Problem I
Doctor Kattis — Problem Statistics

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Submissions	8006
Accepted submissions	1594
Submission ratio	19.91%
Authors	1108
Full solves [?]	777
Full solve Ratio	70.13%

#	User	Score	Language	Date
1	Thibault Raffaillac	100	C	2020-03-03 09:28:16
2	Ryan O'Hara	100	C	2022-01-27 03:33:33
3	Hidden user	100	C	2023-10-23 03:29:16
4	Chiliman Cristian-Andrei	100	C	2025-10-27 17:10:20

#	User	Score	Language	Date
1	Andriy Zyevakov	100	C#	2024-11-04 08:32:15

#	User	Score	Language	Date
1	Norbert Voelker	100	Go	2023-04-12 12:32:56
2	Hidden user	100	Go	2023-10-20 03:35:02

#	User	Score	Language	Date
1	Nicholas Johnson	100	Kotlin	2020-04-07 02:03:34
2	Jonas Kylling	100	Kotlin	2021-07-27 02:20:07
3	Johnny Baloney	100	Kotlin	2022-01-22 19:23:03

#	User	Score	Language	Date
1	Junyu Zhan	100	Odin	2026-01-22 02:57:53

#	User	Score	Language	Date
1	Yanmarshus Bachtiar	100	Python 2	2022-01-04 08:18:36

#	User	Runtime	Language	Date
1	Ryan O'Hara	0.12 s	C	2022-01-27 03:33:33
2	Hidden user	0.15 s	C	2023-10-23 03:29:16
3	Thibault Raffaillac	0.28 s	C	2020-03-03 10:48:26
4	Chiliman Cristian-Andrei	0.28 s	C	2025-10-27 18:51:27

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.42 s	C#	2024-11-04 08:32:15

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.07 s	C++	2023-02-26 23:17:56
2	Agis Daniels	0.11 s	C++	2021-12-16 17:08:28
3	Mark Wong Tau Yew	0.13 s	C++	2019-09-23 07:59:58
4	Hidden user	0.18 s	C++	2019-09-23 14:57:53
5	Ben Wu	0.21 s	C++	2021-07-20 08:18:03
6	Low Xi Zhi	0.22 s	C++	2019-12-03 18:28:48
7	Peter Kwak	0.22 s	C++	2020-05-23 20:51:08
8	Hidden user	0.23 s	C++	2019-10-14 08:05:33
9	Darrius Cheong	0.23 s	C++	2020-09-19 08:04:36
10	Joseph Amirtharaj	0.23 s	C++	2021-03-13 19:27:22

#	User	Runtime	Language	Date
1	Norbert Voelker	0.18 s	Go	2023-05-27 23:59:04
2	Hidden user	0.91 s	Go	2023-10-20 03:35:02

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.30 s	Java	2023-02-26 23:18:45
2	Clement Oh	0.47 s	Java	2022-09-20 20:18:17
3	Miorel Palii	0.67 s	Java	2022-03-02 20:24:15
4	Godmar Back	0.69 s	Java	2020-09-30 19:13:54
5	Fong Kai Jie	0.70 s	Java	2024-10-22 20:51:32
6	Lum Yi Ren Johannsen	0.71 s	Java	2024-10-23 04:00:43
7	Crystal Sharpe	0.72 s	Java	2020-10-12 08:47:40
8	Brent Yorgey	0.75 s	Java	2020-01-18 21:16:46
9	Boh Xiang You Basil	0.75 s	Java	2024-10-23 06:29:50
10	Hidden user	0.75 s	Java	2024-10-23 14:18:20

#	User	Runtime	Language	Date
1	Jonas Kylling	0.77 s	Kotlin	2021-07-27 02:25:57
2	Nicholas Johnson	0.96 s	Kotlin	2020-04-07 02:03:34
3	Johnny Baloney	0.98 s	Kotlin	2022-01-22 19:44:39

#	User	Runtime	Language	Date
1	Junyu Zhan	0.80 s	Odin	2026-01-22 02:57:53

#	User	Runtime	Language	Date
1	Yanmarshus Bachtiar	0.60 s	Python 2	2022-01-04 08:18:36

#	User	Runtime	Language	Date
1	Petr	0.45 s	Python 3	2025-08-10 07:18:06
2	Raymond Christopher	0.54 s	Python 3	2023-12-29 05:45:11
3	Hidden user	0.55 s	Python 3	2021-09-28 17:49:53
4	Wouter Dijkstra	0.61 s	Python 3	2022-07-01 16:37:22
5	Yang Li	0.62 s	Python 3	2025-03-14 23:53:23
6	Matthew Strom	0.67 s	Python 3	2023-10-26 22:50:53
7	Nicholas Russell Saerang	0.69 s	Python 3	2022-02-19 15:43:36
8	Iker Lissarrague	0.69 s	Python 3	2023-04-26 02:23:11
9	Dong Woh	0.70 s	Python 3	2023-10-20 03:27:12
10	Rezz Tony Piraman	0.71 s	Python 3	2023-07-04 12:34:10

