Problem A
Stop Counting! — Problem Statistics

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Submissions	3246
Accepted submissions	1006
Submission ratio	30.99%
Authors	986
Full solves [?]	709
Full solve Ratio	71.91%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.51 s	Bash	2024-04-16 16:39:35

#	User	Runtime	Language	Date
1	Eyleifur Bjarkason	0.04 s	C	2019-11-14 15:11:40
2	Bergur Snorrason	0.04 s	C	2022-04-07 09:50:57
3	Ivan Petrov	0.10 s	C	2019-10-07 10:23:56
4	Hidden user	0.11 s	C	2020-07-16 13:26:41
5	Mirel Cosulschi	0.13 s	C	2024-10-03 22:24:38

#	User	Runtime	Language	Date
1	Brandon Zhang	0.03 s	C++	2019-10-06 10:15:03
2	Eric Hu	0.03 s	C++	2021-10-26 02:15:08
3	Benjamin Qi	0.04 s	C++	2019-10-05 20:55:04
4	Kevin Chevalier	0.04 s	C++	2019-10-06 09:17:42
5	Zhengjie Min	0.05 s	C++	2025-09-13 21:58:10
6	白川翎羽	0.07 s	C++	2021-03-23 12:13:46
7	Nathan Q	0.10 s	C++	2019-10-05 20:29:20
8	Estelle Lee	0.10 s	C++	2019-10-05 20:31:20
9	Darryl Ho	0.10 s	C++	2019-10-05 20:37:31
10	高宇	0.10 s	C++	2019-10-05 20:56:33

#	User	Runtime	Language	Date
1	Nathan Lee	0.13 s	Go	2025-10-29 22:47:07
2	Jesper Bech Christensen	0.25 s	Go	2022-03-15 14:13:26
3	Norbert Voelker	0.31 s	Go	2021-01-26 20:37:01

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.64 s	Haskell	2025-05-19 08:18:35

#	User	Runtime	Language	Date
1	Shreyas Jamadagni	0.12 s	Java	2025-04-09 10:17:38
2	Emil Svensson	0.15 s	Java	2019-11-26 15:30:01
3	Sebastian Hjelm	0.15 s	Java	2019-11-27 18:44:18
4	Mattias Gustafsson	0.16 s	Java	2019-11-25 17:19:53
5	Robert Åkemalm	0.16 s	Java	2019-11-26 07:28:05
6	Fredrik Persson	0.16 s	Java	2019-11-27 17:16:32
7	Bjørn Dons	0.19 s	Java	2023-01-29 10:06:58
8	Sunghun Lee	0.23 s	Java	2021-02-07 18:16:06
9	Michael Wang	0.23 s	Java	2021-02-10 10:33:49
10	Sparsh Sanchorawala	0.24 s	Java	2023-01-28 21:55:03

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.23 s	JavaScript (SpiderMonkey)	2023-08-14 20:12:41
2	Bjørn Chr. Soltvedt	0.26 s	JavaScript (SpiderMonkey)	2023-08-29 04:36:44

#	User	Runtime	Language	Date
1	Jacob Huebner	0.42 s	Kotlin	2022-02-02 03:35:13
2	Adam Rankin	0.76 s	Kotlin	2023-09-25 05:54:54
3	Sebastian Hjelm	1.04 s	Kotlin	2019-11-25 17:44:42

#	User	Runtime	Language	Date
1	Caleb Austin	0.30 s	Lua	2024-10-18 23:57:55

#	User	Runtime	Language	Date
1	Måns Magnusson	0.22 s	Python 2	2019-10-27 11:01:16
2	Michael Wang	0.23 s	Python 2	2019-10-06 00:44:30
3	Andreas Björklund	0.23 s	Python 2	2019-10-06 15:36:33
4	Maj Stenmark	0.25 s	Python 2	2019-10-27 17:39:07
5	Björn Martinsson	0.31 s	Python 2	2019-10-05 22:28:32

#	User	Runtime	Language	Date
1	Hidden user	0.23 s	Python 3	2025-03-24 19:55:54
2	Hidden user	0.25 s	Python 3	2025-03-21 22:42:03
3	Keshav Dharshan	0.25 s	Python 3	2025-03-24 22:21:06
4	Hidden user	0.25 s	Python 3	2025-03-27 23:17:42
5	RandyWaterhouse	0.28 s	Python 3	2021-08-09 08:16:42
6	Miorel Palii	0.28 s	Python 3	2022-03-24 00:41:20
7	Hidden user	0.28 s	Python 3	2025-03-27 16:41:06
8	Hidden user	0.29 s	Python 3	2021-03-26 19:20:49
9	Laith Bohsali	0.29 s	Python 3	2025-03-22 03:06:34
10	Kiran Vengurlekar	0.29 s	Python 3	2025-03-24 22:10:46

