Problem A
Digits — Problem Statistics

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Submissions	6466
Accepted submissions	1944
Submission ratio	30.06%
Authors	1750
Full solves [?]	1514
Full solve Ratio	86.51%

#	User	Runtime	Language	Date
1	Thomas Feld	0.02 s	Bash	2023-04-26 12:12:50
2	Chenzhang Hu	0.02 s	Bash	2023-09-27 16:37:04

#	User	Runtime	Language	Date
1	Bryan Heryanto	0.00 s	C	2019-09-30 15:06:28
2	Mikael K Eriksson	0.00 s	C	2022-02-01 22:05:02
3	Noor Mohammed Priom	0.00 s	C	2023-12-22 20:58:06
4	Eduardo Núñez	0.00 s	C	2024-03-01 21:57:56
5	Boris Vanhoof	0.00 s	C	2025-03-06 20:20:16
6	Bergur Snorrason	0.01 s	C	2019-09-28 12:28:16
7	Eyleifur Bjarkason	0.01 s	C	2019-10-14 23:52:16
8	Hidden user	0.01 s	C	2020-02-16 06:30:52
9	vance	0.01 s	C	2020-03-26 03:44:59
10	Sambit Palit	0.01 s	C	2020-12-07 18:46:29

#	User	Runtime	Language	Date
1	Viktor Wesström	0.06 s	C#	2019-09-28 14:18:55
2	samvid mistry	0.06 s	C#	2024-12-07 20:31:19
3	Valentk777	0.08 s	C#	2020-10-22 19:46:33
4	Dan Wolff	0.09 s	C#	2019-09-28 12:20:00
5	Chi Tran	0.09 s	C#	2020-12-08 11:22:16

#	User	Runtime	Language	Date
1	David Cawthon	0.13 s	Common Lisp	2020-09-13 02:26:02

#	User	Runtime	Language	Date
1	Morten Clausen	0.07 s	F#	2022-09-29 20:20:47
2	Jesper Bengtson	0.09 s	F#	2022-09-30 11:11:17

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	Go	2023-04-19 23:52:01
2	Norbert Voelker	0.10 s	Go	2021-12-18 20:12:01

#	User	Runtime	Language	Date
1	Brent Yorgey	0.01 s	Haskell	2019-09-28 20:15:20
2	Li Jun	0.01 s	Haskell	2023-06-21 10:01:41
3	Steinar Simonnes	0.01 s	Haskell	2025-06-13 09:13:39
4	Daniel Cabral	0.03 s	Haskell	2020-01-28 12:35:44
5	Leslie Yip	0.15 s	Haskell	2022-10-16 07:28:39
6	obshidian	0.16 s	Haskell	2020-03-30 21:26:18
7	crusoe	0.16 s	Haskell	2020-11-13 02:16:30
8	Ng Tek In	0.73 s	Haskell	2022-09-17 04:43:46
9	Hidden user	0.94 s	Haskell	2020-05-28 00:10:42

#	User	Runtime	Language	Date
1	Samuel Klingström	0.13 s	Java	2020-06-05 22:27:55
2	Serena Davis	0.16 s	Java	2025-10-28 00:16:29
3	Fadhil Peer Mohamed	0.16 s	Java	2025-11-26 11:51:16
4	Liam Keliher	0.17 s	Java	2020-06-24 12:46:01
5	Hidden user	0.17 s	Java	2021-12-03 09:40:13
6	CUX "INDIO" PRADA	0.17 s	Java	2024-10-01 09:55:30
7	Zach Foster	0.18 s	Java	2020-08-29 19:48:23
8	Theodoric Keith Lim	0.19 s	Java	2020-07-21 15:24:35
9	Hidden user	0.19 s	Java	2020-12-15 12:47:08
10	Frej Alexander Nielsen	0.19 s	Java	2021-04-17 11:45:01

#	User	Runtime	Language	Date
1	Brendan King	0.16 s	JavaScript (Node.js)	2024-02-02 21:58:27
2	TEJA KUSUMA	0.17 s	JavaScript (Node.js)	2024-03-07 14:08:26
3	Johan Nilsson	0.56 s	JavaScript (Node.js)	2019-09-29 12:27:35

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.04 s	JavaScript (SpiderMonkey)	2021-03-12 15:18:20
2	Zach Tschetter	0.07 s	JavaScript (SpiderMonkey)	2023-06-19 03:42:36

