Problem A
Sums — Problem Statistics

Back to problem description

Submissions	3604
Accepted submissions	1161
Submission ratio	32.21%
Authors	1070
Full solves [?]	861
Full solve Ratio	80.47%

#	User	Runtime	Language	Date
1	Raul Kooter	0.08 s	C#	2016-12-04 11:40:03
2	Khin Nyunt	0.15 s	C#	2017-01-30 15:57:22
3	Tomas Vainoris	0.67 s	C#	2023-09-30 19:13:09

#	User	Runtime	Language	Date
1	Norbert Voelker	0.02 s	Go	2022-07-29 21:50:05
2	Khin Nyunt	0.07 s	Go	2023-09-14 16:36:51
3	Mike Nguyen	0.08 s	Go	2023-09-06 23:12:25

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.06 s	Haskell	2025-02-06 12:16:41
2	Øyvind Almli	0.07 s	Haskell	2021-05-24 20:47:42
3	Hidden user	0.07 s	Haskell	2022-08-17 15:47:13
4	Ryan Chew	0.24 s	Haskell	2019-03-19 05:35:56
5	Brent Yorgey	0.44 s	Haskell	2018-12-22 20:51:55

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.08 s	Java	2025-05-06 18:12:14
2	William Fiset	0.09 s	Java	2017-02-20 02:00:00
3	Bjørn Dons	0.09 s	Java	2022-05-03 20:39:54
4	Micah Stairs	0.10 s	Java	2016-11-10 19:33:08
5	Lars Åström	0.10 s	Java	2017-07-10 22:09:18
6	José Vander Meulen	0.10 s	Java	2018-10-19 20:01:39
7	Charley Sheaffer	0.11 s	Java	2018-10-25 19:01:29
8	Liam Keliher	0.12 s	Java	2017-12-22 08:46:19
9	Issa Issack	0.13 s	Java	2025-01-19 04:19:58
10	Taras Romanyuk	0.14 s	Java	2024-09-10 22:47:09

#	User	Runtime	Language	Date
1	Khin Nyunt	0.70 s	JavaScript (Node.js)	2021-09-27 17:17:22

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2017-01-22 11:30:57
2	Christian Cederquist	0.10 s	JavaScript (SpiderMonkey)	2023-01-24 16:31:31

#	User	Runtime	Language	Date
1	Timothy Gaede	0.58 s	Julia	2025-04-02 20:53:09

#	User	Runtime	Language	Date
1	Jacob Huebner	0.17 s	Kotlin	2022-01-29 23:04:27
2	Adam Koprowski	0.36 s	Kotlin	2021-05-29 20:05:00

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.12 s	Prolog	2024-03-19 06:09:42

#	User	Runtime	Language	Date
1	Serghei Mihailov	0.10 s	Python 2	2018-10-22 00:25:15
2	Deepu Pillai	0.11 s	Python 2	2022-04-05 11:28:50
3	Hidden user	0.12 s	Python 2	2019-01-07 01:00:01
4	Agis Daniels	0.12 s	Python 2	2020-03-29 18:19:27
5	Rajni Maandi	0.12 s	Python 2	2023-05-04 23:11:24
6	Hidden user	0.13 s	Python 2	2017-04-16 18:15:30
7	Hermon Mulat	0.13 s	Python 2	2018-10-08 19:31:58
8	Andreas Björklund	0.14 s	Python 2	2020-04-01 15:45:13
9	Rugen Heidbuchel	0.16 s	Python 2	2017-09-01 18:32:37
10	Oskar Ottander	1.40 s	Python 2	2019-09-04 00:55:52

#	User	Runtime	Language	Date
1	Christian Lindeström	0.03 s	Python 3	2016-11-09 11:36:38
2	James Hamm	0.03 s	Python 3	2018-04-16 16:31:22
3	Michael Hoffmann	0.04 s	Python 3	2017-03-17 18:46:10
4	Noah Ó Donnaile	0.04 s	Python 3	2018-04-11 21:59:12
5	Ben Tan	0.04 s	Python 3	2019-03-23 11:41:20
6	Andrej Treven	0.04 s	Python 3	2019-05-03 15:07:58
7	Inggriany Dwitami	0.04 s	Python 3	2019-07-13 11:20:10
8	Devioun Foskett	0.04 s	Python 3	2019-11-04 23:02:17
9	Jón Steinn Elíasson	0.05 s	Python 3	2017-04-14 12:29:01
10	Hung Nguyen The	0.05 s	Python 3	2018-01-30 08:21:48

#	User	Runtime	Language	Date
1	Thomas Feld	0.08 s	Ruby	2023-08-09 12:32:47

#	User	Runtime	Language	Date
1	Muhammad Rais Fathin Mudzakir	0.01 s	Rust	2021-06-16 17:29:56
2	Hidden user	0.02 s	Rust	2021-10-31 12:33:56
3	Katherine Freudenhammer	0.02 s	Rust	2025-07-23 03:19:43
4	Christofer Nolander	0.03 s	Rust	2019-06-17 21:54:42
5	Isak Jägberg	0.03 s	Rust	2023-04-19 14:12:00
6	Arnav Sastry	0.06 s	Rust	2022-03-28 03:55:39

#	User	Length	Language	Date
1	Giang Trương Gia Lạc	582	C	2021-07-05 14:16:09
2	Baitong Wu	624	C	2020-10-27 02:31:41
3	Hidden user	624	C	2020-11-10 01:53:39
4	Huỳnh Kim Huệ	634	C	2024-12-13 07:14:51
5	Ngọc Hân Lưu	642	C	2024-12-13 02:30:47
6	Gia bảo Trần	644	C	2024-12-13 02:10:34
7	Việt Hòa Phạm	646	C	2024-12-13 01:53:36
8	Nguyen Thi Yen Nhi (K18 CT)	648	C	2025-04-29 10:21:43
9	Pham Thanh Thao (K17 CT)	668	C	2022-06-30 14:51:26
10	Doan Thanh Phuc (K17 CT)	668	C	2022-10-01 15:16:13

