Problem I
Pigeon-holes — Problem Statistics

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Submissions	738
Accepted submissions	312
Submission ratio	42.28%
Authors	297
Full solves [?]	280
Full solve Ratio	94.28%

#	User	Score	Language	Date
1	Chenzhang Hu	100	Bash	2025-04-11 17:52:42
2	Danny Robinson	100	Bash	2025-07-30 11:37:16

#	User	Score	Language	Date
1	Sven Rönnbäck	100	C	2025-04-11 21:22:09
2	ROOPIKA S	100	C	2025-04-17 15:54:31
3	Fereshta Hasanzada	100	C	2025-05-28 15:26:16
4	Allan Nouri	100	C	2025-06-01 19:57:30
5	Mikael K Eriksson	100	C	2025-06-03 10:40:37
6	Símon Páll Birgirsson	100	C	2025-06-18 15:52:11
7	Bergur Snorrason	100	C	2025-07-21 23:35:21
8	Eduardo Vicente Petry	100	C	2025-08-11 03:34:31
9	Jeviczki Jane	100	C	2025-11-07 02:34:39

#	User	Score	Language	Date
1	Hidden user	100	C#	2025-03-08 15:39:32
2	Umar Rasyid	100	C#	2025-04-12 06:05:12
3	Deci Bel	100	C#	2025-05-18 17:32:18
4	Erik Algesten	100	C#	2025-07-10 10:07:10
5	Dennis Stegnell	100	C#	2025-09-05 02:25:26

#	User	Score	Language	Date
1	Hannes Kristján Hannesson	100	Go	2025-02-22 15:12:04
2	Norbert Voelker	100	Go	2025-05-17 21:58:21

#	User	Score	Language	Date
1	Brent Yorgey	100	Haskell	2025-04-13 04:07:29
2	Steinar Simonnes	100	Haskell	2025-04-15 13:22:00

#	User	Score	Language	Date
1	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2025-04-11 01:02:26
2	Christian Pilegaard Cederquist	100	JavaScript (SpiderMonkey)	2025-05-13 09:41:00
3	Jimmy Gustafsson	100	JavaScript (SpiderMonkey)	2025-05-16 16:05:07

#	User	Score	Language	Date
1	Timothy Gaede	100	Julia	2025-04-12 20:17:10

#	User	Score	Language	Date
1	Hamdanil Rasyid	100	Kotlin	2025-04-12 05:51:19

#	User	Score	Language	Date
1	Zeheng Li	100	Lua	2025-04-15 16:09:48

#	User	Score	Language	Date
1	Hidden user	100	Odin	2025-05-21 05:17:58

#	User	Score	Language	Date
1	Renate	100	PHP	2025-10-27 23:09:39

#	User	Score	Language	Date
1	Arnar Bjarni Arnarson	100	Prolog	2025-04-12 02:33:19

#	User	Score	Language	Date
1	Thomas Feld	100	Ruby	2025-06-30 09:55:16
2	Chenzhang Hu	100	Ruby	2025-09-22 16:04:56
3	Matzuka	100	Ruby	2025-11-01 18:27:55

#	User	Score	Language	Date
1	Vincent Lagerros	100	Rust	2025-04-11 16:46:28
2	Frank Endriss	100	Rust	2025-04-16 20:38:40
3	Isak Jägberg	100	Rust	2025-04-17 14:49:28
4	Gabriella Gloria	100	Rust	2025-04-21 16:02:33
5	Pankajkumar Patro	100	Rust	2025-04-22 14:22:33
6	Erik Magnusson	100	Rust	2025-06-07 17:32:46
7	C3Speedrun2025	100	Rust	2025-06-07 17:32:53
8	Hidden user	100	Rust	2025-07-10 13:32:07
9	Henrik Josefsson	100	Rust	2025-07-16 09:18:27
10	Emil Dichmann	100	Rust	2025-09-16 10:18:03

