Problem A
Welcome Sign — Problem Statistics

Back to problem description

Submissions	1573
Accepted submissions	640
Submission ratio	40.69%
Authors	636
Full solves [?]	570
Full solve Ratio	89.62%

#	User	Runtime	Language	Date
1	Joyce Ma	0.00 s	C	2024-11-16 21:06:23
2	Jake Marchese	0.00 s	C	2024-11-16 21:22:13
3	Sven Rönnbäck	0.00 s	C	2024-11-17 09:09:10

#	User	Runtime	Language	Date
1	Michael Damsgaard	0.05 s	C#	2024-11-21 10:53:49
2	Umar Rasyid	0.05 s	C#	2025-07-07 02:29:49

#	User	Runtime	Language	Date
1	Norbert Voelker	0.00 s	Go	2024-11-29 20:39:37

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2024-11-17 16:10:49
2	Brent Yorgey	0.00 s	Haskell	2024-11-17 20:30:57
3	Jan Hrček	0.00 s	Haskell	2024-12-15 10:10:55
4	Sebastian Banert	0.00 s	Haskell	2025-02-17 17:52:44

#	User	Runtime	Language	Date
1	Evan Tian	0.04 s	Java	2024-11-16 19:52:12
2	Matthew Sheldon	0.04 s	Java	2024-11-16 19:56:22
3	Julius Griebel	0.04 s	Java	2024-11-17 22:02:45
4	Paul Nguyen	0.04 s	Java	2024-11-20 03:34:12
5	Stela Palii	0.04 s	Java	2024-12-01 04:57:09
6	Ben Cobb	0.04 s	Java	2025-04-08 02:19:03
7	Darryl Liu	0.04 s	Java	2025-09-04 05:50:23
8	Aidan Spies	0.04 s	Java	2025-09-30 00:30:45
9	Cooper Terrill	0.05 s	Java	2024-11-16 19:48:48
10	Sriniketh Vangaru	0.05 s	Java	2024-11-16 19:50:31

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	JavaScript (Node.js)	2024-11-25 14:51:09

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2024-11-17 17:15:55
2	Evan Magill	0.02 s	JavaScript (SpiderMonkey)	2024-11-19 00:38:23
3	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2025-05-18 00:38:48

#	User	Runtime	Language	Date
1	Timothy Gaede	0.51 s	Julia	2025-03-21 07:57:03

#	User	Runtime	Language	Date
1	Danny Mittal	0.24 s	Kotlin	2024-11-16 19:40:05
2	Paul McBurney	0.24 s	Kotlin	2024-11-16 19:55:06

#	User	Runtime	Language	Date
1	Tyler Marks	0.04 s	Python 3	2024-11-16 19:33:51
2	Mark Wen	0.04 s	Python 3	2024-11-16 19:34:43
3	Zane Metz	0.04 s	Python 3	2024-11-16 19:37:01
4	Loc Nguyen	0.04 s	Python 3	2024-11-16 19:38:37
5	Aryan Magoon	0.04 s	Python 3	2024-11-16 19:39:02
6	Hung Le	0.04 s	Python 3	2024-11-16 19:39:12
7	Eric Zeng	0.04 s	Python 3	2024-11-16 19:39:16
8	Ian Zhang	0.04 s	Python 3	2024-11-16 19:39:16
9	Jeroen Op de Beek	0.04 s	Python 3	2024-11-16 19:39:46
10	Joey Pabalan	0.04 s	Python 3	2024-11-16 19:40:07

#	User	Runtime	Language	Date
1	Ian Barland	0.38 s	Racket	2025-07-12 17:34:54

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2025-01-29 10:30:54
2	Miorel Palii	0.07 s	Ruby	2024-11-24 02:45:48

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-11-18 01:20:28
2	Isak Jägberg	0.00 s	Rust	2024-11-18 13:27:02
3	Pankajkumar Patro	0.00 s	Rust	2024-11-21 16:31:39
4	Bas Dirks	0.00 s	Rust	2025-01-27 16:49:25
5	Frank Endriss	0.00 s	Rust	2025-03-07 17:57:48
6	Hidden user	0.00 s	Rust	2025-04-28 03:06:41
7	Hidden user	0.00 s	Rust	2025-07-14 22:09:38

#	User	Length	Language	Date
1	Jake Marchese	711	C	2024-11-16 21:22:13
2	Sven Rönnbäck	763	C	2024-11-17 09:09:10
3	Joyce Ma	818	C	2024-11-16 21:06:23