#	User	Runtime	Language	Date
1	Hidden user	0.38 s	Julia	2025-02-23 13:32:04
2	Timothy Gaede	0.54 s	Julia	2024-06-14 09:32:44

#	User	Runtime	Language	Date
1	Jacob Huebner	0.27 s	Kotlin	2020-04-19 05:27:42
2	Hidden user	0.29 s	Kotlin	2020-02-08 09:05:48
3	Adam Koprowski	0.34 s	Kotlin	2020-09-11 17:56:25
4	Terairk	0.34 s	Kotlin	2023-11-27 02:09:58
5	Phường Lên	0.37 s	Kotlin	2020-03-12 00:59:09
6	Ravisai Tiruvuri	0.47 s	Kotlin	2024-03-12 08:46:07
7	Adam Rankin	0.51 s	Kotlin	2023-08-31 20:53:30
8	Caden G	0.53 s	Kotlin	2019-12-05 22:50:26
9	Josie Bierbaum	0.54 s	Kotlin	2019-11-25 17:18:31
10	Amaan Marfatia	0.55 s	Kotlin	2022-02-12 01:00:01

#	User	Runtime	Language	Date
1	Shehab Ahmed Hatem	0.03 s	Lua	2023-11-14 17:59:22

#	User	Runtime	Language	Date
1	Yuanting Mao	0.03 s	OCaml	2023-08-01 22:43:52

#	User	Runtime	Language	Date
1	Hobert Ho	0.01 s	Pascal	2022-07-21 12:14:32

#	User	Runtime	Language	Date
1	Denis BAURAIN	0.02 s	Perl	2025-12-29 10:48:42

#	User	Runtime	Language	Date
1	陳建宏	0.04 s	PHP	2021-06-07 17:31:08

#	User	Runtime	Language	Date
1	Ram Basnet	0.04 s	Python 2	2019-11-12 07:39:24
2	Ocram Esah	0.04 s	Python 2	2022-04-12 21:04:35
3	Hermon Mulat	0.05 s	Python 2	2019-12-15 08:01:41
4	Andreas Björklund	0.06 s	Python 2	2019-09-28 11:07:05
5	Eric Ge	0.06 s	Python 2	2019-09-30 02:09:56
6	Jonatan Nilsson	0.07 s	Python 2	2019-09-28 11:04:53
7	Måns Magnusson	0.07 s	Python 2	2019-09-28 11:12:46
8	Maj Stenmark	0.07 s	Python 2	2019-09-28 17:03:40
9	Tim Daniel	0.07 s	Python 2	2021-02-18 22:33:30
10	Michel Wermelinger	0.08 s	Python 2	2019-12-10 19:17:32

#	User	Runtime	Language	Date
1	Joshua Coward	0.02 s	Python 3	2019-10-28 03:44:59
2	Luke Neruud Nav	0.03 s	Python 3	2019-09-28 23:34:01
3	Vincent Tandya	0.03 s	Python 3	2019-10-03 20:34:42
4	Max Holmberg	0.03 s	Python 3	2019-10-04 22:04:33
5	Klas af Geijerstam	0.03 s	Python 3	2019-10-04 22:26:52
6	Alex Lewin	0.03 s	Python 3	2019-10-24 01:27:53
7	Auburn Ford	0.03 s	Python 3	2019-10-24 04:11:08
8	Andrew McGehee	0.03 s	Python 3	2019-10-24 04:44:42
9	Connor Johnston	0.03 s	Python 3	2019-10-24 05:08:10
10	Scott MacIntosh	0.03 s	Python 3	2019-11-09 05:40:21

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-02-21 09:43:21
2	Russell Ng	0.55 s	Ruby	2025-05-23 14:01:47

#	User	Runtime	Language	Date
1	Gustaf Blomqvist	0.00 s	Rust	2019-09-28 15:07:50
2	Vincent Lagerros	0.00 s	Rust	2024-07-08 15:23:32
3	Eskil Queseth	0.01 s	Rust	2019-09-28 20:35:46
4	Hidden user	0.01 s	Rust	2019-12-08 23:05:52
5	Hidden user	0.01 s	Rust	2021-12-26 13:23:46
6	Gyanendra Shukla	0.01 s	Rust	2023-01-24 08:42:50
7	jaswanth	0.01 s	Rust	2024-02-09 17:44:11
8	Hidden user	0.01 s	Rust	2025-02-04 01:06:54
9	Hidden user	0.01 s	Rust	2025-12-30 18:27:44
10	David Rasch	0.02 s	Rust	2020-11-06 13:26:03

