Problem A
Sticky Situation — Problem Statistics

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Submissions	3882
Accepted submissions	1477
Submission ratio	38.05%
Authors	1333
Full solves [?]	1190
Full solve Ratio	89.27%

#	User	Runtime	Language	Date
1	Arvid Jonasson	0.02 s	APL	2025-06-12 23:39:04

#	User	Runtime	Language	Date
1	Ivan Petrov	0.00 s	C	2019-03-28 16:34:52
2	Solomon Tikabo	0.00 s	C	2025-02-24 20:15:53
3	Hidden user	0.00 s	C	2025-04-12 16:28:26
4	Hidden user	0.01 s	C	2017-11-21 01:01:53
5	Hidden user	0.01 s	C	2018-04-26 21:50:08
6	Jiangfeng Du	0.01 s	C	2019-03-14 16:25:10
7	Geraldi Akira Surya	0.01 s	C	2019-09-30 20:13:22
8	Bryan Heryanto	0.01 s	C	2019-10-02 07:25:03
9	Sambit Palit	0.01 s	C	2020-10-27 18:38:32
10	Benjamin Lehmann	0.01 s	C	2021-02-22 21:24:55

#	User	Runtime	Language	Date
1	Bas te Kolste	0.03 s	C#	2016-11-20 16:10:58
2	Aabir Bahaida	0.03 s	C#	2017-09-21 13:07:00
3	Dick Appel	0.03 s	C#	2018-04-23 11:31:53
4	Mark Lekkerkerker	0.03 s	C#	2018-04-30 10:05:48
5	Doug Goodman	0.03 s	C#	2018-06-11 23:14:20
6	Erik van Holland	0.03 s	C#	2018-08-15 20:44:20
7	Martijn Schuurmans	0.03 s	C#	2018-09-25 10:40:41
8	Niels Kolsters	0.03 s	C#	2018-09-25 10:41:02
9	Guus Van der Meer	0.03 s	C#	2018-09-25 10:42:10
10	Jesse van der Pluijm	0.03 s	C#	2018-09-25 10:43:45

#	User	Runtime	Language	Date
1	Harrison Shen	0.04 s	Go	2023-03-30 05:07:19
2	Yitian Wang	0.04 s	Go	2023-04-04 00:19:25
3	Erik Rairden	0.08 s	Go	2021-01-22 04:34:39
4	Norbert Voelker	0.08 s	Go	2021-08-19 21:25:58
5	Andriy Zyevakov	0.10 s	Go	2019-05-20 20:02:43
6	Worapol Boontanonda	0.66 s	Go	2020-11-04 17:36:29

#	User	Runtime	Language	Date
1	Jan Hrček	0.01 s	Haskell	2021-04-21 05:31:50
2	Steinar Simonnes	0.01 s	Haskell	2024-10-16 08:39:41
3	Brent Yorgey	0.07 s	Haskell	2017-12-31 21:42:20
4	Matthew Craven	0.07 s	Haskell	2019-01-12 17:02:19
5	Hidden user	0.07 s	Haskell	2021-07-18 16:10:00
6	Amin Bandali	0.08 s	Haskell	2017-09-19 06:34:32
7	Mason Barnhill	0.08 s	Haskell	2023-04-12 06:26:50
8	Daniel Brännvall	0.08 s	Haskell	2023-06-22 23:06:45
9	Antony Lee	0.09 s	Haskell	2017-01-16 13:00:54

#	User	Runtime	Language	Date
1	Mehdi Ichou	0.06 s	Java	2017-03-21 03:47:19
2	Samuel Klingström	0.06 s	Java	2017-06-12 21:23:23
3	Christian Le	0.08 s	Java	2016-11-13 11:10:50
4	Emil Bak-Møller	0.08 s	Java	2020-09-08 15:31:31
5	Sven Rönnbäck	0.09 s	Java	2022-11-26 19:37:57
6	Veronica Gunn	0.10 s	Java	2016-11-19 00:04:19
7	Martijn Schuurmans	0.10 s	Java	2017-05-16 14:08:48
8	Aurélien Pepin	0.10 s	Java	2020-04-11 11:51:14
9	Samuel Jefferis	0.10 s	Java	2020-10-30 18:31:09
10	Andreas Jansson	0.11 s	Java	2016-11-13 11:12:40

