Problem I
Mega Inversions — Problem Statistics

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Submissions	5094
Accepted submissions	2163
Submission ratio	42.46%
Authors	1797
Full solves [?]	1587
Full solve Ratio	88.31%

#	User	Runtime	Language	Date
1	Thibault Raffaillac	0.01 s	C	2014-02-28 23:56:43
2	Bergur Snorrason	0.01 s	C	2019-07-05 19:39:14
3	Alexander Bilde Pedersen	0.01 s	C	2023-03-23 22:11:29
4	Marcus Larsson	0.02 s	C	2013-02-06 00:12:59
5	Lingwei Kong	0.02 s	C	2014-02-08 20:11:38
6	Lingwei Kong	0.02 s	C	2014-09-28 16:23:21
7	Muhammad Irham Rasyidi	0.02 s	C	2018-03-19 11:02:52
8	Jón Steinn Elíasson	0.02 s	C	2020-05-26 17:49:55
9	Albert Ye	0.02 s	C	2020-10-14 18:30:55
10	Edwar Vargas Herhuay	0.02 s	C	2021-12-24 04:40:31

#	User	Runtime	Language	Date
1	Simon Ståhlberg	0.05 s	C#	2014-01-29 13:58:50
2	Emiel Duys	0.10 s	C#	2018-03-24 15:38:37

#	User	Runtime	Language	Date
1	Kristoffer Hallqvist	0.01 s	C++	2014-02-04 15:21:21
2	Bjarki Ágúst Guðmundsson	0.01 s	C++	2014-02-06 23:34:41
3	Mahder Gebremedhin	0.01 s	C++	2014-02-08 20:48:17
4	Emanuel Gedin	0.01 s	C++	2014-07-02 18:07:33
5	Vipin Singh	0.01 s	C++	2015-05-15 13:21:35
6	Timon Knigge	0.01 s	C++	2015-08-23 12:34:58
7	Fredrik Hernqvist	0.01 s	C++	2015-10-29 13:02:59
8	Chuck Fernández	0.01 s	C++	2016-09-03 00:04:16
9	Florian Rödig	0.01 s	C++	2016-11-15 20:40:50
10	Ola Kaldestad	0.01 s	C++	2017-03-17 00:32:03

#	User	Runtime	Language	Date
1	Norbert Voelker	0.22 s	Go	2021-12-09 20:15:10

#	User	Runtime	Language	Date
1	Morten Lohne	0.02 s	Haskell	2017-03-21 02:26:10
2	Ryan Chew	0.02 s	Haskell	2019-01-23 06:07:14
3	Hidden user	0.02 s	Haskell	2022-02-24 09:07:18

#	User	Runtime	Language	Date
1	Frank	0.07 s	Java	2025-08-15 05:45:47
2	Hà Minh Ngọc	0.08 s	Java	2015-11-06 13:48:17
3	Nguyễn Mạnh Phúc	0.08 s	Java	2015-11-07 07:42:49
4	Alvin Lee	0.08 s	Java	2025-10-01 17:04:04
5	Hidden user	0.10 s	Java	2014-08-12 23:45:33
6	Crystal Sharpe	0.10 s	Java	2021-03-25 07:34:55
7	Bjørn Dons	0.11 s	Java	2018-10-20 01:16:03
8	Altu Khan	0.14 s	Java	2019-12-25 22:39:11
9	Hidden user	0.15 s	Java	2016-09-25 16:59:32
10	Kurtis Van Gent	0.16 s	Java	2016-04-07 20:52:20

#	User	Runtime	Language	Date
1	Ola Næss Kaldestad	0.04 s	JavaScript (SpiderMonkey)	2017-05-11 15:59:16
2	Ola Kaldestad	0.08 s	JavaScript (SpiderMonkey)	2017-03-17 19:46:28
3	Christian Pilegaard Cederquist	0.19 s	JavaScript (SpiderMonkey)	2023-06-07 08:11:40

#	User	Runtime	Language	Date
1	Allen Guan	0.39 s	Kotlin	2022-04-08 09:58:53
2	Phường Lên	0.40 s	Kotlin	2020-05-24 05:54:31
3	Benjamin Ye	0.44 s	Kotlin	2023-02-12 20:48:39
4	Danny Mittal	0.46 s	Kotlin	2025-10-13 23:22:05
5	Jacob Huebner	0.53 s	Kotlin	2020-03-11 21:55:56
6	Magnus Tønnessen	0.54 s	Kotlin	2024-08-02 16:10:29

