Problem I
Risk — Problem Statistics

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Submissions	882
Accepted submissions	307
Submission ratio	34.81%
Authors	196
Full solves [?]	157
Full solve Ratio	80.10%

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	C	2026-03-21 06:24:23
2	Ivan Petrov	0.07 s	C	2019-03-20 07:55:46
3	Alexander Bilde Pedersen	0.07 s	C	2023-05-22 20:40:22
4	Jacob Gummesson Atroshi	0.33 s	C	2019-06-01 17:59:22

#	User	Runtime	Language	Date
1	Piotr Jagiełło	0.01 s	C++	2016-02-17 21:30:46
2	Tianci Wang	0.01 s	C++	2017-05-31 12:14:39
3	Fredrik Präntare	0.01 s	C++	2018-03-06 16:05:21
4	Xingyu Zhou	0.01 s	C++	2018-11-14 00:41:44
5	Yehezkiel Raymundo Theodoroes	0.01 s	C++	2019-03-08 11:45:30
6	Rahul Rajesh	0.01 s	C++	2019-03-09 10:17:35
7	Hidden user	0.01 s	C++	2019-03-10 04:48:10
8	Li Hong Sheng Gabriel	0.01 s	C++	2019-12-21 16:17:00
9	Flaviu-Cristian Verde	0.01 s	C++	2023-11-10 15:18:02
10	My Bröms	0.01 s	C++	2026-03-11 00:51:41

#	User	Runtime	Language	Date
1	Hidden user	0.13 s	Java	2026-03-21 06:27:40
2	Erik Baalhuis	0.24 s	Java	2017-09-29 13:12:26
3	Nick Wu	0.29 s	Java	2016-12-12 07:45:27
4	Bjørn Dons	0.40 s	Java	2023-07-18 18:47:26
5	Andy Phan	0.41 s	Java	2019-07-26 11:38:30
6	Bassilekin jean simonet	0.50 s	Java	2025-04-21 20:32:06
7	Fajrin Aziz	0.66 s	Java	2025-12-18 12:31:18
8	Doug Goodman	0.79 s	Java	2020-10-12 15:47:58
9	Matthias Döpmann	0.94 s	Java	2018-05-10 07:24:21
10	Noah Goldsmid	0.96 s	Java	2017-10-10 21:16:18

#	User	Runtime	Language	Date
1	Hidden user	0.27 s	Kotlin	2026-03-21 06:28:51
2	ZANGUE JOREL TIOMELA	0.80 s	Kotlin	2025-04-21 19:22:24

#	User	Runtime	Language	Date
1	Hidden user	0.20 s	Python 2	2026-03-21 06:19:13
2	Oskar Larsson	0.61 s	Python 2	2019-06-01 12:53:09
3	Torstein Strømme	1.04 s	Python 2	2017-11-07 02:00:12
4	Maj Stenmark	1.12 s	Python 2	2020-10-17 21:09:52
5	Andreas Björklund	2.55 s	Python 2	2019-06-02 13:00:20

#	User	Runtime	Language	Date
1	Hidden user	0.17 s	Python 3	2026-03-21 06:16:14
2	Anton Nilsson	0.23 s	Python 3	2025-06-02 12:17:26
3	Jorke de Vlas	0.26 s	Python 3	2024-03-07 14:52:53
4	Denil Bouafia	0.28 s	Python 3	2024-10-13 17:15:48
5	Filip Edberger	0.30 s	Python 3	2024-03-03 19:03:10
6	Oskar Haarklou Veileborg	0.32 s	Python 3	2021-01-21 13:05:34
7	Daniel Lindholm	0.46 s	Python 3	2021-10-13 22:23:21
8	Arman Ul Alam	0.52 s	Python 3	2024-10-22 14:01:33
9	EDDY DORTIAL NTATCHINDA KEBOUN	0.55 s	Python 3	2025-04-21 11:16:43
10	RUSSEL LONTSI SONWA	0.55 s	Python 3	2025-04-21 22:05:42

