Problem A
Restaurant Orders — Problem Statistics

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Submissions	16671
Accepted submissions	3676
Submission ratio	22.05%
Authors	2771
Full solves [?]	2152
Full solve Ratio	77.66%

#	User	Runtime	Language	Date
1	Kevin Wu	0.01 s	C	2020-03-02 07:52:31
2	Aisha Rigert	0.02 s	C	2016-10-08 20:13:50
3	Thibault Raffaillac	0.02 s	C	2016-12-12 18:49:18
4	Dan Anderson	0.02 s	C	2017-02-20 22:53:02
5	Tapani	0.02 s	C	2017-09-01 11:02:52
6	Rashik Habib	0.02 s	C	2017-10-26 20:53:48
7	Dominik Stolz	0.02 s	C	2019-10-25 04:11:19
8	Danial Motamedi Mehr	0.02 s	C	2020-01-24 22:48:46
9	Eyleifur Bjarkason	0.02 s	C	2020-11-10 20:34:13
10	pengin	0.02 s	C	2021-07-13 12:20:32

#	User	Runtime	Language	Date
1	Hidden user	0.07 s	C#	2026-02-04 14:40:31
2	Adrian Cuentas	0.07 s	C#	2026-03-09 01:13:22
3	Mathias Brännström	0.09 s	C#	2022-10-27 19:04:51
4	Marat Yuldashev	0.10 s	C#	2022-10-21 17:27:39
5	Asger Schou Jacobsen	0.10 s	C#	2022-10-28 13:07:06
6	Oscar Niles	0.10 s	C#	2022-10-28 15:45:51
7	Anssi Lahtinen	0.13 s	C#	2022-10-23 20:52:21
8	Apurav Khare	0.18 s	C#	2021-11-16 00:09:59
9	Mateo Fernandez-Tyson	0.40 s	C#	2025-04-03 21:33:54
10	Андрей Титов	0.46 s	C#	2016-02-02 18:39:33

#	User	Runtime	Language	Date
1	Luca Della Vedova	0.01 s	C++	2018-08-04 17:01:23
2	Davide Vecchi	0.01 s	C++	2022-02-18 20:17:29
3	Alexander Kravberg	0.01 s	C++	2023-02-03 23:57:01
4	Katyayani G. Raman	0.01 s	C++	2023-02-10 03:02:24
5	Joshua Lass	0.01 s	C++	2023-04-02 06:36:25
6	Joshua Lass	0.01 s	C++	2023-05-09 07:09:47
7	Matias Fabricio Maravi Anyosa	0.01 s	C++	2024-05-22 02:14:31
8	Zan Pkosos	0.01 s	C++	2024-05-22 21:39:37
9	Hidden user	0.01 s	C++	2024-10-07 06:10:16
10	Esteban Castillo	0.01 s	C++	2024-11-22 05:44:44

#	User	Runtime	Language	Date
1	Norbert Voelker	0.03 s	Go	2023-04-16 00:32:31
2	Zachary Shilton	0.09 s	Go	2020-12-29 05:01:03
3	Jonas Mittnacht	0.41 s	Go	2024-02-18 15:27:18

#	User	Runtime	Language	Date
1	Vegard Itland	0.37 s	Haskell	2017-10-28 19:54:03
2	Mikail Khan	0.61 s	Haskell	2022-02-28 10:06:07

#	User	Runtime	Language	Date
1	Bjørn Dons	0.10 s	Java	2018-12-10 18:41:47
2	Liam Keliher	0.10 s	Java	2024-08-08 17:53:35
3	Nick Wu	0.11 s	Java	2016-07-04 05:24:54
4	Wu Zhen Rong	0.12 s	Java	2018-06-27 04:40:11
5	Luu Nhat Phi	0.14 s	Java	2015-11-21 07:42:54
6	Måns Magnusson	0.14 s	Java	2016-10-26 23:34:06
7	Olav Røthe Bakken	0.15 s	Java	2017-10-24 11:27:22
8	Viraj Maddur	0.15 s	Java	2017-10-26 03:35:05
9	Crystal Sharpe	0.15 s	Java	2020-09-07 05:20:06
10	Andreas Köhler	0.15 s	Java	2026-02-06 21:52:14

#	User	Runtime	Language	Date
1	Ricardo	0.47 s	JavaScript (Node.js)	2020-10-30 11:15:41

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.08 s	JavaScript (SpiderMonkey)	2023-06-19 10:39:07

#	User	Runtime	Language	Date
1	Hidden user	0.50 s	Julia	2025-03-15 09:33:57

#	User	Runtime	Language	Date
1	Hidden user	0.32 s	Kotlin	2020-02-29 11:13:20
2	Benjamin Ye	0.36 s	Kotlin	2023-02-01 22:53:48
3	Min-Zheng Shieh	0.44 s	Kotlin	2021-05-07 10:34:27

