Problem A
Toggi — Problem Statistics

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Submissions	783
Accepted submissions	488
Submission ratio	62.32%
Authors	248
Full solves [?]	186
Full solve Ratio	75.00%

#	User	Score	Language	Date
1	Sven Rönnbäck	100	C	2024-11-29 17:03:08
2	Isabella Luk	100	C	2025-02-05 02:14:19
3	Álfgrímur Davíð	100	C	2025-03-18 19:36:16
4	Mirel Cosulschi	100	C	2025-05-28 14:09:08
5	Pranav Behata	100	C	2025-09-28 23:38:15
6	Jonatan Altebro	80	C	2025-03-14 16:39:15
7	Birger Lundin	30	C	2025-12-19 12:26:04

#	User	Score	Language	Date
1	Ólafur Andri	100	C#	2018-03-10 18:25:01
2	Gunnar Dofri Viðarsson	80	C#	2018-03-16 11:23:14
3	Hamdanil Rasyid	60	C#	2024-12-21 21:19:00
4	Sofia Hansson	30	C#	2025-06-17 18:45:45

#	User	Score	Language	Date
1	Hidden user	100	Go	2021-10-22 18:56:46
2	Norbert Voelker	100	Go	2024-12-14 22:18:18

#	User	Score	Language	Date
1	Steinar Simonnes	100	Haskell	2024-11-27 16:48:36
2	Brent Yorgey	100	Haskell	2024-11-29 01:29:49
3	Fabian Mitterwallner	100	Haskell	2025-08-02 23:41:46

#	User	Score	Language	Date
1	Róbert Kristian Freysson	100	JavaScript (Node.js)	2024-03-02 15:41:11

#	User	Score	Language	Date
1	Bjørn Chr. Soltvedt	80	JavaScript (SpiderMonkey)	2024-11-26 12:36:42

#	User	Score	Language	Date
1	Timothy Gaede	100	Julia	2025-03-25 14:44:07

#	User	Score	Language	Date
1	Adam Rankin	100	Kotlin	2026-01-13 00:00:01

#	User	Score	Language	Date
1	Óðinn Ágústsson	100	Lua	2025-02-05 17:49:53

#	User	Score	Language	Date
1	주안석	100	Pascal	2017-11-16 16:09:51

#	User	Score	Language	Date
1	Guðni Natan Gunnarsson	100	Python 2	2017-03-21 09:12:34
2	Kristmundur Agust	100	Python 2	2017-10-01 05:10:33
3	주안석	100	Python 2	2017-11-14 00:48:07
4	Sigurður Jens Albertsson	100	Python 2	2018-01-12 17:21:22
5	Samúel Arnar Hafsteinsson	100	Python 2	2020-08-14 15:00:29
6	Dagur Benjamínsson	80	Python 2	2019-09-16 17:52:35
7	Reyn Alpha Magnúsar	30	Python 2	2018-03-10 15:19:26

#	User	Score	Language	Date
1	Thomas Feld	100	Ruby	2025-02-13 10:15:38

#	User	Score	Language	Date
1	Þórhallur Tryggvason	100	Rust	2023-07-08 16:33:31
2	Bas Dirks	100	Rust	2025-01-19 20:08:45
3	Vincent Lagerros	100	Rust	2025-01-30 18:55:35
4	Frank Endriss	100	Rust	2025-02-20 09:28:15
5	Tan Wang Leng	100	Rust	2025-03-23 14:08:12

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.00 s	C	2024-11-29 17:03:08
2	Isabella Luk	0.00 s	C	2025-02-05 02:14:19
3	Álfgrímur Davíð	0.00 s	C	2025-03-18 19:36:16
4	Mirel Cosulschi	0.00 s	C	2025-05-28 14:09:08
5	Pranav Behata	0.00 s	C	2025-09-28 23:38:15

#	User	Runtime	Language	Date
1	Ólafur Andri	0.06 s	C#	2018-03-10 18:25:01

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Go	2021-10-22 18:56:46
2	Norbert Voelker	0.00 s	Go	2024-12-14 22:18:18

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2024-11-27 16:48:36
2	Brent Yorgey	0.00 s	Haskell	2024-11-29 01:29:49
3	Fabian Mitterwallner	0.00 s	Haskell	2025-08-02 23:41:46