#	User	Runtime	Language	Date
1	Ster Sar	0.10 s	JavaScript (Node.js)	2023-06-18 23:12:15
2	Michele Fenu	0.44 s	JavaScript (Node.js)	2019-11-26 22:58:43

#	User	Runtime	Language	Date
1	Jimmy Gustafsson	0.04 s	JavaScript (SpiderMonkey)	2022-08-11 00:02:17
2	Christian Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-04-21 18:17:33
3	Bjørn Chr. Soltvedt	0.10 s	JavaScript (SpiderMonkey)	2016-12-20 02:32:40

#	User	Runtime	Language	Date
1	Timothy Gaede	0.55 s	Julia	2024-04-27 05:14:07

#	User	Runtime	Language	Date
1	Jahid Hasan Imon	0.21 s	Kotlin	2020-09-14 00:36:46
2	Hidden user	0.31 s	Kotlin	2017-11-21 00:21:05
3	Dayan Ruben Gonzalez	0.35 s	Kotlin	2020-09-28 15:29:07
4	Adam Rankin	0.36 s	Kotlin	2023-09-10 20:55:34
5	Phường Lên	0.41 s	Kotlin	2019-11-06 02:15:15

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.11 s	Pascal	2018-04-11 21:40:26

#	User	Runtime	Language	Date
1	Susanne Ragnemalm	0.02 s	PHP	2018-04-11 21:58:58

#	User	Runtime	Language	Date
1	Maj Stenmark	0.02 s	Python 2	2018-04-10 00:08:46
2	Christofer Ohlsson	0.03 s	Python 2	2016-11-13 11:17:04
3	Adriaan de Vries	0.03 s	Python 2	2016-12-13 20:06:51
4	Kasper Borys	0.03 s	Python 2	2017-02-18 19:10:14
5	Justin Su	0.03 s	Python 2	2017-09-19 06:52:55
6	Haggai Liu	0.03 s	Python 2	2017-10-21 21:29:23
7	Tomas Alvarez	0.03 s	Python 2	2017-11-01 20:58:31
8	Gabriel Gonzalez	0.03 s	Python 2	2017-11-01 21:13:34
9	Dangely Jeanelle	0.03 s	Python 2	2017-11-02 00:26:15
10	Andrei Stoica	0.03 s	Python 2	2017-11-13 18:39:32

#	User	Runtime	Language	Date
1	Christian Lindeström	0.02 s	Python 3	2016-11-13 18:06:02
2	Alex Gu	0.02 s	Python 3	2016-11-21 23:36:23
3	Wayne	0.02 s	Python 3	2016-12-16 11:05:10
4	Ram Basnet	0.02 s	Python 3	2016-12-19 22:40:08
5	Tim Hoer	0.02 s	Python 3	2017-01-13 19:35:59
6	Boyuan Gu	0.02 s	Python 3	2017-02-18 19:44:59
7	Donny Tran	0.02 s	Python 3	2017-03-17 21:23:17
8	William Fiset	0.02 s	Python 3	2017-03-22 23:34:48
9	Isaac Lee	0.02 s	Python 3	2017-03-22 23:36:37
10	Ciara Godwin	0.02 s	Python 3	2017-03-27 13:53:28

#	User	Runtime	Language	Date
1	Zohar Malamant	0.04 s	Ruby	2017-08-30 18:37:34
2	Clement Oh	0.06 s	Ruby	2023-10-18 12:05:10
3	Thomas Feld	0.07 s	Ruby	2023-03-29 13:00:18

#	User	Runtime	Language	Date
1	Benjamin Kaufmann	0.00 s	Rust	2019-05-23 08:01:12
2	David Kaméus	0.00 s	Rust	2021-11-26 14:38:08
3	Bas Dirks	0.00 s	Rust	2022-01-19 09:46:46
4	Artur Khuziakhmetov	0.00 s	Rust	2022-07-28 11:24:37
5	Melker Forsberg	0.00 s	Rust	2023-06-22 17:18:06
6	Nicholas	0.00 s	Rust	2023-06-23 11:12:11
7	Hidden user	0.00 s	Rust	2023-06-26 11:46:01
8	Vincent Lagerros	0.00 s	Rust	2025-09-03 16:15:16

