Problem A
Treehouses — Problem Statistics

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Submissions	2430
Accepted submissions	988
Submission ratio	40.66%
Authors	746
Full solves [?]	652
Full solve Ratio	87.40%

#	User	Runtime	Language	Date
1	Hidden user	0.12 s	C	2024-06-24 21:57:14
2	Hidden user	0.14 s	C	2020-08-08 10:45:16
3	Ivan Petrov	0.40 s	C	2019-10-10 09:44:13

#	User	Runtime	Language	Date
1	Hannah Saffel	0.09 s	C#	2019-04-09 18:17:17
2	LenardSkeenard	0.12 s	C#	2021-11-09 00:31:47
3	James Wob	0.38 s	C#	2021-11-08 04:06:51
4	Hidden user	2.84 s	C#	2021-11-08 01:12:44

#	User	Runtime	Language	Date
1	Colin Li	0.01 s	C++	2018-11-10 05:33:06
2	Pasindu Tennakoon	0.01 s	C++	2018-11-18 21:35:52
3	Mircea-David Silaghi	0.01 s	C++	2019-10-12 19:39:53
4	Ian Orzel	0.01 s	C++	2019-10-12 19:43:28
5	Leif Eriksson	0.01 s	C++	2022-03-28 16:08:55
6	Le Thien Phuc Nguyen	0.01 s	C++	2023-12-19 06:03:01
7	人外沙耶	0.01 s	C++	2023-12-21 07:46:18
8	Kelvin Zheng	0.01 s	C++	2025-03-27 16:24:58
9	Eric Li	0.01 s	C++	2025-03-30 04:24:14
10	Hidden user	0.01 s	C++	2025-03-30 05:58:11

#	User	Runtime	Language	Date
1	Norbert Voelker	0.04 s	Go	2023-11-19 16:21:07

#	User	Runtime	Language	Date
1	Steinar Simonnes	1.57 s	Haskell	2024-10-13 12:56:36

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.12 s	Java	2025-03-02 15:31:32
2	Hieu Le	0.15 s	Java	2018-11-03 19:46:23
3	Crystal Sharpe	0.16 s	Java	2020-05-20 07:04:39
4	Alan Zhou	0.17 s	Java	2025-03-30 04:42:05
5	Sim Kian Seng	0.20 s	Java	2023-10-29 08:41:46
6	Yong Shi Kang	0.21 s	Java	2023-11-08 19:27:41
7	Hidden user	0.21 s	Java	2023-11-09 13:22:30
8	Dhiraputta Pathama Tengara	0.21 s	Java	2023-11-11 16:20:13
9	Ali Pervaiz	0.24 s	Java	2019-08-18 23:21:42
10	Daniel Koceja	0.24 s	Java	2019-11-15 16:19:52

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.18 s	JavaScript (SpiderMonkey)	2024-03-04 01:03:46
2	Christian Pilegaard Cederquist	0.70 s	JavaScript (SpiderMonkey)	2023-07-27 22:30:51
3	Zach Tschetter	2.78 s	JavaScript (SpiderMonkey)	2023-05-29 00:00:45

#	User	Runtime	Language	Date
1	Jacob Huebner	0.63 s	Kotlin	2020-02-27 05:19:02
2	Nicholas Johnson	0.72 s	Kotlin	2021-03-30 05:04:27
3	Hidden user	0.73 s	Kotlin	2020-02-29 21:19:14
4	Aksel Holbek Sørbye	0.96 s	Kotlin	2025-08-28 14:29:44
5	Kiel Dowdle	1.14 s	Kotlin	2021-03-31 03:19:59
6	Phường Lên	1.41 s	Kotlin	2020-02-12 07:11:30

#	User	Runtime	Language	Date
1	Maj Stenmark	0.49 s	Python 2	2018-11-24 21:08:41
2	Asher Trockman	2.10 s	Python 2	2018-11-04 19:55:00
3	Andreas Björklund	2.80 s	Python 2	2020-11-22 15:32:37

#	User	Runtime	Language	Date
1	Christian Blumenthal	0.13 s	Python 3	2024-10-31 12:14:24
2	Lennart Meyling	0.23 s	Python 3	2023-07-23 01:33:18
3	Dave Gallagher	0.25 s	Python 3	2025-01-05 17:57:47
4	Thomas McKanna	0.36 s	Python 3	2020-06-14 20:57:15
5	Lin Yuen (Rvhs)	0.40 s	Python 3	2024-07-28 16:50:18
6	Joshua Brody	0.43 s	Python 3	2024-10-15 19:52:03
7	Christopher Chen	0.46 s	Python 3	2021-11-09 14:20:39
8	Maxim Barbe	0.57 s	Python 3	2024-06-19 01:17:50
9	Pedro Sugiyama	0.58 s	Python 3	2023-03-03 02:22:23
10	Sam Hu	0.66 s	Python 3	2023-12-09 17:58:34

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2025-08-24 16:01:52
2	Akemi Izuko	0.02 s	Rust	2022-10-10 20:08:47
3	Bas Dirks	0.05 s	Rust	2024-02-19 18:34:19
4	Nicholas Bachmann Tjørnelund	0.06 s	Rust	2021-03-06 14:21:03
5	Mckinley Xie	0.06 s	Rust	2025-03-29 23:40:32
6	Yinuo Huang	0.09 s	Rust	2024-05-21 03:04:20
7	Noah Weninger	0.10 s	Rust	2018-11-07 06:20:37

