Problem A
Granica — Problem Statistics

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Submissions	1400
Accepted submissions	445
Submission ratio	31.79%
Authors	413
Full solves [?]	311
Full solve Ratio	75.30%

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2017-05-01 01:14:31
2	Ivan Petrov	0.00 s	C	2019-08-02 08:53:20
3	Hidden user	0.00 s	C	2020-07-16 08:55:59
4	Mirel Cosulschi	0.00 s	C	2025-01-23 22:05:48

#	User	Runtime	Language	Date
1	Andreas Gabrielsson	0.05 s	C#	2024-10-17 13:36:44

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2020-07-20 22:56:07
2	Hidden user	0.01 s	Haskell	2024-10-28 21:37:45

#	User	Runtime	Language	Date
1	Simon Klein	0.05 s	Java	2013-04-19 19:38:29
2	Erik Odenman	0.05 s	Java	2013-04-25 14:01:02
3	Axel Lewenhaupt	0.06 s	Java	2013-04-22 01:14:22
4	Finn Lidbetter	0.06 s	Java	2017-07-09 17:51:28
5	Crystal Sharpe	0.06 s	Java	2021-07-19 03:29:04
6	Taras Romanyuk	0.06 s	Java	2025-01-29 19:41:52
7	Erik Baalhuis	0.07 s	Java	2017-09-02 20:03:47
8	Raymond Chin	0.07 s	Java	2022-02-21 03:04:44
9	Haoyue Zhu	0.08 s	Java	2014-10-23 00:06:38
10	Leran Cai	0.08 s	Java	2014-10-23 01:02:11

#	User	Runtime	Language	Date
1	Timothy Gaede	0.66 s	Julia	2025-05-11 05:00:26

#	User	Runtime	Language	Date
1	Jacob Huebner	0.14 s	Kotlin	2022-03-05 05:20:27

#	User	Runtime	Language	Date
1	Joakim Koljonen	0.03 s	Python 2	2016-02-14 08:59:21
2	Ethan Arnold	0.03 s	Python 2	2017-08-26 02:42:32
3	Josenildo Silva	0.03 s	Python 2	2018-07-03 04:13:44
4	Lars Åström	0.03 s	Python 2	2018-07-25 17:24:23
5	Måns Magnusson	0.03 s	Python 2	2018-07-25 19:19:23
6	Maj Stenmark	0.03 s	Python 2	2018-07-26 21:38:30
7	Hidden user	0.04 s	Python 2	2017-10-05 00:31:08
8	Andreas Björklund	0.04 s	Python 2	2020-01-08 19:15:03
9	Tomas Alvarez	0.05 s	Python 2	2017-03-29 03:21:23
10	Johan Lyts	0.05 s	Python 2	2021-08-25 14:36:24

#	User	Runtime	Language	Date
1	Alexandre Loiko	0.02 s	Python 3	2013-04-18 22:59:58
2	Ethan Partidas	0.03 s	Python 3	2017-03-29 03:11:23
3	Sarah Bassett	0.04 s	Python 3	2024-10-03 04:49:33
4	Jonathan Dastrup	0.04 s	Python 3	2024-10-06 20:58:13
5	Ari Blondal	0.04 s	Python 3	2024-11-28 01:53:00
6	Nancy Gong	0.04 s	Python 3	2024-11-28 02:20:53
7	hilal elghoulti	0.04 s	Python 3	2024-11-28 20:10:01
8	Chiringa Nom	0.04 s	Python 3	2024-11-29 02:49:10
9	Iqra Pardesi	0.04 s	Python 3	2024-11-29 02:55:14
10	Kim Soubie-Giroux	0.04 s	Python 3	2024-12-01 16:18:34

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-11-17 10:38:29

#	User	Runtime	Language	Date
1	Daniel Anker Hermansen	0.00 s	Rust	2023-06-14 19:15:44
2	Simon Reid	0.00 s	Rust	2024-09-16 02:39:10
3	Emil Hultcrantz	0.77 s	Rust	2025-04-04 17:06:01

#	User	Length	Language	Date
1	Ivan Petrov	676	C	2019-08-02 08:53:20
2	Mirel Cosulschi	735	C	2025-01-23 22:05:48
3	Hidden user	2628	C	2020-07-16 08:55:59
4	Hidden user	3442	C	2017-05-01 01:14:31

