Problem A
Compass Card Sales — Problem Statistics

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Submissions	1865
Accepted submissions	296
Submission ratio	15.87%
Authors	325
Full solves [?]	183
Full solve Ratio	56.31%

#	User	Runtime	Language	Date
1	Muhammed Edip Okur	0.64 s	C#	2019-11-07 14:48:13
2	Hagbard Paulson	0.93 s	C#	2024-09-08 23:38:14
3	Barış Güvercin	1.17 s	C#	2022-02-16 14:37:31
4	Linus Lithner	1.92 s	C#	2025-11-23 10:18:46
5	Hidden user	2.23 s	C#	2017-10-08 20:20:49
6	Sarah Tibell	3.20 s	C#	2024-12-05 20:00:59

#	User	Runtime	Language	Date
1	Victor Lecomte	0.07 s	C++	2017-10-17 15:23:23
2	Jeremy Lim	0.07 s	C++	2024-08-03 17:03:31
3	Trần Cảnh Nam	0.09 s	C++	2024-11-12 06:26:25
4	Nicolas Elvstål Ångnell	0.09 s	C++	2025-11-15 00:41:06
5	黃書擎	0.12 s	C++	2017-10-14 07:34:25
6	Jaehyun Koo	0.18 s	C++	2017-10-07 14:48:40
7	Erik Amirell Eklöf	0.20 s	C++	2022-09-01 18:57:35
8	Brandon Zhang	0.21 s	C++	2021-01-23 06:22:09
9	최기원	0.22 s	C++	2017-10-21 05:35:33
10	Zeyu Zheng	0.25 s	C++	2017-10-22 22:27:21

#	User	Runtime	Language	Date
1	Hugo Sansaqua	1.85 s	Common Lisp	2021-01-26 13:53:36

#	User	Runtime	Language	Date
1	Federico Lombardozzi	0.77 s	Go	2025-01-22 20:21:38

#	User	Runtime	Language	Date
1	Arup Ratan Guha	0.69 s	Java	2017-12-25 16:01:44
2	Tyler VanHaren	0.73 s	Java	2017-12-04 00:18:46
3	David Brink	0.79 s	Java	2017-10-23 21:40:43
4	Computer Thunders	0.87 s	Java	2021-10-09 08:46:15
5	Muhammed Edip Okur	0.88 s	Java	2019-11-07 10:44:39
6	Ivri Faitelson	0.88 s	Java	2021-01-21 01:47:51
7	Hidden user	0.88 s	Java	2022-09-18 10:54:17
8	Alexander Smith	0.88 s	Java	2023-06-20 00:54:41
9	Vedant Kumud	0.88 s	Java	2024-01-06 04:32:30
10	Ahsan Javed	0.89 s	Java	2019-11-16 16:43:42

#	User	Runtime	Language	Date
1	Jonas Kylling	2.87 s	Python 2	2018-10-23 22:35:05
2	Andreas Björklund	3.49 s	Python 2	2019-03-18 16:55:05

#	User	Runtime	Language	Date
1	Markus Mäkelä	0.67 s	Python 3	2022-03-25 11:15:23
2	Neil Thistlethwaite	1.82 s	Python 3	2021-01-23 20:17:28
3	Jonathan Sjölund	1.88 s	Python 3	2022-09-26 19:34:27
4	Vernon Gutierrez	3.88 s	Python 3	2024-07-04 07:09:53

#	User	Runtime	Language	Date
1	Daniel Anker Hermansen	0.33 s	Rust	2022-12-31 14:49:44

#	User	Length	Language	Date
1	Barış Güvercin	3436	C#	2022-02-16 14:37:31
2	Hidden user	7491	C#	2017-10-08 20:20:49
3	Sarah Tibell	8397	C#	2024-12-05 20:00:59
4	Muhammed Edip Okur	8469	C#	2019-11-07 14:48:13
5	Linus Lithner	11410	C#	2025-11-23 10:18:46
6	Hagbard Paulson	12513	C#	2024-09-09 00:01:35

#	User	Length	Language	Date
1	Josenildo Silva	1390	C++	2018-06-24 14:09:42
2	Johan Wind	1524	C++	2019-09-14 21:04:00
3	David Wärn	1713	C++	2017-10-10 00:11:17
4	Kolya Ivanov	1752	C++	2025-06-04 21:02:28
5	Hidden user	1823	C++	2017-10-28 21:34:25
6	Lorenzo Beretta	1824	C++	2019-12-04 15:55:39
7	Richard Peng	1826	C++	2017-12-09 17:42:33
8	Jonathan Alexander Carrillo Cortes	1874	C++	2018-03-10 07:09:55
9	Noah Hessen Bjerke	1892	C++	2025-04-23 12:32:20
10	Justus Karlsson	1895	C++	2018-01-26 01:03:36

#	User	Length	Language	Date
1	Hugo Sansaqua	31861	Common Lisp	2021-01-23 23:52:53

#	User	Length	Language	Date
1	Federico Lombardozzi	8706	Go	2025-01-22 20:21:38

#	User	Length	Language	Date
1	Snild Dolkow	3341	Java	2017-10-08 15:39:24
2	Justus Karlsson	3366	Java	2018-01-26 00:59:06
3	Timothy Buzzelli	3751	Java	2017-12-04 00:10:03
4	Måns Magnusson	3808	Java	2017-10-09 00:15:05
5	Joost Visser	3924	Java	2017-11-14 22:39:49
6	Hidden user	3926	Java	2017-11-15 09:18:56
7	Martijn Muijsers	4115	Java	2017-11-14 23:13:55
8	Peter Li	4687	Java	2021-01-29 00:24:03
9	Ahsan Javed	4707	Java	2019-11-16 16:43:42
10	Matthew Slane	5232	Java	2017-10-22 23:42:11

#	User	Length	Language	Date
1	Andreas Björklund	1308	Python 2	2019-03-18 16:55:05
2	Jonas Kylling	4739	Python 2	2018-10-23 22:52:55

#	User	Length	Language	Date
1	Vernon Gutierrez	1716	Python 3	2024-07-04 07:06:15
2	Neil Thistlethwaite	1876	Python 3	2021-01-23 20:17:28
3	Markus Mäkelä	6958	Python 3	2022-03-25 11:15:23
4	Jonathan Sjölund	13593	Python 3	2022-09-26 19:34:27

#	User	Length	Language	Date
1	Daniel Anker Hermansen	28679	Rust	2022-12-31 14:49:44

Solution running time distribution