#	User	Length	Language	Date
1	Hidden user	2244	C	2024-12-15 23:20:40
2	Hidden user	2648	C	2020-08-08 10:45:16
3	Ivan Petrov	5312	C	2019-10-10 09:44:13

#	User	Length	Language	Date
1	Hidden user	3466	C#	2021-11-08 01:12:44
2	James Wob	3495	C#	2021-11-08 04:06:51
3	Hannah Saffel	4400	C#	2019-04-09 18:17:17
4	LenardSkeenard	6528	C#	2021-11-09 00:31:47

#	User	Length	Language	Date
1	Hidden user	1034	C++	2022-10-18 00:09:13
2	qijia li	1054	C++	2022-10-14 17:14:13
3	Jerrell Ezralemuel	1075	C++	2020-01-27 06:05:23
4	Markus Mathiasen	1128	C++	2023-07-26 14:49:12
5	Donald Dong	1153	C++	2022-03-21 03:35:15
6	Timothy Mou	1155	C++	2023-02-27 18:56:34
7	Nicolai Robinson	1168	C++	2023-04-14 13:32:21
8	Hải Minh	1176	C++	2020-01-22 18:02:13
9	Simone Moretti	1205	C++	2021-10-05 21:30:19
10	Ankeet Parikh	1208	C++	2018-11-11 18:45:18

#	User	Length	Language	Date
1	Norbert Voelker	9058	Go	2023-11-19 16:24:58

#	User	Length	Language	Date
1	Steinar Simonnes	3869	Haskell	2024-10-13 12:56:36

#	User	Length	Language	Date
1	Miorel Palii	1784	Java	2018-11-04 00:29:46
2	Walter Han	1788	Java	2019-10-12 19:59:39
3	Brendan King	1943	Java	2020-10-17 21:24:26
4	Suhas T. Nagar	1964	Java	2023-10-18 02:28:58
5	Sam Reinehr	1977	Java	2018-11-06 00:16:43
6	Calvin Godfrey	1985	Java	2019-10-12 23:17:10
7	Duncan Page	2045	Java	2018-11-06 00:15:01
8	Joey Woodson	2088	Java	2018-11-17 21:45:46
9	Darrin Wiley	2096	Java	2019-10-13 23:42:21
10	Joseph Dyer	2157	Java	2019-10-12 22:31:38

#	User	Length	Language	Date
1	Zach Tschetter	1135	JavaScript (SpiderMonkey)	2023-05-29 00:00:45
2	Christian Pilegaard Cederquist	1589	JavaScript (SpiderMonkey)	2023-07-27 22:30:51
3	Bjørn Chr. Soltvedt	19602	JavaScript (SpiderMonkey)	2024-03-03 22:17:25

#	User	Length	Language	Date
1	Phường Lên	2375	Kotlin	2020-02-12 07:11:30
2	Jacob Huebner	2538	Kotlin	2020-02-27 05:15:55
3	Hidden user	2627	Kotlin	2020-02-29 21:19:14
4	Kiel Dowdle	2863	Kotlin	2021-03-31 03:19:59
5	Nicholas Johnson	3115	Kotlin	2021-03-30 05:04:27
6	Aksel Holbek Sørbye	24831	Kotlin	2025-08-28 14:29:44

#	User	Length	Language	Date
1	Andreas Björklund	770	Python 2	2020-11-22 15:32:37
2	Maj Stenmark	1193	Python 2	2018-11-24 21:08:41
3	Asher Trockman	1330	Python 2	2018-11-04 19:55:00

#	User	Length	Language	Date
1	Michael Goldwasser	393	Python 3	2024-03-26 05:17:22
2	Daniel Keyes	396	Python 3	2022-11-17 04:33:54
3	Casper Rysgaard	507	Python 3	2024-06-18 11:12:08
4	Keshav Dharshan	560	Python 3	2025-03-29 19:38:08
5	Christian Blumenthal	599	Python 3	2024-10-31 12:14:24
6	Kelly Dance	634	Python 3	2022-11-24 22:32:59
7	Zac Friggstad	722	Python 3	2022-01-30 19:23:18
8	Oskar Haarklou Veileborg	733	Python 3	2020-03-03 12:20:40
9	Hidden user	833	Python 3	2025-03-29 22:16:55
10	Bryon Tjanaka	838	Python 3	2019-11-08 04:38:12

#	User	Length	Language	Date
1	Noah Weninger	2063	Rust	2018-11-07 06:18:00
2	Nicholas Bachmann Tjørnelund	2595	Rust	2021-03-06 14:21:03
3	Mckinley Xie	2818	Rust	2025-03-29 23:40:32
4	Yinuo Huang	2870	Rust	2024-05-21 03:04:20
5	Bas Dirks	4608	Rust	2024-02-19 18:34:19
6	Akemi Izuko	5285	Rust	2022-10-10 20:08:47
7	Vincent Lagerros	8098	Rust	2024-05-23 16:02:07

Solution running time distribution