#	User	Runtime	Language	Date
1	Einar Darri Sveinbjörnsson	0.04 s	Java	2024-08-24 18:13:28
2	Víðir D. Krogsgaard	0.04 s	Java	2024-08-26 16:21:54
3	Elias Hrafn Halldórsson	0.04 s	Java	2024-08-26 20:10:04
4	Stela Palii	0.04 s	Java	2024-12-11 03:48:50
5	Ben Cobb	0.04 s	Java	2025-04-10 03:15:55
6	Björn Orri Þórleifsson	0.04 s	Java	2025-09-16 11:38:59
7	Issa Issack	0.05 s	Java	2025-02-22 22:52:17
8	Esja Kristín Siggeirsdóttir	0.08 s	Java	2024-08-28 19:36:34
9	Steinunn Maria Bergthorsdottir	0.08 s	Java	2025-02-09 16:02:06
10	Víkingur Einarsson	0.09 s	Java	2024-08-25 11:51:14

#	User	Runtime	Language	Date
1	Róbert Kristian Freysson	0.05 s	JavaScript (Node.js)	2024-03-02 15:41:11

#	User	Runtime	Language	Date
1	Timothy Gaede	0.30 s	Julia	2025-03-25 14:44:07

#	User	Runtime	Language	Date
1	Adam Rankin	0.22 s	Kotlin	2026-01-13 00:00:01

#	User	Runtime	Language	Date
1	Óðinn Ágústsson	0.00 s	Lua	2025-02-05 17:49:53

#	User	Runtime	Language	Date
1	주안석	0.00 s	Pascal	2017-11-16 16:09:51

#	User	Runtime	Language	Date
1	Guðni Natan Gunnarsson	0.08 s	Python 2	2017-03-21 09:12:34
2	Kristmundur Agust	0.08 s	Python 2	2017-10-01 05:10:33
3	주안석	0.08 s	Python 2	2017-11-14 00:48:07
4	Sigurður Jens Albertsson	0.08 s	Python 2	2018-01-12 17:21:22
5	Samúel Arnar Hafsteinsson	0.08 s	Python 2	2020-08-14 15:00:29

#	User	Runtime	Language	Date
1	Svavar Bjarki Bjarnason	0.04 s	Python 3	2024-09-17 01:39:25
2	Jón Atli Guðmundsson	0.04 s	Python 3	2024-09-17 04:41:27
3	Jon Arnar	0.04 s	Python 3	2024-09-17 14:39:02
4	Jakob Matthíasson	0.04 s	Python 3	2024-09-20 18:50:36
5	Guðlaugur Ísfeld andreasen	0.04 s	Python 3	2024-09-21 13:22:11
6	Milan Petrusic	0.04 s	Python 3	2024-09-22 08:59:56
7	Hrafnkell Hreinsson	0.04 s	Python 3	2024-09-22 13:33:20
8	Guk Yi Siong	0.04 s	Python 3	2024-11-26 18:18:14
9	Sander Oppen	0.04 s	Python 3	2024-11-27 14:46:16
10	Iman Khodadi	0.04 s	Python 3	2024-11-28 18:38:31

#	User	Runtime	Language	Date
1	Thomas Feld	0.07 s	Ruby	2025-02-13 10:15:38

#	User	Runtime	Language	Date
1	Þórhallur Tryggvason	0.00 s	Rust	2023-07-08 16:33:31
2	Bas Dirks	0.00 s	Rust	2025-01-19 20:08:45
3	Vincent Lagerros	0.00 s	Rust	2025-01-30 18:55:35
4	Frank Endriss	0.00 s	Rust	2025-02-20 09:28:15
5	Tan Wang Leng	0.00 s	Rust	2025-03-23 14:08:12

#	User	Length	Language	Date
1	Mirel Cosulschi	408	C	2025-05-28 14:09:08
2	Álfgrímur Davíð	576	C	2025-03-18 19:36:16
3	Pranav Behata	586	C	2025-09-28 23:38:15
4	Isabella Luk	828	C	2025-02-05 02:14:19
5	Sven Rönnbäck	983	C	2024-11-29 17:03:08