#	User	Length	Language	Date
1	Michael Damsgaard	1628	C#	2024-11-21 10:53:49
2	Umar Rasyid	1790	C#	2025-07-07 02:29:49

#	User	Length	Language	Date
1	Warren Bei	374	C++	2024-11-16 19:42:45
2	Jon Wang	394	C++	2024-11-16 19:41:25
3	Alina Rudzenis	438	C++	2024-11-18 18:58:40
4	Omar Muhammetkulyyev	454	C++	2025-05-25 20:54:10
5	Paul Wild	456	C++	2024-11-16 20:10:18
6	Rares Oprea	469	C++	2024-11-16 21:01:48
7	Suraj Mathashery	478	C++	2024-11-16 19:39:04
8	Devin Qu	483	C++	2024-11-16 19:33:37
9	Vlad Kurgankin	488	C++	2024-11-16 19:39:22
10	William Tsin	495	C++	2024-11-16 19:33:07

#	User	Length	Language	Date
1	Norbert Voelker	515	Go	2024-11-29 20:30:25

#	User	Length	Language	Date
1	Jan Hrček	235	Haskell	2024-12-15 10:10:55
2	Brent Yorgey	634	Haskell	2024-11-17 20:30:57
3	Sebastian Banert	727	Haskell	2025-02-17 17:52:44
4	Steinar Simonnes	877	Haskell	2024-11-17 16:10:49

#	User	Length	Language	Date
1	Hidden user	741	Java	2024-11-17 05:09:08
2	Adolfo Alvarez	765	Java	2024-11-16 20:00:08
3	John McAlinden	774	Java	2024-11-16 19:52:50
4	Steve Tate	786	Java	2024-11-16 19:39:41
5	Trương Thanh Hải	786	Java	2024-11-22 09:32:10
6	Markus Bao	821	Java	2024-11-17 22:06:45
7	Agniv Sarkar	838	Java	2024-11-18 04:13:51
8	Esmond Herry	877	Java	2024-11-16 21:22:51
9	Khoi Dang Hoang Anh	935	Java	2024-11-26 19:10:02
10	Hunter Mullen	965	Java	2025-03-19 20:38:55

#	User	Length	Language	Date
1	Hidden user	986	JavaScript (Node.js)	2024-11-25 14:51:09

#	User	Length	Language	Date
1	Jimmy Gustafsson	164	JavaScript (SpiderMonkey)	2025-05-18 00:38:48
2	Bjørn Chr. Soltvedt	273	JavaScript (SpiderMonkey)	2024-11-17 17:19:24
3	Evan Magill	419	JavaScript (SpiderMonkey)	2024-11-19 00:38:23

#	User	Length	Language	Date
1	Timothy Gaede	951	Julia	2025-03-21 07:57:03

#	User	Length	Language	Date
1	Danny Mittal	524	Kotlin	2024-11-16 19:40:05
2	Paul McBurney	987	Kotlin	2024-11-16 19:55:06

#	User	Length	Language	Date
1	Thibault Raffaillac	103	Python 3	2025-01-26 06:25:15
2	Michael Goldwasser	119	Python 3	2025-10-22 22:49:08
3	Nicholas Russell Saerang	139	Python 3	2024-12-04 10:36:07
4	Noah Webber	147	Python 3	2025-10-16 09:09:13
5	Ryan Farrell	152	Python 3	2024-12-18 00:12:41
6	Kelly Dance	165	Python 3	2025-05-25 21:57:52
7	Jeroen Op de Beek	171	Python 3	2024-11-16 19:39:46
8	Ahmed Chamseddine	174	Python 3	2024-11-17 22:39:41
9	Yong Mao	183	Python 3	2025-02-13 03:47:50
10	Teikn Smith	208	Python 3	2024-11-24 08:53:38

#	User	Length	Language	Date
1	Ian Barland	4649	Racket	2025-07-12 17:34:54

#	User	Length	Language	Date
1	Thomas Feld	83	Ruby	2025-01-29 12:05:31
2	Miorel Palii	272	Ruby	2024-11-24 02:45:48

#	User	Length	Language	Date
1	Vincent Lagerros	346	Rust	2024-11-18 01:21:04
2	Pankajkumar Patro	703	Rust	2024-11-21 16:36:08
3	Bas Dirks	862	Rust	2025-01-27 16:49:25
4	Isak Jägberg	1376	Rust	2024-11-18 13:27:02
5	Hidden user	1840	Rust	2025-04-28 03:06:41
6	Hidden user	6662	Rust	2025-07-14 22:09:38
7	Frank Endriss	10383	Rust	2025-03-07 17:57:48

Solution running time distribution