Problem A
Pascal — Problem Statistics

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Submissions	4740
Accepted submissions	1231
Submission ratio	25.97%
Authors	1228
Full solves [?]	996
Full solve Ratio	81.11%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.01 s	Bash	2023-10-21 18:00:16

#	User	Runtime	Language	Date
1	Klas af Geijerstam	0.02 s	C#	2017-04-18 11:54:23
2	Sebastian Garcia	0.02 s	C#	2019-02-15 23:44:28
3	Abdellatif Elyoussefy	0.02 s	C#	2020-12-26 12:43:23
4	traxex	0.04 s	C#	2024-05-15 12:29:52
5	Eirik Nedland	0.04 s	C#	2024-08-29 12:03:00
6	Hidden user	0.68 s	C#	2016-12-28 17:32:38

#	User	Runtime	Language	Date
1	Suka Isnaini	0.00 s	Go	2023-12-15 09:11:02
2	Norbert Voelker	0.02 s	Go	2023-03-19 16:25:56
3	St34my	0.08 s	Go	2020-11-25 14:39:29
4	Erik Rairden	0.08 s	Go	2021-02-02 03:54:01

#	User	Runtime	Language	Date
1	Antony Lee	0.00 s	Haskell	2016-12-31 22:59:15
2	Johan Meier	0.00 s	Haskell	2017-01-14 05:34:25
3	Matthew Johnson	0.00 s	Haskell	2017-05-02 22:57:54
4	Brent Yorgey	0.00 s	Haskell	2017-11-16 05:16:52
5	Eduardo Paluzo	0.01 s	Haskell	2017-03-14 19:20:11
6	Abel Martin	0.01 s	Haskell	2017-03-18 11:01:26
7	Juan Miguel Vilar	0.01 s	Haskell	2021-03-15 18:02:39
8	Mason Barnhill	0.67 s	Haskell	2023-05-05 21:02:02

#	User	Runtime	Language	Date
1	Rene Argento	0.04 s	Java	2025-06-22 21:48:26
2	Hidden user	0.05 s	Java	2016-11-18 13:39:53
3	André Danielsson	0.05 s	Java	2016-11-18 14:07:14
4	Isak Jägberg	0.05 s	Java	2016-11-18 14:10:11
5	Elias Andersson	0.05 s	Java	2016-11-18 15:21:55
6	Hidden user	0.05 s	Java	2016-11-20 23:24:15
7	William Fiset	0.05 s	Java	2016-11-21 01:34:45
8	Martijn Muijsers	0.05 s	Java	2016-11-24 21:56:27
9	Micah Stairs	0.05 s	Java	2016-12-16 21:47:35
10	Olivier Bourgeois	0.05 s	Java	2017-03-29 01:37:11

#	User	Runtime	Language	Date
1	Gurushant Gurushant	0.09 s	JavaScript (Node.js)	2023-05-11 22:57:32
2	Peter Kedemo	0.42 s	JavaScript (Node.js)	2019-12-31 10:57:10

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-11-19 17:16:29
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-02-24 16:38:44
3	Phuong Quang Nguyen	0.02 s	JavaScript (SpiderMonkey)	2025-09-03 05:16:05
4	Le Tri Dinh	0.02 s	JavaScript (SpiderMonkey)	2025-09-03 09:23:50

#	User	Runtime	Language	Date
1	Hidden user	0.38 s	Julia	2025-03-19 07:07:02
2	Timothy Gaede	0.58 s	Julia	2024-04-24 02:04:28

#	User	Runtime	Language	Date
1	Jacob Huebner	0.11 s	Kotlin	2022-03-05 00:51:30
2	Leung arvin	0.12 s	Kotlin	2023-03-13 19:08:41
3	Adrian Wireklint	0.14 s	Kotlin	2022-01-03 14:01:13
4	Adam Rankin	0.16 s	Kotlin	2023-05-12 21:06:13
5	Alexandre Conte	0.17 s	Kotlin	2021-08-24 17:14:06
6	Hidden user	0.19 s	Kotlin	2019-11-05 22:00:54
7	Adam Koprowski	0.19 s	Kotlin	2021-04-07 14:21:23
8	Phường Lên	0.20 s	Kotlin	2020-01-12 21:53:41

