Problem A
Risk — Problem Statistics

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Submissions	850
Accepted submissions	291
Submission ratio	34.24%
Authors	188
Full solves [?]	151
Full solve Ratio	80.32%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.07 s	C	2019-03-20 08:55:46
2	Alexander Bilde Pedersen	0.07 s	C	2023-05-22 22:40:22
3	Jacob Gummesson Atroshi	0.33 s	C	2019-06-01 19:59:22

#	User	Runtime	Language	Date
1	Piotr Jagiełło	0.01 s	C++	2016-02-17 22:30:46
2	Tianci Wang	0.01 s	C++	2017-05-31 14:14:39
3	Fredrik Präntare	0.01 s	C++	2018-03-06 17:05:21
4	Xingyu Zhou	0.01 s	C++	2018-11-14 01:41:44
5	Yehezkiel Raymundo Theodoroes	0.01 s	C++	2019-03-08 12:45:30
6	Rahul Rajesh	0.01 s	C++	2019-03-09 11:17:35
7	Hidden user	0.01 s	C++	2019-03-10 05:48:10
8	Li Hong Sheng Gabriel	0.01 s	C++	2019-12-21 17:17:00
9	Flaviu-Cristian Verde	0.01 s	C++	2023-11-10 16:18:02
10	Bjarki Ágúst Guðmundsson	0.02 s	C++	2014-09-22 18:32:46

#	User	Runtime	Language	Date
1	Erik Baalhuis	0.24 s	Java	2017-09-29 15:12:26
2	Nick Wu	0.29 s	Java	2016-12-12 08:45:27
3	Bjørn Dons	0.40 s	Java	2023-07-18 20:47:26
4	Andy Phan	0.41 s	Java	2019-07-26 13:38:30
5	Bassilekin jean simonet	0.50 s	Java	2025-04-21 22:32:06
6	Doug Goodman	0.79 s	Java	2020-10-12 17:47:58
7	Matthias Döpmann	0.94 s	Java	2018-05-10 09:24:21
8	Noah Goldsmid	0.96 s	Java	2017-10-10 23:16:18
9	Zach Tschetter	1.54 s	Java	2020-10-11 06:27:06
10	Martijn Muijsers	1.68 s	Java	2020-08-15 16:23:15

#	User	Runtime	Language	Date
1	ZANGUE JOREL TIOMELA	0.80 s	Kotlin	2025-04-21 21:22:24

#	User	Runtime	Language	Date
1	Oskar Larsson	0.61 s	Python 2	2019-06-01 14:53:09
2	Torstein Strømme	1.04 s	Python 2	2017-11-07 03:00:12
3	Maj Stenmark	1.12 s	Python 2	2020-10-17 23:09:52
4	Andreas Björklund	2.55 s	Python 2	2019-06-02 15:00:20

#	User	Runtime	Language	Date
1	Anton Nilsson	0.23 s	Python 3	2025-06-02 14:17:26
2	Jorke de Vlas	0.26 s	Python 3	2024-03-07 15:52:53
3	Denil Bouafia	0.28 s	Python 3	2024-10-13 19:15:48
4	Filip Edberger	0.30 s	Python 3	2024-03-03 20:03:10
5	Oskar Haarklou Veileborg	0.32 s	Python 3	2021-01-21 14:05:34
6	Daniel Lindholm	0.46 s	Python 3	2021-10-14 00:23:21
7	Arman Ul Alam	0.52 s	Python 3	2024-10-22 16:01:33
8	EDDY DORTIAL NTATCHINDA KEBOUN	0.55 s	Python 3	2025-04-21 13:16:43
9	RUSSEL LONTSI SONWA	0.55 s	Python 3	2025-04-22 00:05:42
10	Nicholas Russell Saerang	0.57 s	Python 3	2024-06-08 20:37:06

#	User	Runtime	Language	Date
1	Hidden user	0.21 s	Rust	2019-03-18 15:17:10

#	User	Length	Language	Date
1	Jacob Gummesson Atroshi	2930	C	2019-06-01 19:59:22
2	Ivan Petrov	3883	C	2019-03-20 08:55:46
3	Alexander Bilde Pedersen	6479	C	2023-05-22 20:41:03

#	User	Length	Language	Date
1	Alexander Skidanov	1059	C++	2025-08-03 01:45:03
2	MaGno	1140	C++	2025-07-31 14:20:53
3	Kalle Ytterberg	1912	C++	2023-03-01 14:36:59
4	Franklin Davy KAMGA CHEUKO	2138	C++	2025-04-21 20:56:35
5	Jannik Olbrich	2228	C++	2019-06-19 17:01:38
6	Joakim Blikstad	2240	C++	2015-11-09 16:32:17
7	gotchu	2309	C++	2020-06-12 21:28:18
8	Dmitry Lyubshin	2491	C++	2018-08-11 21:00:16
9	David Zheng	2573	C++	2018-11-14 23:46:06
10	Johan Sannemo	2577	C++	2014-09-22 19:11:46

#	User	Length	Language	Date
1	Martijn Muijsers	3891	Java	2020-08-15 16:23:15
2	Erik Baalhuis	4899	Java	2017-09-29 15:12:26
3	Nick Wu	5254	Java	2016-12-12 08:45:27
4	Bassilekin jean simonet	5329	Java	2025-04-21 22:32:06
5	Doug Goodman	6587	Java	2020-10-12 17:47:58
6	Andy Phan	8620	Java	2019-07-26 13:38:30
7	Zach Tschetter	9005	Java	2020-10-11 06:27:06
8	Noah Goldsmid	10581	Java	2017-10-10 23:16:18
9	Bjørn Dons	10728	Java	2023-07-18 20:47:26
10	Matthias Döpmann	19650	Java	2018-05-09 00:04:05

#	User	Length	Language	Date
1	ZANGUE JOREL TIOMELA	4739	Kotlin	2025-04-21 21:22:24

#	User	Length	Language	Date
1	Oskar Larsson	2285	Python 2	2019-06-01 14:53:09
2	Andreas Björklund	2367	Python 2	2019-06-02 15:00:20
3	Maj Stenmark	3155	Python 2	2020-10-17 23:09:52
4	Torstein Strømme	3688	Python 2	2017-11-07 03:00:12

#	User	Length	Language	Date
1	Nicholas Russell Saerang	1890	Python 3	2024-06-08 20:37:06
2	Oskar Haarklou Veileborg	2191	Python 3	2021-01-21 14:05:34
3	Denil Bouafia	2284	Python 3	2024-10-13 19:15:48
4	Jorke de Vlas	2567	Python 3	2024-03-07 15:52:53
5	Maj Stenmark	3074	Python 3	2020-10-17 23:03:18
6	RUSSEL LONTSI SONWA	3372	Python 3	2025-04-22 00:05:42
7	EDDY DORTIAL NTATCHINDA KEBOUN	3380	Python 3	2025-04-21 13:16:43
8	Thore Husfeldt	3419	Python 3	2020-10-15 20:19:36
9	Daniel Lindholm	3548	Python 3	2021-10-14 00:10:41
10	INFINITE_CHAMPY	3780	Python 3	2025-04-22 00:41:28

#	User	Length	Language	Date
1	Hidden user	18264	Rust	2019-03-18 15:15:10

Solution running time distribution