Problem A
Elementary Math — Problem Statistics

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Submissions	5357
Accepted submissions	1426
Submission ratio	26.62%
Authors	1159
Full solves [?]	889
Full solve Ratio	76.70%

#	User	Runtime	Language	Date
1	황종서/AI·소프트웨어학부(소프트웨어전공)	0.00 s	C	2025-12-02 15:35:45
2	Ivan Petrov	0.01 s	C	2019-09-25 10:25:05
3	Alexander Bilde Pedersen	0.02 s	C	2024-09-30 17:11:49
4	Jacob Gummesson Atroshi	0.18 s	C	2019-05-30 23:34:02

#	User	Runtime	Language	Date
1	Rayan Kamarinchev	0.06 s	C#	2023-09-10 14:49:54
2	Nicklas Koch Rasmussen	0.06 s	C#	2024-10-21 20:38:37
3	Nicklas Lundsteen Jensen	0.07 s	C#	2025-10-21 18:21:52
4	Nicolai Grymer	0.10 s	C#	2023-10-22 16:38:47
5	Lukas L. Hjelmstrand	0.11 s	C#	2024-10-17 14:53:10
6	Adrian Kari	0.15 s	C#	2024-10-22 18:10:47
7	Ezequiel Padillo Molina	0.25 s	C#	2024-10-22 19:24:44
8	Michael Daniel Fabiriucs	0.60 s	C#	2024-10-22 16:59:26
9	Tobias Skovbæk Brund	1.11 s	C#	2024-10-10 10:07:12
10	Adam James Negaard	1.69 s	C#	2022-10-16 18:36:18

#	User	Runtime	Language	Date
1	Andreas Severin Hauch Trøstrup	0.87 s	Crystal	2024-12-05 18:52:03

#	User	Runtime	Language	Date
1	Patrick Matthiesen	0.02 s	Go	2024-10-20 22:48:51
2	Line Dejgaard	0.95 s	Go	2023-10-05 19:14:30

#	User	Runtime	Language	Date
1	George Mărcuș	0.12 s	Java	2015-11-29 10:59:21
2	Игорь Коваленко	0.12 s	Java	2015-11-29 11:58:29
3	Andreas Wassum	0.13 s	Java	2017-05-02 15:40:08
4	Mehdi Maick	0.13 s	Java	2017-05-04 00:07:35
5	Samuel Klingström	0.13 s	Java	2017-08-15 21:07:21
6	Martijn Muijsers	0.14 s	Java	2016-11-08 01:11:54
7	Josenildo Silva	0.15 s	Java	2017-07-08 05:17:09
8	Fredrik Persson	0.16 s	Java	2016-04-26 01:45:12
9	Finn Lidbetter	0.16 s	Java	2017-08-27 13:56:08
10	Nander Voortman	0.17 s	Java	2016-01-15 15:42:55

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.92 s	JavaScript (SpiderMonkey)	2023-10-29 22:35:32

#	User	Runtime	Language	Date
1	Hidden user	0.34 s	Kotlin	2020-03-29 14:11:54
2	Phường Lên	0.37 s	Kotlin	2020-05-28 03:19:02
3	Benjamin Ye	0.80 s	Kotlin	2023-02-12 05:36:36

#	User	Runtime	Language	Date
1	Peter Hairatidis	0.02 s	Lua	2025-12-02 23:36:28

#	User	Runtime	Language	Date
1	Andreas Björklund	0.10 s	Python 2	2019-05-30 17:53:01
2	Knut Anders Stokke	0.11 s	Python 2	2017-04-17 01:05:09
3	Eric Ge	0.11 s	Python 2	2019-09-12 00:13:42
4	Rob Hochberg	0.22 s	Python 2	2019-11-05 16:47:14
5	Paco Martínez	0.23 s	Python 2	2019-10-15 23:39:33
6	Anton Lyxell	0.23 s	Python 2	2019-12-08 19:00:27
7	Ram Basnet	0.26 s	Python 2	2019-12-01 04:59:43
8	Oskar Larsson	0.28 s	Python 2	2019-05-30 14:30:41
9	Maj Stenmark	0.30 s	Python 2	2019-09-27 22:21:20
10	Sebastian Mateos Nicolajsen	0.68 s	Python 2	2020-10-07 17:25:45