#	User	Runtime	Language	Date
1	Michael Hoffmann	0.08 s	Python 2	2017-02-20 23:31:42
2	Don Nguyen	0.09 s	Python 2	2016-09-23 20:49:06
3	Asger Hautop Drewsen	0.09 s	Python 2	2018-01-31 23:24:04
4	Torstein Strømme	0.10 s	Python 2	2017-11-23 18:13:44
5	James Lawson	0.11 s	Python 2	2018-12-17 19:01:15
6	Frederik Højholt	0.12 s	Python 2	2016-09-23 11:21:41
7	Andreas Björklund	0.12 s	Python 2	2018-11-29 15:19:12
8	Knut Anders Stokke	0.14 s	Python 2	2017-03-19 15:11:49
9	Anton Lyxell	0.14 s	Python 2	2019-12-09 00:14:43
10	Maj Stenmark	0.16 s	Python 2	2018-05-12 21:32:26

#	User	Runtime	Language	Date
1	Pedro Vinícius de Araújo Barreto	0.09 s	Python 3	2024-10-08 22:12:58
2	Hidden user	0.10 s	Python 3	2021-11-23 20:08:02
3	Erlend H Dahl	0.10 s	Python 3	2022-03-11 11:59:18
4	Gergo Gyori	0.10 s	Python 3	2023-03-21 17:17:50
5	Andreas Kongstad	0.10 s	Python 3	2023-03-21 18:00:26
6	Raymond Christopher	0.10 s	Python 3	2024-01-07 07:51:13
7	Hidden user	0.10 s	Python 3	2024-02-29 15:23:18
8	Christopher Gou	0.10 s	Python 3	2025-02-27 21:47:31
9	bhavin	0.10 s	Python 3	2025-10-09 23:07:08
10	Krish Shah	0.10 s	Python 3	2025-10-10 03:35:58

#	User	Runtime	Language	Date
1	Frederik Petersen	0.28 s	Ruby	2025-03-21 12:42:07
2	Andreas Severin Hauch Trøstrup	0.41 s	Ruby	2023-04-29 19:53:16

#	User	Runtime	Language	Date
1	Adrian Borup	0.01 s	Rust	2023-03-21 18:17:11
2	Bas Dirks	0.01 s	Rust	2023-12-29 14:30:46
3	Vincent Lagerros	0.01 s	Rust	2024-09-01 00:28:14
4	Emil Hultcrantz	0.01 s	Rust	2025-02-04 09:40:50
5	Jonas Ulsnes Jørgensen	0.01 s	Rust	2025-03-24 20:21:14
6	Ming Kang	0.01 s	Rust	2025-06-06 08:28:04
7	Yoeri Otten	0.06 s	Rust	2022-02-22 01:45:31
8	Ole Vik Lysne	0.06 s	Rust	2024-03-06 00:01:33
9	Hidden user	0.09 s	Rust	2025-07-15 20:00:46

#	User	Runtime	Language	Date
1	Felix Stenberg	0.01 s	Zig	2025-02-04 14:33:30

#	User	Length	Language	Date
1	Albert Ye	752	C	2020-10-14 18:30:55
2	Matt	800	C	2022-04-01 18:20:33
3	Thibault Raffaillac	858	C	2014-02-28 23:47:24
4	Ivan Petrov	895	C	2019-07-17 15:12:17
5	Alexander Bilde Pedersen	962	C	2023-03-21 22:00:19
6	Krit Ponjanthuk	1010	C	2024-11-23 05:35:31
7	Jesper Öqvist	1163	C	2018-05-14 16:53:20
8	Marcus Larsson	1337	C	2013-02-06 00:12:59
9	Olav Røthe Bakken	1399	C	2017-03-19 19:25:55
10	Muhammad Irham Rasyidi	1460	C	2018-03-19 11:02:52

#	User	Length	Language	Date
1	Simon Ståhlberg	1700	C#	2014-01-29 13:58:50
2	Emiel Duys	2179	C#	2018-03-24 15:38:37

#	User	Length	Language	Date
1	Hoan Tin	481	C++	2025-08-02 03:44:14
2	Phan Hưng	493	C++	2025-08-02 03:56:11
3	Shashank Bhatt	527	C++	2022-12-29 01:20:15
4	Tuukka Korhonen	537	C++	2022-02-17 10:45:16
5	40_Suppakrit_Wanggripsukon	542	C++	2024-05-26 12:57:21
6	ปรีชากร ยาสมร	549	C++	2024-04-28 20:02:26
7	William Gan	551	C++	2018-02-05 08:00:36
8	Đk Nguyễn	572	C++	2019-10-17 14:17:51
9	Daniel de Matos	579	C++	2023-01-23 18:01:11
10	Vinh Alex	596	C++	2024-03-26 04:50:42