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Rust	2026-03-21 06:25:32
2	Hidden user	0.21 s	Rust	2019-03-18 14:17:10

#	User	Runtime	Language	Date
1	Hidden user	0.08 s	TypeScript	2026-03-21 06:30:25

#	User	Length	Language	Date
1	Jacob Gummesson Atroshi	2930	C	2019-06-01 17:59:22
2	Ivan Petrov	3883	C	2019-03-20 07:55:46
3	Hidden user	5056	C	2026-03-21 06:24:23
4	Alexander Bilde Pedersen	6479	C	2023-05-22 18:41:03

#	User	Length	Language	Date
1	Alexander Skidanov	1059	C++	2025-08-02 23:45:03
2	MaGno	1140	C++	2025-07-31 12:20:53
3	Kalle Ytterberg	1912	C++	2023-03-01 13:36:59
4	Franklin Davy KAMGA CHEUKO	2138	C++	2025-04-21 18:56:35
5	Jannik Olbrich	2228	C++	2019-06-19 15:01:38
6	Joakim Blikstad	2240	C++	2015-11-09 15:32:17
7	gotchu	2309	C++	2020-06-12 19:28:18
8	Dmitry Lyubshin	2491	C++	2018-08-11 19:00:16
9	David Zheng	2573	C++	2018-11-14 22:46:06
10	Johan Sannemo	2577	C++	2014-09-22 17:11:46

#	User	Length	Language	Date
1	Martijn Muijsers	3891	Java	2020-08-15 14:23:15
2	Erik Baalhuis	4899	Java	2017-09-29 13:12:26
3	Nick Wu	5254	Java	2016-12-12 07:45:27
4	Bassilekin jean simonet	5329	Java	2025-04-21 20:32:06
5	Hidden user	6387	Java	2026-03-21 06:27:40
6	Doug Goodman	6587	Java	2020-10-12 15:47:58
7	Fajrin Aziz	8291	Java	2025-12-18 12:31:18
8	Andy Phan	8620	Java	2019-07-26 11:38:30
9	Zach Tschetter	9005	Java	2020-10-11 04:27:06
10	Noah Goldsmid	10581	Java	2017-10-10 21:16:18

#	User	Length	Language	Date
1	ZANGUE JOREL TIOMELA	4739	Kotlin	2025-04-21 19:22:24
2	Hidden user	5080	Kotlin	2026-03-21 06:28:51

#	User	Length	Language	Date
1	Oskar Larsson	2285	Python 2	2019-06-01 12:53:09
2	Andreas Björklund	2367	Python 2	2019-06-02 13:00:20
3	Maj Stenmark	3155	Python 2	2020-10-17 21:09:52
4	Torstein Strømme	3688	Python 2	2017-11-07 02:00:12
5	Hidden user	5118	Python 2	2026-03-21 06:19:13

#	User	Length	Language	Date
1	Nicholas Russell Saerang	1890	Python 3	2024-06-08 18:37:06
2	Oskar Haarklou Veileborg	2191	Python 3	2021-01-21 13:05:34
3	Denil Bouafia	2284	Python 3	2024-10-13 17:15:48
4	Jorke de Vlas	2567	Python 3	2024-03-07 14:52:53
5	Maj Stenmark	3074	Python 3	2020-10-17 21:03:18
6	RUSSEL LONTSI SONWA	3372	Python 3	2025-04-21 22:05:42
7	EDDY DORTIAL NTATCHINDA KEBOUN	3380	Python 3	2025-04-21 11:16:43
8	Thore Husfeldt	3419	Python 3	2020-10-15 18:19:36
9	Daniel Lindholm	3548	Python 3	2021-10-13 22:10:41
10	INFINITE_CHAMPY	3780	Python 3	2025-04-21 22:41:28

#	User	Length	Language	Date
1	Hidden user	6003	Rust	2026-03-21 06:25:32
2	Hidden user	18264	Rust	2019-03-18 14:15:10

#	User	Length	Language	Date
1	Hidden user	4996	TypeScript	2026-03-21 06:30:25

Solution running time distribution