Problem A
Tildes — Problem Statistics

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Submissions	5002
Accepted submissions	1890
Submission ratio	37.78%
Authors	1230
Full solves [?]	1076
Full solve Ratio	87.48%

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

#	User	Runtime	Language	Date
1	Nils Lenart	1.17 s	C#	2020-03-16 14:30:01
2	Joakim Eriksson	1.22 s	C#	2020-01-06 19:55:45
3	Artemy Gavrilov	2.91 s	C#	2024-02-09 18:52:36

#	User	Runtime	Language	Date
1	Brandon Zhang	0.06 s	C++	2020-08-19 06:30:50
2	Zane Yu	0.08 s	C++	2020-01-08 12:24:46
3	Øyvind Almli	0.08 s	C++	2023-01-12 13:09:09
4	Troels Bjerre Lund	0.10 s	C++	2021-09-13 15:56:41
5	Agis Daniels	0.11 s	C++	2021-12-10 15:57:14
6	Garðar Ingvarsson	0.12 s	C++	2019-04-19 14:19:52
7	Árni Bjarnsteinsson	0.13 s	C++	2020-02-11 21:38:59
8	Tómas Ingi Hrólfsson	0.13 s	C++	2021-02-23 02:03:30
9	Hans Tananda	0.14 s	C++	2020-08-15 09:02:50
10	Arnav Sastry	0.18 s	C++	2019-09-12 22:10:06

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	1.58 s	F#	2023-03-05 09:48:50

#	User	Runtime	Language	Date
1	Tim Put	0.22 s	Haskell	2021-03-27 00:46:03
2	Hidden user	0.52 s	Haskell	2022-01-20 06:16:36
3	Ola Berglund	0.55 s	Haskell	2023-11-19 15:37:28
4	Steinar Simonnes	0.59 s	Haskell	2024-09-25 18:33:41

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.35 s	Java	2023-02-09 16:40:58
2	Emil Bak-Møller	0.39 s	Java	2021-08-02 23:23:48
3	Asmus Tørsleff	0.40 s	Java	2021-02-23 19:55:57
4	Guangyi Zhou	0.40 s	Java	2025-05-11 15:07:18
5	Joachim Borup	0.43 s	Java	2021-02-14 20:45:04
6	Karl Theodor Ruby	0.51 s	Java	2025-03-27 17:26:18
7	Crystal Sharpe	0.54 s	Java	2021-06-22 17:09:59
8	Samuel Klingström	0.56 s	Java	2020-09-11 13:31:51
9	Liam Keliher	0.59 s	Java	2020-06-04 01:57:12
10	Bjørn Dons	0.62 s	Java	2019-05-17 01:44:41

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	2.07 s	JavaScript (SpiderMonkey)	2019-04-16 10:20:06
2	Zach Tschetter	2.15 s	JavaScript (SpiderMonkey)	2023-06-29 23:19:05
3	Christian Pilegaard Cederquist	2.23 s	JavaScript (SpiderMonkey)	2023-06-04 16:36:52

#	User	Runtime	Language	Date
1	Chelsea Hoernemann	1.02 s	Kotlin	2022-11-16 21:21:45
2	Phường Lên	1.20 s	Kotlin	2019-12-11 06:52:19
3	Hidden user	1.45 s	Kotlin	2019-12-11 08:50:45
4	Adam Rankin	2.58 s	Kotlin	2023-09-09 21:33:38
5	Anders Kristoffersen	2.68 s	Kotlin	2024-11-17 00:54:31

#	User	Runtime	Language	Date
1	Martin Stensgård	1.59 s	OCaml	2020-12-17 13:47:46

#	User	Runtime	Language	Date
1	Thomas Feld	0.67 s	Python 2	2020-03-31 11:36:05
2	Ram Basnet	0.71 s	Python 2	2019-11-19 07:01:24
3	Yanmarshus Bachtiar	1.60 s	Python 2	2020-10-20 10:24:44
4	Isaac Lee	1.82 s	Python 2	2020-06-29 06:46:09
5	Lekhitha Ammaresh	1.82 s	Python 2	2022-04-12 21:17:30
6	Jason Cannon	2.44 s	Python 2	2020-03-04 18:07:48

