Problem A
Average Rank — Problem Statistics

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Submissions	749
Accepted submissions	207
Submission ratio	27.64%
Authors	183
Full solves [?]	127
Full solve Ratio	69.40%

#	User	Runtime	Language	Date
1	Troels Bjerre Lund	0.30 s	C	2019-11-26 10:29:43
2	Ivan Petrov	0.36 s	C	2019-11-19 09:15:26

#	User	Runtime	Language	Date
1	Hidden user	0.24 s	C++	2020-09-08 14:22:00
2	Arayi Khalatyan	0.32 s	C++	2019-11-18 17:30:11
3	Jeroen Op de Beek	0.32 s	C++	2021-03-24 00:40:05
4	Feng Chen	0.32 s	C++	2025-04-21 13:24:49
5	Arayi Khalatyan	0.33 s	C++	2023-02-18 21:31:36
6	Wiwit Rifa'i	0.34 s	C++	2019-11-17 11:09:34
7	Jeren Huang	0.34 s	C++	2021-01-04 09:27:41
8	ezptzd	0.34 s	C++	2022-03-11 21:41:20
9	Ivan Gritsenko	0.36 s	C++	2019-11-19 23:28:28
10	Jeremy Lim	0.36 s	C++	2025-03-17 17:13:59

#	User	Runtime	Language	Date
1	Quang Long Huynh	0.51 s	Java	2022-07-13 23:08:50
2	Benjamin Reidys	1.03 s	Java	2020-02-06 15:18:46
3	Ludo Pulles	2.67 s	Java	2019-12-01 22:18:32
4	Troels Bjerre Lund	3.19 s	Java	2019-12-07 13:14:26
5	Michael Wright	3.69 s	Java	2019-11-18 20:30:49
6	Linus Tufvesson	3.77 s	Java	2019-11-18 21:48:11

#	User	Runtime	Language	Date
1	Troels Bjerre Lund	0.44 s	Python 2	2019-11-19 19:42:55
2	Liu Yuhang	0.54 s	Python 2	2025-04-18 02:14:11
3	Francesco Silvestri	0.56 s	Python 2	2019-12-06 22:13:11
4	Andreas Björklund	2.79 s	Python 2	2019-11-19 18:05:22

#	User	Runtime	Language	Date
1	Viktor Bello Thomsen	0.57 s	Python 3	2020-10-28 00:17:38
2	Dan Carmon	0.74 s	Python 3	2025-10-19 16:36:24
3	Snild Dolkow	0.95 s	Python 3	2021-10-07 19:00:55
4	Hrant Hovhannisyan	1.05 s	Python 3	2025-10-17 09:06:40
5	Nicholas Russell Saerang	1.43 s	Python 3	2025-03-10 00:01:15
6	Troels Bjerre Lund	1.90 s	Python 3	2019-11-19 19:39:44
7	Lennart Meyling	2.01 s	Python 3	2023-06-23 13:09:11
8	Gerth Stølting Brodal	2.25 s	Python 3	2019-11-21 20:44:48
9	Rens Leendertz	2.57 s	Python 3	2019-11-24 16:26:47
10	Francesco Silvestri	2.73 s	Python 3	2019-12-06 21:44:23

#	User	Length	Language	Date
1	Ivan Petrov	1078	C	2019-11-19 09:15:26
2	Troels Bjerre Lund	1314	C	2019-11-26 10:29:43

#	User	Length	Language	Date
1	Liu Qiangdong	594	C++	2020-07-03 12:11:27
2	Artem Beznos	614	C++	2024-10-20 14:23:49
3	Wiwit Rifa'i	684	C++	2019-11-17 11:09:34
4	Bill Chen	759	C++	2020-05-09 06:30:35
5	Kregor Ööbik	772	C++	2025-11-25 12:18:56
6	Hưng Dương Quốc	779	C++	2019-11-19 19:09:09
7	Alexander Skidanov	839	C++	2024-10-20 14:30:25
8	Fares Ibraheem Basuni	840	C++	2021-05-29 09:40:25
9	Ivan Gritsenko	841	C++	2019-11-19 23:31:47
10	Zhiyi Luo	855	C++	2020-02-08 13:15:08

#	User	Length	Language	Date
1	Ludo Pulles	1235	Java	2019-12-01 22:18:32
2	Troels Bjerre Lund	1486	Java	2019-12-07 13:14:26
3	Benjamin Reidys	2926	Java	2020-02-06 15:18:46
4	Quang Long Huynh	4278	Java	2022-07-13 23:08:50
5	Michael Wright	10880	Java	2019-11-18 20:30:49
6	Linus Tufvesson	10885	Java	2019-11-18 21:48:11

#	User	Length	Language	Date
1	Troels Bjerre Lund	579	Python 2	2019-11-19 19:42:55
2	Liu Yuhang	625	Python 2	2025-04-18 02:14:11
3	Andreas Björklund	995	Python 2	2019-11-19 18:05:22
4	Francesco Silvestri	1713	Python 2	2019-12-06 22:13:11

#	User	Length	Language	Date
1	Hrant Hovhannisyan	504	Python 3	2025-10-17 09:06:40
2	Troels Bjerre Lund	558	Python 3	2019-11-19 19:39:44
3	Lennart Meyling	652	Python 3	2023-06-23 13:09:11
4	Nicholas Russell Saerang	666	Python 3	2025-03-10 00:01:15
5	Gerth Stølting Brodal	709	Python 3	2019-11-21 20:39:35
6	Viktor Bello Thomsen	776	Python 3	2020-10-28 00:17:38
7	Rens Leendertz	853	Python 3	2019-11-24 16:26:47
8	Snild Dolkow	1369	Python 3	2021-10-07 19:00:55
9	Francesco Silvestri	1643	Python 3	2019-12-06 22:59:09
10	Jonatan Nilsson	2050	Python 3	2020-11-01 19:39:45

Solution running time distribution