Problem F
Chatter — Problem Statistics

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Submissions	975
Accepted submissions	417
Submission ratio	42.77%
Authors	308
Full solves [?]	264
Full solve Ratio	85.71%

#	User	Runtime	Language	Date
1	John Barczynski	0.15 s	C	2018-01-24 23:29:26
2	Alexander Bilde Pedersen	0.15 s	C	2023-07-12 21:49:26
3	Bergur Snorrason	0.17 s	C	2019-10-25 16:36:33
4	Eyleifur Bjarkason	0.18 s	C	2019-10-25 21:37:40
5	Mirel Cosulschi	0.20 s	C	2025-04-13 20:33:21

#	User	Runtime	Language	Date
1	Alexander Kravberg	0.10 s	C++	2023-07-29 00:21:27
2	Armen Andreasyan	0.15 s	C++	2023-05-09 08:21:05
3	Kush Nayak	0.15 s	C++	2024-04-04 19:56:04
4	Hidden user	0.15 s	C++	2025-03-01 15:43:45
5	Dmitry Lyubshin	0.16 s	C++	2018-07-06 00:41:24
6	Ghazal Rabiei	0.16 s	C++	2026-02-01 11:46:18
7	Hidden user	0.17 s	C++	2017-06-26 07:01:26
8	Vincent Tandya	0.17 s	C++	2021-06-05 16:32:02
9	Hussein Taher	0.17 s	C++	2021-08-02 20:38:15
10	Stephen Lu	0.17 s	C++	2023-01-14 08:29:54

#	User	Runtime	Language	Date
1	Ari Páll Agnarsson	1.75 s	Common Lisp	2021-02-25 21:21:57

#	User	Runtime	Language	Date
1	Hidden user	1.97 s	Haskell	2022-01-27 05:12:43

#	User	Runtime	Language	Date
1	Bjørn Dons	0.31 s	Java	2018-12-02 07:56:19
2	Sven Rönnbäck	0.39 s	Java	2023-08-12 11:19:33
3	Crystal Sharpe	0.51 s	Java	2020-05-17 21:52:50
4	Mohamed Faez Bin Shahlan	0.67 s	Java	2023-03-11 06:50:53
5	Liam Keliher	0.68 s	Java	2020-05-15 04:27:00
6	Olav Røthe Bakken	0.76 s	Java	2018-01-25 15:50:03
7	Eric Leow Yu Quan	0.86 s	Java	2021-04-29 04:44:17
8	Brent Yorgey	0.88 s	Java	2021-02-21 21:19:21
9	Finn Lidbetter	0.93 s	Java	2016-09-06 12:04:50
10	Steinar Logi Geirsson	0.94 s	Java	2021-02-22 22:07:22

#	User	Runtime	Language	Date
1	Robert M	1.63 s	Kotlin	2023-03-14 20:45:06

#	User	Runtime	Language	Date
1	Martin Jackson	0.68 s	Python 2	2016-07-29 02:33:40
2	Hasan Kalzi	0.85 s	Python 2	2026-01-29 21:30:03
3	John Barczynski	1.37 s	Python 2	2018-01-24 19:36:47
4	Kevin Tang	1.63 s	Python 2	2019-10-03 00:29:34

#	User	Runtime	Language	Date
1	Sivamurugan Velmurugan	0.65 s	Python 3	2025-11-08 18:25:37
2	Andrew Arthur	0.71 s	Python 3	2026-03-18 22:04:12
3	Peter Ton	0.77 s	Python 3	2025-05-25 20:15:49
4	Sindri Unnsteinsson	0.80 s	Python 3	2021-02-25 19:02:35
5	Alex Liu	0.80 s	Python 3	2024-04-05 04:54:55
6	Rohan Potru	0.81 s	Python 3	2024-02-11 22:05:17
7	Hasan Kalzi	0.82 s	Python 3	2026-01-29 21:10:44
8	Ryan Tan	0.85 s	Python 3	2022-10-23 06:52:53
9	Prakhar Gandhi	0.86 s	Python 3	2023-09-05 07:20:39
10	Kevin Huang	0.87 s	Python 3	2024-04-05 02:32:24

