Problem A
Allergen Testing — Problem Statistics

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Submissions	1089
Accepted submissions	257
Submission ratio	23.60%
Authors	270
Full solves [?]	191
Full solve Ratio	70.74%

#	User	Runtime	Language	Date
1	Alexander Bilde Pedersen	0.00 s	C	2025-02-03 22:27:06

#	User	Runtime	Language	Date
1	Bjørn Dons	0.17 s	Java	2023-10-01 20:32:24
2	Jeffrey H.	0.18 s	Java	2023-10-29 05:32:00
3	Finn Lidbetter	0.57 s	Java	2023-05-30 15:26:55

#	User	Runtime	Language	Date
1	Adam Rankin	0.34 s	Kotlin	2026-01-13 05:25:30
2	Jacob Huebner	0.37 s	Kotlin	2023-06-10 03:02:34

#	User	Runtime	Language	Date
1	Danny Sleator	0.02 s	OCaml	2023-05-31 16:15:04

#	User	Runtime	Language	Date
1	UTM CS AI	0.05 s	Python 3	2024-08-30 20:57:22
2	Brayant Vásquez Gómez	0.05 s	Python 3	2025-11-07 20:59:15
3	nicolas gomez	0.05 s	Python 3	2025-11-07 21:26:57
4	Juancho Sarmiento	0.05 s	Python 3	2025-11-07 21:55:58
5	Hidden user	0.05 s	Python 3	2026-02-13 06:28:51
6	Muhammad Maaz	0.06 s	Python 3	2025-11-24 15:35:37
7	Ole Vik Lysne	0.06 s	Python 3	2026-02-21 22:43:51
8	Chris Kopp	0.07 s	Python 3	2023-11-02 04:44:49
9	Huiling Tang	0.07 s	Python 3	2024-10-28 02:09:53
10	Andy Liang	0.07 s	Python 3	2025-05-11 02:05:39

#	User	Runtime	Language	Date
1	Thomas Feld	0.10 s	Ruby	2023-06-02 15:27:06

#	User	Runtime	Language	Date
1	Daniel Anker Hermansen	0.02 s	Rust	2024-06-04 15:10:02

#	User	Length	Language	Date
1	Alexander Bilde Pedersen	399	C	2025-02-03 22:27:06

#	User	Length	Language	Date
1	Nathan Duncan	230	C++	2023-06-05 01:47:56
2	Johan Wind	242	C++	2025-11-10 20:53:52
3	Aditya Sundaram	293	C++	2023-05-30 06:13:07
4	Thomas Li	296	C++	2024-04-12 01:05:11
5	Andrew He	316	C++	2023-05-29 22:45:05
6	Chris Trevisan	337	C++	2023-06-10 20:34:24
7	Dmitry Lyubshin	342	C++	2023-05-30 16:29:26
8	Dominic Sagen	360	C++	2023-06-03 22:15:36
9	Hidden user	388	C++	2025-04-15 14:17:46
10	Amirreza Ektesabi	389	C++	2024-05-11 13:54:04

#	User	Length	Language	Date
1	Jeffrey H.	1154	Java	2023-10-29 05:32:00
2	Finn Lidbetter	1422	Java	2023-05-30 15:26:55
3	Bjørn Dons	4983	Java	2023-10-01 20:32:24

#	User	Length	Language	Date
1	Jacob Huebner	461	Kotlin	2023-06-10 03:02:34
2	Adam Rankin	616	Kotlin	2026-01-13 05:25:30

#	User	Length	Language	Date
1	Danny Sleator	963	OCaml	2023-05-31 16:15:04

#	User	Length	Language	Date
1	Daniel Bogorad	83	Python 3	2026-03-15 02:58:30
2	Chris Kopp	86	Python 3	2023-11-02 04:46:11
3	Tyler Marks	95	Python 3	2023-05-31 06:31:37
4	Nicholas Russell Saerang	96	Python 3	2024-07-03 06:32:57
5	Yong Mao	98	Python 3	2023-08-21 03:54:32
6	Kim Jong Un	99	Python 3	2024-07-06 10:35:21
7	Jorge Clouthier Chávez	99	Python 3	2024-07-21 22:35:04
8	12-Phạm Minh Đức	99	Python 3	2024-10-20 20:22:43
9	Laraib	99	Python 3	2025-01-04 07:57:24
10	Mark Sturtevant	101	Python 3	2023-05-31 08:45:03

#	User	Length	Language	Date
1	Thomas Feld	56	Ruby	2023-06-02 15:35:30

#	User	Length	Language	Date
1	Daniel Anker Hermansen	26819	Rust	2024-06-04 15:10:02

Solution running time distribution