#	User	Runtime	Language	Date
1	Leslie Yip	0.00 s	Pascal	2022-10-10 15:16:51
2	Michael Cheng	0.00 s	Pascal	2023-03-07 21:37:12
3	Ștefan-Iulian Alecu	0.00 s	Pascal	2025-10-28 19:13:45

#	User	Runtime	Language	Date
1	Tom Merzenich	0.01 s	PHP	2023-11-29 04:47:28

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.03 s	Prolog	2025-02-16 10:32:33

#	User	Runtime	Language	Date
1	Kasper Borys	0.03 s	Python 2	2017-02-26 21:45:00
2	Allan Lago	0.03 s	Python 2	2017-04-02 05:37:40
3	Sergey Pashkovsky	0.03 s	Python 2	2017-04-12 17:35:08
4	Hermon Mulat	0.03 s	Python 2	2017-08-10 20:11:50
5	Toy Wang	0.03 s	Python 2	2017-11-15 15:23:42
6	Cian Ruane	0.03 s	Python 2	2018-04-16 18:28:46
7	Lars Åström	0.03 s	Python 2	2018-07-23 11:05:18
8	Herbert Ilhan Tanujaya	0.03 s	Python 2	2019-03-24 14:36:48
9	Erik Vajngerl	0.03 s	Python 2	2019-07-09 12:46:27
10	Johan Lyts	0.03 s	Python 2	2019-08-05 21:44:35

#	User	Runtime	Language	Date
1	Christian Lindeström	0.02 s	Python 3	2016-11-18 13:42:46
2	Joshua Zygmunt	0.02 s	Python 3	2016-11-20 06:49:09
3	Wayne	0.02 s	Python 3	2016-12-12 20:12:34
4	Jens Kjærgaard Boldsen	0.02 s	Python 3	2016-12-13 11:28:16
5	Herman Karlsson	0.02 s	Python 3	2017-01-18 09:42:25
6	Josenildo Silva	0.02 s	Python 3	2017-01-29 22:21:38
7	Allan Lago	0.02 s	Python 3	2017-04-02 05:29:59
8	Ram Basnet	0.02 s	Python 3	2017-04-28 18:26:01
9	Joshua Guerin	0.02 s	Python 3	2017-04-29 22:16:21
10	Hyaline Seiche	0.02 s	Python 3	2017-05-14 05:01:15

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Ruby	2019-10-09 21:13:23
2	Macdara mac an tSionnaigh	0.05 s	Ruby	2019-10-26 04:20:42
3	Kieran Maharaj	0.06 s	Ruby	2021-01-08 13:20:50
4	Thomas Feld	0.06 s	Ruby	2023-02-22 13:24:57
5	Ivy Wang	0.06 s	Ruby	2023-03-07 07:31:26
6	Chenzhang Hu	0.13 s	Ruby	2025-09-22 14:51:27

#	User	Runtime	Language	Date
1	Joshua Ji	0.00 s	Rust	2020-11-17 00:24:37
2	Adam Guangwei Yu	0.00 s	Rust	2023-03-07 07:35:21
3	Jianghua Wang	0.00 s	Rust	2023-03-07 18:49:42
4	Ryan Chau	0.00 s	Rust	2023-03-07 20:30:06
5	Rowan Tran	0.00 s	Rust	2023-03-11 23:18:18
6	Hidden user	0.00 s	Rust	2023-04-22 14:11:17
7	Bas Dirks	0.00 s	Rust	2024-01-20 14:31:19
8	Artur Khuziakhmetov	0.00 s	Rust	2025-01-29 14:33:35
9	Vincent Lagerros	0.00 s	Rust	2025-02-15 14:19:36
10	Kévin Tollemer	0.00 s	Rust	2025-11-19 11:16:58

