Nekoh	0.21 s	Kotlin	2025-05-13 20:59:54
5	Hidden user	0.22 s	Kotlin	2020-02-23 07:42:08

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.03 s	Prolog	2019-06-28 14:18:54

#	User	Runtime	Language	Date
1	Henrik Adolfsson	0.03 s	Python 2	2016-11-26 10:25:46
2	Hermon Mulat	0.03 s	Python 2	2017-02-07 14:58:51
3	Christopher Nathaniel Walker	0.03 s	Python 2	2017-02-18 19:47:11
4	Kasper Borys	0.03 s	Python 2	2017-02-18 23:11:46
5	Michael	0.03 s	Python 2	2017-10-14 17:00:15
6	Sigurður Jens Albertsson	0.03 s	Python 2	2018-03-21 14:40:16
7	Erik Tjøswold	0.03 s	Python 2	2019-01-02 10:16:09
8	Herbert Ilhan Tanujaya	0.03 s	Python 2	2019-03-24 14:40:08
9	Lars Åström	0.03 s	Python 2	2019-05-09 20:22:35
10	Andreas Björklund	0.03 s	Python 2	2019-05-20 16:40:58

#	User	Runtime	Language	Date
1	Christian Lindeström	0.02 s	Python 3	2016-11-14 00:04:38
2	Asger Hautop Drewsen	0.02 s	Python 3	2016-11-29 18:56:02
3	Josenildo Silva	0.02 s	Python 3	2017-01-30 00:58:34
4	Bo Bergelin	0.02 s	Python 3	2017-03-19 10:44:12
5	Leon Kennedy	0.02 s	Python 3	2017-08-02 20:05:18
6	Ciara Godwin	0.02 s	Python 3	2017-10-04 01:40:57
7	James Hamm	0.02 s	Python 3	2017-11-03 18:01:12
8	Jarik Karsten	0.02 s	Python 3	2017-11-27 14:22:41
9	Ram Basnet	0.02 s	Python 3	2018-03-17 21:27:29
10	Andre Pratama	0.02 s	Python 3	2018-03-21 00:57:34

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	Ruby	2020-08-17 03:44:40
2	Thomas Feld	0.06 s	Ruby	2025-10-15 12:29:35

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Rust	2019-05-23 05:47:26
2	Robin Björklin	0.00 s	Rust	2019-05-28 03:44:27
3	Klas af Geijerstam	0.00 s	Rust	2020-10-17 17:12:44
4	Isak Jägberg	0.00 s	Rust	2022-01-02 15:43:09
5	Bas Dirks	0.00 s	Rust	2022-02-03 13:43:49
6	Vincent Lagerros	0.00 s	Rust	2024-12-09 23:49:43

#	User	Length	Language	Date
1	Chenzhang Hu	48	Bash	2025-10-16 15:07:10

#	User	Length	Language	Date
1	Mirel Cosulschi	354	C	2024-07-30 21:18:10
2	Martin Jackson	414	C	2017-05-27 03:52:30
3	Ivan Petrov	502	C	2019-03-28 15:56:38
4	Olav Røthe Bakken	544	C	2017-11-17 17:27:18
5	Leslie Yip	766	C	2022-09-27 05:04:40
6	Ng Wei Jie	777	C	2020-02-18 13:46:01
7	Chirag Chawla	777	C	2024-06-07 22:03:35
8	Farhad Cader	777	C	2024-06-11 07:24:43
9	Avinash Kumar Luhana	777	C	2024-06-12 17:53:22
10	Ibrahim Malik	785	C	2021-01-27 17:55:16

#	User	Length	Language	Date
1	Bas te Kolste	725	C#	2016-11-20 16:10:24
2	Max	2161	C#	2023-05-04 18:17:06
3	Erik van Holland	2866	C#	2018-08-15 20:02:33

#	User	Length	Language	Date
1	Frans Meulenbroeks	245	C++	2024-11-02 14:28:35
2	Ragur Krishnan	248	C++	2019-05-16 06:09:01
3	Hidden user	280	C++	2020-03-27 22:21:01
4	Mouad Naciri	308	C++	2017-08-14 00:01:16
5	Johan Wind	322	C++	2017-06-04 01:13:59
6	Marcel Wienöbst	326	C++	2016-11-23 12:55:24
7	Julian La	337	C++	2016-11-13 10:07:30
8	William Gan	342	C++	2018-01-02 17:01:38
9	Viet Tran	344	C++	2019-10-10 11:38:41
10	Nguyễn Hà	352	C++	2018-03-06 06:39:28

