Problem A
Variable Arithmetic — Problem Statistics

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Submissions	2130
Accepted submissions	861
Submission ratio	40.42%
Authors	806
Accepted authors	728
Author ratio	90.32%

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2017-06-21 07:46:14
2	Sambit Palit	0.01 s	C	2020-10-09 22:11:20

#	User	Runtime	Language	Date
1	Faisal Rahman	0.03 s	C#	2017-11-27 05:05:10
2	Gustav Kalander	0.03 s	C#	2018-03-02 20:22:53
3	Apurv Parekh	0.03 s	C#	2019-02-22 18:39:37
4	Dan Wolff	0.04 s	C#	2018-10-11 00:16:19
5	Caspian Berggren	0.04 s	C#	2019-11-12 22:40:48
6	Nils Lenart	0.05 s	C#	2020-03-21 16:23:36
7	Alex Hann	0.05 s	C#	2023-09-07 05:13:08
8	Nicholas Sippley	0.07 s	C#	2019-07-11 01:06:52
9	Frian Tampake	0.09 s	C#	2023-06-12 10:14:06
10	Daniel Johansson	0.10 s	C#	2018-01-25 16:55:49

#	User	Runtime	Language	Date
1	Grae Yeandle	0.00 s	C++	2017-05-18 16:07:59
2	Brad	0.00 s	C++	2024-01-01 22:52:22
3	Ashikur Rahman	0.00 s	C++	2024-09-21 00:55:19
4	Collin Rapp	0.01 s	C++	2016-02-09 22:01:33
5	Qiannan Wu	0.01 s	C++	2016-02-09 22:27:44
6	Tomas Lagland	0.01 s	C++	2016-02-27 21:33:18
7	David Venhoek	0.01 s	C++	2016-03-22 10:09:26
8	Huang Chao	0.01 s	C++	2016-03-29 03:32:47
9	Lars Hummelgren	0.01 s	C++	2016-04-09 12:32:16
10	Sai Kiran Reddy	0.01 s	C++	2016-04-12 19:00:20

#	User	Runtime	Language	Date
1	Philippos Boon Alexaki	0.10 s	Common Lisp	2019-11-18 23:53:06
2	Gaelan McMillan	0.26 s	Common Lisp	2022-10-23 19:13:01

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.09 s	F#	2023-01-30 18:51:02

#	User	Runtime	Language	Date
1	Erik Rairden	0.02 s	Go	2021-01-23 11:27:19

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.01 s	Haskell	2024-05-11 19:22:38
2	Jan Hrček	0.02 s	Haskell	2021-04-03 13:41:36
3	Hidden user	0.04 s	Haskell	2023-01-12 20:36:55
4	Patrik Lilja	0.05 s	Haskell	2016-04-06 19:23:02
5	Johan Meier	0.05 s	Haskell	2017-01-01 22:38:11
6	Brent Yorgey	0.05 s	Haskell	2017-11-05 05:14:34
7	Patrick Bahr	0.05 s	Haskell	2018-11-21 21:15:17
8	Llaurence Git	0.05 s	Haskell	2019-04-21 09:21:37
9	Hidden user	0.05 s	Haskell	2021-07-18 12:50:18
10	Gard Askeland	0.06 s	Haskell	2019-11-21 19:28:04

#	User	Runtime	Language	Date
1	Simon Xue	0.14 s	Java	2016-04-11 08:03:18
2	Micah Stairs	0.14 s	Java	2017-01-11 04:05:55
3	Steven Cheng	0.14 s	Java	2017-11-19 00:03:59
4	Sven Rönnbäck	0.14 s	Java	2022-01-22 18:12:59
5	Hidden user	0.15 s	Java	2016-02-19 19:42:04
6	Ashu Yadav	0.15 s	Java	2018-06-29 16:16:21
7	Chua Yonzheng, Jerry	0.15 s	Java	2018-07-24 06:54:34
8	Rene Argento	0.15 s	Java	2021-05-31 01:32:32
9	Nick Wu	0.16 s	Java	2016-07-03 22:51:57
10	Yuen KaiYang	0.16 s	Java	2018-07-17 08:02:30

