Problem A
Over the Hill, Part 1 — Problem Statistics

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Submissions	647
Accepted submissions	345
Submission ratio	53.32%
Authors	346
Full solves [?]	310
Full solve Ratio	89.60%

#	User	Runtime	Language	Date
1	Mikael K Eriksson	0.00 s	C	2021-12-06 12:32:02
2	Raphael Alexander	0.00 s	C	2022-02-04 01:52:08
3	Alexander Bilde Pedersen	0.00 s	C	2023-10-11 16:14:35
4	Alexander Hassan	0.00 s	C	2024-03-24 03:07:06
5	Mohsina Binte Asad	0.00 s	C	2025-06-02 12:04:19

#	User	Runtime	Language	Date
1	Mikael Fiala-Lundström	0.03 s	C#	2021-11-24 23:37:36
2	Göran Andersson	0.03 s	C#	2022-05-24 19:05:21

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.09 s	F#	2023-01-27 12:02:54

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-10-18 21:29:06

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2024-05-13 14:35:08
2	Brent Yorgey	0.01 s	Haskell	2021-10-26 13:39:38
3	Hidden user	0.01 s	Haskell	2021-11-08 11:33:53

#	User	Runtime	Language	Date
1	Mack Wong Yoong Yee	0.05 s	Java	2025-10-12 08:08:54
2	Sven Rönnbäck	0.06 s	Java	2022-01-16 03:15:19
3	Crystal Sharpe	0.06 s	Java	2022-03-14 05:58:43
4	Bjørn Dons	0.06 s	Java	2022-04-18 20:31:55
5	Liam Keliher	0.06 s	Java	2022-05-23 08:11:08
6	Logan Pipes	0.06 s	Java	2022-05-31 01:15:29
7	Ranjith M	0.06 s	Java	2023-06-30 01:04:29
8	Ng Yong Xiang	0.07 s	Java	2021-12-03 16:16:07
9	John	0.07 s	Java	2022-02-09 17:42:10
10	Jeel Vaishnav	0.07 s	Java	2022-02-26 00:48:13

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-04-04 00:46:26
2	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2021-10-11 14:19:06

#	User	Runtime	Language	Date
1	Ali M. Nekoh	0.27 s	Kotlin	2025-06-05 10:49:10

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2023-01-15 10:11:36

#	User	Runtime	Language	Date
1	Yanmarshus Bachtiar	0.03 s	Python 2	2021-12-16 13:38:11
2	Sworna	0.07 s	Python 2	2025-06-02 10:59:02
3	Abu Sayeed Bin Mozahid	0.07 s	Python 2	2025-06-02 11:25:52
4	Mohammad Shamim Haider Rafi	0.07 s	Python 2	2025-06-02 14:49:44
5	Md Shahab Uddin	0.07 s	Python 2	2025-06-02 21:07:37

#	User	Runtime	Language	Date
1	Payton Klemens	0.04 s	Python 3	2022-10-15 19:30:58
2	Luke DiGiovanna	0.04 s	Python 3	2022-10-15 19:35:43
3	Godmar Back	0.04 s	Python 3	2022-10-15 20:26:50
4	Paul Yang	0.04 s	Python 3	2022-10-17 23:26:36
5	Mad KItty	0.04 s	Python 3	2024-08-30 19:16:21
6	UTM CS AI	0.04 s	Python 3	2024-10-01 17:24:24
7	Ryan Tan	0.04 s	Python 3	2024-10-08 10:53:42
8	Hidden user	0.04 s	Python 3	2024-11-01 13:16:03
9	Yong Mao	0.04 s	Python 3	2025-03-10 11:27:22
10	Dominic Berzin Chua Way Gin	0.04 s	Python 3	2025-04-18 06:38:37

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-07-23 00:29:35

#	User	Runtime	Language	Date
1	Bas Dirks	0.00 s	Rust	2022-01-12 09:50:16
2	David Rasch	0.00 s	Rust	2022-06-15 15:37:16

#	User	Length	Language	Date
1	Mikael K Eriksson	1142	C	2021-12-06 12:32:02
2	Mohsina Binte Asad	1241	C	2025-06-02 12:04:19
3	Alexander Bilde Pedersen	1619	C	2023-10-11 16:14:35
4	Raphael Alexander	1705	C	2022-02-04 01:52:08
5	Alexander Hassan	2550	C	2024-03-24 03:07:06