#	User	Length	Language	Date
1	Chenzhang Hu	51	Bash	2025-09-13 18:07:50

#	User	Length	Language	Date
1	Julian Duniec	210	C	2024-06-26 15:00:07
2	Wei-Ho Uang	250	C	2022-08-30 07:11:12
3	Mirel Cosulschi	257	C	2024-07-30 21:20:39
4	Nicolas Siyu Huang	261	C	2022-08-30 07:08:36
5	Alexander Bilde Pedersen	310	C	2025-03-26 23:09:21
6	Pim Heeman	346	C	2019-05-20 18:31:08
7	Tyler Mulholland	357	C	2019-12-23 18:40:40
8	Tobias Bladh	390	C	2019-03-30 17:20:45
9	Aurelius Nguyen	394	C	2025-11-12 02:06:38
10	Rabbani Islam Refat	464	C	2024-02-15 12:39:52

#	User	Length	Language	Date
1	traxex	193	C#	2024-05-15 12:29:52
2	Abdellatif Elyoussefy	593	C#	2020-12-26 12:43:23
3	Sebastian Garcia	629	C#	2019-02-15 23:44:28
4	Klas af Geijerstam	776	C#	2017-04-18 11:54:23
5	Hidden user	846	C#	2016-12-28 17:32:38
6	Eirik Nedland	1079	C#	2024-08-29 12:03:00

#	User	Length	Language	Date
1	Sven Rönnbäck	166	C++	2025-11-23 16:10:13
2	bekarhunmain	181	C++	2024-09-04 20:45:08
3	Xuan Tung Nguyen	206	C++	2020-04-18 12:23:59
4	Chenzhang Hu	206	C++	2023-10-21 17:37:33
5	Zane Yu	209	C++	2018-12-21 15:10:13
6	Zac Friggstad	209	C++	2023-06-25 18:53:02
7	Johan Wind	212	C++	2018-09-17 23:49:43
8	Muamer Parić	214	C++	2019-03-31 17:43:41
9	Dong	218	C++	2021-05-03 23:46:15
10	Morgen Sudyanto	219	C++	2017-08-21 16:55:12

#	User	Length	Language	Date
1	Suka Isnaini	225	Go	2023-12-15 09:11:02
2	Norbert Voelker	517	Go	2023-03-19 16:25:56
3	St34my	561	Go	2020-11-25 14:39:29
4	Erik Rairden	19588	Go	2021-02-02 04:13:59

#	User	Length	Language	Date
1	Johan Meier	356	Haskell	2017-01-14 05:34:25
2	Matthew Johnson	379	Haskell	2017-05-02 22:57:54
3	Mason Barnhill	418	Haskell	2023-05-05 21:02:02
4	Brent Yorgey	504	Haskell	2017-11-16 05:16:52
5	Antony Lee	633	Haskell	2016-12-31 22:59:15
6	Abel Martin	692	Haskell	2017-03-18 11:01:26
7	Juan Miguel Vilar	3880	Haskell	2021-03-15 18:02:39
8	Eduardo Paluzo	8901	Haskell	2017-03-14 19:20:11

#	User	Length	Language	Date
1	Doug Goodman	306	Java	2018-03-10 19:07:40
2	Jarrett Spiker	373	Java	2016-11-23 10:03:55
3	Hunter Mullen	400	Java	2025-02-24 05:57:43
4	Jatinkumar Nakrani	426	Java	2023-05-05 09:35:00
5	Hidden user	429	Java	2018-10-17 18:52:00
6	Razzi masroor	448	Java	2019-12-25 17:34:29
7	Andrew Polizzotto	450	Java	2020-03-03 04:17:20
8	Micah Stairs	463	Java	2016-12-16 21:47:35
9	Hidden user	472	Java	2025-03-06 02:05:57
10	Jonas Aule	478	Java	2011-02-09 17:56:44

#	User	Length	Language	Date
1	Gurushant Gurushant	396	JavaScript (Node.js)	2023-05-11 22:57:32
2	Peter Kedemo	486	JavaScript (Node.js)	2019-12-31 10:57:10

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	62	JavaScript (SpiderMonkey)	2023-02-24 16:42:05
2	Le Tri Dinh	271	JavaScript (SpiderMonkey)	2025-09-03 09:23:50
3	Phuong Quang Nguyen	324	JavaScript (SpiderMonkey)	2025-09-03 05:16:05
4	Bjørn Chr. Soltvedt	59602	JavaScript (SpiderMonkey)	2016-11-19 17:16:29

