Problem B
Memories of Passport Control — Problem Statistics

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Submissions	1260
Accepted submissions	697
Submission ratio	55.32%
Authors	683
Full solves [?]	660
Full solve Ratio	96.63%

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	APL	2025-11-10 12:50:37
2	Ștefan-Iulian Alecu	0.02 s	APL	2025-11-15 14:21:12

#	User	Runtime	Language	Date
1	Thomas Feld	0.01 s	Bash	2025-11-10 12:39:02
2	Chenzhang Hu	0.01 s	Bash	2025-11-10 15:02:42
3	Danny Robinson	0.01 s	Bash	2026-01-01 14:10:33

#	User	Runtime	Language	Date
1	Deci Bel	0.04 s	C#	2025-11-09 18:35:21
2	Mark Nickelsen	0.04 s	C#	2025-11-09 19:33:03
3	Գոռ Բաղդասարյան	0.04 s	C#	2025-11-10 16:06:49
4	Anggit Wicaksana	0.04 s	C#	2025-11-24 06:34:49
5	Leftie 520	0.04 s	C#	2026-01-14 01:30:36
6	Cory Kalm	0.05 s	C#	2025-11-11 15:14:11
7	Tonny Abrahamsson	0.05 s	C#	2025-11-13 22:51:16
8	Dennis Stegnell	0.05 s	C#	2025-11-17 08:23:33
9	Julia Duffy	0.05 s	C#	2026-01-14 17:31:43
10	Michael Utecht	0.05 s	C#	2026-01-18 02:42:59

#	User	Runtime	Language	Date
1	Kevin Gomez	0.01 s	Common Lisp	2025-11-29 01:12:00
2	J Sotomayor	0.01 s	Common Lisp	2026-02-11 21:04:21

#	User	Runtime	Language	Date
1	Mehrshad Kavousi	0.00 s	Crystal	2025-12-30 15:12:41

#	User	Runtime	Language	Date
1	Christoph H	0.00 s	Go	2025-11-29 22:05:16
2	Andini Anissa	0.00 s	Go	2025-12-15 02:58:59
3	Nguyên Khôi Đỗ	0.00 s	Go	2026-01-20 15:43:09

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Haskell	2025-11-10 16:35:28
2	Brent Yorgey	0.00 s	Haskell	2025-11-11 12:49:14
3	Juan Miguel Vilar	0.00 s	Haskell	2025-11-11 13:30:39
4	Morten Lohne	0.00 s	Haskell	2025-11-12 10:39:30
5	Steinar Simonnes	0.00 s	Haskell	2025-11-15 22:44:14
6	Shinji Koshida	0.00 s	Haskell	2025-12-06 17:06:36

#	User	Runtime	Language	Date
1	Aiden Amaya	0.04 s	Java	2025-11-08 19:58:18
2	Mark Sturtevant	0.04 s	Java	2025-11-08 23:07:26
3	Ranjith M	0.04 s	Java	2025-11-14 03:23:47
4	Issa Issack	0.04 s	Java	2025-11-15 01:59:20
5	Lee Heng Sheng	0.04 s	Java	2025-11-29 08:23:40
6	Squishy Fish	0.04 s	Java	2026-01-17 11:17:14
7	pothyne	0.04 s	Java	2026-01-20 21:03:35
8	Julius Griebel	0.04 s	Java	2026-02-28 17:42:22
9	Nicolas Alejandro Bohorquez Gross	0.04 s	Java	2026-03-07 17:54:30
10	Markus Bao	0.05 s	Java	2026-01-18 06:00:51

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	JavaScript (Node.js)	2025-11-25 05:28:25
2	Gabriel Hofer	0.05 s	JavaScript (Node.js)	2025-12-01 08:00:40

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2025-11-09 07:13:16
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2025-11-13 22:34:57

#	User	Runtime	Language	Date
1	Timothy Gaede	0.41 s	Julia	2025-11-09 05:42:43

#	User	Runtime	Language	Date
1	Luka Chabot	0.22 s	Kotlin	2025-11-18 09:53:54
2	Adam Rankin	0.22 s	Kotlin	2026-01-11 21:05:07
3	Chris Johnson	0.24 s	Kotlin	2025-11-08 21:04:47
4	Bellameche Yanis	0.24 s	Kotlin	2025-11-18 10:34:33

