Problem I
Attendance — Problem Statistics

Back to problem description

Submissions	2559
Accepted submissions	1016
Submission ratio	39.70%
Authors	938
Full solves [?]	864
Full solve Ratio	92.11%

#	User	Runtime	Language	Date
1	Sebastian Banert	0.00 s	Ada	2024-10-19 18:58:29

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-11-18 08:53:10
2	D A K	0.01 s	Bash	2025-04-24 14:05:01

#	User	Runtime	Language	Date
1	Gregory Sinclair	0.04 s	C#	2023-11-14 19:41:39
2	Sano Gharzani	0.04 s	C#	2023-12-27 13:33:08
3	Esty Crow	0.04 s	C#	2024-01-20 17:46:24
4	Anthony Ye	0.04 s	C#	2024-01-21 19:26:20
5	traxex	0.04 s	C#	2024-05-26 13:51:41
6	Michael Damsgaard	0.04 s	C#	2024-12-23 14:52:11
7	Umar Rasyid	0.04 s	C#	2025-01-25 04:56:07
8	Erik Algesten	0.04 s	C#	2025-08-06 09:29:20

#	User	Runtime	Language	Date
1	Oisín Mac Fhearaí	0.00 s	Crystal	2024-08-24 18:58:49

#	User	Runtime	Language	Date
1	Amalie Baert	0.06 s	F#	2024-10-28 00:49:14

#	User	Runtime	Language	Date
1	Bjørn Dons	0.00 s	Go	2023-11-07 19:27:56
2	Norbert Voelker	0.00 s	Go	2023-11-09 11:27:14

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2023-11-04 19:57:35
2	Hidden user	0.00 s	Haskell	2023-11-05 22:39:56
3	Josip Smolcic	0.00 s	Haskell	2023-11-06 21:42:52
4	Charley Sheaffer	0.00 s	Haskell	2023-11-16 18:24:57
5	Ng Tek In	0.00 s	Haskell	2024-01-17 17:30:21
6	Steinar Simonnes	0.00 s	Haskell	2024-02-04 17:03:00
7	Rudy Matela	0.00 s	Haskell	2024-04-23 14:48:40
8	Sebastian Banert	0.00 s	Haskell	2024-09-26 14:00:47
9	Jan Hrček	0.00 s	Haskell	2024-12-16 13:42:59
10	Shinji Koshida	0.00 s	Haskell	2025-03-12 08:36:45

#	User	Runtime	Language	Date
1	Achim Ahlers	0.04 s	Java	2024-10-06 15:39:36
2	Sriniketh Vangaru	0.04 s	Java	2024-11-02 17:05:15
3	Jerry Chen	0.04 s	Java	2024-11-09 21:21:17
4	Stela Palii	0.04 s	Java	2024-12-02 02:23:06
5	Guangyi Zhou	0.04 s	Java	2025-02-03 10:01:06
6	Aruneem Bhowmick	0.04 s	Java	2025-07-20 04:10:55
7	Maxx_Qc	0.04 s	Java	2026-02-02 13:52:43
8	Bryan (Khoa)	0.04 s	Java	2026-02-02 14:11:24
9	Guillaume Gobeil-Bouchard	0.04 s	Java	2026-02-02 14:18:33
10	Xavier Sercia	0.04 s	Java	2026-02-02 14:24:04

#	User	Runtime	Language	Date
1	Jannik99	0.05 s	JavaScript (Node.js)	2023-11-21 15:01:30
2	Hidden user	0.05 s	JavaScript (Node.js)	2025-01-18 03:49:03

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2023-11-05 00:41:02
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-11-05 17:43:47
3	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-11-19 22:54:05
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-07-21 12:00:19
5	Siddharth Reddy	0.02 s	JavaScript (SpiderMonkey)	2025-01-29 16:15:50

#	User	Runtime	Language	Date
1	Timothy Gaede	0.46 s	Julia	2024-03-27 04:33:47

#	User	Runtime	Language	Date
1	Adam Rankin	0.18 s	Kotlin	2023-11-12 18:48:53
2	Martijn Muijsers	0.18 s	Kotlin	2024-05-31 18:06:31
3	Zaw Myat	0.21 s	Kotlin	2024-01-05 23:07:22

#	User	Runtime	Language	Date
1	Renate Fiala-Lundström	0.01 s	PHP	2023-11-14 23:30:26

#	User	Runtime	Language	Date
1	Johan Lyts	0.03 s	Python 2	2023-12-01 13:50:39
2	Ekta Mali	0.07 s	Python 2	2025-06-01 06:39:58

