Problem I
Graduation Guarantee — Problem Statistics

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Submissions	1448
Accepted submissions	460
Submission ratio	31.77%
Authors	365
Full solves [?]	315
Full solve Ratio	86.30%

#	User	Runtime	Language	Date
1	Snild Dolkow	0.10 s	C	2022-10-08 14:46:50
2	Hjörtur Björnsson	0.10 s	C	2023-02-25 17:23:18
3	Eyleifur Bjarkason	0.11 s	C	2023-02-22 20:58:22
4	Rudy Matela	0.16 s	C	2023-08-31 10:34:52
5	David Stålmarck	0.35 s	C	2022-10-08 15:08:00
6	Bergur Snorrason	0.82 s	C	2023-02-21 13:40:17

#	User	Runtime	Language	Date
1	Kristoffer Højelse	0.21 s	C#	2022-10-28 18:54:40

#	User	Runtime	Language	Date
1	Emil Kronholm	0.05 s	C++	2025-10-03 21:50:47
2	Go Sports	0.08 s	C++	2022-10-08 14:13:44
3	Joshua Andersson	0.08 s	C++	2022-10-09 03:25:21
4	Marko Tsengov	0.09 s	C++	2022-10-08 11:56:04
5	Frank Wong	0.09 s	C++	2024-05-22 07:08:06
6	Nikolaj Simling	0.10 s	C++	2022-10-08 15:58:57
7	Viktor Bello Thomsen	0.10 s	C++	2022-10-11 10:00:03
8	Nicolaj Valsted	0.10 s	C++	2022-11-30 16:35:37
9	Jakob Tejs Knudsen	0.11 s	C++	2022-10-08 12:46:38
10	Yui Huang	0.12 s	C++	2022-11-11 13:22:41

#	User	Runtime	Language	Date
1	Norbert Voelker	0.35 s	Go	2022-10-25 22:12:36

#	User	Runtime	Language	Date
1	VIktoria Kulak	0.26 s	Java	2025-11-25 12:00:12
2	Hidden user	0.38 s	Java	2022-10-09 23:38:38
3	Sriniketh Vangaru	0.38 s	Java	2024-11-14 07:58:09
4	Sebastian Hjelm	0.40 s	Java	2022-10-08 13:13:59
5	Benjamin Klahn	0.41 s	Java	2022-10-10 17:33:04
6	Temur Naimat	0.53 s	Java	2025-11-24 17:55:21
7	Bjørn Dons	0.58 s	Java	2022-12-27 22:18:34
8	Crystal Sharpe	0.58 s	Java	2023-01-17 02:26:20
9	Mark Sturtevant	0.61 s	Java	2023-02-23 04:33:12
10	Doug Goodman	0.62 s	Java	2022-10-08 17:27:23

#	User	Runtime	Language	Date
1	Juan Pablo Morales	0.19 s	Python 3	2025-06-19 03:03:41
2	Viktor Már Guðmundsson	0.21 s	Python 3	2024-10-05 01:48:46
3	Xiaomeng Li	0.21 s	Python 3	2025-10-02 20:15:06
4	Jacob Lorenzen	0.22 s	Python 3	2025-10-29 19:26:42
5	Nikolaj Munk Binder Jensen	0.23 s	Python 3	2024-10-18 20:27:59
6	Arban Gerxhalija	0.23 s	Python 3	2025-11-20 22:01:51
7	Shady Maghmumeh	0.23 s	Python 3	2025-11-21 11:09:02
8	Åke Wettergren	0.24 s	Python 3	2022-10-17 19:51:52
9	Pavel Pavliv	0.25 s	Python 3	2024-10-03 16:39:34
10	Edvard Kallas	0.25 s	Python 3	2024-10-04 19:16:57

