Problem I
Triangular Collection — Problem Statistics

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Submissions	546
Accepted submissions	242
Submission ratio	44.32%
Authors	287
Full solves [?]	220
Full solve Ratio	76.66%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2022-02-08 17:23:18

#	User	Runtime	Language	Date
1	Brent Yorgey	0.01 s	Haskell	2021-05-24 16:33:44

#	User	Runtime	Language	Date
1	Joshua Mott	0.06 s	Java	2021-03-06 21:14:25
2	Finn Lidbetter	0.06 s	Java	2021-05-23 21:19:34
3	Ray Bai	0.06 s	Java	2022-02-24 00:45:03
4	Crystal Sharpe	0.07 s	Java	2021-03-06 20:44:04
5	Mong-En Ip	0.07 s	Java	2021-03-06 21:07:43
6	Mark Sturtevant	0.07 s	Java	2021-03-06 21:12:54
7	Toan Vu	0.07 s	Java	2021-03-06 22:41:22
8	Daniel West	0.07 s	Java	2021-03-08 15:48:13
9	Intothe Unknown	0.10 s	Java	2023-08-16 05:31:04
10	Rene Sandagon	0.10 s	Java	2023-08-22 10:22:31

#	User	Runtime	Language	Date
1	Timothy Gaede	0.67 s	Julia	2024-07-31 13:34:20

#	User	Runtime	Language	Date
1	Andreas Björklund	0.04 s	Python 2	2021-05-24 21:00:26

#	User	Runtime	Language	Date
1	Mathew Randal	0.04 s	Python 3	2025-02-08 23:17:42
2	Joe	0.04 s	Python 3	2025-11-01 17:46:22
3	Tommy Nguyen	0.04 s	Python 3	2025-11-08 00:03:42
4	Paul Swingle	0.04 s	Python 3	2025-11-09 00:44:41
5	Fenghua Li	0.04 s	Python 3	2026-02-13 21:29:33
6	Hidden user	0.04 s	Python 3	2026-02-15 18:11:05
7	Juan Moscoso	0.05 s	Python 3	2022-10-27 00:01:21
8	Alex Waese-Perlman	0.05 s	Python 3	2022-11-19 04:27:04
9	Shashank Bhatt	0.05 s	Python 3	2023-01-17 22:33:11
10	Shang-En Huang	0.05 s	Python 3	2023-02-09 19:03:14

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-06-21 14:28:53

#	User	Length	Language	Date
1	Bergur Snorrason	1878	C	2022-02-08 17:23:18

#	User	Length	Language	Date
1	Nathan Jones	404	C++	2021-03-09 00:11:03
2	Xuanchen Liu	404	C++	2021-03-09 00:13:53
3	Zhuolin Yang	408	C++	2021-03-06 20:14:47
4	Cliff McGinnis	430	C++	2021-09-02 19:47:58
5	Phuong Tran	432	C++	2021-03-06 21:00:04
6	Tyler Marks	432	C++	2021-12-10 21:35:44
7	Dmitry Lyubshin	450	C++	2023-04-27 10:24:20
8	Hidden user	452	C++	2025-04-16 14:56:27
9	Alexander Morozov	455	C++	2021-03-06 20:25:18
10	Rafael Kristoforus Yanto	455	C++	2025-01-25 23:52:32

#	User	Length	Language	Date
1	Brent Yorgey	592	Haskell	2021-05-24 16:33:44

#	User	Length	Language	Date
1	Elizabeth Trader	679	Java	2021-03-07 19:05:23
2	Rene Sandagon	711	Java	2023-08-22 10:22:31
3	Intothe Unknown	712	Java	2023-08-16 05:31:04
4	Steven Xu	787	Java	2021-03-06 20:50:36
5	Mayuri Birari	795	Java	2024-02-10 21:02:53
6	Doug Goodman	899	Java	2022-05-02 19:20:27
7	Ryan Glaspey	927	Java	2021-03-06 21:11:45
8	Robert Heine	931	Java	2021-03-06 22:08:32
9	Yerong Li	940	Java	2022-02-26 20:59:12
10	Daniel West	1120	Java	2021-03-08 15:48:13

#	User	Length	Language	Date
1	Timothy Gaede	787	Julia	2024-07-31 13:34:20

#	User	Length	Language	Date
1	Andreas Björklund	239	Python 2	2021-05-24 21:00:26

#	User	Length	Language	Date
1	Clement Oh	119	Python 3	2023-06-19 12:05:12
2	Nicholas Russell Saerang	133	Python 3	2025-01-25 23:08:54
3	Ahmed Chamseddine	203	Python 3	2023-10-05 19:27:36
4	Yong Mao	207	Python 3	2023-07-20 04:14:05
5	Nick Wu	218	Python 3	2021-07-08 21:01:27
6	Hrant Hovhannisyan	218	Python 3	2025-07-22 09:18:23
7	Nico Klaassen	228	Python 3	2023-10-18 19:43:29
8	George Zhang	238	Python 3	2023-10-05 01:15:42
9	Erick Ross	240	Python 3	2021-03-06 21:23:44
10	Shang-En Huang	269	Python 3	2023-02-09 19:03:14

#	User	Length	Language	Date
1	Thomas Feld	87	Ruby	2023-06-21 14:54:56

Solution running time distribution