#	User	Length	Language	Date
1	Göran Andersson	1227	C#	2022-05-24 19:05:21
2	Mikael Fiala-Lundström	4145	C#	2021-11-24 23:37:36

#	User	Length	Language	Date
1	James Rayman	684	C++	2024-01-20 01:15:23
2	Yucheng Dai	800	C++	2021-03-06 20:31:14
3	Dmitry Lyubshin	805	C++	2023-04-07 18:09:18
4	WenYuen Pang	852	C++	2021-03-06 20:08:17
5	人外沙耶	868	C++	2023-12-13 07:37:13
6	Aditya Sundaram	965	C++	2021-03-06 20:13:23
7	Yu Lim	993	C++	2024-01-20 01:36:54
8	Ildar Gainullin	1047	C++	2021-03-06 20:23:23
9	Grae Yeandle	1047	C++	2021-11-03 19:50:54
10	Armen Andreasyan	1055	C++	2022-06-12 12:08:22

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1391	F#	2023-01-27 12:02:54

#	User	Length	Language	Date
1	Norbert Voelker	1495	Go	2021-10-18 21:29:06

#	User	Length	Language	Date
1	Steinar Simonnes	1353	Haskell	2024-05-13 14:35:08
2	Brent Yorgey	10313	Haskell	2021-10-26 13:39:38
3	Hidden user	15663	Haskell	2021-11-08 11:33:53

#	User	Length	Language	Date
1	Raymond Arrington	1229	Java	2024-06-24 05:35:22
2	Doug Goodman	1413	Java	2021-12-14 21:12:50
3	Hidden user	1450	Java	2023-01-14 23:03:17
4	Crystal Sharpe	1529	Java	2022-05-31 02:03:36
5	Reuben James Loquinario	1548	Java	2024-11-18 12:59:04
6	Marshall D Feng	1614	Java	2022-02-20 03:13:04
7	Joel Gritter	1642	Java	2021-03-06 21:19:24
8	Mack Wong Yoong Yee	1677	Java	2025-10-12 08:08:54
9	Ng Yong Xiang	1680	Java	2021-12-03 16:16:07
10	Bowen Yang	1698	Java	2022-02-14 00:26:02

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	616	JavaScript (SpiderMonkey)	2021-10-12 06:26:48
2	Christian Pilegaard Cederquist	763	JavaScript (SpiderMonkey)	2023-04-04 00:46:26

#	User	Length	Language	Date
1	Ali M. Nekoh	1384	Kotlin	2025-06-05 10:49:10

#	User	Length	Language	Date
1	Andriy Zyevakov	2339	Prolog	2023-01-15 10:11:36

#	User	Length	Language	Date
1	Yanmarshus Bachtiar	714	Python 2	2021-12-16 13:38:11
2	Mohammad Shamim Haider Rafi	1257	Python 2	2025-06-02 14:49:44
3	Sworna	1301	Python 2	2025-06-02 14:37:34
4	Abu Sayeed Bin Mozahid	1400	Python 2	2025-06-02 11:25:52
5	Md Shahab Uddin	1400	Python 2	2025-06-02 21:07:37

#	User	Length	Language	Date
1	Benjamin Z White	244	Python 3	2023-05-10 20:42:22
2	Noah Hessen Bjerke	296	Python 3	2025-11-08 20:28:09
3	Clement Oh	304	Python 3	2023-10-11 11:26:58
4	Tai Tze Kin	340	Python 3	2024-05-04 09:27:42
5	Yong Mao	349	Python 3	2025-03-10 11:27:22
6	Ahmed Chamseddine	378	Python 3	2025-06-17 08:52:25
7	Hrant Hovhannisyan	402	Python 3	2025-11-26 09:49:23
8	Magnus Eide-Fredriksen	405	Python 3	2023-08-20 22:06:28
9	Hidden user	414	Python 3	2021-11-16 22:24:57
10	Daniel Bogorad	446	Python 3	2025-09-28 19:55:04

#	User	Length	Language	Date
1	Thomas Feld	155	Ruby	2023-07-23 00:38:22

#	User	Length	Language	Date
1	David Rasch	1308	Rust	2022-06-15 15:37:16
2	Bas Dirks	1680	Rust	2022-01-12 09:50:16

Solution running time distribution