Problem A
International Dates — Problem Statistics

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Submissions	2797
Accepted submissions	1554
Submission ratio	55.56%
Authors	1492
Accepted authors	1410
Author ratio	94.50%

#	User	Runtime	Language	Date
1	Matzuka	0.01 s	APL	2025-04-11 11:20:30

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-09-01 08:34:01
2	Chenzhang Hu	0.07 s	Bash	2024-02-02 15:25:31

#	User	Runtime	Language	Date
1	Ólafur Andri Davíðsson	0.04 s	C#	2023-05-12 16:22:10
2	Tove Brunell	0.04 s	C#	2023-06-09 15:37:52
3	Maykal Droshev	0.04 s	C#	2023-06-18 14:56:23
4	Sano Gharzani	0.04 s	C#	2023-08-21 19:56:58
5	Ahmet Murat Gençay	0.04 s	C#	2023-09-03 20:08:44
6	Benjamin Bilbeau	0.04 s	C#	2023-09-05 15:55:50
7	Bertram Agerholm	0.04 s	C#	2023-09-14 18:09:39
8	Brandon Mord	0.04 s	C#	2023-10-03 13:21:57
9	Carlos Grande	0.04 s	C#	2023-10-05 17:13:18
10	Ana Teresa Márquez Luján	0.04 s	C#	2023-10-15 21:12:45

#	User	Runtime	Language	Date
1	Freek van Keulen	0.00 s	COBOL	2023-04-06 12:52:39
2	Tobias Glimmerfors	0.00 s	COBOL	2023-08-18 22:31:27

#	User	Runtime	Language	Date
1	Yuwono Bangun Nagoro	0.01 s	Dart	2023-08-13 06:02:48

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.06 s	F#	2023-05-14 09:30:23

#	User	Runtime	Language	Date
1	Gowtham Rajeshshekaran	0.00 s	Go	2023-06-23 10:13:12
2	Jimmy Nejtron	0.00 s	Go	2023-09-08 11:22:50
3	Norbert Voelker	0.02 s	Go	2023-04-02 12:34:00

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2023-04-03 12:11:05
2	Ng Tek In	0.00 s	Haskell	2023-04-04 19:07:11
3	Hidden user	0.00 s	Haskell	2023-04-04 23:03:46
4	Brian Hwang	0.00 s	Haskell	2023-04-06 21:06:01
5	Jan Hrček	0.00 s	Haskell	2023-05-14 11:35:35
6	Greg Rosser	0.00 s	Haskell	2023-08-08 19:22:30
7	Charley Sheaffer	0.00 s	Haskell	2023-10-26 15:33:13
8	吳文元	0.00 s	Haskell	2023-11-06 18:59:36
9	Hidden user	0.00 s	Haskell	2024-03-23 08:47:20
10	Sebastian Banert	0.01 s	Haskell	2023-04-21 20:28:57

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.04 s	Java	2024-10-25 18:42:17
2	Stela Palii	0.04 s	Java	2024-11-29 06:36:27
3	Goh Zhixuan Jeremiah	0.04 s	Java	2025-02-10 07:55:03
4	Daniel Gutierrez Duarte	0.04 s	Java	2025-02-28 17:08:37
5	wtpy	0.04 s	Java	2025-03-02 08:54:18
6	Todd W. Neller	0.04 s	Java	2025-04-07 22:42:19
7	Abdulqader	0.05 s	Java	2024-03-09 17:56:59
8	Raghad Alhawali	0.05 s	Java	2024-03-09 18:33:16
9	Lee Heng Sheng	0.05 s	Java	2024-04-27 15:58:16
10	Jeffrey H.	0.06 s	Java	2023-03-11 19:08:18

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	JavaScript (Node.js)	2024-08-20 00:41:45
2	August Danell Håkansson	0.09 s	JavaScript (Node.js)	2023-05-17 11:33:23

#	User	Runtime	Language	Date
1	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-04-02 08:18:12
2	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2023-04-02 08:36:56
3	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-04-22 19:16:45
4	Evan Magill	0.02 s	JavaScript (SpiderMonkey)	2024-04-20 20:35:57
5	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-06-10 14:10:05

#	User	Runtime	Language	Date
1	Timothy Gaede	0.49 s	Julia	2024-03-24 05:52:44
2	Danny Robinson	0.57 s	Julia	2023-09-01 08:28:17