#	User	Length	Language	Date
1	Andreas Gabrielsson	900	C#	2024-10-17 13:36:44

#	User	Length	Language	Date
1	Hidden user	427	C++	2017-04-28 17:08:44
2	Way Tan	429	C++	2020-11-16 14:55:38
3	Johan Wind	438	C++	2018-09-18 00:03:54
4	Francesco Maria Petrangeli	445	C++	2025-10-24 17:51:49
5	Emil Wärnberg	472	C++	2013-04-24 21:44:22
6	พุฒิเศรษฐ์ him him him	478	C++	2024-02-03 05:51:31
7	Nick Shi	479	C++	2014-10-23 17:33:37
8	Emmanuel Anaya	480	C++	2020-08-27 20:29:47
9	Rafael Kristoforus Yanto	483	C++	2025-05-10 07:19:45
10	Xi Lin	488	C++	2015-06-12 18:30:19

#	User	Length	Language	Date
1	Hidden user	491	Haskell	2024-10-28 21:37:45
2	Brent Yorgey	4018	Haskell	2020-07-20 22:56:07

#	User	Length	Language	Date
1	Zimu Qin	793	Java	2015-07-19 19:06:49
2	Hidden user	836	Java	2017-12-02 01:19:07
3	Qritel Abdelilah	892	Java	2018-05-08 20:27:36
4	Crystal Sharpe	933	Java	2021-07-19 03:29:04
5	Leran Cai	970	Java	2014-10-23 01:02:11
6	April Chao	1041	Java	2022-02-22 00:40:29
7	Haoyue Zhu	1045	Java	2014-10-23 00:06:38
8	Frederick Vu	1058	Java	2015-10-27 16:15:50
9	Ben Reed	1124	Java	2022-02-16 08:30:52
10	Hing Lung Lam	1198	Java	2022-02-17 07:09:20

#	User	Length	Language	Date
1	Timothy Gaede	2157	Julia	2025-05-11 05:00:26

#	User	Length	Language	Date
1	Jacob Huebner	2208	Kotlin	2022-03-05 05:20:27

#	User	Length	Language	Date
1	Måns Magnusson	376	Python 2	2018-07-25 19:19:23
2	Johan Lyts	436	Python 2	2021-08-25 14:36:24
3	Hidden user	541	Python 2	2017-10-05 00:31:08
4	Joakim Koljonen	584	Python 2	2016-02-14 08:59:21
5	Josenildo Silva	619	Python 2	2018-07-03 04:13:44
6	Andreas Björklund	663	Python 2	2020-01-08 19:15:03
7	Tomas Alvarez	721	Python 2	2017-03-29 03:21:23
8	Ethan Arnold	746	Python 2	2017-08-26 02:42:32
9	Maj Stenmark	764	Python 2	2018-07-26 21:38:30
10	Lars Åström	809	Python 2	2018-07-25 17:24:23

#	User	Length	Language	Date
1	Kelly Dance	236	Python 3	2024-03-09 02:10:56
2	Yong Mao	238	Python 3	2023-11-30 02:17:57
3	Jonathan Dastrup	248	Python 3	2024-10-06 20:59:34
4	Jayden Pahukula	322	Python 3	2024-03-09 02:14:33
5	Guan Yang Ze	356	Python 3	2021-04-25 19:59:52
6	Oskar Haarklou Veileborg	378	Python 3	2021-04-23 14:55:52
7	selyann berrada	390	Python 3	2024-12-04 23:18:39
8	hilal elghoulti	410	Python 3	2024-11-28 20:10:01
9	Ari Blondal	420	Python 3	2024-11-28 01:53:00
10	Hrant Hovhannisyan	438	Python 3	2025-07-25 10:16:57

#	User	Length	Language	Date
1	Thomas Feld	105	Ruby	2023-11-17 10:47:06

#	User	Length	Language	Date
1	Simon Reid	2607	Rust	2024-09-16 02:39:10
2	Emil Hultcrantz	7745	Rust	2025-04-04 17:06:01
3	Daniel Anker Hermansen	30374	Rust	2023-06-14 19:15:44

Solution running time distribution