#	User	Runtime	Language	Date
1	Kadriye Yildiz	0.04 s	Python 3	2024-08-29 18:30:19
2	khalisa zahra	0.04 s	Python 3	2024-09-01 09:37:45
3	Trevor	0.04 s	Python 3	2024-09-02 22:57:52
4	Lumi Lysdal	0.04 s	Python 3	2024-09-04 20:05:00
5	Hidden user	0.04 s	Python 3	2024-09-08 18:36:07
6	João Manoel Feck	0.04 s	Python 3	2024-09-09 11:24:20
7	William James Eves	0.04 s	Python 3	2024-09-11 21:51:12
8	Hidden user	0.04 s	Python 3	2024-09-14 04:14:54
9	James Bryan Francisco	0.04 s	Python 3	2024-09-14 04:33:32
10	Rafael Sheen Acuna	0.04 s	Python 3	2024-09-14 10:38:12

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-11-07 12:50:28
2	Miorel Palii	0.07 s	Ruby	2024-11-25 00:39:14

#	User	Runtime	Language	Date
1	David Rasch	0.00 s	Rust	2023-11-15 09:04:58
2	Bas Dirks	0.00 s	Rust	2023-12-25 14:49:31
3	Frank Endriss	0.00 s	Rust	2024-06-02 14:15:48
4	Daniel Anker Hermansen	0.00 s	Rust	2024-08-12 10:38:53
5	Pankajkumar Patro	0.00 s	Rust	2024-09-16 14:58:30
6	Isak Jägberg	0.00 s	Rust	2024-10-23 11:00:55
7	Vincent Lagerros	0.00 s	Rust	2024-11-22 17:23:19
8	Egor Kulikov	0.00 s	Rust	2025-01-15 12:28:58
9	Gabriella Gloria	0.00 s	Rust	2025-04-22 06:34:25

#	User	Runtime	Language	Date
1	Krzys Hejno	0.00 s	Swift	2025-02-10 18:54:01

#	User	Length	Language	Date
1	Sebastian Banert	843	Ada	2024-10-19 18:58:29

#	User	Length	Language	Date
1	Danny Robinson	97	Bash	2023-11-18 08:53:10
2	D A K	665	Bash	2025-04-24 14:08:21

#	User	Length	Language	Date
1	Philipp Hergenhahn	322	C	2024-12-31 19:37:30
2	arda atci	457	C	2024-09-29 21:32:44
3	Mirel Cosulschi	489	C	2025-03-23 16:24:59
4	KANISHKA N	522	C	2025-04-11 16:23:29
5	KARTHIKAA K	532	C	2025-03-31 07:19:42
6	ROOPIKA S	551	C	2025-04-15 16:44:31
7	Mikael K Eriksson	591	C	2024-02-21 07:56:18
8	Hidden user	632	C	2025-03-28 06:21:24
9	Mohamed ali	633	C	2025-01-09 11:05:57
10	HARITHA S R	669	C	2025-03-30 13:05:12

#	User	Length	Language	Date
1	Gregory Sinclair	274	C#	2023-11-14 19:41:39
2	traxex	364	C#	2024-05-26 13:51:41
3	Michael Damsgaard	594	C#	2024-12-23 14:52:11
4	Esty Crow	598	C#	2024-01-20 17:46:24
5	Anthony Ye	644	C#	2024-01-21 19:26:20
6	Umar Rasyid	1127	C#	2025-01-25 04:56:07
7	Erik Algesten	1221	C#	2025-08-06 09:29:20
8	Sano Gharzani	1479	C#	2023-12-27 13:33:08

#	User	Length	Language	Date
1	Taylor Rodríguez	309	C++	2025-01-18 19:24:30
2	Jesús Pacheco Alonso	360	C++	2024-01-24 16:11:40
3	7sixPAUL	373	C++	2023-11-12 14:17:17
4	Dmytro Bilotserkovets	373	C++	2025-03-28 18:51:52
5	Grae Yeandle	390	C++	2023-11-16 14:46:53
6	Mic Rey	398	C++	2025-10-30 02:21:36
7	Rain Zimin Yang	399	C++	2024-02-10 19:48:56
8	Md. Tuser Sheikh	401	C++	2024-01-11 10:16:14
9	Andrew Lyem	411	C++	2024-03-17 18:38:39
10	Ernest Ng Zi Xuan	418	C++	2026-01-27 05:52:00