#	User	Runtime	Language	Date
1	Martha Kosa	0.00 s	OCaml	2025-11-15 03:37:01

#	User	Runtime	Language	Date
1	Jakob Norell	0.00 s	Odin	2026-03-16 10:21:03

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2025-12-25 13:45:50

#	User	Runtime	Language	Date
1	Renate	0.01 s	PHP	2026-03-06 00:35:05

#	User	Runtime	Language	Date
1	Eza Muh	0.07 s	Python 2	2026-01-26 10:04:40

#	User	Runtime	Language	Date
1	Dillon Rose	0.04 s	Python 3	2025-11-08 19:40:40
2	Mayukh Intesar Islam	0.04 s	Python 3	2025-11-08 19:42:51
3	George Small	0.04 s	Python 3	2025-11-08 19:43:38
4	David Nathanson	0.04 s	Python 3	2025-11-08 19:44:09
5	Tristan West	0.04 s	Python 3	2025-11-08 19:46:06
6	RJ Clines	0.04 s	Python 3	2025-11-08 19:47:26
7	Tyler Thalhauser	0.04 s	Python 3	2025-11-08 19:48:29
8	Matt Greenblatt	0.04 s	Python 3	2025-11-08 19:49:16
9	Michael W	0.04 s	Python 3	2025-11-08 19:50:16
10	Thuan Van Tu	0.04 s	Python 3	2025-11-08 19:52:41

#	User	Runtime	Language	Date
1	Eugen Neagoe	0.06 s	Ruby	2026-01-17 18:32:52
2	Matzuka	0.07 s	Ruby	2025-11-09 16:55:34
3	Thomas Feld	0.07 s	Ruby	2025-11-10 12:37:03
4	Russell Ng	0.07 s	Ruby	2025-11-14 20:14:47

#	User	Runtime	Language	Date
1	Grettir Heimisson	0.00 s	Zig	2025-11-09 20:38:15

#	User	Length	Language	Date
1	Thomas Feld	23	APL	2025-11-10 12:54:00
2	Ștefan-Iulian Alecu	35	APL	2025-11-15 14:21:12

#	User	Length	Language	Date
1	Chenzhang Hu	24	Bash	2025-11-10 15:02:42
2	Thomas Feld	25	Bash	2025-11-10 12:39:15
3	Danny Robinson	29	Bash	2026-01-01 14:10:33

#	User	Length	Language	Date
1	Bergur Snorrason	106	C	2025-11-10 08:31:41
2	Shiroy Sattur	108	C	2025-11-13 08:02:58
3	Sebastian Banert	110	C	2025-12-19 18:45:18
4	Luca Stavasius	119	C	2025-11-28 12:25:51
5	Tyler Mulholland	120	C	2026-02-06 00:43:44
6	Anuj Kochar	124	C	2025-12-08 16:54:33
7	SUBICSA P	136	C	2025-12-25 07:24:30
8	Frida Ljudén	136	C	2026-01-12 11:55:19
9	Thai Van Phuc	136	C	2026-02-05 15:32:03
10	Oliver	138	C	2025-12-23 21:40:13

#	User	Length	Language	Date
1	Julia Duffy	152	C#	2026-01-14 17:31:43
2	Deci Bel	200	C#	2025-11-09 18:35:21
3	Tonny Abrahamsson	213	C#	2025-11-13 22:51:16
4	Mark Nickelsen	259	C#	2025-11-09 19:33:03
5	Գոռ Բաղդասարյան	264	C#	2025-11-10 16:06:49
6	Leftie 520	282	C#	2026-01-14 01:30:36
7	Michael Utecht	308	C#	2026-01-18 02:42:59
8	Cory Kalm	492	C#	2025-11-11 15:14:11
9	Anggit Wicaksana	510	C#	2025-11-24 06:34:49
10	Dennis Stegnell	769	C#	2025-11-17 08:23:33

#	User	Length	Language	Date
1	Sven Rönnbäck	81	C++	2025-11-09 21:58:54
2	Frans Meulenbroeks	87	C++	2026-01-28 13:31:39
3	Brilliant Misalayuk	95	C++	2026-01-10 08:20:20
4	Kerk Tai Heng	97	C++	2025-12-03 18:03:05
5	Mathias Gernez	106	C++	2026-02-09 11:32:36
6	Destiny Müller	109	C++	08:51:52
7	Bui Phuong Nam	111	C++	2025-11-11 17:57:10
8	Weisheng Zheng	112	C++	2026-02-12 14:26:21
9	Jayden Gardner	114	C++	2026-01-27 23:06:16
10	Irawan	115	C++	2025-11-14 14:06:00

#	User	Length	Language	Date
1	Kevin Gomez	48	Common Lisp	2025-11-29 01:12:00
2	J Sotomayor	232	Common Lisp	2026-02-11 21:04:21

#	User	Length	Language	Date
1	Mehrshad Kavousi	57	Crystal	2025-12-30 15:12:41

#	User	Length	Language	Date
1	Christoph H	107	Go	2025-11-29 22:05:16
2	Nguyên Khôi Đỗ	110	Go	2026-01-20 15:43:09
3	Andini Anissa	593	Go	2025-12-15 02:58:59