#	User	Length	Language	Date
1	Chenzhang Hu	38	Bash	2025-09-12 20:20:45
2	Thomas Feld	46	Bash	2023-04-26 12:12:50

#	User	Length	Language	Date
1	Eduardo Núñez	178	C	2024-03-01 22:05:35
2	a_b__c	210	C	2021-01-29 13:16:54
3	Hidden user	364	C	2024-09-15 18:58:32
4	Noor Mohammed Priom	392	C	2023-12-22 20:58:06
5	Bergur Snorrason	396	C	2019-09-28 18:57:10
6	Walter Arredondo	412	C	2025-01-09 09:17:33
7	Marina	467	C	2024-04-16 07:57:04
8	Hidden user	489	C	2020-02-16 06:30:52
9	Bryan Heryanto	580	C	2019-09-30 15:06:28
10	milind maiti	613	C	2022-09-06 05:45:14

#	User	Length	Language	Date
1	Viktor Wesström	550	C#	2019-10-01 22:23:41
2	Valentk777	590	C#	2020-10-22 19:46:33
3	Chi Tran	977	C#	2020-12-08 11:22:16
4	samvid mistry	1135	C#	2024-12-07 20:31:19
5	Dan Wolff	4494	C#	2019-09-28 12:20:00

#	User	Length	Language	Date
1	Hakan Kjellerstrand	172	C++	2025-02-26 07:28:35
2	Frans Meulenbroeks	202	C++	2024-10-22 21:40:32
3	Yeung Man Tsung	221	C++	2022-11-17 11:16:00
4	Garðar Ingvarsson	244	C++	2019-09-28 21:17:10
5	Víctor Pérez	246	C++	2025-04-24 03:17:32
6	Admasu Abera	255	C++	2019-11-14 15:28:13
7	Hidden user	262	C++	2022-08-18 18:06:47
8	Cristhian Yamith Cely Oliveros	271	C++	2024-03-20 15:52:51
9	Bennett Lim	274	C++	2020-04-08 17:01:00
10	Hyunjun Lee	277	C++	2022-10-12 08:03:29

#	User	Length	Language	Date
1	David Cawthon	449	Common Lisp	2020-09-13 02:26:02

#	User	Length	Language	Date
1	Morten Clausen	414	F#	2022-09-29 20:20:47
2	Jesper Bengtson	2175	F#	2022-09-30 11:11:17

#	User	Length	Language	Date
1	Hidden user	399	Go	2023-04-19 23:52:01
2	Norbert Voelker	772	Go	2021-12-18 20:12:01

#	User	Length	Language	Date
1	Li Jun	291	Haskell	2023-06-21 10:01:41
2	Leslie Yip	293	Haskell	2022-10-16 07:28:39
3	obshidian	353	Haskell	2020-03-30 21:26:18
4	crusoe	353	Haskell	2020-11-13 02:16:30
5	Daniel Cabral	361	Haskell	2020-01-28 11:47:21
6	Hidden user	471	Haskell	2020-05-28 00:10:42
7	Steinar Simonnes	542	Haskell	2025-06-13 09:06:27
8	Ng Tek In	663	Haskell	2022-09-17 04:43:46
9	Brent Yorgey	837	Haskell	2019-09-28 20:15:20

#	User	Length	Language	Date
1	Danniel Alcantara	294	Java	2024-01-11 06:10:28
2	SHADOWCOW MOOO	380	Java	2023-02-17 02:05:02
3	Noah Little	424	Java	2023-02-17 01:56:35
4	Malte Larsson	471	Java	2019-09-28 11:30:19
5	Åke Wettergren	471	Java	2019-09-28 16:11:08
6	Owen Palmer	481	Java	2019-09-28 12:41:14
7	Yinkai Gao	508	Java	2023-08-04 02:39:26
8	Ivor Page	511	Java	2020-09-09 10:35:30
9	Derrick Martin	514	Java	2020-08-29 19:47:02
10	Badr Eddine Bahoum	528	Java	2019-09-28 14:29:59

#	User	Length	Language	Date
1	Johan Nilsson	455	JavaScript (Node.js)	2019-09-29 12:27:35
2	Brendan King	517	JavaScript (Node.js)	2024-02-02 21:58:27
3	TEJA KUSUMA	616	JavaScript (Node.js)	2024-03-07 14:08:26