#	User	Score	Language	Date
1	Hidden user	100	Swift	2025-04-11 00:00:44

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2025-07-30 11:37:16
2	Chenzhang Hu	0.07 s	Bash	2025-09-13 01:18:03

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.00 s	C	2025-04-11 21:22:09
2	ROOPIKA S	0.00 s	C	2025-04-17 15:54:31
3	Fereshta Hasanzada	0.00 s	C	2025-05-28 15:26:16
4	Allan Nouri	0.00 s	C	2025-06-01 19:57:30
5	Mikael K Eriksson	0.00 s	C	2025-06-03 10:40:37
6	Símon Páll Birgirsson	0.00 s	C	2025-06-18 15:52:11
7	Bergur Snorrason	0.00 s	C	2025-07-21 23:35:21
8	Eduardo Vicente Petry	0.00 s	C	2025-08-11 03:34:31
9	Jeviczki Jane	0.00 s	C	2025-11-07 02:34:39

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	C#	2025-03-08 15:39:32
2	Umar Rasyid	0.04 s	C#	2025-04-12 06:05:12
3	Deci Bel	0.04 s	C#	2025-05-18 17:32:18
4	Erik Algesten	0.04 s	C#	2025-07-10 10:07:10
5	Dennis Stegnell	0.04 s	C#	2025-09-05 02:25:26

#	User	Runtime	Language	Date
1	Hannes Kristján Hannesson	0.00 s	Go	2025-02-22 15:12:04
2	Norbert Voelker	0.00 s	Go	2025-05-17 21:58:21

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2025-04-13 04:07:29
2	Steinar Simonnes	0.00 s	Haskell	2025-04-15 13:22:00

#	User	Runtime	Language	Date
1	Ben Cobb	0.04 s	Java	2025-04-14 19:59:12
2	Guangyi Zhou	0.04 s	Java	2025-05-19 10:45:05
3	Ranjith M	0.04 s	Java	2025-11-16 18:46:21
4	Marshall D Feng	0.08 s	Java	2025-04-27 05:11:36
5	Hunter Mullen	0.08 s	Java	2025-05-14 05:46:13
6	Hidden user	0.08 s	Java	2025-05-17 06:28:12
7	Lucas Johansson	0.08 s	Java	2025-12-03 19:22:41
8	Aruneem Bhowmick	0.09 s	Java	2025-07-17 20:05:55
9	Hidden user	0.09 s	Java	2025-07-18 09:10:23
10	Ric Zonta	0.09 s	Java	2025-08-02 23:38:32

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2025-04-11 01:02:26
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2025-05-13 09:41:00
3	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2025-05-16 16:05:07

#	User	Runtime	Language	Date
1	Timothy Gaede	0.42 s	Julia	2025-04-12 20:17:10

#	User	Runtime	Language	Date
1	Hamdanil Rasyid	0.20 s	Kotlin	2025-04-12 05:51:19

#	User	Runtime	Language	Date
1	Zeheng Li	0.00 s	Lua	2025-04-15 16:09:48

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-05-21 05:17:58

#	User	Runtime	Language	Date
1	Renate	0.01 s	PHP	2025-10-27 23:09:39

#	User	Runtime	Language	Date
1	Arnar Bjarni Arnarson	0.02 s	Prolog	2025-04-12 02:33:19

#	User	Runtime	Language	Date
1	Einar Darri sveinbjörnsson	0.04 s	Python 3	2025-02-22 14:18:00
2	Bjartur Sigurjonsson	0.04 s	Python 3	2025-02-22 15:05:03
3	Konráð Elí Sigurgeirsson	0.04 s	Python 3	2025-02-22 18:15:54
4	Pokeheart (Pokeheart)	0.04 s	Python 3	2025-03-08 14:33:41
5	Aleksander Klak	0.04 s	Python 3	2025-03-08 14:33:50
6	Álfgrímur Davíð	0.04 s	Python 3	2025-03-08 14:33:52
7	Viðar Darri Egilsson	0.04 s	Python 3	2025-03-08 14:35:11
8	Stefán Máni	0.04 s	Python 3	2025-03-08 14:36:43
9	Benedikt Fazakerley Richardsson	0.04 s	Python 3	2025-03-08 14:38:23
10	Dagbjört Rós Hrafnsdóttir	0.04 s	Python 3	2025-03-08 14:39:20