#	User	Runtime	Language	Date
1	Eric Ge	0.03 s	Python 3	2019-09-12 00:16:20
2	Nikolaos Alexandros Tsalidis de Zabala	0.09 s	Python 3	2024-10-09 11:05:06
3	Hidden user	0.09 s	Python 3	2025-10-02 23:00:58
4	Abel Szemler	0.09 s	Python 3	2025-10-21 18:43:56
5	황종서/AI·소프트웨어학부(소프트웨어전공)	0.09 s	Python 3	2025-12-02 15:39:06
6	Ram Basnet	0.10 s	Python 3	2019-12-01 04:58:27
7	Alexis Serruys	0.10 s	Python 3	2025-10-02 15:03:00
8	Tómas Elí Stefánsson	0.10 s	Python 3	2025-10-21 18:41:40
9	Alexander Oliver	0.11 s	Python 3	2020-10-05 11:20:28
10	Joakim Goyle Dissing	0.11 s	Python 3	2024-10-10 15:35:44

#	User	Runtime	Language	Date
1	Andreas Severin Hauch Trøstrup	1.07 s	Ruby	2024-10-23 15:21:01

#	User	Runtime	Language	Date
1	Christofer Nolander	0.01 s	Rust	2019-02-09 14:14:02
2	Eric Pinter	0.01 s	Rust	2020-06-04 22:32:27
3	Jianghua Wang	0.20 s	Rust	2023-02-17 01:07:24
4	Justin Nguyen Vo	0.56 s	Rust	2023-02-13 08:26:28
5	Justin Chang	0.79 s	Rust	2023-02-14 02:03:35
6	Lasse Møldrup	1.59 s	Rust	2023-10-13 22:41:38
7	Marcus Sebastian Emil Holmgaard	2.01 s	Rust	2023-12-18 19:37:48

#	User	Length	Language	Date
1	Jacob Gummesson Atroshi	2821	C	2019-05-30 23:34:02
2	Ivan Petrov	3328	C	2019-09-25 10:25:05
3	황종서/AI·소프트웨어학부(소프트웨어전공)	4297	C	2025-12-02 15:35:45
4	Alexander Bilde Pedersen	16305	C	2024-09-30 17:09:19

#	User	Length	Language	Date
1	Nicklas Lundsteen Jensen	2444	C#	2025-10-21 18:21:52
2	Rayan Kamarinchev	3418	C#	2023-09-10 14:49:54
3	Adam James Negaard	4077	C#	2022-10-16 16:09:34
4	Lukas L. Hjelmstrand	4391	C#	2024-10-17 14:53:10
5	Adrian Kari	4636	C#	2024-10-22 18:10:47
6	Michael Daniel Fabiriucs	4801	C#	2024-10-22 16:59:26
7	Ezequiel Padillo Molina	6868	C#	2024-10-22 19:24:44
8	Nicolai Grymer	7312	C#	2023-10-22 16:38:47
9	Nicklas Koch Rasmussen	8703	C#	2024-10-21 20:38:37
10	Villum Sonne	8877	C#	2023-11-01 17:46:20

#	User	Length	Language	Date
1	jiqing	855	C++	2024-11-13 14:26:56
2	Hidden user	965	C++	2017-08-26 14:13:15
3	Johan Wind	986	C++	2015-11-30 12:18:02
4	Lim An Jun	1039	C++	2023-02-07 14:59:11
5	WuMin4	1059	C++	2024-11-13 13:37:03
6	Kiên Nguyễn Tiến Trung	1149	C++	2017-03-15 06:49:25
7	Estácio Pereira da Silva Neto	1154	C++	2016-05-25 16:44:46
8	David Zheng	1194	C++	2018-11-14 00:32:51
9	Birk Tjelmeland	1216	C++	2017-10-31 19:39:42
10	Dereje Abtew	1216	C++	2022-09-13 12:38:49

