Problem A
Tildes — Problem Statistics

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Submissions	5047
Accepted submissions	1915
Submission ratio	37.94%
Authors	1249
Full solves [?]	1093
Full solve Ratio	87.51%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.09 s	C	2024-09-17 12:50:18
2	Martin Stensgård	0.10 s	C	2024-03-25 19:05:51
3	Eyleifur Bjarkason	0.14 s	C	2019-04-10 15:14:12
4	Iman Khodadi	0.23 s	C	2020-10-31 10:41:23
5	Cookieblues	0.23 s	C	2021-02-09 12:43:09
6	Teitur Gudmundarson	0.23 s	C	2021-02-24 14:10:48
7	Joshua Hudson	0.23 s	C	2021-05-20 15:29:53
8	Thibault Raffaillac	0.23 s	C	2021-11-04 16:43:58
9	Kristian Graven Hansen	0.23 s	C	2022-02-13 12:09:15
10	Jón Steinn Elíasson	0.24 s	C	2020-03-22 12:34:47

#	User	Runtime	Language	Date
1	Nils Lenart	1.17 s	C#	2020-03-16 13:30:01
2	Joakim Eriksson	1.22 s	C#	2020-01-06 18:55:45
3	Artemy Gavrilov	2.91 s	C#	2024-02-09 17:52:36

#	User	Runtime	Language	Date
1	Brandon Zhang	0.06 s	C++	2020-08-19 04:30:50
2	Zane Yu	0.08 s	C++	2020-01-08 11:24:46
3	Øyvind Almli	0.08 s	C++	2023-01-12 12:09:09
4	Troels Bjerre Lund	0.10 s	C++	2021-09-13 13:56:41
5	Agis Daniels	0.11 s	C++	2021-12-10 14:57:14
6	Garðar Ingvarsson	0.12 s	C++	2019-04-19 12:19:52
7	Árni Bjarnsteinsson	0.13 s	C++	2020-02-11 20:38:59
8	Tómas Ingi Hrólfsson	0.13 s	C++	2021-02-23 01:03:30
9	Hans Tananda	0.14 s	C++	2020-08-15 07:02:50
10	Arnav Sastry	0.18 s	C++	2019-09-12 20:10:06

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	1.58 s	F#	2023-03-05 08:48:50

#	User	Runtime	Language	Date
1	Tim Put	0.22 s	Haskell	2021-03-26 23:46:03
2	Hidden user	0.52 s	Haskell	2022-01-20 05:16:36
3	Ola Berglund	0.55 s	Haskell	2023-11-19 14:37:28
4	Steinar Simonnes	0.59 s	Haskell	2024-09-25 16:33:41

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.35 s	Java	2023-02-09 15:40:58
2	Emil Bak-Møller	0.39 s	Java	2021-08-02 21:23:48
3	Asmus Tørsleff	0.40 s	Java	2021-02-23 18:55:57
4	Guangyi Zhou	0.40 s	Java	2025-05-11 13:07:18
5	Joachim Borup	0.43 s	Java	2021-02-14 19:45:04
6	Karl Theodor Ruby	0.51 s	Java	2025-03-27 16:26:18
7	Crystal Sharpe	0.54 s	Java	2021-06-22 15:09:59
8	Samuel Klingström	0.56 s	Java	2020-09-11 11:31:51
9	Liam Keliher	0.59 s	Java	2020-06-03 23:57:12
10	Anurag Datta	0.60 s	Java	2025-12-21 02:33:14

#	User	Runtime	Language	Date
1	Minh Trang Nguyen	0.83 s	JavaScript (Node.js)	2025-12-24 19:04:46

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	2.07 s	JavaScript (SpiderMonkey)	2019-04-16 08:20:06
2	Zach Tschetter	2.15 s	JavaScript (SpiderMonkey)	2023-06-29 21:19:05
3	Christian Pilegaard Cederquist	2.23 s	JavaScript (SpiderMonkey)	2023-06-04 14:36:52

#	User	Runtime	Language	Date
1	Chelsea Hoernemann	1.02 s	Kotlin	2022-11-16 20:21:45
2	Phường Lên	1.20 s	Kotlin	2019-12-11 05:52:19
3	Hidden user	1.45 s	Kotlin	2019-12-11 07:50:45
4	Adam Rankin	2.58 s	Kotlin	2023-09-09 19:33:38
5	Anders Kristoffersen	2.68 s	Kotlin	2024-11-16 23:54:31