#	User	Runtime	Language	Date
1	Gabriel Lau	0.02 s	JavaScript (SpiderMonkey)	2016-03-26 03:53:35
2	Michael Laszlo	0.02 s	JavaScript (SpiderMonkey)	2016-10-26 20:06:36
3	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2017-10-26 09:26:14
4	Christian Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-03-28 14:34:37
5	Dylan Mcdougall	0.05 s	JavaScript (SpiderMonkey)	2019-11-26 23:46:16
6	Peter Kedemo	0.19 s	JavaScript (SpiderMonkey)	2016-04-11 21:58:57

#	User	Runtime	Language	Date
1	Timothy Gaede	0.53 s	Julia	2024-05-21 09:11:36
2	Danny Robinson	0.67 s	Julia	2023-10-27 21:34:07

#	User	Runtime	Language	Date
1	Johnny Baloney	0.30 s	Kotlin	2022-01-16 21:34:45
2	Hidden user	0.39 s	Kotlin	2017-11-28 17:13:16
3	Min-Zheng Shieh	0.39 s	Kotlin	2020-11-25 12:33:06
4	Hidden user	0.41 s	Kotlin	2019-11-14 23:28:40
5	Adam Rankin	0.48 s	Kotlin	2023-09-22 04:04:46

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.08 s	Pascal	2018-07-14 11:20:51

#	User	Runtime	Language	Date
1	Jonas Lindenskov Nielsen	0.02 s	PHP	2019-04-09 22:54:30
2	Tom Merzenich	0.06 s	PHP	2023-11-29 02:09:09

#	User	Runtime	Language	Date
1	Neal Zane	0.05 s	Python 2	2016-08-08 07:29:39
2	Christofer Ohlsson	0.05 s	Python 2	2017-01-28 14:46:13
3	Andre Pratama	0.05 s	Python 2	2017-08-06 10:13:59
4	Evgeniy Sharapov	0.05 s	Python 2	2017-08-27 06:48:46
5	Johann Ly	0.05 s	Python 2	2018-09-23 23:02:18
6	Jesper Öqvist	0.05 s	Python 2	2018-11-02 17:44:37
7	Sigurður Jens Albertsson	0.05 s	Python 2	2019-11-22 16:52:33
8	Hermon Mulat	0.06 s	Python 2	2017-01-19 01:31:52
9	Martin Wan	0.06 s	Python 2	2017-10-28 08:40:32
10	Vifill Sverrisson	0.06 s	Python 2	2018-03-20 17:50:28

#	User	Runtime	Language	Date
1	Christian Lindeström	0.03 s	Python 3	2016-08-29 01:37:16
2	Casper Freksen	0.03 s	Python 3	2016-10-04 23:43:06
3	Unnar Freyr Erlendsson	0.03 s	Python 3	2017-04-04 00:26:16
4	Bernhard Kartefla	0.03 s	Python 3	2017-04-18 23:51:51
5	Ram Basnet	0.03 s	Python 3	2017-05-09 21:06:53
6	Ciara Godwin	0.03 s	Python 3	2017-05-30 19:23:51
7	Nathan W	0.03 s	Python 3	2017-12-15 03:40:06
8	Reshab Chhabra	0.03 s	Python 3	2018-01-04 22:46:27
9	Wayne	0.03 s	Python 3	2018-01-27 13:15:13
10	Paul Tan	0.03 s	Python 3	2018-03-12 17:25:23

#	User	Runtime	Language	Date
1	Gerry Hall	0.05 s	Ruby	2016-03-18 03:37:26
2	Naoki Mizuno	0.06 s	Ruby	2016-04-11 03:08:53
3	Dylan Mcdougall	0.06 s	Ruby	2019-11-19 18:42:19
4	Patrick Elsen	0.08 s	Ruby	2019-04-26 16:21:06