#	User	Length	Language	Date
1	Arvid Jonasson	84	APL	2025-06-15 01:27:04

#	User	Length	Language	Date
1	Pontus Backe Petersson	624	C	2020-11-06 22:06:04
2	Hidden user	661	C	2017-11-21 01:01:53
3	Hidden user	717	C	2025-04-12 16:28:26
4	Ivan Petrov	755	C	2019-03-28 16:34:52
5	Jiangfeng Du	808	C	2019-03-14 16:25:10
6	Geraldi Akira Surya	809	C	2019-09-30 20:13:22
7	Bryan Heryanto	809	C	2019-10-02 07:25:03
8	Benjamin Lehmann	820	C	2021-02-22 21:24:55
9	Solomon Tikabo	1124	C	2025-02-25 01:02:01
10	Filiph Salomonsson	1129	C	2025-06-18 15:57:33

#	User	Length	Language	Date
1	traxex	327	C#	2024-05-27 15:27:21
2	Guus Van der Meer	640	C#	2018-09-25 10:42:10
3	Apurav Khare	681	C#	2021-10-17 19:25:23
4	Kasper Bollen	719	C#	2018-09-25 10:56:01
5	Anders Parsberg Wagner	749	C#	2020-09-04 16:59:54
6	Pontus Lidholm	760	C#	2023-06-28 13:37:17
7	Sjoerd Teunisse	823	C#	2018-10-10 17:48:09
8	Martijn Schuurmans	883	C#	2018-09-25 10:40:41
9	Doug Goodman	908	C#	2018-06-11 23:14:20
10	Kelvin Snepvangers	971	C#	2018-10-10 16:15:22

#	User	Length	Language	Date
1	Way Tan	288	C++	2018-12-07 08:31:45
2	blameazu	290	C++	2024-04-04 08:56:57
3	Yeung Man Tsung	296	C++	2022-12-27 07:45:54
4	Zane Yu	301	C++	2018-12-25 14:44:55
5	William Gan	308	C++	2017-11-23 18:18:44
6	Jackson Abascal	314	C++	2017-10-04 17:57:45
7	Hidden user	316	C++	2020-03-15 21:13:26
8	Ciprian Stanciu	317	C++	2020-11-21 18:17:31
9	Dong	321	C++	2021-04-25 20:02:05
10	Lim Hong Hui Eugene	326	C++	2019-04-12 09:02:40

#	User	Length	Language	Date
1	Worapol Boontanonda	484	Go	2020-11-04 17:36:29
2	Andriy Zyevakov	559	Go	2019-05-20 20:02:43
3	Norbert Voelker	645	Go	2021-08-19 21:25:58
4	Erik Rairden	858	Go	2021-01-22 04:34:39
5	Harrison Shen	871	Go	2023-03-30 05:07:19
6	Yitian Wang	929	Go	2023-04-04 00:19:25

#	User	Length	Language	Date
1	Matthew Craven	227	Haskell	2019-01-12 17:02:19
2	Antony Lee	238	Haskell	2017-01-16 13:00:54
3	Mason Barnhill	326	Haskell	2023-04-12 06:26:50
4	Brent Yorgey	342	Haskell	2017-12-31 21:42:20
5	Daniel Brännvall	360	Haskell	2023-06-22 23:06:45
6	Amin Bandali	480	Haskell	2017-09-19 06:34:32
7	Steinar Simonnes	679	Haskell	2024-10-16 08:39:41
8	Jan Hrček	760	Haskell	2021-04-21 05:31:50
9	Hidden user	12585	Haskell	2021-07-18 16:10:00

#	User	Length	Language	Date
1	Billy Quiroga	440	Java	2016-11-19 00:14:43
2	Doug Goodman	444	Java	2018-05-09 20:13:13
3	Carson Kreppein	449	Java	2016-11-19 03:07:22
4	Spencer Compton	457	Java	2016-11-19 00:20:22
5	Brett Fazio	463	Java	2016-11-19 02:51:33
6	Kevin Flynn	463	Java	2018-11-27 15:48:00
7	Alex Coleman	478	Java	2017-03-02 19:11:36
8	Natalie Axelsson	478	Java	2017-06-14 18:32:20
9	Stela Palii	485	Java	2017-12-10 21:34:33
10	Phat Tran Hong Dai	498	Java	2018-11-20 13:20:45

