Problem A
Modulo Data Structures — Problem Statistics

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Submissions	2478
Accepted submissions	796
Submission ratio	32.12%
Authors	606
Full solves [?]	467
Full solve Ratio	77.06%

#	User	Runtime	Language	Date
1	qilip	0.32 s	C	2018-11-30 12:08:14
2	Josenildo Silva	0.32 s	C	2020-05-11 03:24:08
3	Florian ten Napel	0.32 s	C	2025-03-09 18:07:10
4	Ivan Petrov	0.35 s	C	2020-02-07 10:00:44
5	Philip Andersson	0.36 s	C	2019-03-02 21:10:38

#	User	Runtime	Language	Date
1	Scott MacIntosh	0.13 s	C++	2019-11-21 18:52:39
2	Christopher MacDonald	0.13 s	C++	2019-11-21 22:35:33
3	Frank Endriss	0.13 s	C++	2021-12-02 12:16:35
4	Henry Xia	0.14 s	C++	2020-06-17 03:13:07
5	Hidden user	0.16 s	C++	2019-09-30 01:32:45
6	Cyril Sharma	0.17 s	C++	2023-04-28 16:44:40
7	Nick Wu	0.17 s	C++	2023-06-12 06:56:10
8	איתי אוטולנגי	0.20 s	C++	2022-03-06 15:27:06
9	Duarte Nóbrega	0.23 s	C++	2020-03-13 00:59:39
10	Mehrab Hossain	0.24 s	C++	2021-04-12 16:03:17

#	User	Runtime	Language	Date
1	Liu Yuhang	1.06 s	Go	2025-01-03 15:10:37

#	User	Runtime	Language	Date
1	Khánh Nguyễn Tiến	0.34 s	Java	2018-09-19 14:21:01
2	Đức Phạm Hoài	0.36 s	Java	2018-09-17 14:25:09
3	Crystal Sharpe	0.36 s	Java	2021-06-19 22:48:03
4	Nguyễn Hùng Cường	0.38 s	Java	2018-09-17 06:12:52
5	Bjørn Dons	0.38 s	Java	2018-11-09 21:05:33
6	Nguyễn Mạnh Phúc	0.40 s	Java	2018-10-19 04:36:10
7	Hà Minh Ngọc	0.44 s	Java	2018-09-16 15:41:11
8	Sam Reinehr	0.65 s	Java	2018-09-23 05:07:51
9	Liam Keliher	0.80 s	Java	2019-09-24 01:38:05
10	An Lê Hữu	0.85 s	Java	2018-09-19 04:46:28

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.72 s	JavaScript (SpiderMonkey)	2023-11-12 13:15:00

#	User	Runtime	Language	Date
1	Johan Lyts	1.62 s	Python 2	2021-08-22 10:28:01

#	User	Runtime	Language	Date
1	Ole Vik Lysne	0.46 s	Python 3	2025-02-19 23:54:32
2	Harry Zhang	0.50 s	Python 3	2025-05-13 01:26:31
3	Oskar Haarklou Veileborg	0.51 s	Python 3	2021-02-18 21:34:37
4	Gustav Nilsson Gisleskog	0.71 s	Python 3	2025-01-22 18:28:37
5	Julius Thunström	0.73 s	Python 3	2025-01-22 18:43:06
6	Jonathan Cederlund	0.74 s	Python 3	2025-01-22 19:37:20
7	Joshua Smith	0.77 s	Python 3	2022-03-29 03:15:23
8	Xiaole Zeng	0.85 s	Python 3	2021-03-26 22:50:34
9	Njål Pedersen	0.90 s	Python 3	2025-02-21 12:30:46
10	Samuel Qi	1.08 s	Python 3	2025-06-12 09:47:00

#	User	Runtime	Language	Date
1	Ole Vik Lysne	0.15 s	Rust	2025-02-19 22:54:19
2	Vincent Lagerros	0.19 s	Rust	2024-08-04 03:45:34
3	Artur Khuziakhmetov	0.27 s	Rust	2025-02-18 08:40:34
4	Jakob Rødal Skaar	0.32 s	Rust	2025-02-19 12:52:41
5	Muhammad Rais Fathin Mudzakir	0.90 s	Rust	2021-06-22 18:30:52
6	Zhixing Zhang	1.05 s	Rust	2020-05-05 06:38:14
7	Atli Fannar Franklín	1.19 s	Rust	2022-01-17 15:54:31
8	David Llorens	1.51 s	Rust	2025-04-19 10:38:50