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-05-25 15:20:57
2	Petter Rosander	0.01 s	Rust	2019-04-16 19:07:42
3	Z S	0.01 s	Rust	2021-08-09 04:15:44
4	Bas Dirks	0.01 s	Rust	2022-01-18 18:45:35
5	David Rasch	0.01 s	Rust	2022-10-17 23:13:14

#	User	Length	Language	Date
1	Hidden user	3753	C	2017-06-21 07:46:14
2	Sambit Palit	3925	C	2020-10-09 22:11:20

#	User	Length	Language	Date
1	Doug Goodman	1634	C#	2018-07-27 23:30:09
2	Nicholas Sippley	1877	C#	2019-07-11 01:06:52
3	Apurv Parekh	1943	C#	2019-02-22 18:39:37
4	Frian Tampake	2030	C#	2023-06-12 10:14:06
5	Caspian Berggren	2231	C#	2019-11-12 22:40:48
6	Alex Hann	2284	C#	2023-09-07 05:13:08
7	Faisal Rahman	2296	C#	2017-11-27 05:05:10
8	Gustav Kalander	2387	C#	2018-03-02 20:22:53
9	Dan Wolff	4431	C#	2018-10-11 00:16:19
10	Daniel Johansson	5297	C#	2018-01-25 16:55:49

#	User	Length	Language	Date
1	Hyunjun Lee	792	C++	2022-11-11 02:50:07
2	Yevhen Sviacheniy	849	C++	2023-04-26 08:12:57
3	Eimhin McDonald	855	C++	2018-03-27 19:35:11
4	Никита Кулик	875	C++	2023-05-04 17:17:56
5	Nguyen Van Anh Tuan	890	C++	2020-06-21 13:32:26
6	Markus Mathiasen	906	C++	2021-10-05 21:54:14
7	Andrii Dubinin	943	C++	2024-02-05 18:55:55
8	Aidan Smith	944	C++	2018-03-05 13:28:28
9	Illia Zakharov	966	C++	2023-04-26 16:12:56
10	Hidden user	983	C++	2018-05-09 16:46:47

#	User	Length	Language	Date
1	Gaelan McMillan	1220	Common Lisp	2022-10-23 19:13:01
2	Philippos Boon Alexaki	1720	Common Lisp	2019-11-18 23:53:06

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1799	F#	2023-01-30 18:51:02

#	User	Length	Language	Date
1	Erik Rairden	1650	Go	2021-01-23 11:07:48

#	User	Length	Language	Date
1	Hidden user	869	Haskell	2023-01-12 20:36:55
2	Brent Yorgey	996	Haskell	2017-11-05 05:14:34
3	Patrik Lilja	1175	Haskell	2016-04-06 19:23:02
4	Steinar Simonnes	1248	Haskell	2024-05-11 19:22:38
5	Jan Hrček	1353	Haskell	2021-04-03 13:41:36
6	Patrick Bahr	1368	Haskell	2018-11-21 21:15:17
7	Quinn Flavel	1562	Haskell	2021-03-20 02:23:00
8	Llaurence Git	1662	Haskell	2019-04-21 09:21:37
9	Johan Meier	1768	Haskell	2017-01-01 22:38:11
10	Erik von Brömssen	2121	Haskell	2021-06-25 19:48:53

#	User	Length	Language	Date
1	Armanda Dimas	976	Java	2019-03-30 15:43:06
2	Duncan Page	982	Java	2019-03-18 22:56:35
3	Austin Russell	1049	Java	2019-07-03 21:00:01
4	Doug Goodman	1082	Java	2018-06-10 18:36:32
5	Hayley Russell	1113	Java	2019-03-18 22:58:18
6	Tuan Le	1141	Java	2018-09-10 03:23:18
7	Aron Harder	1171	Java	2016-03-23 21:04:39
8	Matt Peter	1214	Java	2019-02-25 19:31:35
9	Maxim Vitkin	1246	Java	2016-09-28 03:54:35
10	Vairavan Ramanathan	1247	Java	2018-07-25 08:13:40