#	User	Runtime	Language	Date
1	Martin Stensgård	1.59 s	OCaml	2020-12-17 12:47:46

#	User	Runtime	Language	Date
1	Thomas Feld	0.67 s	Python 2	2020-03-31 09:36:05
2	Ram Basnet	0.71 s	Python 2	2019-11-19 06:01:24
3	Yanmarshus Bachtiar	1.60 s	Python 2	2020-10-20 08:24:44
4	Isaac Lee	1.82 s	Python 2	2020-06-29 04:46:09
5	Lekhitha Ammaresh	1.82 s	Python 2	2022-04-12 19:17:30
6	Jason Cannon	2.44 s	Python 2	2020-03-04 17:07:48

#	User	Runtime	Language	Date
1	Ocram Esah	0.41 s	Python 3	2022-06-06 08:30:19
2	Arni Alfredsson	0.54 s	Python 3	2024-10-16 13:58:48
3	Rabiul Hasan	0.54 s	Python 3	2025-12-19 21:08:52
4	Jonathan de Koning	0.59 s	Python 3	2024-06-18 19:11:51
5	Malex	0.59 s	Python 3	2025-10-08 18:02:30
6	Jordan Whalen	0.61 s	Python 3	2022-10-11 16:22:59
7	Petr	0.61 s	Python 3	2025-04-06 15:52:59
8	Mohamed A	0.62 s	Python 3	2025-10-08 17:31:59
9	Atli Fannar Franklín	0.63 s	Python 3	2022-02-17 13:13:14
10	benluiwj	0.63 s	Python 3	2022-10-15 13:04:54

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.06 s	Rust	2025-05-31 23:05:53
2	Artur Khuziakhmetov	0.11 s	Rust	2025-11-17 12:56:48
3	Jens Larsen	0.13 s	Rust	2022-11-19 13:04:21
4	Jonathan Choi	0.17 s	Rust	2024-02-09 17:44:28
5	Jonas Ulsnes Jørgensen	0.18 s	Rust	2022-01-28 20:34:57
6	Pahlevi Fikri Auliya	0.27 s	Rust	2020-11-09 22:58:00
7	Klas af Geijerstam	0.31 s	Rust	2020-03-02 09:43:14
8	Mikael Fiala-Lundström	0.33 s	Rust	2025-03-09 15:28:03
9	Michael Earl	0.45 s	Rust	2019-12-09 09:55:49
10	Ng Tek In	1.08 s	Rust	2022-09-05 16:52:12

#	User	Length	Language	Date
1	Yeboah Peacebridge Osei	737	C	2024-05-21 15:26:23
2	Elyas Omar	737	C	2024-05-21 21:04:03
3	Elias Aslaksen	738	C	2023-02-07 17:57:29
4	Cookieblues	751	C	2021-02-09 12:43:09
5	Iman Khodadi	774	C	2020-10-31 10:41:23
6	Joshua Hudson	774	C	2021-05-20 15:29:53
7	14 Hariharan Thiagarajan K	774	C	2022-05-16 13:09:20
8	Rizal Andriana	774	C	2022-08-03 16:07:39
9	Jón Steinn Elíasson	776	C	2020-03-22 12:34:47
10	Ricardo Chee-Chong	776	C	2023-04-22 04:29:41

#	User	Length	Language	Date
1	Artemy Gavrilov	1426	C#	2024-02-09 17:52:36
2	Joakim Eriksson	4729	C#	2020-01-06 18:55:45
3	Nils Lenart	9710	C#	2020-03-16 13:30:01

#	User	Length	Language	Date
1	blameazu	551	C++	2024-05-22 06:41:16
2	陳心誠	576	C++	2024-07-18 06:00:20
3	Markus Mathiasen	582	C++	2021-11-04 18:47:47
4	Ásmundur Óskar Ásmundsson	593	C++	2019-04-10 15:31:51
5	Erik Amirell Eklöf	601	C++	2021-09-01 15:21:45
6	Teikn Smith	601	C++	2022-08-23 01:20:49
7	Nikola Stojkovski	606	C++	2024-06-13 14:24:50
8	Sindri Magnusson	613	C++	2020-02-11 21:08:22
9	Armen Andreasyan	615	C++	2022-07-01 13:05:27
10	Frederick Pek	618	C++	2021-07-28 12:27:02