#	User	Length	Language	Date
1	Oisín Mac Fhearaí	160	Crystal	2024-08-24 18:58:49

#	User	Length	Language	Date
1	Amalie Baert	351	F#	2024-10-28 00:49:14

#	User	Length	Language	Date
1	Norbert Voelker	493	Go	2023-11-09 11:27:14
2	Bjørn Dons	825	Go	2023-11-07 19:27:56

#	User	Length	Language	Date
1	Rudy Matela	104	Haskell	2024-04-23 14:53:24
2	Jan Hrček	120	Haskell	2024-12-16 13:42:59
3	Sebastian Banert	197	Haskell	2024-09-26 14:00:47
4	Charley Sheaffer	282	Haskell	2023-11-16 18:24:57
5	Josip Smolcic	329	Haskell	2023-11-06 21:42:52
6	Steinar Simonnes	341	Haskell	2024-02-04 17:03:00
7	Brent Yorgey	344	Haskell	2023-11-04 19:57:35
8	Hidden user	345	Haskell	2023-11-05 22:39:56
9	Shinji Koshida	359	Haskell	2025-03-12 08:36:45
10	vagabundus	483	Haskell	2024-05-01 17:22:07

#	User	Length	Language	Date
1	Apple T	550	Java	2025-05-13 12:28:59
2	Sofia Parada-Lopez	551	Java	2026-03-21 20:45:46
3	Christian Allen	596	Java	2025-04-04 12:08:32
4	Hidden user	597	Java	2026-03-13 15:35:11
5	Alejandro M	599	Java	2025-03-20 00:43:05
6	Luciano Brozzi	605	Java	2026-03-21 15:23:52
7	Nicholas Melo	614	Java	2026-03-22 04:36:23
8	erty	629	Java	2026-03-21 22:27:35
9	Vishnu Shivakumar	638	Java	2026-03-22 20:45:47
10	Oliver Nava	640	Java	2026-03-22 01:26:12

#	User	Length	Language	Date
1	Hidden user	769	JavaScript (Node.js)	2025-01-18 03:49:03
2	Jannik99	1007	JavaScript (Node.js)	2023-11-21 15:01:30

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	140	JavaScript (SpiderMonkey)	2023-11-05 17:43:47
2	Bjørn Chr. Soltvedt	166	JavaScript (SpiderMonkey)	2023-11-05 00:47:00
3	Zach Tschetter	191	JavaScript (SpiderMonkey)	2023-11-19 22:54:05
4	Jimmy Gustafsson	203	JavaScript (SpiderMonkey)	2024-07-21 12:00:19
5	Siddharth Reddy	709	JavaScript (SpiderMonkey)	2025-01-29 16:15:50

#	User	Length	Language	Date
1	Timothy Gaede	978	Julia	2024-03-27 04:33:47

#	User	Length	Language	Date
1	Adam Rankin	549	Kotlin	2023-11-12 18:48:53
2	Zaw Myat	704	Kotlin	2024-01-05 23:07:22
3	Martijn Muijsers	838	Kotlin	2024-05-31 18:06:31

#	User	Length	Language	Date
1	Renate Fiala-Lundström	413	PHP	2023-11-14 23:30:26

#	User	Length	Language	Date
1	Johan Lyts	289	Python 2	2023-12-01 13:50:39
2	Ekta Mali	490	Python 2	2025-06-01 06:39:58

#	User	Length	Language	Date
1	Ahmed Chamseddine	132	Python 3	2024-07-22 09:14:38
2	Farzam Abrishami	160	Python 3	2025-09-27 14:19:09
3	Thibault Raffaillac	162	Python 3	2024-07-27 20:03:39
4	Rafael Kristoforus Yanto	164	Python 3	2025-02-23 12:47:32
5	Tai Tze Kin	168	Python 3	2024-05-05 11:44:58
6	Alexandre Douard	171	Python 3	2023-12-20 20:45:13
7	Caeden Whitaker	172	Python 3	2024-01-09 22:36:20
8	Nicholas Russell Saerang	173	Python 3	2023-11-10 10:36:34
9	Daniel Bogorad	176	Python 3	2025-08-20 15:40:22
10	Sacha De Mulder	182	Python 3	2024-11-24 20:54:52

#	User	Length	Language	Date
1	Thomas Feld	61	Ruby	2023-11-07 12:50:28
2	Miorel Palii	171	Ruby	2024-11-25 00:39:14

#	User	Length	Language	Date
1	Vincent Lagerros	346	Rust	2024-11-22 17:23:52
2	David Rasch	571	Rust	2023-11-15 09:04:58
3	Pankajkumar Patro	686	Rust	2024-09-16 14:58:30
4	Bas Dirks	796	Rust	2023-12-25 14:49:31
5	Isak Jägberg	947	Rust	2024-10-23 11:00:55
6	Frank Endriss	983	Rust	2024-06-02 14:15:48
7	Gabriella Gloria	1449	Rust	2025-04-22 06:34:25
8	Egor Kulikov	20414	Rust	2025-01-15 12:28:58
9	Daniel Anker Hermansen	27509	Rust	2024-08-12 10:38:53

#	User	Length	Language	Date
1	Krzys Hejno	817	Swift	2025-02-10 18:54:01

Solution running time distribution