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.06 s	Rust	2026-03-06 02:02:11
2	Artur Khuziakhmetov	0.09 s	Rust	2025-03-05 16:42:42
3	Jakub Jagiello	0.18 s	Rust	2020-10-30 20:54:32
4	Klas af Geijerstam	0.20 s	Rust	2022-04-04 13:16:05
5	Pahlevi Fikri Auliya	0.27 s	Rust	2020-11-07 11:02:13
6	Desireé af Geijerstam	0.28 s	Rust	2020-10-11 14:33:13
7	Aaron Lengyel	0.34 s	Rust	2022-10-26 21:00:31
8	Nikita Chudakov	0.80 s	Rust	2024-01-25 00:12:11
9	Daniel Anker Hermansen	0.82 s	Rust	2024-02-02 23:46:14
10	Yoeri Otten	0.86 s	Rust	2020-12-12 15:04:39

#	User	Length	Language	Date
1	Thibault Raffaillac	1310	C	2020-03-03 10:48:26
2	Chiliman Cristian-Andrei	4995	C	2025-10-27 17:10:20
3	Ryan O'Hara	5391	C	2022-01-27 03:33:33
4	Hidden user	6977	C	2023-10-23 03:29:16

#	User	Length	Language	Date
1	Andriy Zyevakov	9637	C#	2024-11-04 08:32:15

#	User	Length	Language	Date
1	Anna Roczek	557	C++	2023-08-09 13:37:19
2	Dmitry Lyubshin	734	C++	2023-03-21 20:43:10
3	Roger Chen	736	C++	2021-08-14 00:52:50
4	Hyunjun Lee	766	C++	2022-11-12 02:37:46
5	Matteo Zappia	793	C++	2020-11-19 21:24:50
6	Tan Amos	806	C++	2021-03-01 19:33:29
7	Nguyen Xuan Tung	845	C++	2021-05-11 12:31:16
8	Jason Cannon	860	C++	2020-01-15 21:06:29
9	Hidden user	860	C++	2023-09-23 15:07:30
10	Jerrell Ezralemuel	867	C++	2019-09-24 06:32:09

#	User	Length	Language	Date
1	Norbert Voelker	3189	Go	2023-04-12 12:32:56
2	Hidden user	3689	Go	2023-10-20 03:35:02

#	User	Length	Language	Date
1	Andrew Polizzotto	1703	Java	2020-10-21 00:35:09
2	Troy Purvis	2194	Java	2020-11-30 03:38:24
3	William Beard	2220	Java	2021-05-14 21:38:38
4	Danniel Alcantara	2274	Java	2024-04-04 10:16:21
5	Miorel Palii	2310	Java	2022-03-02 18:26:06
6	Crystal Sharpe	2326	Java	2020-10-12 08:47:40
7	Fong Kai Jie	2774	Java	2024-10-22 20:29:56
8	Lim Wei Song	2817	Java	2024-10-22 08:27:05
9	Zhang Puyu	2831	Java	2024-10-21 10:27:54
10	Hidden user	2854	Java	2023-11-01 13:43:24

#	User	Length	Language	Date
1	Johnny Baloney	1586	Kotlin	2022-01-22 19:44:39
2	Nicholas Johnson	3345	Kotlin	2020-04-07 02:03:34
3	Jonas Kylling	4242	Kotlin	2021-07-27 02:25:57

#	User	Length	Language	Date
1	Junyu Zhan	1895	Odin	2026-01-22 02:57:53

#	User	Length	Language	Date
1	Yanmarshus Bachtiar	1534	Python 2	2022-01-04 08:18:36

#	User	Length	Language	Date
1	Avery	404	Python 3	2025-08-09 21:51:51
2	Błażej Dariusz Roszkowski	418	Python 3	2022-12-06 20:25:27
3	Hu Yijie	692	Python 3	2022-04-28 12:03:03
4	Dong Woh	738	Python 3	2023-10-26 07:28:42
5	Nicholas Russell Saerang	775	Python 3	2022-02-19 15:34:46
6	Iker Lissarrague	777	Python 3	2023-04-26 02:23:11
7	Yang Li	803	Python 3	2023-07-03 15:50:44
8	Rezz Tony Piraman	811	Python 3	2023-07-04 12:34:10
9	Hidden user	845	Python 3	2021-09-28 18:14:16
10	Wouter Dijkstra	864	Python 3	2022-06-09 10:40:02

#	User	Length	Language	Date
1	Artur Khuziakhmetov	1447	Rust	2025-03-05 16:04:28
2	Yoeri Otten	2180	Rust	2020-12-12 15:04:39
3	Adrien Coulier	2403	Rust	2020-04-17 09:56:56
4	Nikita Chudakov	2536	Rust	2024-01-25 00:12:11
5	Pahlevi Fikri Auliya	3492	Rust	2020-11-07 11:02:13
6	Klas af Geijerstam	3522	Rust	2020-08-26 17:59:42
7	Aaron Lengyel	5421	Rust	2022-10-26 21:00:31
8	Hidden user	7822	Rust	2025-08-18 19:12:22
9	Desireé af Geijerstam	8179	Rust	2020-10-11 14:27:13
10	Vincent Lagerros	10267	Rust	2024-07-09 11:51:09

Solution running time distribution