Problem A
Working at the Restaurant — Problem Statistics

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Submissions	7754
Accepted submissions	1911
Submission ratio	24.65%
Authors	1711
Full solves [?]	1401
Full solve Ratio	81.88%

#	User	Runtime	Language	Date
1	Flep	0.00 s	C	2020-02-16 13:35:57
2	Hidden user	0.01 s	C	2016-05-09 04:15:35
3	Dave Poplawski	0.01 s	C	2016-10-02 22:26:51
4	Adrien Coulier	0.01 s	C	2016-11-16 23:37:34
5	John Smith	0.01 s	C	2019-03-17 11:29:41
6	Jiangfeng Du	0.01 s	C	2019-07-19 16:48:39
7	Raymond Yang	0.01 s	C	2020-01-08 23:05:25
8	Abhinav Dusi	0.01 s	C	2021-10-04 05:54:44
9	Alexander Bilde Pedersen	0.01 s	C	2023-02-03 02:58:33
10	Mirel Cosulschi	0.01 s	C	2025-01-02 16:42:39

#	User	Runtime	Language	Date
1	samvid mistry	0.15 s	C#	2024-12-29 10:36:20
2	Marek	0.16 s	C#	2016-11-02 20:32:02
3	Moo	0.16 s	C#	2017-07-22 13:28:56
4	Andrzej Krajniak	0.17 s	C#	2016-11-02 19:28:50

#	User	Runtime	Language	Date
1	Anders Westling	0.01 s	C++	2014-03-31 21:48:21
2	Patrik Lilja	0.01 s	C++	2015-06-29 23:01:15
3	Hidden user	0.01 s	C++	2015-09-11 07:17:25
4	Neal Zane	0.01 s	C++	2015-12-21 02:07:03
5	Syx Pek	0.01 s	C++	2016-01-29 14:43:36
6	Valeriu Motroi	0.01 s	C++	2016-04-26 10:29:22
7	Raveen de Silva	0.01 s	C++	2016-07-03 02:49:51
8	Ranit Debnath Akash	0.01 s	C++	2016-09-23 23:25:05
9	Wen Li Looi	0.01 s	C++	2016-10-20 03:25:21
10	Andree Kaba	0.01 s	C++	2016-11-12 01:20:58

#	User	Runtime	Language	Date
1	César Armada	0.10 s	Go	2019-12-18 00:17:28
2	maria	0.10 s	Go	2019-12-18 00:19:12
3	Nathan Lee	0.10 s	Go	2025-09-06 23:13:03

#	User	Runtime	Language	Date
1	Hidden user	0.17 s	Java	2017-01-29 13:01:40
2	Joachim Borup	0.17 s	Java	2023-02-07 00:18:34
3	Leon Wang	0.17 s	Java	2024-09-01 03:03:47
4	Jan Štola	0.19 s	Java	2015-06-10 10:59:58
5	Khánh Nguyễn Tiến	0.19 s	Java	2019-09-23 05:59:35
6	Eric Xiao	0.19 s	Java	2022-01-20 06:32:41
7	Basheer Samsam	0.20 s	Java	2020-01-23 13:22:56
8	Hidden user	0.20 s	Java	2021-10-06 23:23:10
9	Nguyễn Hùng Cường	0.21 s	Java	2019-09-23 05:25:53
10	Jack Fang	0.21 s	Java	2024-08-28 04:43:59

#	User	Runtime	Language	Date
1	Stephanie Keck	0.12 s	JavaScript (Node.js)	2020-02-16 00:58:27
2	Samuel Högfeldt	0.37 s	JavaScript (Node.js)	2022-07-09 14:03:15

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.06 s	JavaScript (SpiderMonkey)	2023-09-09 22:10:19
2	Bjørn Chr. Soltvedt	0.13 s	JavaScript (SpiderMonkey)	2023-02-21 23:52:45

#	User	Runtime	Language	Date
1	Hidden user	0.41 s	Kotlin	2020-02-15 13:02:24
2	Johnny Baloney	0.44 s	Kotlin	2022-01-10 12:57:40
3	Mikael Hedin	0.52 s	Kotlin	2017-11-19 13:53:01
4	Phường Lên	0.73 s	Kotlin	2020-02-18 02:28:39
5	Adam Koprowski	0.77 s	Kotlin	2020-08-24 10:55:10