#	User	Runtime	Language	Date
1	Ocram Esah	0.41 s	Python 3	2022-06-06 10:30:19
2	Arni Alfredsson	0.54 s	Python 3	2024-10-16 15:58:48
3	Jonathan de Koning	0.59 s	Python 3	2024-06-18 21:11:51
4	Malex	0.59 s	Python 3	2025-10-08 20:02:30
5	Jordan Whalen	0.61 s	Python 3	2022-10-11 18:22:59
6	Petr	0.61 s	Python 3	2025-04-06 17:52:59
7	Mohamed A	0.62 s	Python 3	2025-10-08 19:31:59
8	Atli Fannar Franklín	0.63 s	Python 3	2022-02-17 14:13:14
9	benluiwj	0.63 s	Python 3	2022-10-15 15:04:54
10	Brynjar Már Björnsson	0.63 s	Python 3	2025-02-25 22:42:27

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.06 s	Rust	2025-06-01 01:05:53
2	Jens Larsen	0.13 s	Rust	2022-11-19 14:04:21
3	Jonathan Choi	0.17 s	Rust	2024-02-09 18:44:28
4	Jonas Ulsnes Jørgensen	0.18 s	Rust	2022-01-28 21:34:57
5	Pahlevi Fikri Auliya	0.27 s	Rust	2020-11-09 23:58:00
6	Klas af Geijerstam	0.31 s	Rust	2020-03-02 10:43:14
7	Mikael Fiala-Lundström	0.33 s	Rust	2025-03-09 16:28:03
8	Michael Earl	0.45 s	Rust	2019-12-09 10:55:49
9	Ng Tek In	1.08 s	Rust	2022-09-05 18:52:12
10	David Rasch	1.17 s	Rust	2022-10-13 13:55:37

#	User	Length	Language	Date
1	Yeboah Peacebridge Osei	737	C	2024-05-21 17:26:23
2	Elyas Omar	737	C	2024-05-21 23:04:03
3	Elias Aslaksen	738	C	2023-02-07 18:57:29
4	Cookieblues	751	C	2021-02-09 13:43:09
5	Iman Khodadi	774	C	2020-10-31 11:41:23
6	Joshua Hudson	774	C	2021-05-20 17:29:53
7	14 Hariharan Thiagarajan K	774	C	2022-05-16 15:09:20
8	Rizal Andriana	774	C	2022-08-03 18:07:39
9	Jón Steinn Elíasson	776	C	2020-03-22 13:34:47
10	Ricardo Chee-Chong	776	C	2023-04-22 06:29:41

#	User	Length	Language	Date
1	Artemy Gavrilov	1426	C#	2024-02-09 18:52:36
2	Joakim Eriksson	4729	C#	2020-01-06 19:55:45
3	Nils Lenart	9710	C#	2020-03-16 14:30:01

#	User	Length	Language	Date
1	blameazu	551	C++	2024-05-22 08:41:16
2	陳心誠	576	C++	2024-07-18 08:00:20
3	Markus Mathiasen	582	C++	2021-11-04 19:47:47
4	Ásmundur Óskar Ásmundsson	593	C++	2019-04-10 17:31:51
5	Erik Amirell Eklöf	601	C++	2021-09-01 17:21:45
6	Teikn Smith	601	C++	2022-08-23 03:20:49
7	Nikola Stojkovski	606	C++	2024-06-13 16:24:50
8	Sindri Magnusson	613	C++	2020-02-11 22:08:22
9	Armen Andreasyan	615	C++	2022-07-01 15:05:27
10	Frederick Pek	618	C++	2021-07-28 14:27:02

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1566	F#	2023-03-05 09:48:50

#	User	Length	Language	Date
1	Tim Put	1006	Haskell	2021-03-08 05:14:57
2	Ola Berglund	1780	Haskell	2023-11-19 15:37:28
3	Hidden user	2137	Haskell	2022-01-20 06:16:36
4	Steinar Simonnes	2376	Haskell	2024-09-25 18:28:47