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1566	F#	2023-03-05 08:48:50

#	User	Length	Language	Date
1	Tim Put	1006	Haskell	2021-03-08 04:14:57
2	Ola Berglund	1780	Haskell	2023-11-19 14:37:28
3	Hidden user	2137	Haskell	2022-01-20 05:16:36
4	Steinar Simonnes	2376	Haskell	2024-09-25 16:28:47

#	User	Length	Language	Date
1	Crystal Sharpe	1088	Java	2021-06-22 15:09:59
2	Anne-Katrine Borgstrøm	1249	Java	2020-02-10 15:38:11
3	Blake Herrera	1291	Java	2022-09-11 21:17:23
4	Doug Goodman	1374	Java	2019-11-29 21:10:21
5	He Haodong	1396	Java	2025-10-13 04:46:32
6	Thore Husfeldt	1412	Java	2020-02-05 12:14:00
7	Thomas Sørup Bavnhøj	1431	Java	2022-07-07 20:59:25
8	Saif Mahmud Parvez	1453	Java	2024-04-14 13:32:21
9	Shreyas Jamadagni	1454	Java	2024-11-18 18:11:25
10	Logan Pipes	1485	Java	2021-06-24 00:05:32

#	User	Length	Language	Date
1	Minh Trang Nguyen	1123	JavaScript (Node.js)	2025-12-24 19:04:46

#	User	Length	Language	Date
1	Zach Tschetter	764	JavaScript (SpiderMonkey)	2023-06-29 21:19:05
2	Christian Pilegaard Cederquist	841	JavaScript (SpiderMonkey)	2023-06-04 14:36:52
3	Bjørn Chr. Soltvedt	5784	JavaScript (SpiderMonkey)	2019-04-16 08:20:06

#	User	Length	Language	Date
1	Anders Kristoffersen	990	Kotlin	2024-11-17 00:18:55
2	Adam Rankin	1132	Kotlin	2023-09-09 19:33:38
3	Phường Lên	1504	Kotlin	2019-12-11 05:52:19
4	Hidden user	1707	Kotlin	2019-12-11 07:50:45
5	Chelsea Hoernemann	2379	Kotlin	2022-11-16 20:21:45

#	User	Length	Language	Date
1	Martin Stensgård	1045	OCaml	2020-12-17 12:47:46

#	User	Length	Language	Date
1	Thomas Feld	526	Python 2	2020-03-31 09:36:05
2	Jason Cannon	549	Python 2	2020-03-04 17:07:48
3	Ram Basnet	1102	Python 2	2019-11-19 06:01:24
4	Yanmarshus Bachtiar	1135	Python 2	2020-10-20 08:24:44
5	Lekhitha Ammaresh	1143	Python 2	2022-04-12 19:17:30
6	Isaac Lee	1584	Python 2	2020-06-29 04:46:09

#	User	Length	Language	Date
1	Noah Hessen Bjerke	346	Python 3	2025-11-08 19:52:58
2	Ahmed Chamseddine	372	Python 3	2025-01-22 22:11:10
3	Arni Alfredsson	400	Python 3	2024-11-16 11:20:47
4	Andreas Björklund	458	Python 3	2023-04-11 17:31:14
5	Oskar Haarklou Veileborg	459	Python 3	2020-08-19 17:26:41
6	Petr	531	Python 3	2025-04-06 15:30:56
7	Blake Herrera	537	Python 3	2022-09-10 22:20:53
8	Nixxa	546	Python 3	2023-04-15 00:27:50
9	Paco Criado	554	Python 3	2023-07-13 17:48:12
10	Hallgrímur Haraldsson	564	Python 3	2023-02-15 16:27:05

#	User	Length	Language	Date
1	David Rasch	1333	Rust	2022-10-13 11:55:37
2	Gorm Casper	1500	Rust	2020-02-08 19:40:38
3	Bas Dirks	1542	Rust	2022-01-26 14:35:23
4	Anshil Gandhi	1716	Rust	2020-08-20 01:50:39
5	Artur Khuziakhmetov	1826	Rust	2025-11-17 12:36:34
6	Jonas Ulsnes Jørgensen	1896	Rust	2022-01-25 19:50:12
7	Ng Tek In	1944	Rust	2022-09-05 16:52:12
8	Klas af Geijerstam	2238	Rust	2020-01-15 13:57:12
9	Mikael Fiala-Lundström	2335	Rust	2025-03-09 13:47:12
10	Jens Larsen	2414	Rust	2021-09-10 13:38:39

Solution running time distribution