#	User	Runtime	Language	Date
1	Diego Sebastian Pacheco Ferrel	0.03 s	PHP	2024-04-19 03:18:05

#	User	Runtime	Language	Date
1	Frederik Højholt	0.12 s	Python 2	2016-07-05 22:43:20
2	Andrew Bortnikov	0.13 s	Python 2	2017-01-29 23:01:56
3	Yan Kalchevsky	0.16 s	Python 2	2017-01-29 14:00:13
4	Yupeng Gu	0.20 s	Python 2	2018-05-02 11:16:37
5	Matt Bonsall	0.21 s	Python 2	2016-10-12 18:31:28
6	Ali Ibrahim	0.22 s	Python 2	2016-09-28 01:33:13
7	Jingyi Ni	0.22 s	Python 2	2017-10-12 00:43:33
8	Haggai Liu	0.24 s	Python 2	2017-04-19 10:08:58

#	User	Runtime	Language	Date
1	Petr	0.06 s	Python 3	2025-06-24 21:53:46
2	Avery	0.06 s	Python 3	2025-07-16 02:26:22
3	Jia Li	0.06 s	Python 3	2025-09-19 04:57:43
4	Russell	0.06 s	Python 3	2025-09-21 11:26:05
5	Torres Torres Mejía	0.07 s	Python 3	2024-09-18 00:45:15
6	Sami Melhem	0.07 s	Python 3	2025-01-23 20:05:48
7	Keshav Dharshan	0.07 s	Python 3	2025-01-24 18:44:41
8	Yasir Yilmazcoban	0.07 s	Python 3	2025-01-25 01:25:22
9	Hidden user	0.07 s	Python 3	2025-01-26 06:25:01
10	Yuting Xiao	0.07 s	Python 3	2025-04-25 16:14:11

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-05-17 15:22:55
2	Pahlevi Fikri Auliya	0.07 s	Rust	2020-10-29 23:49:19
3	Chaoyi Yin	0.08 s	Rust	2019-01-14 22:17:15
4	Mikail Khan	0.08 s	Rust	2022-01-22 04:27:01
5	Hidden user	0.08 s	Rust	2022-07-12 10:55:21
6	Hidden user	0.08 s	Rust	2024-06-30 23:28:07
7	Xiu-Heng Hua	0.08 s	Rust	2025-07-08 11:10:58
8	Lukas Dutrieux	0.08 s	Rust	2025-09-04 16:36:41
9	Omar Saber Talaat Abddelrahman	0.08 s	Rust	2025-09-28 01:48:47
10	Reis Faar	0.09 s	Rust	2023-06-02 23:53:10

#	User	Length	Language	Date
1	Raymond Yang	611	C	2020-01-08 23:05:25
2	Mirel Cosulschi	800	C	2025-01-02 16:42:39
3	노경덕	826	C	2025-03-12 02:53:02
4	김현수	835	C	2025-03-11 08:34:08
5	Adrien Coulier	858	C	2016-11-16 23:37:34
6	노창준	898	C	2025-03-12 07:28:58
7	황상현	964	C	2025-03-11 14:54:57
8	이민지	973	C	2025-03-12 07:36:45
9	John Smith	979	C	2019-03-17 11:29:41
10	Abhinav Dusi	989	C	2021-10-04 05:54:44

#	User	Length	Language	Date
1	samvid mistry	2066	C#	2024-12-29 10:36:20
2	Moo	3693	C#	2017-07-22 13:28:56
3	Marek	4099	C#	2016-11-02 20:32:02
4	Andrzej Krajniak	4561	C#	2016-11-02 19:28:50

#	User	Length	Language	Date
1	Utkarsh Agrawal	504	C++	2019-03-13 07:29:45
2	Syx Pek	515	C++	2016-01-29 14:43:36
3	Daner Mendoza	526	C++	2023-04-12 22:48:27
4	Chase Hinesman	562	C++	2019-01-25 23:55:09
5	Francesco Milizia	572	C++	2017-08-04 16:06:45
6	Jan Christian Blaise Cruz	575	C++	2018-12-18 22:30:19
7	Abhishek Singh	575	C++	2019-12-12 12:00:33
8	Geosef Viktor C. Uy	575	C++	2020-03-12 05:52:37
9	Leonardo Blanger	585	C++	2020-10-04 18:55:34
10	Fabio Giovanazzi	592	C++	2021-11-22 17:32:13