#	User	Length	Language	Date
1	Crystal Sharpe	1088	Java	2021-06-22 17:09:59
2	Anne-Katrine Borgstrøm	1249	Java	2020-02-10 16:38:11
3	Blake Herrera	1291	Java	2022-09-11 23:17:23
4	Doug Goodman	1374	Java	2019-11-29 22:10:21
5	He Haodong	1396	Java	2025-10-13 06:46:32
6	Thore Husfeldt	1412	Java	2020-02-05 13:14:00
7	Thomas Sørup Bavnhøj	1431	Java	2022-07-07 22:59:25
8	Saif Mahmud Parvez	1453	Java	2024-04-14 15:32:21
9	Shreyas Jamadagni	1454	Java	2024-11-18 19:11:25
10	Logan Pipes	1485	Java	2021-06-24 02:05:32

#	User	Length	Language	Date
1	Zach Tschetter	764	JavaScript (SpiderMonkey)	2023-06-29 23:19:05
2	Christian Pilegaard Cederquist	841	JavaScript (SpiderMonkey)	2023-06-04 16:36:52
3	Bjørn Chr. Soltvedt	5784	JavaScript (SpiderMonkey)	2019-04-16 10:20:06

#	User	Length	Language	Date
1	Anders Kristoffersen	990	Kotlin	2024-11-17 01:18:55
2	Adam Rankin	1132	Kotlin	2023-09-09 21:33:38
3	Phường Lên	1504	Kotlin	2019-12-11 06:52:19
4	Hidden user	1707	Kotlin	2019-12-11 08:50:45
5	Chelsea Hoernemann	2379	Kotlin	2022-11-16 21:21:45

#	User	Length	Language	Date
1	Martin Stensgård	1045	OCaml	2020-12-17 13:47:46

#	User	Length	Language	Date
1	Thomas Feld	526	Python 2	2020-03-31 11:36:05
2	Jason Cannon	549	Python 2	2020-03-04 18:07:48
3	Ram Basnet	1102	Python 2	2019-11-19 07:01:24
4	Yanmarshus Bachtiar	1135	Python 2	2020-10-20 10:24:44
5	Lekhitha Ammaresh	1143	Python 2	2022-04-12 21:17:30
6	Isaac Lee	1584	Python 2	2020-06-29 06:46:09

#	User	Length	Language	Date
1	Ahmed Chamseddine	372	Python 3	2025-01-22 23:11:10
2	Arni Alfredsson	400	Python 3	2024-11-16 12:20:47
3	Andreas Björklund	458	Python 3	2023-04-11 19:31:14
4	Oskar Haarklou Veileborg	459	Python 3	2020-08-19 19:26:41
5	Petr	531	Python 3	2025-04-06 17:30:56
6	Blake Herrera	537	Python 3	2022-09-11 00:20:53
7	Nixxa	546	Python 3	2023-04-15 02:27:50
8	Paco Criado	554	Python 3	2023-07-13 19:48:12
9	Hallgrímur Haraldsson	564	Python 3	2023-02-15 17:27:05
10	Bergur Snorrason	564	Python 3	2024-05-19 09:32:47

#	User	Length	Language	Date
1	David Rasch	1333	Rust	2022-10-13 13:55:37
2	Gorm Casper	1500	Rust	2020-02-08 20:40:38
3	Bas Dirks	1542	Rust	2022-01-26 15:35:23
4	Anshil Gandhi	1716	Rust	2020-08-20 03:50:39
5	Jonas Ulsnes Jørgensen	1896	Rust	2022-01-25 20:50:12
6	Ng Tek In	1944	Rust	2022-09-05 18:52:12
7	Klas af Geijerstam	2238	Rust	2020-01-15 14:57:12
8	Mikael Fiala-Lundström	2335	Rust	2025-03-09 14:47:12
9	Jens Larsen	2414	Rust	2021-09-10 15:38:39
10	Michael Earl	2514	Rust	2019-12-09 10:55:49

Solution running time distribution