#	User	Runtime	Language	Date
1	Sam Keyser	0.12 s	Kotlin	2023-03-11 19:04:48
2	Troy Warmboe	0.18 s	Kotlin	2023-04-10 23:31:15
3	Emil Wihlander	0.18 s	Kotlin	2023-07-24 20:14:27
4	Aleksander	0.19 s	Kotlin	2023-12-20 22:03:03
5	Zaw Myat	0.19 s	Kotlin	2024-01-05 18:00:46
6	Adam Rankin	0.20 s	Kotlin	2023-04-26 20:19:59
7	Martijn Muijsers	0.20 s	Kotlin	2024-05-30 21:34:27
8	Ola Sundell	0.21 s	Kotlin	2023-07-20 19:52:54
9	Chris Johnson	0.27 s	Kotlin	2025-01-29 22:16:35

#	User	Runtime	Language	Date
1	Fredrik Eriksson	0.00 s	OCaml	2024-10-25 20:35:27

#	User	Runtime	Language	Date
1	David Connolly	0.00 s	Pascal	2023-04-17 18:29:57
2	Ingemar Ragnemalm	0.00 s	Pascal	2023-04-19 05:27:06

#	User	Runtime	Language	Date
1	Andre Wahyudi	0.01 s	PHP	2023-05-26 09:41:55
2	Renate	0.01 s	PHP	2023-07-03 23:48:08

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2024-09-20 18:06:06

#	User	Runtime	Language	Date
1	Johan Lyts	0.03 s	Python 2	2023-06-22 22:14:56
2	Yanmarshus Bachtiar	0.03 s	Python 2	2023-07-10 14:16:55
3	Agis Daniels	0.03 s	Python 2	2023-09-14 17:54:56

#	User	Runtime	Language	Date
1	Rik	0.04 s	Python 3	2023-03-11 19:24:39
2	Rithwik Korukonda Bhattar	0.04 s	Python 3	2023-03-11 19:33:58
3	Howe Haotian Zhu	0.04 s	Python 3	2023-03-11 19:34:21
4	Cristina Guadalupe Farias	0.04 s	Python 3	2023-03-11 19:37:51
5	Harveer Singh Sarao	0.04 s	Python 3	2023-03-11 19:47:39
6	Afraz Khan	0.04 s	Python 3	2023-03-11 20:01:35
7	Kyle Chang	0.04 s	Python 3	2023-03-11 20:26:14
8	Matthieu Larochelle	0.04 s	Python 3	2023-03-11 21:19:33
9	Manav Joshi	0.04 s	Python 3	2023-03-11 21:42:17
10	Bjørn Dons	0.04 s	Python 3	2023-04-02 20:18:05

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-04-11 14:35:33
2	Alexander Bilde Pedersen	0.06 s	Ruby	2023-05-01 13:58:13
3	Eugen Neagoe	0.06 s	Ruby	2023-06-02 16:36:19
4	Hidden user	0.06 s	Ruby	2023-06-10 21:00:53
5	Clement Oh	0.06 s	Ruby	2023-10-31 16:41:23
6	Miorel Palii	0.10 s	Ruby	2024-11-24 00:21:45

#	User	Runtime	Language	Date
1	Isak Jägberg	0.00 s	Rust	2023-04-04 10:30:46
2	Bas Dirks	0.00 s	Rust	2023-05-25 13:39:30
3	Thomas	0.00 s	Rust	2023-06-02 20:47:37
4	Marcel Rød	0.00 s	Rust	2023-07-21 14:39:59
5	Artur Khuziakhmetov	0.00 s	Rust	2023-08-16 19:07:58
6	Hovig Manjikian	0.00 s	Rust	2023-10-08 09:49:33
7	Pankajkumar Patro	0.00 s	Rust	2024-09-30 16:38:10
8	Vincent Lagerros	0.00 s	Rust	2024-12-07 02:12:56
9	Brennan Craig	0.00 s	Rust	2025-01-29 22:14:18

#	User	Length	Language	Date
1	Matzuka	75	APL	2025-04-11 11:22:41

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-02-03 14:00:04
2	Danny Robinson	49	Bash	2023-09-01 08:34:01