#	User	Length	Language	Date
1	Andreas Severin Hauch Trøstrup	3137	Crystal	2024-12-02 18:37:29

#	User	Length	Language	Date
1	Patrick Matthiesen	1468	Go	2024-10-23 10:36:01
2	Line Dejgaard	10052	Go	2023-10-05 19:14:30

#	User	Length	Language	Date
1	Doug Goodman	1217	Java	2017-10-19 17:48:05
2	Paolo Pellizzoni	1962	Java	2020-01-23 18:25:57
3	Mads Orfelt	2509	Java	2025-10-08 20:52:29
4	Hidden user	2658	Java	2016-09-06 05:44:37
5	Pauli Galsgaard Jensen	2665	Java	2025-10-22 07:24:46
6	Alice Ryhl	2697	Java	2019-08-20 20:04:44
7	Arnav Sastry	2715	Java	2017-03-03 19:20:08
8	Aditya Durvasula	2715	Java	2017-03-04 21:56:19
9	Micah Stairs	2721	Java	2016-12-29 17:34:07
10	Noah Goldsmid	2748	Java	2016-11-10 23:28:13

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	6582	JavaScript (SpiderMonkey)	2023-10-29 22:35:32

#	User	Length	Language	Date
1	Benjamin Ye	588	Kotlin	2023-02-18 02:30:25
2	Phường Lên	2798	Kotlin	2020-05-28 03:19:02
3	Hidden user	2860	Kotlin	2020-03-29 14:11:54

#	User	Length	Language	Date
1	Peter Hairatidis	3042	Lua	2025-12-02 23:36:28

#	User	Length	Language	Date
1	Andreas Björklund	1103	Python 2	2019-05-30 17:53:01
2	Eric Ge	1474	Python 2	2019-09-12 00:13:42
3	Oskar Larsson	1691	Python 2	2019-05-30 14:30:41
4	Knut Anders Stokke	1802	Python 2	2017-04-17 01:05:09
5	Måns Magnusson	2056	Python 2	2019-07-08 15:35:18
6	Maj Stenmark	2385	Python 2	2019-08-30 22:12:09
7	Ram Basnet	2508	Python 2	2019-12-01 04:59:43
8	Bjarni Jens Kristinsson	2961	Python 2	2019-05-17 00:05:48
9	Paco Martínez	3062	Python 2	2019-10-16 00:06:36
10	Øyvind Haarberg	3316	Python 2	2017-04-29 16:53:57

#	User	Length	Language	Date
1	Collin Simpson	780	Python 3	2025-08-03 22:54:24
2	ACMCSU	780	Python 3	2025-08-03 22:54:51
3	alexandre dewilde	865	Python 3	2023-11-27 15:00:48
4	Leong Song Zhu, Owen	1048	Python 3	2020-04-16 05:46:34
5	Alexander Oliver	1098	Python 3	2020-10-05 11:30:20
6	Hidden user	1166	Python 3	2025-10-20 19:55:20
7	Craciun Bogdan	1172	Python 3	2023-10-19 20:01:59
8	Ólafur Helgi Jónsson	1184	Python 3	2020-03-07 18:35:44
9	Gustav Valentin Yde	1202	Python 3	2021-05-08 18:11:31
10	Nicholas Russell Saerang	1217	Python 3	2023-07-02 04:32:16

#	User	Length	Language	Date
1	Andreas Severin Hauch Trøstrup	2818	Ruby	2024-10-23 15:14:56

#	User	Length	Language	Date
1	Jianghua Wang	2981	Rust	2023-02-17 00:45:34
2	Lasse Møldrup	3119	Rust	2023-10-13 22:41:38
3	Eric Pinter	3361	Rust	2020-06-04 22:32:27
4	Christofer Nolander	3653	Rust	2019-02-09 14:14:02
5	Justin Nguyen Vo	5220	Rust	2023-02-13 08:26:28
6	Marcus Sebastian Emil Holmgaard	5365	Rust	2023-12-18 19:37:48
7	Justin Chang	7348	Rust	2023-02-14 02:03:35

Solution running time distribution