#	User	Length	Language	Date
1	Norbert Voelker	2698	Go	2022-02-21 22:17:36

#	User	Length	Language	Date
1	Ryan Chew	1207	Haskell	2019-01-22 11:10:30
2	Morten Lohne	1738	Haskell	2017-03-21 02:06:36
3	Hidden user	2906	Haskell	2022-02-24 08:04:39

#	User	Length	Language	Date
1	Crystal Sharpe	888	Java	2021-03-25 07:34:55
2	Mouhssine Assaoud	1001	Java	2017-10-22 07:44:24
3	Kurtis Van Gent	1111	Java	2016-04-07 20:52:20
4	V Daita	1148	Java	2021-12-03 04:01:00
5	Florian Rödig	1151	Java	2016-11-15 20:39:55
6	Brett Fazio	1206	Java	2019-01-05 19:52:52
7	Andy Phan	1245	Java	2019-01-05 19:26:01
8	Hamza Manzoor	1280	Java	2019-02-15 01:34:43
9	Ethan Li	1282	Java	2021-02-12 03:04:46
10	Bjarke Brodin	1334	Java	2021-02-17 14:58:02

#	User	Length	Language	Date
1	Ola Kaldestad	572	JavaScript (SpiderMonkey)	2017-03-17 20:05:08
2	Ola Næss Kaldestad	810	JavaScript (SpiderMonkey)	2017-05-11 15:59:16
3	Christian Pilegaard Cederquist	2007	JavaScript (SpiderMonkey)	2023-06-07 08:11:40

#	User	Length	Language	Date
1	Benjamin Ye	926	Kotlin	2023-02-12 20:48:39
2	Magnus Tønnessen	938	Kotlin	2024-08-02 16:10:29
3	Danny Mittal	985	Kotlin	2025-10-13 23:22:05
4	Jacob Huebner	1290	Kotlin	2020-03-11 21:55:56
5	Allen Guan	1539	Kotlin	2022-04-08 09:58:53
6	Phường Lên	3662	Kotlin	2020-05-24 05:54:31

#	User	Length	Language	Date
1	Michael Hoffmann	522	Python 2	2017-02-20 23:31:42
2	Asger Hautop Drewsen	564	Python 2	2018-01-31 23:24:04
3	Kevin Tang	649	Python 2	2019-10-22 23:35:34
4	Andreas Björklund	676	Python 2	2018-11-29 15:19:12
5	Don Nguyen	746	Python 2	2016-09-23 20:49:06
6	Frederik Højholt	794	Python 2	2016-09-23 11:21:41
7	Yupeng Gu	835	Python 2	2018-05-06 06:27:19
8	Enzio Kam Hai Hong	995	Python 2	2019-08-24 10:47:55
9	Knut Anders Stokke	1022	Python 2	2017-03-19 15:11:49
10	Anton Lyxell	1031	Python 2	2019-12-09 00:17:00

#	User	Length	Language	Date
1	成俊宏	293	Python 3	2023-04-20 18:57:35
2	Wilbert Chu	444	Python 3	2024-09-25 00:45:22
3	Krish Shah	449	Python 3	2025-10-10 03:35:58
4	Jonathan Dastrup	451	Python 3	2024-09-17 00:00:15
5	Christian Lebeda	480	Python 3	2021-02-10 22:14:49
6	Gergo Gyori	509	Python 3	2023-03-21 17:17:50
7	Michael Hoffmann	519	Python 3	2017-02-20 23:30:01
8	Jiwoong Kang	539	Python 3	2025-01-23 23:11:49
9	Iman Khodadi	550	Python 3	2022-10-02 09:30:15
10	Hidden user	604	Python 3	2020-04-10 17:24:30

#	User	Length	Language	Date
1	Andreas Severin Hauch Trøstrup	528	Ruby	2023-04-29 19:39:04
2	Frederik Petersen	1033	Ruby	2025-03-21 12:42:07

#	User	Length	Language	Date
1	Bas Dirks	1096	Rust	2023-12-29 14:30:46
2	Ole Vik Lysne	1607	Rust	2024-03-07 17:55:26
3	Jonas Ulsnes Jørgensen	1649	Rust	2025-03-24 20:21:14
4	Adrian Borup	1685	Rust	2023-03-21 20:11:15
5	Ming Kang	1689	Rust	2025-06-06 08:28:04
6	Emil Hultcrantz	2025	Rust	2025-02-04 09:40:50
7	Yoeri Otten	3865	Rust	2022-02-22 01:45:31
8	Hidden user	8601	Rust	2025-07-15 20:00:46
9	Vincent Lagerros	18453	Rust	2024-09-01 00:28:14

#	User	Length	Language	Date
1	Felix Stenberg	6468	Zig	2025-02-04 14:33:30

Solution running time distribution