#	User	Length	Language	Date
1	Juan Miguel Vilar	59	Haskell	2025-11-11 13:30:39
2	Morten Lohne	90	Haskell	2025-11-12 10:39:30
3	Hidden user	102	Haskell	2025-11-10 16:35:28
4	Steinar Simonnes	113	Haskell	2025-11-15 22:44:14
5	Shinji Koshida	158	Haskell	2025-12-06 17:06:36
6	Brent Yorgey	249	Haskell	2025-11-11 12:49:14

#	User	Length	Language	Date
1	Terry Morris	236	Java	2025-11-13 18:41:12
2	Sean Foley	251	Java	2025-11-08 21:25:51
3	Hidden user	256	Java	2025-11-08 20:00:40
4	Thomas Anung Basuki	260	Java	2025-11-29 15:22:58
5	Emily Klakegg Hegdal	263	Java	2025-12-04 17:39:31
6	Ryan Hayden	264	Java	2026-01-12 15:49:21
7	Einar Þór Ívarsson	264	Java	2026-02-11 11:28:55
8	Aarthi Mikkilineni	270	Java	2025-11-12 19:11:25
9	Michelle Bradley	276	Java	2025-12-08 18:44:44
10	Hunter Mullen	277	Java	2025-11-11 15:21:09

#	User	Length	Language	Date
1	Gabriel Hofer	332	JavaScript (Node.js)	2025-12-01 08:00:40
2	Hidden user	628	JavaScript (Node.js)	2025-11-25 05:28:25

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	65	JavaScript (SpiderMonkey)	2025-11-09 07:14:25
2	Christian Pilegaard Cederquist	109	JavaScript (SpiderMonkey)	2025-11-13 22:34:57

#	User	Length	Language	Date
1	Timothy Gaede	116	Julia	2025-11-09 05:42:43

#	User	Length	Language	Date
1	Adam Rankin	100	Kotlin	2026-01-11 21:05:07
2	Bellameche Yanis	125	Kotlin	2025-11-18 10:34:33
3	Luka Chabot	146	Kotlin	2025-11-18 09:53:54
4	Chris Johnson	206	Kotlin	2025-11-08 21:04:47

#	User	Length	Language	Date
1	Martha Kosa	98	OCaml	2025-11-15 03:37:01

#	User	Length	Language	Date
1	Jakob Norell	987	Odin	2026-03-16 10:21:03

#	User	Length	Language	Date
1	Ingemar Ragnemalm	167	Pascal	2025-12-25 13:45:50

#	User	Length	Language	Date
1	Renate	98	PHP	2026-03-06 00:35:05

#	User	Length	Language	Date
1	Eza Muh	48	Python 2	2026-01-26 10:04:40

#	User	Length	Language	Date
1	Yong Mao	44	Python 3	2025-11-09 03:30:29
2	Lex Janssens	44	Python 3	2025-11-09 18:41:16
3	Simen Sørensen	44	Python 3	2025-11-09 20:14:24
4	Ahmed Chamseddine	44	Python 3	2025-11-09 21:04:58
5	David Aldenbro	44	Python 3	2025-11-10 08:12:20
6	Nicholas Russell Saerang	44	Python 3	2025-11-10 09:03:05
7	Timothy Baeckelant	44	Python 3	2025-11-10 10:54:21
8	Simon Baeckelant	44	Python 3	2025-11-10 13:22:01
9	David Worley	44	Python 3	2025-11-10 17:22:16
10	Ole Vik Lysne	44	Python 3	2025-11-10 19:40:12

#	User	Length	Language	Date
1	Thomas Feld	31	Ruby	2025-11-10 12:37:03
2	Russell Ng	35	Ruby	2025-11-14 20:14:47
3	Matzuka	42	Ruby	2025-11-09 16:55:34
4	Eugen Neagoe	50	Ruby	2026-01-17 18:32:52

#	User	Length	Language	Date
1	Emil Dichmann	238	Rust	2026-02-22 20:30:32
2	David Rasch	251	Rust	2025-11-10 15:04:15
3	Vincent Lagerros	255	Rust	2025-11-10 19:14:32
4	Edward Stanford	286	Rust	2026-01-14 01:34:26
5	Pankajkumar Patro	297	Rust	2025-11-10 13:13:17
6	Rasmus Melin	328	Rust	2026-01-21 16:02:37
7	Gowtham D B	328	Rust	2026-02-23 15:13:41
8	Mikael Fiala-Lundström	340	Rust	2026-02-12 00:01:33
9	Jacky Blois	383	Rust	2025-12-15 13:21:37
10	Isak Jägberg	388	Rust	2025-12-13 21:07:35

#	User	Length	Language	Date
1	Grettir Heimisson	2134	Zig	2025-11-09 20:38:15

Solution running time distribution