#	User	Length	Language	Date
1	César Armada	1064	Go	2019-12-18 00:17:28
2	maria	1212	Go	2019-12-18 00:19:12
3	Nathan Lee	1723	Go	2025-09-06 23:13:03

#	User	Length	Language	Date
1	Yeung Man Tsung	813	Java	2022-07-06 15:30:04
2	Quan Chau	845	Java	2017-08-11 15:03:16
3	April Chao	940	Java	2019-10-01 20:55:02
4	Benjamin Laurence Erickson	976	Java	2016-09-14 17:50:18
5	Yifan Sun	1122	Java	2021-01-23 03:32:22
6	Doug Goodman	1196	Java	2016-09-17 16:27:46
7	Ryan Chang	1197	Java	2021-10-07 06:43:32
8	Joachim Borup	1242	Java	2023-02-06 23:38:57
9	Michael Stephen Skalak	1256	Java	2017-05-08 17:01:10
10	Menno VanDiermen	1272	Java	2016-09-15 06:55:26

#	User	Length	Language	Date
1	Samuel Högfeldt	1756	JavaScript (Node.js)	2022-07-09 14:03:15
2	Stephanie Keck	11485	JavaScript (Node.js)	2020-02-16 00:58:27

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	797	JavaScript (SpiderMonkey)	2023-02-21 23:52:45
2	Christian Pilegaard Cederquist	801	JavaScript (SpiderMonkey)	2023-09-09 22:10:19

#	User	Length	Language	Date
1	Adam Koprowski	1178	Kotlin	2020-08-24 10:55:10
2	Phường Lên	1464	Kotlin	2020-02-18 02:28:39
3	Johnny Baloney	1521	Kotlin	2022-01-10 12:49:51
4	Hidden user	1773	Kotlin	2020-02-15 13:02:24
5	Mikael Hedin	2008	Kotlin	2017-11-19 13:53:01

#	User	Length	Language	Date
1	Diego Sebastian Pacheco Ferrel	945	PHP	2024-04-19 03:18:05

#	User	Length	Language	Date
1	Matt Bonsall	402	Python 2	2016-10-12 18:31:28
2	Haggai Liu	404	Python 2	2017-04-19 10:08:58
3	Yupeng Gu	743	Python 2	2018-05-02 11:16:37
4	Ali Ibrahim	911	Python 2	2016-09-28 01:33:13
5	Frederik Højholt	962	Python 2	2016-07-05 22:43:20
6	Yan Kalchevsky	1069	Python 2	2017-01-29 14:00:13
7	Jingyi Ni	1418	Python 2	2017-10-12 00:43:33
8	Andrew Bortnikov	1696	Python 2	2017-01-29 23:01:56

#	User	Length	Language	Date
1	Avery	224	Python 3	2025-07-16 02:20:41
2	Benjamin Z White	258	Python 3	2023-06-08 23:06:32
3	Kevin Yu	298	Python 3	2023-09-12 16:49:26
4	Hidden user	340	Python 3	2021-05-02 17:27:51
5	Nicholas Russell Saerang	438	Python 3	2023-09-13 10:57:00
6	Thibault Raffaillac	451	Python 3	2020-02-19 21:53:55
7	Clement Oh	534	Python 3	2024-01-01 15:33:30
8	Kristoffer Højelse	544	Python 3	2023-02-07 16:35:05
9	Alfred Olsson	552	Python 3	2019-07-29 10:37:25
10	Charles Chen	558	Python 3	2024-09-06 01:31:17

#	User	Length	Language	Date
1	Chaoyi Yin	1293	Rust	2019-01-14 22:17:15
2	Mikail Khan	1429	Rust	2022-01-22 04:28:25
3	Hidden user	1457	Rust	2024-06-30 23:32:09
4	Hidden user	1774	Rust	2022-07-12 10:55:21
5	Lukas Dutrieux	2040	Rust	2025-09-04 16:36:41
6	Xiu-Heng Hua	2057	Rust	2025-07-08 11:20:35
7	Reis Faar	2066	Rust	2023-06-02 23:53:10
8	Pahlevi Fikri Auliya	2640	Rust	2020-10-29 23:49:19
9	Omar Saber Talaat Abddelrahman	18766	Rust	2025-09-28 01:48:47
10	Vincent Lagerros	51310	Rust	2025-05-17 15:22:55

Solution running time distribution