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	644	F#	2023-05-31 18:46:05

#	User	Length	Language	Date
1	Norbert Voelker	1473	Go	2021-11-30 22:40:07

#	User	Length	Language	Date
1	Patrik Lilja	532	Haskell	2016-11-21 20:27:59
2	Frederik Haagensen	756	Haskell	2019-03-11 15:55:04
3	Brent Yorgey	845	Haskell	2017-11-19 22:17:07
4	Teikn Smith	909	Haskell	2021-09-11 09:38:55
5	Fran Cruz Zamorano	8641	Haskell	2018-09-01 00:38:40
6	Steinar Simonnes	124382	Haskell	2025-01-28 09:10:42

#	User	Length	Language	Date
1	Doug Goodman	369	Java	2018-03-07 20:25:30
2	Pedro Contipelli	462	Java	2017-07-23 19:55:12
3	Alex Coleman	492	Java	2017-03-02 19:06:34
4	Spencer Compton	510	Java	2016-11-19 00:25:37
5	Daniel Xie	516	Java	2017-08-12 20:55:45
6	Veronica Gunn	560	Java	2016-11-19 00:20:04
7	Marcel Wienöbst	625	Java	2016-11-23 12:31:55
8	Toan Tran Ngoc Anh	625	Java	2024-11-07 09:22:12
9	Trương Thanh Hải	641	Java	2024-11-07 14:55:17
10	Minh Ton That Nhat	644	Java	2024-11-12 00:58:23

#	User	Length	Language	Date
1	Gurpartap Singh Bhatti	801	JavaScript (Node.js)	2019-03-30 00:09:37

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	2372	JavaScript (SpiderMonkey)	2023-05-29 22:41:51
2	Bjørn Chr. Soltvedt	59489	JavaScript (SpiderMonkey)	2016-11-13 19:21:45

#	User	Length	Language	Date
1	Hidden user	578	Julia	2025-04-26 21:56:27
2	Timothy Gaede	1602	Julia	2024-05-29 17:29:46

#	User	Length	Language	Date
1	Hidden user	474	Kotlin	2021-04-28 10:33:22
2	Phường Lên	636	Kotlin	2020-02-10 02:28:52
3	Ali M. Nekoh	784	Kotlin	2025-05-13 20:59:54
4	Hidden user	807	Kotlin	2020-02-23 07:42:08
5	Adam Rankin	1016	Kotlin	2023-09-13 03:40:15

#	User	Length	Language	Date
1	Andriy Zyevakov	1002	Prolog	2019-06-28 14:18:54

#	User	Length	Language	Date
1	Lars Åström	240	Python 2	2019-05-09 20:22:35
2	David Nilsson	243	Python 2	2019-12-01 10:51:18
3	Fredrik Horn Dannert	262	Python 2	2021-03-20 13:17:07
4	Björn Magnusson	266	Python 2	2021-03-13 10:37:38
5	Henrik Adolfsson	311	Python 2	2016-11-26 10:25:46
6	Erik Tjøswold	331	Python 2	2019-01-02 10:16:09
7	Herbert Ilhan Tanujaya	338	Python 2	2019-03-24 14:40:08
8	Kasper Borys	368	Python 2	2017-02-18 23:18:54
9	Michael	381	Python 2	2017-10-14 17:00:15
10	Thomas Feld	391	Python 2	2020-08-18 09:31:59

#	User	Length	Language	Date
1	Peter Stauder	130	Python 3	2023-02-18 18:34:30
2	David Aldenbro	147	Python 3	2025-10-20 21:43:29
3	Evan Rose	152	Python 3	2023-04-29 07:01:33
4	Ahmed Chamseddine	160	Python 3	2025-02-03 12:31:47
5	Hidden user	174	Python 3	2022-08-27 00:06:30
6	Farzam Abrishami	180	Python 3	2024-01-27 22:26:37
7	Jason Cannon	191	Python 3	2020-01-07 18:09:58
8	Bjørn Dons	205	Python 3	2018-11-03 20:52:50
9	Kattis Speedrun	216	Python 3	2022-07-22 00:37:08
10	Tobias Glimmerfors	217	Python 3	2022-08-07 15:42:25

#	User	Length	Language	Date
1	Thomas Feld	41	Ruby	2025-10-15 12:29:35
2	Hidden user	99	Ruby	2020-08-17 03:44:40

#	User	Length	Language	Date
1	Hidden user	915	Rust	2019-05-23 06:33:50
2	Isak Jägberg	1139	Rust	2022-01-02 15:43:09
3	Robin Björklin	1681	Rust	2019-05-28 03:44:27
4	Bas Dirks	1827	Rust	2022-02-03 13:43:49
5	Vincent Lagerros	1852	Rust	2024-12-09 23:49:43
6	Klas af Geijerstam	5293	Rust	2020-10-17 17:12:44

Solution running time distribution