#	User	Length	Language	Date
1	Ólafur Andri	1942	C#	2018-03-10 18:25:01

#	User	Length	Language	Date
1	Robert Logi Jonsson	206	C++	2024-09-20 02:23:58
2	Ernest Ng Zi Xuan	297	C++	2026-02-23 07:05:54
3	Ke Sun	368	C++	2024-12-08 13:49:36
4	Mina Heier	370	C++	2025-08-14 20:06:49
5	Sophie Zeihen	401	C++	2025-08-24 11:40:18
6	Gunnsteinn Þór Ólason	415	C++	2024-08-29 19:36:24
7	Ásþór Björnsson	417	C++	2019-03-10 18:35:19
8	Gísli Freyr Sæmundsson	426	C++	2018-02-10 19:24:52
9	Tùng Hoàng Lâm	483	C++	2024-11-27 16:24:23
10	Arnar Bjarni Arnarson	506	C++	2017-03-18 15:13:43

#	User	Length	Language	Date
1	Norbert Voelker	428	Go	2024-12-14 22:18:18
2	Hidden user	1381	Go	2021-10-22 18:56:46

#	User	Length	Language	Date
1	Fabian Mitterwallner	162	Haskell	2025-08-03 00:03:14
2	Steinar Simonnes	248	Haskell	2024-11-27 16:48:36
3	Brent Yorgey	5965	Haskell	2024-11-29 01:29:49

#	User	Length	Language	Date
1	Steinunn Maria Bergthorsdottir	524	Java	2025-02-09 16:02:06
2	Sölvi Gunnarsson	638	Java	2024-08-30 01:02:23
3	Jóhann Bjarni Þrastarsson	711	Java	2024-08-26 12:41:46
4	Aron Elí Ragnarsson Herreros	726	Java	2024-08-28 15:15:49
5	Stela Palii	742	Java	2024-12-11 03:48:50
6	Tómas Bent Magnússon	762	Java	2024-08-27 18:20:54
7	Erik Danielsson Schnell	782	Java	2024-08-26 14:21:15
8	Tinna María Þorleifsdóttir	785	Java	2024-08-30 00:46:37
9	Ben Cobb	899	Java	2025-04-10 03:15:55
10	Víðir D. Krogsgaard	908	Java	2024-08-26 16:21:54

#	User	Length	Language	Date
1	Róbert Kristian Freysson	489	JavaScript (Node.js)	2024-03-02 15:41:11

#	User	Length	Language	Date
1	Timothy Gaede	558	Julia	2025-03-25 14:44:07

#	User	Length	Language	Date
1	Adam Rankin	622	Kotlin	2026-01-13 00:00:01

#	User	Length	Language	Date
1	Óðinn Ágústsson	536	Lua	2025-02-05 17:49:53

#	User	Length	Language	Date
1	주안석	739	Pascal	2017-11-16 16:12:31

#	User	Length	Language	Date
1	Sigurður Jens Albertsson	223	Python 2	2018-01-12 17:21:22
2	Samúel Arnar Hafsteinsson	247	Python 2	2020-08-14 15:00:29
3	Kristmundur Agust	506	Python 2	2017-10-01 05:10:33
4	Guðni Natan Gunnarsson	522	Python 2	2017-03-21 09:12:34
5	주안석	524	Python 2	2017-11-14 00:48:07

#	User	Length	Language	Date
1	Jón Atli Guðmundsson	120	Python 3	2024-09-17 06:05:37
2	David Aldenbro	125	Python 3	2025-11-03 13:59:49
3	Yong Mao	133	Python 3	2025-02-13 19:43:05
4	Nicholas Russell Saerang	141	Python 3	2024-12-05 20:25:41
5	Farzam Abrishami	146	Python 3	2025-04-25 00:07:07
6	Teikn Smith	150	Python 3	2025-09-07 07:25:36
7	Harry Zhang	169	Python 3	2024-12-15 23:10:07
8	Rafael Kristoforus Yanto	170	Python 3	2025-02-21 04:50:50
9	Ahmed Chamseddine	172	Python 3	2025-01-21 14:59:50
10	Hidden user	179	Python 3	2024-12-03 20:35:07

#	User	Length	Language	Date
1	Thomas Feld	53	Ruby	2025-02-13 10:22:11

#	User	Length	Language	Date
1	Bas Dirks	423	Rust	2025-01-19 20:08:45
2	Tan Wang Leng	661	Rust	2025-03-23 14:08:12
3	Þórhallur Tryggvason	880	Rust	2023-07-08 16:33:31
4	Vincent Lagerros	2407	Rust	2025-01-30 18:55:35
5	Frank Endriss	8491	Rust	2025-02-20 09:28:15

Solution running time distribution