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2025-06-30 09:55:16
2	Matzuka	0.06 s	Ruby	2025-11-01 18:27:55
3	Chenzhang Hu	0.13 s	Ruby	2025-09-22 16:04:56

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-04-11 16:46:28
2	Frank Endriss	0.00 s	Rust	2025-04-16 20:38:40
3	Isak Jägberg	0.00 s	Rust	2025-04-17 14:49:28
4	Gabriella Gloria	0.00 s	Rust	2025-04-21 16:02:33
5	Pankajkumar Patro	0.00 s	Rust	2025-04-22 14:22:33
6	Erik Magnusson	0.00 s	Rust	2025-06-07 17:32:46
7	C3Speedrun2025	0.00 s	Rust	2025-06-07 17:32:53
8	Hidden user	0.00 s	Rust	2025-07-10 13:32:07
9	Henrik Josefsson	0.00 s	Rust	2025-07-16 09:18:27
10	Emil Dichmann	0.00 s	Rust	2025-09-16 10:18:03

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Swift	2025-04-11 00:00:44

#	User	Length	Language	Date
1	Chenzhang Hu	68	Bash	2025-09-13 01:18:03
2	Danny Robinson	70	Bash	2025-07-30 11:37:16

#	User	Length	Language	Date
1	Mikael K Eriksson	162	C	2025-06-03 10:40:37
2	Eduardo Vicente Petry	178	C	2025-08-11 03:34:31
3	Allan Nouri	217	C	2025-06-01 19:57:30
4	ROOPIKA S	276	C	2025-04-17 15:54:31
5	Fereshta Hasanzada	314	C	2025-05-28 15:26:16
6	Símon Páll Birgirsson	352	C	2025-06-18 15:52:11
7	Jeviczki Jane	511	C	2025-11-07 02:34:39
8	Sven Rönnbäck	657	C	2025-04-11 21:22:09
9	Bergur Snorrason	797	C	2025-07-21 23:35:21

#	User	Length	Language	Date
1	Deci Bel	304	C#	2025-05-18 17:32:18
2	Erik Algesten	428	C#	2025-07-10 10:07:10
3	Hidden user	477	C#	2025-03-08 15:39:32
4	Umar Rasyid	593	C#	2025-04-12 06:05:12
5	Dennis Stegnell	837	C#	2025-09-05 02:25:26

#	User	Length	Language	Date
1	Zacaria Tawfick	106	C++	2025-04-29 16:18:42
2	Gnúsi	182	C++	2025-04-15 23:34:47
3	Ernest Ng Zi Xuan	184	C++	2025-06-26 03:46:28
4	Jesús Pacheco Alonso	213	C++	2025-04-12 14:44:13
5	Ralf Merhof	224	C++	2025-04-19 10:35:58
6	Armen Andreasyan	239	C++	2025-05-15 20:58:24
7	David Marcos	240	C++	2025-05-01 11:31:57
8	Jayden Gardner	241	C++	2025-04-16 20:59:20
9	The Defender	244	C++	2025-11-10 13:59:02
10	Glenn Say	247	C++	2025-04-17 04:44:11

#	User	Length	Language	Date
1	Norbert Voelker	428	Go	2025-05-17 21:58:21
2	Hannes Kristján Hannesson	492	Go	2025-02-22 15:12:04