#	User	Runtime	Language	Date
1	Marcel Goh	0.11 s	OCaml	2019-10-27 01:09:20

#	User	Runtime	Language	Date
1	Thore Husfeldt	0.05 s	Python 2	2019-10-02 09:37:16
2	Hidden user	0.06 s	Python 2	2018-03-04 03:22:10
3	Tristan Sparks	0.07 s	Python 2	2019-10-27 03:29:18
4	Bertrand Evertz	0.07 s	Python 2	2019-11-05 11:01:16
5	Ida Bredal Skjørten	0.08 s	Python 2	2016-11-02 01:20:23
6	Ian Karp	0.08 s	Python 2	2017-03-03 12:21:15
7	Thomas Feld	0.08 s	Python 2	2020-06-22 14:18:14
8	Andreas Björklund	0.10 s	Python 2	2019-05-19 09:55:26
9	Sivasankaran D	0.10 s	Python 2	2025-08-26 15:13:39
10	Victor Zheng	0.12 s	Python 2	2018-11-04 02:15:55

#	User	Runtime	Language	Date
1	Wouter Dijkstra	0.06 s	Python 3	2022-06-23 07:18:15
2	Hannah Camilla Andersen	0.06 s	Python 3	2024-09-18 10:13:45
3	Anvit Sinha	0.06 s	Python 3	2024-09-27 05:22:54
4	Muhammad Sohail	0.06 s	Python 3	2024-09-30 05:10:24
5	Hayden White	0.06 s	Python 3	2024-10-02 08:46:27
6	Waleed Chaudhry	0.06 s	Python 3	2024-10-02 20:13:27
7	Praval Kollipara	0.06 s	Python 3	2024-10-04 03:30:40
8	Christopher Gou	0.06 s	Python 3	2024-10-04 04:15:59
9	Elaine Huang	0.06 s	Python 3	2024-10-04 07:11:10
10	Charles Chen	0.06 s	Python 3	2024-10-04 08:02:26

#	User	Runtime	Language	Date
1	Ivy Wang	0.33 s	Ruby	2023-02-01 04:59:39
2	Yusuke Ichiki	0.47 s	Ruby	2022-05-13 07:45:43

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2025-05-18 21:42:59
2	Iwancof	0.01 s	Rust	2023-05-15 06:08:16
3	Ryosuke Takahashi	0.01 s	Rust	2023-05-16 15:50:54
4	Hidden user	0.02 s	Rust	2022-12-12 10:47:52
5	Adam Guangwei Yu	0.02 s	Rust	2023-02-06 00:16:55
6	Ryan Chau	0.02 s	Rust	2023-02-09 19:32:35
7	Jianghua Wang	0.02 s	Rust	2023-02-11 02:29:50
8	Hidden user	0.02 s	Rust	2023-12-07 20:29:14
9	Daniel Anker Hermansen	0.02 s	Rust	2024-10-11 13:07:25
10	Thomas Hügel	0.03 s	Rust	2021-01-01 17:43:39

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	Swift	2023-10-13 17:14:51

#	User	Runtime	Language	Date
1	Alexander Björkman	0.62 s	Zig	2023-12-08 07:18:15

#	User	Length	Language	Date
1	Thibault Raffaillac	878	C	2016-12-12 18:49:18
2	pengin	904	C	2021-07-13 12:20:32
3	Caeden Whitaker	1085	C	2022-01-02 04:38:31
4	Mirel Cosulschi	1098	C	2024-01-03 12:26:12
5	Adrien Coulier	1308	C	2016-09-27 15:36:51
6	LightFrantice	1316	C	2022-05-17 09:44:10
7	LightFrantice	1317	C	2023-07-13 09:08:36
8	Erik Luehrmann	1589	C	2022-04-18 23:08:34
9	Tapani	1597	C	2017-09-01 11:02:52
10	Dan Anderson	1665	C	2017-02-20 22:53:02

#	User	Length	Language	Date
1	Marat Yuldashev	1800	C#	2022-10-21 17:27:39
2	Adrian Cuentas	2147	C#	2026-03-09 01:13:22
3	Mateo Fernandez-Tyson	2427	C#	2025-04-03 21:33:54
4	Hidden user	2452	C#	2026-02-04 14:40:31
5	Duy Khánh	2873	C#	2016-07-18 06:58:07
6	Oscar Niles	3194	C#	2022-10-28 15:45:51
7	Hidden user	3209	C#	2022-10-28 13:26:20
8	Apurav Khare	3302	C#	2021-11-16 00:09:59
9	Mathias Brännström	5096	C#	2022-10-25 10:47:45
10	Андрей Титов	5641	C#	2016-02-02 18:39:33

#	User	Length	Language	Date
1	sakthivel 7	489	C++	2023-01-16 16:42:17
2	Noé Zech	548	C++	2022-10-08 12:18:39
3	Andrea Puddu	681	C++	2022-01-24 23:46:00
4	Roger Chen	690	C++	2022-08-19 20:40:45
5	Thiên Tài Zero	703	C++	2017-10-23 17:24:31
6	Herman Karlsson	708	C++	2015-12-25 16:01:06
7	Li Yao'an	712	C++	2017-02-10 08:38:54
8	Johan Wind	716	C++	2016-08-13 17:53:16
9	พุฒิเศรษฐ์ him him him	730	C++	2024-02-03 11:40:51
10	Syx Pek	733	C++	2016-01-29 14:30:56