#	User	Length	Language	Date
1	Dylan Mcdougall	549	JavaScript (SpiderMonkey)	2019-11-26 23:46:16
2	Bjørn Chr. Soltvedt	595	JavaScript (SpiderMonkey)	2017-10-26 09:26:14
3	Peter Kedemo	628	JavaScript (SpiderMonkey)	2016-04-11 21:58:57
4	Michael Laszlo	759	JavaScript (SpiderMonkey)	2016-10-26 20:06:36
5	Christian Cederquist	776	JavaScript (SpiderMonkey)	2023-03-28 14:34:37
6	Gabriel Lau	1034	JavaScript (SpiderMonkey)	2016-03-26 03:53:35

#	User	Length	Language	Date
1	Danny Robinson	249	Julia	2023-10-27 21:34:07
2	Timothy Gaede	689	Julia	2024-05-21 09:11:36

#	User	Length	Language	Date
1	Hidden user	969	Kotlin	2017-11-28 17:13:16
2	Min-Zheng Shieh	982	Kotlin	2020-11-25 12:33:06
3	Johnny Baloney	1174	Kotlin	2022-01-16 21:30:35
4	Hidden user	1259	Kotlin	2019-11-14 23:28:40
5	Adam Rankin	1467	Kotlin	2023-09-22 04:04:46

#	User	Length	Language	Date
1	Ingemar Ragnemalm	3588	Pascal	2018-07-14 11:20:51

#	User	Length	Language	Date
1	Jonas Lindenskov Nielsen	1030	PHP	2019-04-09 22:54:30
2	Tom Merzenich	2575	PHP	2023-11-29 02:09:09

#	User	Length	Language	Date
1	Thomas Feld	300	Python 2	2019-10-01 16:55:21
2	Oskar Haarklou Veileborg	462	Python 2	2018-09-21 15:58:41
3	Dmitry Lyubshin	508	Python 2	2018-05-07 20:49:48
4	Haggai Liu	520	Python 2	2017-06-10 22:18:51
5	Neal Zane	530	Python 2	2016-08-08 07:29:39
6	Johann Ly	552	Python 2	2018-09-23 23:02:18
7	Jesper Öqvist	581	Python 2	2018-11-02 17:44:37
8	João Pedro Alvito	595	Python 2	2018-03-23 00:57:37
9	Hidden user	648	Python 2	2018-12-14 22:18:43
10	Martin Wan	670	Python 2	2017-10-28 08:40:32

#	User	Length	Language	Date
1	Benjamin Z White	256	Python 3	2023-05-26 20:54:38
2	Hidden user	329	Python 3	2024-02-09 01:33:52
3	Ahmed Chamseddine	355	Python 3	2025-01-01 10:01:53
4	Yohannes Melese	375	Python 3	2021-06-26 16:05:42
5	Carl Agrell	380	Python 3	2016-09-10 11:19:51
6	David Ludwig	381	Python 3	2017-11-18 01:04:13
7	Alexandre Douard	389	Python 3	2024-06-03 21:41:12
8	Brandon Young	391	Python 3	2023-09-15 02:04:42
9	Hidden user	398	Python 3	2019-10-04 19:40:36
10	Thibault Raffaillac	401	Python 3	2023-06-01 11:27:31

#	User	Length	Language	Date
1	Gerry Hall	599	Ruby	2016-03-18 03:37:26
2	Dylan Mcdougall	619	Ruby	2019-11-19 18:42:19
3	Naoki Mizuno	756	Ruby	2016-04-11 03:08:53
4	Patrick Elsen	1451	Ruby	2019-04-26 16:21:06

#	User	Length	Language	Date
1	David Rasch	1118	Rust	2022-10-17 23:13:14
2	Bas Dirks	1529	Rust	2022-01-18 18:45:35
3	Petter Rosander	2113	Rust	2019-04-16 19:07:42
4	Z S	2427	Rust	2021-08-09 04:15:44
5	Vincent Lagerros	51961	Rust	2025-05-25 15:20:57

Solution running time distribution