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.14 s	Rust	2025-07-12 12:49:50
2	Artur Khuziakhmetov	0.19 s	Rust	2025-11-17 10:25:12
3	Elias Rilegård	0.23 s	Rust	2026-02-01 18:04:46
4	Iker Lissarrague	0.46 s	Rust	2023-08-22 22:30:09
5	Lukas Dutrieux	0.62 s	Rust	2025-11-13 19:55:26

#	User	Length	Language	Date
1	Mirel Cosulschi	1598	C	2025-04-13 20:33:21
2	Alexander Bilde Pedersen	1643	C	2023-07-12 21:47:08
3	John Barczynski	2212	C	2018-01-24 23:29:26
4	Bergur Snorrason	2319	C	2021-02-17 10:01:54
5	Eyleifur Bjarkason	6711	C	2019-10-25 21:37:40

#	User	Length	Language	Date
1	Teikn Smith	611	C++	2024-08-29 23:36:38
2	Markus Mathiasen	892	C++	2021-11-04 08:12:51
3	Armen Andreasyan	970	C++	2023-05-09 08:21:05
4	Arnar Ágúst Kristjánsson	988	C++	2021-02-24 14:31:00
5	Johan Wind	996	C++	2019-02-05 23:44:04
6	Nikola Stojkovski	1023	C++	2024-06-13 08:21:46
7	Hidden user	1034	C++	2019-04-24 01:28:58
8	Hidden user	1070	C++	2024-02-11 19:24:08
9	Caeden Whitaker	1109	C++	2021-07-07 06:12:53
10	ZeroCool	1114	C++	2024-06-12 14:34:15

#	User	Length	Language	Date
1	Ari Páll Agnarsson	9634	Common Lisp	2021-02-25 22:27:12

#	User	Length	Language	Date
1	Hidden user	3746	Haskell	2022-01-27 05:12:43

#	User	Length	Language	Date
1	Hidden user	1531	Java	2016-04-20 23:39:58
2	Eric Leow Yu Quan	1591	Java	2021-04-29 04:44:17
3	Doug Goodman	1661	Java	2021-03-18 13:48:29
4	Crystal Sharpe	1759	Java	2020-05-17 21:52:50
5	Kevin Zhao	2406	Java	2024-02-11 19:39:17
6	Justin Chang	2789	Java	2024-02-11 21:46:34
7	Olav Røthe Bakken	2802	Java	2018-01-25 15:50:03
8	Steinar Logi Geirsson	2885	Java	2021-02-22 19:31:33
9	Finn Lidbetter	2918	Java	2016-09-06 12:04:50
10	Mohamed Faez Bin Shahlan	2993	Java	2023-03-11 06:50:53

#	User	Length	Language	Date
1	Robert M	2584	Kotlin	2023-03-14 20:45:06

#	User	Length	Language	Date
1	Kevin Tang	1165	Python 2	2019-10-03 00:29:34
2	Martin Jackson	1704	Python 2	2016-07-29 02:33:40
3	John Barczynski	2201	Python 2	2018-01-24 19:36:47
4	Hasan Kalzi	2514	Python 2	2026-01-29 21:30:03

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	703	Python 3	2020-02-03 13:42:17
2	George Zhang	727	Python 3	2025-05-25 23:23:57
3	Kelly Dance	779	Python 3	2023-04-20 01:38:11
4	Iman Khodadi	1050	Python 3	2025-01-08 16:35:10
5	Andrew Arthur	1088	Python 3	2026-03-18 22:07:52
6	Sindri Unnsteinsson	1130	Python 3	2021-02-25 19:02:35
7	Blake Herrera	1201	Python 3	2022-11-20 04:44:29
8	Casper Rysgaard	1233	Python 3	2021-03-23 18:07:46
9	Rishi Shekhar	1336	Python 3	2025-11-14 02:37:53
10	Gaelan McMillan	1368	Python 3	2025-05-25 20:43:22

#	User	Length	Language	Date
1	Artur Khuziakhmetov	1643	Rust	2025-11-18 05:53:47
2	Elias Rilegård	2679	Rust	2026-02-01 18:04:46
3	Iker Lissarrague	2865	Rust	2023-08-22 22:30:09
4	Lukas Dutrieux	3393	Rust	2025-11-13 19:55:26
5	Vincent Lagerros	12714	Rust	2024-07-17 17:48:00

Solution running time distribution