#	User	Length	Language	Date
1	Jonas Mittnacht	1023	Go	2024-02-18 15:27:18
2	Norbert Voelker	1765	Go	2023-04-16 00:26:46
3	Zachary Shilton	2121	Go	2020-12-29 05:01:03

#	User	Length	Language	Date
1	Mikail Khan	1625	Haskell	2022-02-28 10:06:07
2	Vegard Itland	2949	Haskell	2017-10-28 19:54:03

#	User	Length	Language	Date
1	Stephen Royal	1019	Java	2015-08-24 16:19:32
2	Rozerin	1028	Java	2019-10-29 20:18:10
3	Arya Akkus	1064	Java	2019-10-29 20:50:32
4	Gabriela Llave	1133	Java	2015-09-09 22:25:43
5	Janice Effendi	1155	Java	2020-02-26 19:29:00
6	Blair Du	1205	Java	2018-02-25 20:07:32
7	Doug Goodman	1265	Java	2017-11-10 15:36:19
8	Hao Li	1351	Java	2019-10-28 22:52:57
9	Dara Shahriari	1410	Java	2019-10-22 22:18:10
10	Yihe Zhang	1438	Java	2020-02-28 18:12:53

#	User	Length	Language	Date
1	Ricardo	1281	JavaScript (Node.js)	2020-10-30 11:41:50

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1062	JavaScript (SpiderMonkey)	2023-06-19 10:37:56

#	User	Length	Language	Date
1	Hidden user	431	Julia	2025-03-15 10:44:01

#	User	Length	Language	Date
1	Benjamin Ye	1014	Kotlin	2023-02-01 22:53:48
2	Min-Zheng Shieh	1177	Kotlin	2021-05-07 10:34:27
3	Hidden user	1986	Kotlin	2020-02-29 11:13:20

#	User	Length	Language	Date
1	Marcel Goh	2462	OCaml	2019-10-27 01:09:20

#	User	Length	Language	Date
1	Thomas Feld	590	Python 2	2020-06-22 14:18:14
2	Andreas Björklund	621	Python 2	2019-05-19 09:55:26
3	Bertrand Evertz	738	Python 2	2019-11-05 11:01:16
4	Victor Zheng	823	Python 2	2018-11-04 02:15:55
5	Hidden user	944	Python 2	2018-03-04 03:22:10
6	Ida Bredal Skjørten	1253	Python 2	2016-11-02 01:20:23
7	Sivasankaran D	1268	Python 2	2025-08-26 15:13:39
8	Steven Hwang	1269	Python 2	2020-06-20 20:44:17
9	Tristan Sparks	1395	Python 2	2019-10-27 03:29:18
10	Thore Husfeldt	1476	Python 2	2019-10-02 09:37:16

#	User	Length	Language	Date
1	Nikolaj Munk Binder Jensen	282	Python 3	2025-02-15 21:07:42
2	Michael Goldwasser	312	Python 3	2024-09-19 05:59:40
3	Anshuman Dash	473	Python 3	2023-02-03 01:46:23
4	Harry Zhang	488	Python 3	2024-02-19 02:15:57
5	Oskar Haarklou Veileborg	490	Python 3	2020-04-28 17:27:52
6	Peter Stauder	523	Python 3	2023-05-29 20:35:19
7	Wouter Dijkstra	543	Python 3	2022-06-23 08:22:22
8	anton maninang	553	Python 3	2024-03-29 04:12:44
9	Muhammad Sohail	553	Python 3	2024-09-30 04:46:38
10	kwa	554	Python 3	2025-04-03 10:04:17

#	User	Length	Language	Date
1	Ivy Wang	700	Ruby	2023-02-01 04:59:39
2	Yusuke Ichiki	1724	Ruby	2022-05-13 07:45:43

#	User	Length	Language	Date
1	Adam Guangwei Yu	1675	Rust	2023-02-06 00:41:26
2	Hidden user	1770	Rust	2023-12-07 20:29:14
3	藤原潮人	1931	Rust	2023-05-16 15:08:17
4	Anton Lilja	2082	Rust	2021-02-14 23:17:42
5	Axel Kaliff	2167	Rust	2020-03-19 16:58:50
6	Jianghua Wang	2215	Rust	2023-02-11 02:29:50
7	trinity Pointard	2385	Rust	2019-10-16 09:40:37
8	Thomas Hügel	2385	Rust	2021-01-02 10:48:11
9	Hidden user	2403	Rust	2022-12-12 10:47:52
10	Rickard Mårtensson	2563	Rust	2019-11-29 09:59:55

#	User	Length	Language	Date
1	Hidden user	927	Swift	2023-10-13 17:14:51

#	User	Length	Language	Date
1	Alexander Björkman	3664	Zig	2023-12-08 07:18:15

Solution running time distribution