#	User	Length	Language	Date
1	Martin Blom	92	C	2023-10-13 09:18:50
2	Lawry Sorenson	97	C	2023-06-04 04:02:49
3	Yin Kenna	205	C	2023-08-21 14:11:13
4	HowChienLu	207	C	2023-11-05 16:15:58
5	MoGG_TW	212	C	2023-11-06 18:11:41
6	Tyler Mulholland	216	C	2023-04-04 19:16:35
7	台師大劉育均	217	C	2023-11-06 15:27:48
8	THARANI G	223	C	2025-04-14 15:20:04
9	Colton Palmer	225	C	2023-08-17 01:45:28
10	DIVYASHREE N	238	C	2025-03-31 16:24:02

#	User	Length	Language	Date
1	Gregory Sinclair	161	C#	2023-11-04 21:55:46
2	traxex	227	C#	2024-05-09 17:12:15
3	Deci Bel	292	C#	2024-06-07 08:39:12
4	Steve Williams	341	C#	2023-11-08 01:52:59
5	Esty Crow	366	C#	2023-12-16 16:15:45
6	Anthony Ye	377	C#	2023-12-17 17:42:55
7	Sean Regenthal	431	C#	2023-11-21 13:50:34
8	Ana Teresa Márquez Luján	483	C#	2023-10-15 21:12:45
9	Ahmet Murat Gençay	493	C#	2023-09-03 20:08:44
10	Nicholas Hood	495	C#	2024-11-07 00:14:06

#	User	Length	Language	Date
1	Frans Meulenbroeks	110	C++	2024-11-09 17:49:37
2	Tyler Fernando	131	C++	2023-06-01 08:15:24
3	Grae Yeandle	178	C++	2023-04-02 16:35:08
4	Alina Rudzenis	183	C++	2024-10-07 18:21:30
5	Alex Rudzenis	184	C++	2023-04-06 11:50:30
6	Yevhen Sviacheniy	194	C++	2023-04-05 09:06:01
7	Ahmad Dzuizz Annajib	204	C++	2023-08-10 08:17:10
8	Yeung Man Tsung	206	C++	2023-04-23 08:18:07
9	Dau Huy Minh	212	C++	2023-09-20 17:20:49
10	Ernest Ng Zi Xuan	215	C++	2023-06-30 16:51:02

#	User	Length	Language	Date
1	Tobias Glimmerfors	619	COBOL	2023-08-18 22:31:27
2	Freek van Keulen	621	COBOL	2023-04-06 12:52:39

#	User	Length	Language	Date
1	Yuwono Bangun Nagoro	297	Dart	2023-08-13 06:02:48

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	450	F#	2023-05-14 09:30:23

#	User	Length	Language	Date
1	Jimmy Nejtron	309	Go	2023-09-08 11:22:50
2	Gowtham Rajeshshekaran	377	Go	2023-06-23 10:13:12
3	Norbert Voelker	432	Go	2023-04-02 12:34:00

#	User	Length	Language	Date
1	Hidden user	152	Haskell	2023-04-04 23:03:46
2	Øyvind Almli	154	Haskell	2023-08-25 13:24:22
3	Sebastian Banert	234	Haskell	2023-04-21 20:28:57
4	Steinar Simonnes	240	Haskell	2023-05-25 22:07:48
5	Jan Hrček	291	Haskell	2023-05-14 11:35:35
6	Greg Rosser	315	Haskell	2023-08-08 19:22:30
7	Brent Yorgey	332	Haskell	2023-04-03 12:11:05
8	Charley Sheaffer	379	Haskell	2023-10-26 15:33:13
9	Brian Hwang	380	Haskell	2023-04-06 21:06:01
10	Hidden user	498	Haskell	2024-03-23 08:47:20

#	User	Length	Language	Date
1	Ernest Ng Zi Xuan	294	Java	2023-07-31 15:26:30
2	Benjamin Wen	304	Java	2023-10-23 08:46:43
3	Koh Guan Zeh	316	Java	2023-08-08 18:06:03
4	Nathaniel Lukas Christianto	356	Java	2023-12-26 04:56:04
5	Huy Le	367	Java	2023-05-23 16:44:28
6	Hidden user	394	Java	2023-04-14 10:28:02
7	ZHOU XINGYE	399	Java	2023-08-15 17:42:22
8	Issa Issack	403	Java	2023-05-18 00:57:50
9	Raymond Arrington	408	Java	2024-06-08 05:32:29
10	Lim Ting Kai	412	Java	2023-06-03 10:16:42

#	User	Length	Language	Date
1	Hidden user	405	JavaScript (Node.js)	2023-08-04 03:14:37
2	August Danell Håkansson	472	JavaScript (Node.js)	2023-05-17 11:33:23