#	User	Length	Language	Date
1	Raul Kooter	1514	C#	2016-12-04 11:40:03
2	Khin Nyunt	2024	C#	2017-01-30 15:57:22
3	Tomas Vainoris	4205	C#	2023-09-30 19:13:09

#	User	Length	Language	Date
1	Nguyen Tran Huu Duc	415	C++	2022-02-04 14:53:49
2	Paolo Spritzer	427	C++	2021-11-26 01:03:18
3	Elias Lolck	427	C++	2024-02-12 20:08:44
4	a_b__c	428	C++	2021-02-24 18:29:07
5	Jeffrey Wei	462	C++	2024-05-20 00:35:21
6	Simone Moretti	472	C++	2021-11-26 14:23:53
7	Yeung Man Tsung	475	C++	2023-03-09 17:51:15
8	Marcus Handley	477	C++	2020-07-28 12:37:18
9	Ji Kim	477	C++	2020-08-01 06:18:25
10	Evan Michael Bailey	481	C++	2023-07-07 18:33:39

#	User	Length	Language	Date
1	Mike Nguyen	521	Go	2023-09-06 23:12:25
2	Khin Nyunt	1179	Go	2023-09-14 16:36:51
3	Norbert Voelker	2550	Go	2022-07-29 21:53:37

#	User	Length	Language	Date
1	Øyvind Almli	496	Haskell	2021-05-27 20:57:51
2	Hidden user	1041	Haskell	2022-08-17 15:47:13
3	Steinar Simonnes	1059	Haskell	2025-02-06 12:16:41
4	Ryan Chew	1099	Haskell	2019-03-19 05:35:56
5	Brent Yorgey	2981	Haskell	2018-12-22 20:51:55

#	User	Length	Language	Date
1	Slavko Bezjak	643	Java	2023-05-11 08:58:25
2	Matthew Zhang	722	Java	2017-02-20 01:01:10
3	Ekjot Multani	848	Java	2020-10-27 01:40:42
4	Frank Ruskey	866	Java	2016-11-13 09:52:09
5	Doug Goodman	875	Java	2017-09-29 01:43:31
6	Lars Åström	876	Java	2017-07-10 22:09:18
7	Minh Hieu Pham	894	Java	2023-11-05 15:31:16
8	Crystal Sharpe	910	Java	2020-04-24 18:04:32
9	Josenildo Silva	973	Java	2017-07-20 21:16:23
10	Lucas Wood	981	Java	2017-04-22 01:07:15

#	User	Length	Language	Date
1	Khin Nyunt	1229	JavaScript (Node.js)	2021-09-27 17:28:02

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	815	JavaScript (SpiderMonkey)	2017-01-22 11:30:57
2	Christian Cederquist	1305	JavaScript (SpiderMonkey)	2023-01-24 16:31:31

#	User	Length	Language	Date
1	Timothy Gaede	1423	Julia	2025-04-02 20:53:09

#	User	Length	Language	Date
1	Adam Koprowski	770	Kotlin	2021-05-29 20:05:00
2	Jacob Huebner	1607	Kotlin	2022-01-29 23:04:27

#	User	Length	Language	Date
1	Andriy Zyevakov	1565	Prolog	2024-03-19 06:09:42

#	User	Length	Language	Date
1	Hidden user	440	Python 2	2019-01-07 01:00:01
2	Andreas Björklund	442	Python 2	2020-04-01 15:45:13
3	Agis Daniels	463	Python 2	2020-03-29 18:19:27
4	Rugen Heidbuchel	467	Python 2	2017-09-01 18:32:37
5	Hermon Mulat	487	Python 2	2018-10-08 19:31:58
6	Rajni Maandi	570	Python 2	2023-05-04 23:11:24
7	Deepu Pillai	716	Python 2	2022-04-05 11:28:50
8	Serghei Mihailov	857	Python 2	2018-10-22 00:25:15
9	Hidden user	997	Python 2	2017-04-16 18:15:30
10	Oskar Ottander	1524	Python 2	2019-09-04 00:55:52

#	User	Length	Language	Date
1	Benjamin Z White	180	Python 3	2023-07-25 03:06:57
2	Alexandre Charland	183	Python 3	2025-06-23 01:32:07
3	Yong Mao	238	Python 3	2023-11-12 04:00:39
4	Tistou	243	Python 3	2023-02-07 14:23:18
5	Ahmed Chamseddine	297	Python 3	2025-07-14 20:52:25
6	Ryan Farrell	305	Python 3	2025-02-28 17:22:23
7	Lester Muñoz	316	Python 3	2018-12-11 05:02:34
8	Hidden user	319	Python 3	2022-12-01 14:12:48
9	Phạm Hoàng Minh	349	Python 3	2020-06-02 11:52:17
10	Christian Lindeström	357	Python 3	2016-11-09 11:29:46

#	User	Length	Language	Date
1	Thomas Feld	127	Ruby	2023-08-09 12:35:05

#	User	Length	Language	Date
1	Hidden user	1037	Rust	2021-10-31 12:33:56
2	Isak Jägberg	1244	Rust	2023-04-19 14:12:00
3	Katherine Freudenhammer	1379	Rust	2025-07-23 03:19:43
4	Christofer Nolander	2822	Rust	2019-06-17 22:00:47
5	Arnav Sastry	3704	Rust	2022-03-28 03:55:39
6	Muhammad Rais Fathin Mudzakir	9252	Rust	2021-06-16 17:17:40

Solution running time distribution