Problem A
Rainbow Numbers — Problem Statistics

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Submissions	587
Accepted submissions	149
Submission ratio	25.38%
Authors	198
Full solves [?]	128
Full solve Ratio	64.65%

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.10 s	Java	2021-03-06 23:26:01
2	Daniel West	0.33 s	Java	2021-03-06 19:49:55
3	Steven Xu	0.38 s	Java	2021-03-06 23:57:02
4	Ryan Glaspey	0.43 s	Java	2021-03-07 00:48:09
5	Mark Sturtevant	0.44 s	Java	2021-03-06 23:59:27
6	Jianan Pang	0.51 s	Java	2021-03-09 21:21:39
7	Natalie Longtin	0.56 s	Java	2021-03-06 19:51:48
8	Mong-En Ip	0.73 s	Java	2021-03-06 21:50:02
9	Finn Lidbetter	0.80 s	Java	2021-05-23 19:21:02
10	Joshua Delgado	0.81 s	Java	2021-03-06 21:53:51

#	User	Runtime	Language	Date
1	Andreas Björklund	0.04 s	Python 2	2021-05-22 10:53:15

#	User	Runtime	Language	Date
1	Alex Waese-Perlman	0.05 s	Python 3	2022-11-19 04:12:52
2	Nicholas Russell Saerang	0.05 s	Python 3	2024-09-03 13:50:40
3	Amit Joshi	0.06 s	Python 3	2021-03-07 04:57:46
4	Isaac Lee	0.06 s	Python 3	2021-06-04 04:46:13
5	Eric Zhang	0.07 s	Python 3	2021-03-06 22:54:34
6	Arnav Sastry	0.07 s	Python 3	2021-05-26 21:24:11
7	Doug Goodman	0.07 s	Python 3	2023-11-24 21:52:03
8	Grant Skaggs	0.08 s	Python 3	2021-03-06 22:09:01
9	Joe	0.10 s	Python 3	2025-11-01 21:55:55
10	Noble Mushtak	0.11 s	Python 3	2021-03-06 22:23:41

#	User	Length	Language	Date
1	Dmitry Lyubshin	654	C++	2023-05-20 01:42:59
2	Yen-Hsiang Chang	771	C++	2021-03-06 20:33:05
3	Atli Fannar Franklín	822	C++	2022-02-14 21:21:21
4	Dominic Sagen	875	C++	2023-06-04 23:15:49
5	Yipeng Yang	983	C++	2021-03-06 20:45:48
6	Erik Amirell Eklöf	1132	C++	2021-10-27 16:43:49
7	Jingbang Chen	1144	C++	2021-03-06 19:55:36
8	Alexandru Rudi	1209	C++	2021-03-06 21:04:07
9	Zhuolin Yang	1246	C++	2021-03-06 19:46:58
10	Oskar Haarklou Veileborg	1249	C++	2021-07-14 09:36:02

#	User	Length	Language	Date
1	Blake Gassman	1960	Java	2022-10-26 04:00:16
2	Daniel West	2191	Java	2021-03-06 19:49:55
3	Finn Lidbetter	2520	Java	2021-05-23 19:21:02
4	Steven Xu	2718	Java	2021-03-06 23:57:02
5	Natalie Longtin	3009	Java	2021-03-06 19:51:48
6	Ryan Glaspey	3038	Java	2021-03-07 00:48:09
7	Crystal Sharpe	3117	Java	2021-03-06 23:26:01
8	Jianan Pang	3195	Java	2021-03-09 21:21:39
9	Mong-En Ip	3478	Java	2021-03-06 21:50:02
10	Mark Sturtevant	4498	Java	2021-03-06 23:59:27

#	User	Length	Language	Date
1	Andreas Björklund	687	Python 2	2021-05-22 10:53:15

#	User	Length	Language	Date
1	Hidden user	261	Python 3	2021-12-17 00:00:25
2	Hidden user	495	Python 3	2023-05-11 14:46:14
3	Yong Mao	496	Python 3	2023-12-30 04:17:00
4	Nicholas Russell Saerang	560	Python 3	2024-09-03 13:50:40
5	Isaac Lee	605	Python 3	2021-06-04 04:46:13
6	Jeremy Allison	659	Python 3	2025-10-29 22:13:46
7	David Zhuang	685	Python 3	2022-09-17 05:02:24
8	Paul Swingle	704	Python 3	2025-11-09 00:44:45
9	Doug Goodman	724	Python 3	2023-11-24 21:52:03
10	John Rabaey	743	Python 3	2023-02-20 23:14:53

Solution running time distribution