#	User	Length	Language	Date
1	Hidden user	561	Julia	2025-03-19 07:07:02
2	Timothy Gaede	1217	Julia	2024-04-24 02:04:28

#	User	Length	Language	Date
1	Phường Lên	238	Kotlin	2020-01-12 21:53:41
2	Alexandre Conte	271	Kotlin	2021-08-24 17:14:06
3	Hidden user	275	Kotlin	2019-11-05 22:00:54
4	Jacob Huebner	283	Kotlin	2022-03-05 00:51:30
5	Adam Rankin	381	Kotlin	2023-05-12 21:06:13
6	Adrian Wireklint	531	Kotlin	2022-01-03 14:01:13
7	Adam Koprowski	648	Kotlin	2021-04-07 14:21:23
8	Leung arvin	9038	Kotlin	2023-03-13 19:08:41

#	User	Length	Language	Date
1	Michael Cheng	297	Pascal	2023-03-07 21:37:12
2	Ștefan-Iulian Alecu	305	Pascal	2025-10-28 19:13:45
3	Leslie Yip	329	Pascal	2022-10-10 15:16:51

#	User	Length	Language	Date
1	Tom Merzenich	469	PHP	2023-11-29 04:47:28

#	User	Length	Language	Date
1	Andriy Zyevakov	4103	Prolog	2025-02-16 10:32:33

#	User	Length	Language	Date
1	Benjamin Ye	68	Python 2	2023-03-08 20:37:05
2	Herbert Ilhan Tanujaya	119	Python 2	2019-03-24 14:36:48
3	Toy Wang	134	Python 2	2017-11-15 15:23:42
4	Lars Åström	144	Python 2	2018-07-23 11:05:18
5	Johan Lyts	199	Python 2	2019-08-05 21:44:35
6	Allan Lago	222	Python 2	2017-04-02 05:37:40
7	Erik Vajngerl	232	Python 2	2019-07-09 12:46:27
8	Mads Pedersen	262	Python 2	2019-12-09 23:25:17
9	Yanmarshus Bachtiar	296	Python 2	2020-10-02 05:41:44
10	Sergey Pashkovsky	318	Python 2	2017-04-12 17:35:08

#	User	Length	Language	Date
1	Benjamin Ye	75	Python 3	2023-03-08 18:04:38
2	Anshuman Dash	76	Python 3	2023-03-15 00:16:48
3	Clement Oh	77	Python 3	2023-07-23 16:56:33
4	Lawry Sorenson	79	Python 3	2025-03-08 00:27:22
5	Andras Zolyomi	80	Python 3	2023-03-13 23:48:10
6	Peter Stauder	93	Python 3	2023-03-17 22:11:07
7	Josh Taylor	93	Python 3	2023-07-03 20:52:46
8	Michael Cheng	103	Python 3	2023-03-07 20:31:38
9	Daniel Lokshtanov	106	Python 3	2023-03-09 01:30:13
10	Tobias Bessler	107	Python 3	2023-11-01 16:32:31

#	User	Length	Language	Date
1	Thomas Feld	47	Ruby	2023-02-22 13:24:57
2	Hidden user	142	Ruby	2019-10-09 21:13:23
3	Ivy Wang	143	Ruby	2023-03-07 07:31:26
4	Chenzhang Hu	146	Ruby	2025-09-22 14:51:27
5	Kieran Maharaj	189	Ruby	2021-01-08 13:20:50
6	Macdara mac an tSionnaigh	237	Ruby	2019-10-26 04:20:42

#	User	Length	Language	Date
1	Jianghua Wang	356	Rust	2023-03-07 18:49:42
2	Hidden user	367	Rust	2023-04-22 14:12:14
3	Vincent Lagerros	368	Rust	2025-02-15 14:19:36
4	Artur Khuziakhmetov	372	Rust	2025-01-29 14:33:35
5	Adam Guangwei Yu	454	Rust	2023-03-07 07:35:21
6	Joshua Ji	644	Rust	2020-11-17 00:24:37
7	Kévin Tollemer	660	Rust	2025-11-19 11:16:58
8	Rowan Tran	894	Rust	2023-03-11 23:18:18
9	Ryan Chau	1011	Rust	2023-03-07 20:30:06
10	Bas Dirks	1646	Rust	2024-01-20 14:31:19

Solution running time distribution