#	User	Length	Language	Date
1	Jimmy Gustafsson	65	JavaScript (SpiderMonkey)	2024-06-10 14:10:05
2	Zach Tschetter	107	JavaScript (SpiderMonkey)	2023-04-22 19:16:45
3	Bjørn Chr. Soltvedt	113	JavaScript (SpiderMonkey)	2023-04-02 10:55:45
4	Evan Magill	129	JavaScript (SpiderMonkey)	2024-04-20 20:35:57
5	Christian Cederquist	153	JavaScript (SpiderMonkey)	2023-04-02 08:18:12

#	User	Length	Language	Date
1	Danny Robinson	83	Julia	2023-09-01 08:28:17
2	Timothy Gaede	221	Julia	2024-03-24 05:52:44

#	User	Length	Language	Date
1	Troy Warmboe	210	Kotlin	2023-04-10 23:31:15
2	Aleksander	218	Kotlin	2023-12-20 22:03:03
3	Emil Wihlander	244	Kotlin	2023-07-24 20:14:27
4	Sam Keyser	266	Kotlin	2023-03-11 19:04:48
5	Zaw Myat	325	Kotlin	2024-01-05 18:00:46
6	Chris Johnson	385	Kotlin	2025-01-29 22:16:35
7	Martijn Muijsers	495	Kotlin	2024-05-30 21:34:27
8	Ola Sundell	503	Kotlin	2023-07-20 19:52:54
9	Adam Rankin	508	Kotlin	2023-04-26 20:19:59

#	User	Length	Language	Date
1	Fredrik Eriksson	272	OCaml	2024-10-25 20:35:27

#	User	Length	Language	Date
1	Ingemar Ragnemalm	268	Pascal	2023-04-19 05:27:06
2	David Connolly	378	Pascal	2023-04-17 18:29:57

#	User	Length	Language	Date
1	Renate	202	PHP	2023-07-03 23:48:08
2	Andre Wahyudi	534	PHP	2023-05-26 09:41:55

#	User	Length	Language	Date
1	Andriy Zyevakov	1825	Prolog	2024-09-20 18:06:06

#	User	Length	Language	Date
1	Agis Daniels	71	Python 2	2023-09-14 18:02:07
2	Johan Lyts	118	Python 2	2023-06-22 22:14:56
3	Yanmarshus Bachtiar	129	Python 2	2023-07-10 14:16:55

#	User	Length	Language	Date
1	Agis Daniels	69	Python 3	2023-09-14 18:00:13
2	Clement Oh	74	Python 3	2023-05-27 20:25:59
3	Eduardo Vicente Petry	75	Python 3	2023-04-15 07:01:32
4	Herman Bastesen	75	Python 3	2023-06-15 09:37:04
5	Farzam Abrishami	76	Python 3	2023-05-06 23:43:17
6	Oliver Ruste Jahren	76	Python 3	2023-06-14 14:15:41
7	..	77	Python 3	2025-01-16 23:44:39
8	Ryan Pitasky	80	Python 3	2023-09-02 23:18:29
9	Lee Isaac	82	Python 3	2023-04-13 14:46:46
10	Guillermo Hernández	82	Python 3	2023-12-25 11:30:07

#	User	Length	Language	Date
1	Thomas Feld	45	Ruby	2023-04-11 14:38:50
2	Hidden user	66	Ruby	2023-06-10 21:00:53
3	Clement Oh	83	Ruby	2023-10-31 16:41:23
4	Miorel Palii	106	Ruby	2024-11-24 00:21:45
5	Eugen Neagoe	121	Ruby	2023-06-02 16:36:19
6	Alexander Bilde Pedersen	131	Ruby	2023-05-01 13:58:13

#	User	Length	Language	Date
1	Vincent Lagerros	188	Rust	2024-12-07 02:13:24
2	Bas Dirks	376	Rust	2023-05-25 13:39:30
3	Pankajkumar Patro	422	Rust	2024-09-30 16:38:10
4	Isak Jägberg	446	Rust	2023-04-04 10:30:46
5	Artur Khuziakhmetov	458	Rust	2023-08-16 19:07:58
6	Hovig Manjikian	523	Rust	2023-10-08 09:49:33
7	Marcel Rød	528	Rust	2023-07-21 14:39:59
8	Thomas	549	Rust	2023-06-02 20:47:37
9	Brennan Craig	2565	Rust	2025-01-29 22:14:18

Solution running time distribution