#	User	Length	Language	Date
1	Steinar Simonnes	296	Haskell	2025-04-15 13:22:00
2	Brent Yorgey	345	Haskell	2025-04-13 04:07:29

#	User	Length	Language	Date
1	Hidden user	371	Java	2025-05-17 06:28:12
2	Lucas Johansson	387	Java	2025-12-03 19:22:41
3	Thomas Anung Basuki	405	Java	2025-09-09 04:37:38
4	Aruneem Bhowmick	416	Java	2025-07-17 20:05:55
5	Hidden user	454	Java	2025-07-18 09:10:23
6	Hunter Mullen	465	Java	2025-05-14 05:46:13
7	Marshall D Feng	531	Java	2025-04-27 05:11:36
8	Ric Zonta	727	Java	2025-08-02 23:38:32
9	Ben Cobb	742	Java	2025-04-14 19:59:12
10	Guangyi Zhou	1389	Java	2025-05-19 10:45:05

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	71	JavaScript (SpiderMonkey)	2025-05-13 09:41:00
2	Jimmy Gustafsson	75	JavaScript (SpiderMonkey)	2025-05-16 16:05:07
3	Bjørn Chr. Soltvedt	98	JavaScript (SpiderMonkey)	2025-04-11 01:03:49

#	User	Length	Language	Date
1	Timothy Gaede	365	Julia	2025-04-12 20:17:10

#	User	Length	Language	Date
1	Hamdanil Rasyid	174	Kotlin	2025-04-12 05:51:19

#	User	Length	Language	Date
1	Zeheng Li	154	Lua	2025-04-15 16:09:48

#	User	Length	Language	Date
1	Hidden user	566	Odin	2025-05-21 05:17:58

#	User	Length	Language	Date
1	Renate	177	PHP	2025-10-27 23:09:39

#	User	Length	Language	Date
1	Arnar Bjarni Arnarson	1325	Prolog	2025-04-12 02:33:19

#	User	Length	Language	Date
1	Simon Baeckelant	88	Python 3	2025-05-25 07:38:30
2	Lasse Letager Hansen	89	Python 3	2025-05-27 17:27:30
3	Nicholas Russell Saerang	90	Python 3	2025-04-11 08:04:12
4	David Aldenbro	90	Python 3	2025-06-30 10:33:13
5	Lex Janssens	93	Python 3	2025-09-22 16:49:01
6	John Hershey	94	Python 3	2025-05-30 23:30:36
7	David Worley	94	Python 3	2025-10-30 17:11:02
8	Noah Hessen Bjerke	98	Python 3	2025-04-17 12:54:02
9	Ahmed Chamseddine	99	Python 3	2025-04-17 10:19:00
10	Farzam Abrishami	99	Python 3	2025-04-18 17:54:09

#	User	Length	Language	Date
1	Thomas Feld	63	Ruby	2025-06-30 09:56:44
2	Matzuka	83	Ruby	2025-11-01 18:35:42
3	Chenzhang Hu	168	Ruby	2025-09-22 16:04:56

#	User	Length	Language	Date
1	Emil Dichmann	320	Rust	2025-09-16 10:18:03
2	Henrik Josefsson	362	Rust	2025-07-16 09:18:27
3	Vincent Lagerros	397	Rust	2025-04-11 16:46:28
4	Pankajkumar Patro	425	Rust	2025-04-22 14:22:33
5	Isak Jägberg	452	Rust	2025-04-17 14:49:28
6	Gabriella Gloria	1283	Rust	2025-04-21 16:02:33
7	Frank Endriss	1855	Rust	2025-04-16 20:38:40
8	Erik Magnusson	3427	Rust	2025-06-07 17:32:46
9	C3Speedrun2025	3707	Rust	2025-06-07 17:32:53
10	Hidden user	6053	Rust	2025-07-10 13:32:07

#	User	Length	Language	Date
1	Hidden user	190	Swift	2025-04-11 00:00:44

Solution running time distribution