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.04 s	Rust	2025-07-04 19:16:52
2	Kristoffer Søholm	0.21 s	Rust	2022-10-08 12:00:00
3	Gustav Nilsson Gisleskog	0.29 s	Rust	2022-10-08 12:58:24
4	Matias Frank Jensen	0.48 s	Rust	2022-10-09 15:09:21
5	Kåre von Geijer	0.53 s	Rust	2023-09-28 11:10:59
6	Lasse Møldrup	0.84 s	Rust	2022-10-08 19:43:24

#	User	Length	Language	Date
1	Snild Dolkow	932	C	2022-10-08 14:46:50
2	David Stålmarck	1074	C	2022-10-08 15:08:00
3	Rudy Matela	2056	C	2023-08-31 10:34:52
4	Bergur Snorrason	2088	C	2023-02-21 13:40:17
5	Hjörtur Björnsson	5493	C	2023-02-21 23:28:51
6	Eyleifur Bjarkason	7983	C	2023-06-20 17:08:53

#	User	Length	Language	Date
1	Kristoffer Højelse	1128	C#	2022-10-28 18:54:40

#	User	Length	Language	Date
1	Yeung Man Tsung	538	C++	2022-12-31 16:18:58
2	Paul Wild	586	C++	2022-10-08 12:40:00
3	Elias Lolck	604	C++	2024-07-16 23:01:11
4	Dmitry Lyubshin	608	C++	2023-04-09 11:23:29
5	David Zhang	628	C++	2024-09-14 23:00:53
6	Dominykas Marma	633	C++	2022-10-08 11:43:28
7	Yung Chi Li	651	C++	2024-05-04 19:35:58
8	David Lolck	656	C++	2022-10-08 11:08:56
9	Brandon Zhang	662	C++	2023-03-15 08:06:45
10	Johannes Agestam	675	C++	2022-10-14 03:34:52

#	User	Length	Language	Date
1	Norbert Voelker	1294	Go	2022-10-25 22:12:36

#	User	Length	Language	Date
1	Farhad Vadiee	796	Java	2022-10-08 14:09:00
2	Martin Vatshelle	821	Java	2022-10-17 15:27:40
3	Katzezwei	1014	Java	2023-11-27 09:01:59
4	Tim Wiegert	1173	Java	2025-11-24 12:02:06
5	Crystal Sharpe	1191	Java	2023-01-17 02:26:20
6	Zeyi Sun	1215	Java	2023-11-28 21:36:07
7	Gustav Åman	1465	Java	2023-09-27 12:02:43
8	Doug Goodman	1505	Java	2022-10-08 17:27:23
9	VIktoria Kulak	1552	Java	2025-11-25 12:00:12
10	Marcel Wienöbst	1586	Java	2025-11-24 09:27:43

#	User	Length	Language	Date
1	Johannes Agestam	207	Python 3	2022-10-11 23:56:49
2	Nikolaj Munk Binder Jensen	244	Python 3	2024-10-18 20:59:11
3	Peter Stauder	299	Python 3	2023-01-02 21:44:41
4	Jonathan Schmidt Højlev	331	Python 3	2024-06-07 18:36:49
5	Hugo Eberhard	334	Python 3	2022-10-08 13:06:56
6	Zsolt Németh	353	Python 3	2024-09-27 13:37:42
7	Dilhan Salgado	368	Python 3	2024-09-14 21:03:39
8	alexandre dewilde	375	Python 3	2023-01-05 22:03:58
9	Christian Lindeström	377	Python 3	2022-10-10 22:55:49
10	Mathias Weirsøe Klitgaard	394	Python 3	2022-10-08 13:34:43

#	User	Length	Language	Date
1	Lasse Møldrup	912	Rust	2022-10-08 19:43:24
2	Matias Frank Jensen	1350	Rust	2022-10-09 15:09:21
3	Kristoffer Søholm	1685	Rust	2022-10-08 12:00:00
4	Kåre von Geijer	6496	Rust	2023-09-28 11:10:59
5	Gustav Nilsson Gisleskog	18432	Rust	2022-10-08 12:58:24
6	Vincent Lagerros	65963	Rust	2025-07-04 18:56:36

Solution running time distribution