#	User	Length	Language	Date
1	Ster Sar	749	JavaScript (Node.js)	2023-06-18 23:12:15
2	Michele Fenu	751	JavaScript (Node.js)	2019-11-26 22:58:43

#	User	Length	Language	Date
1	Christian Cederquist	270	JavaScript (SpiderMonkey)	2023-04-21 18:17:33
2	Jimmy Gustafsson	296	JavaScript (SpiderMonkey)	2022-08-11 00:02:17
3	Bjørn Chr. Soltvedt	17903	JavaScript (SpiderMonkey)	2016-12-20 02:32:40

#	User	Length	Language	Date
1	Timothy Gaede	484	Julia	2024-04-27 05:14:07

#	User	Length	Language	Date
1	Hidden user	351	Kotlin	2017-11-21 00:21:05
2	Dayan Ruben Gonzalez	475	Kotlin	2020-09-28 15:29:07
3	Adam Rankin	584	Kotlin	2023-09-10 20:55:34
4	Phường Lên	765	Kotlin	2019-11-06 02:15:15
5	Jahid Hasan Imon	1841	Kotlin	2020-09-14 00:36:46

#	User	Length	Language	Date
1	Ingemar Ragnemalm	3278	Pascal	2018-04-11 21:40:26

#	User	Length	Language	Date
1	Susanne Ragnemalm	423	PHP	2018-04-11 21:58:58

#	User	Length	Language	Date
1	Thomas Feld	148	Python 2	2019-10-15 13:30:03
2	Lars Åström	201	Python 2	2018-04-09 22:15:56
3	Andreas Björklund	201	Python 2	2019-04-15 18:17:27
4	Justin Su	204	Python 2	2017-09-19 06:56:29
5	Jesper Öqvist	207	Python 2	2018-05-24 10:24:53
6	Hidden user	227	Python 2	2018-01-08 02:55:11
7	Kasper Borys	228	Python 2	2017-02-18 19:10:14
8	Maj Stenmark	228	Python 2	2018-04-10 00:07:30
9	Björn Magnusson	233	Python 2	2021-03-15 20:46:50
10	Fredrik Horn Dannert	245	Python 2	2021-03-13 10:10:39

#	User	Length	Language	Date
1	Simon Hellsten	99	Python 3	2023-08-06 10:54:28
2	Isak Nyberg	103	Python 3	2023-06-27 17:48:10
3	Clement Oh	106	Python 3	2023-08-17 12:48:33
4	Benjamin Z White	114	Python 3	2023-05-11 19:17:32
5	Marcus Xu	119	Python 3	2023-04-02 18:05:16
6	Tai Tze Kin	125	Python 3	2024-05-03 22:35:24
7	Ahmed Chamseddine	134	Python 3	2024-09-18 15:09:52
8	Lee Isaac	141	Python 3	2023-05-12 11:51:04
9	Nino Bašić	145	Python 3	2023-01-07 21:57:55
10	Theo Coyne Morgan	157	Python 3	2019-04-07 03:11:21

#	User	Length	Language	Date
1	Thomas Feld	79	Ruby	2023-03-29 13:00:18
2	Clement Oh	107	Ruby	2023-10-18 12:05:10
3	Zohar Malamant	339	Ruby	2017-08-30 18:37:34

#	User	Length	Language	Date
1	Vincent Lagerros	434	Rust	2025-09-03 16:15:16
2	David Kaméus	542	Rust	2021-11-26 14:38:08
3	Artur Khuziakhmetov	552	Rust	2022-07-28 11:24:37
4	Bas Dirks	565	Rust	2022-01-19 09:46:46
5	Hidden user	799	Rust	2023-06-26 11:46:01
6	Benjamin Kaufmann	813	Rust	2019-05-23 08:01:12
7	Melker Forsberg	828	Rust	2023-06-22 17:18:06
8	Nicholas	949	Rust	2023-06-23 11:12:11

Solution running time distribution