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	177	JavaScript (SpiderMonkey)	2021-03-12 15:16:34
2	Zach Tschetter	251	JavaScript (SpiderMonkey)	2023-06-19 03:42:36

#	User	Length	Language	Date
1	Hidden user	182	Julia	2025-02-23 13:32:04
2	Timothy Gaede	435	Julia	2024-06-14 09:32:44

#	User	Length	Language	Date
1	Amaan Marfatia	321	Kotlin	2022-02-12 01:00:01
2	Adam Rankin	379	Kotlin	2023-08-31 20:53:30
3	Josie Bierbaum	388	Kotlin	2019-11-25 17:18:31
4	Johnny Baloney	455	Kotlin	2021-09-09 23:13:06
5	Adam Koprowski	548	Kotlin	2020-09-11 17:56:25
6	Caden G	554	Kotlin	2019-12-05 22:50:26
7	Dayan Ruben Gonzalez	632	Kotlin	2020-10-08 06:46:41
8	Phường Lên	688	Kotlin	2020-03-12 00:59:09
9	Jacob Huebner	693	Kotlin	2020-04-19 05:27:42
10	Hidden user	1066	Kotlin	2020-02-08 09:05:48

#	User	Length	Language	Date
1	Shehab Ahmed Hatem	521	Lua	2023-11-14 17:59:22

#	User	Length	Language	Date
1	Yuanting Mao	297	OCaml	2023-08-01 22:43:52

#	User	Length	Language	Date
1	Hobert Ho	404	Pascal	2022-07-21 12:14:32

#	User	Length	Language	Date
1	Denis BAURAIN	246	Perl	2025-12-29 10:48:42

#	User	Length	Language	Date
1	陳建宏	1160	PHP	2021-06-07 17:31:08

#	User	Length	Language	Date
1	Guan Yang Ze	148	Python 2	2020-02-04 11:01:52
2	Andreas Björklund	156	Python 2	2019-09-28 11:07:05
3	Eric Ge	170	Python 2	2019-09-30 02:09:56
4	Jonatan Nilsson	243	Python 2	2019-09-28 11:04:53
5	Hermon Mulat	258	Python 2	2019-12-15 08:09:52
6	Lars Åström	263	Python 2	2019-09-30 08:10:36
7	Ocram Esah	296	Python 2	2022-04-12 21:04:35
8	Måns Magnusson	301	Python 2	2019-09-28 11:12:46
9	Maj Stenmark	301	Python 2	2019-09-28 17:03:40
10	Michel Wermelinger	325	Python 2	2019-12-10 19:17:32

#	User	Length	Language	Date
1	Henna K	63	Python 3	2024-03-28 19:22:25
2	Benjamin Z White	64	Python 3	2023-05-23 14:42:43
3	Clement Oh	72	Python 3	2023-08-20 06:07:09
4	Charles Ancheta	73	Python 3	2023-03-25 22:02:45
5	David Aldenbro	84	Python 3	2025-10-24 13:43:33
6	Lukas Kerren	103	Python 3	2024-05-07 00:30:25
7	Josh Taylor	104	Python 3	2023-07-03 20:11:15
8	Yu Ting Yeh	104	Python 3	2025-01-20 11:51:32
9	Jonathan Tan Jiayi	109	Python 3	2023-02-08 14:53:47
10	Evan Rose	113	Python 3	2023-05-20 04:04:11

#	User	Length	Language	Date
1	Russell Ng	48	Ruby	2025-05-23 14:01:47
2	Thomas Feld	52	Ruby	2023-02-21 09:58:14

#	User	Length	Language	Date
1	Gustaf Blomqvist	387	Rust	2019-09-28 15:47:54
2	Hidden user	495	Rust	2025-11-03 18:05:48
3	Grant Greer	576	Rust	2024-11-06 09:55:03
4	Bas Dirks	600	Rust	2022-03-03 10:46:46
5	Thobias Larsen	619	Rust	2023-01-31 22:17:12
6	David Rasch	623	Rust	2020-11-06 13:26:03
7	Eskil Queseth	643	Rust	2019-09-28 20:51:36
8	Laura Parkes	734	Rust	2022-11-30 20:23:03
9	jaswanth	776	Rust	2024-02-09 17:52:14
10	Isak Jägberg	797	Rust	2021-01-06 20:27:43

Solution running time distribution