#	User	Length	Language	Date
1	Josenildo Silva	508	C	2020-05-11 03:24:08
2	qilip	794	C	2018-11-30 12:08:14
3	Florian ten Napel	804	C	2025-03-09 18:07:10
4	Ivan Petrov	977	C	2020-02-07 10:00:44
5	Philip Andersson	1153	C	2019-03-02 21:10:38

#	User	Length	Language	Date
1	Sidiq Tri Pratikto	448	C++	2018-09-16 19:49:02
2	Hoàng Việt Hưng	464	C++	2019-08-01 04:09:54
3	Johan Wind	468	C++	2018-10-14 16:53:29
4	Vũ Quý Đạt	476	C++	2019-07-31 17:36:11
5	Fernando Nathaniel Sutanto	499	C++	2019-02-21 15:34:17
6	Kai Hsien Boo	520	C++	2018-09-15 05:39:08
7	Chen Tong	527	C++	2018-09-15 05:18:54
8	Liyi Guo	529	C++	2018-09-15 15:34:02
9	Jaehyun Koo	534	C++	2018-09-15 04:50:38
10	gaoxam123	544	C++	2019-08-01 04:06:38

#	User	Length	Language	Date
1	Liu Yuhang	2986	Go	2025-01-03 15:10:37

#	User	Length	Language	Date
1	Andrew Eveld	796	Java	2020-11-04 20:33:13
2	Danny Mittal	1129	Java	2019-08-22 20:16:33
3	Steven Halim	1172	Java	2018-09-11 07:55:49
4	Crystal Sharpe	1184	Java	2021-06-19 22:45:25
5	Isaac Lee	1231	Java	2019-09-24 01:56:30
6	Sam Reinehr	1428	Java	2018-09-23 05:05:43
7	Joseph McKinsey	1514	Java	2019-02-11 20:19:21
8	Caleb Reath	1654	Java	2020-01-24 18:18:32
9	Hà Minh Ngọc	1877	Java	2018-09-16 15:35:38
10	Liam Keliher	1904	Java	2019-09-24 01:37:25

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	707	JavaScript (SpiderMonkey)	2023-11-12 13:15:00

#	User	Length	Language	Date
1	Johan Lyts	543	Python 2	2021-08-21 21:06:20

#	User	Length	Language	Date
1	Joar Eliasson	381	Python 3	2025-09-05 12:24:20
2	Yong Mao	403	Python 3	2025-02-21 04:10:38
3	Nicholas Russell Saerang	428	Python 3	2023-07-25 10:58:58
4	Oskar Haarklou Veileborg	455	Python 3	2021-02-18 21:31:19
5	Ole Vik Lysne	484	Python 3	2025-02-19 15:03:19
6	Julius Thunström	490	Python 3	2025-01-22 18:43:06
7	Jonathan Cederlund	512	Python 3	2025-01-22 19:37:20
8	Gustav Nilsson Gisleskog	531	Python 3	2025-01-22 18:28:37
9	Simon Reid	551	Python 3	2023-09-22 17:13:27
10	kt3 pkmn	553	Python 3	2022-03-11 08:00:59

#	User	Length	Language	Date
1	Artur Khuziakhmetov	990	Rust	2025-02-18 06:23:58
2	Jakob Rødal Skaar	1419	Rust	2025-02-19 12:51:58
3	David Llorens	1729	Rust	2025-04-19 10:38:50
4	Zhixing Zhang	2975	Rust	2020-05-05 06:32:05
5	Ole Vik Lysne	4315	Rust	2025-02-19 22:52:38
6	Muhammad Rais Fathin Mudzakir	4645	Rust	2021-06-22 18:30:02
7	Vincent Lagerros	10533	Rust	2024-08-04 03:42:32
8	Atli Fannar Franklín	22759	Rust	2022-01-17 15:54:31

Solution running time distribution