#	User	Runtime	Language	Date
1	Thomas Feld	0.77 s	Ruby	2023-06-13 15:00:23

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.02 s	Rust	2025-06-03 17:08:39
2	Simon Hallefält	0.09 s	Rust	2023-09-02 16:04:49
3	Mckinley Xie	0.15 s	Rust	2025-03-21 21:50:30

#	User	Length	Language	Date
1	Chenzhang Hu	1534	Bash	2024-04-16 16:39:35

#	User	Length	Language	Date
1	Mirel Cosulschi	477	C	2024-10-03 22:24:38
2	Hidden user	801	C	2020-07-16 13:26:41
3	Ivan Petrov	945	C	2019-10-07 10:23:56
4	Bergur Snorrason	1703	C	2022-04-07 09:50:57
5	Eyleifur Bjarkason	5713	C	2019-11-14 15:12:17

#	User	Length	Language	Date
1	Yeoh Han Yi	316	C++	2025-04-15 14:01:17
2	Yiqin Qiu	341	C++	2019-10-08 23:24:04
3	Rain Zimin Yang	345	C++	2023-09-24 05:56:09
4	Paul Wild	346	C++	2023-10-02 21:07:48
5	Tim Dong	362	C++	2024-01-29 02:51:33
6	Victor Zhang	375	C++	2019-10-05 22:47:25
7	Yen-Hsiang Chang	386	C++	2019-10-05 21:24:24
8	Ulvi Aslanli	389	C++	2019-10-10 20:57:14
9	Robert Lee	393	C++	2024-04-15 01:23:08
10	Kyle Yip	402	C++	2019-10-13 00:29:57

#	User	Length	Language	Date
1	Nathan Lee	690	Go	2025-10-29 22:47:07
2	Jesper Bech Christensen	739	Go	2022-03-15 14:13:26
3	Norbert Voelker	812	Go	2021-01-26 20:37:01

#	User	Length	Language	Date
1	Steinar Simonnes	1021	Haskell	2025-05-19 08:22:13

#	User	Length	Language	Date
1	Ricky Woodruff	479	Java	2019-10-06 03:09:03
2	Sam Huynh	530	Java	2021-02-27 06:50:50
3	Andrii Hrytsenko	532	Java	2019-11-09 04:03:14
4	Crystal Sharpe	609	Java	2020-05-18 17:28:00
5	Noah Hunt-Isaak	620	Java	2019-10-25 03:51:52
6	Doug Goodman	639	Java	2019-10-14 18:36:49
7	Chronic Avidness	648	Java	2019-10-06 17:48:21
8	Emilie Hyslop	648	Java	2021-02-27 07:29:03
9	John Huddleston	687	Java	2024-05-03 01:08:08
10	John Huddleston	687	Java	2024-05-03 01:26:53

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	348	JavaScript (SpiderMonkey)	2023-08-14 20:12:41
2	Bjørn Chr. Soltvedt	361	JavaScript (SpiderMonkey)	2023-08-29 04:36:44

#	User	Length	Language	Date
1	Adam Rankin	543	Kotlin	2023-09-25 05:54:54
2	Sebastian Hjelm	651	Kotlin	2019-11-25 17:44:42
3	Jacob Huebner	1409	Kotlin	2022-02-02 03:35:13

#	User	Length	Language	Date
1	Caleb Austin	700	Lua	2024-10-18 23:57:55

#	User	Length	Language	Date
1	Andreas Björklund	260	Python 2	2019-10-06 15:36:33
2	Måns Magnusson	280	Python 2	2019-10-27 11:01:16
3	Björn Martinsson	344	Python 2	2019-10-05 22:28:32
4	Maj Stenmark	353	Python 2	2019-10-27 17:39:07
5	Michael Wang	1186	Python 2	2019-10-06 00:44:30

#	User	Length	Language	Date
1	Clement Oh	108	Python 3	2023-07-04 04:22:52
2	Lee Isaac	148	Python 3	2023-05-11 16:33:55
3	Thomas Vu	175	Python 3	2019-10-06 05:30:07
4	Keshav Dharshan	203	Python 3	2025-03-24 22:24:18
5	Kiran Vengurlekar	205	Python 3	2025-03-24 22:10:46
6	Yijia Yan	212	Python 3	2019-10-08 04:37:17
7	Jason Cannon	213	Python 3	2019-10-06 02:57:28
8	Yong Mao	223	Python 3	2022-10-28 23:40:57
9	Marcus Xu	227	Python 3	2023-03-03 08:46:33
10	Guan Yang Ze	235	Python 3	2021-04-26 21:23:02

#	User	Length	Language	Date
1	Thomas Feld	89	Ruby	2023-06-13 15:00:23

#	User	Length	Language	Date
1	Simon Hallefält	727	Rust	2023-09-02 16:04:49
2	Mckinley Xie	1551	Rust	2025-03-21 21:50:30
3	Vincent Lagerros	58428	Rust	2025-06-03 17:05:33

Solution running time distribution