Problem A
Synchronizing Lists — Problem Statistics

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Submissions	9162
Accepted submissions	5392
Submission ratio	58.85%
Authors	4812
Accepted authors	4547
Author ratio	94.49%

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2016-07-04 23:31:11
2	Bergur Snorrason	0.00 s	C	2018-03-31 21:02:54
3	Ehsan Shoja	0.00 s	C	2018-06-28 01:15:53
4	Gustav Nelson Schneider	0.01 s	C	2016-02-28 22:51:30
5	Daniel Worsnup	0.01 s	C	2016-04-23 05:09:38
6	Marius Macijauskas	0.01 s	C	2016-10-01 11:20:10
7	Sebastian Valencia	0.01 s	C	2016-11-08 01:37:06
8	Anton Haglund	0.01 s	C	2016-11-27 13:23:47
9	Michael Noronha	0.01 s	C	2017-03-31 23:03:44
10	Nasser Miah	0.01 s	C	2017-05-25 03:00:30

#	User	Runtime	Language	Date
1	Joe Amenta	0.02 s	C#	2016-04-09 20:24:26
2	Fredrik Stigsson	0.04 s	C#	2019-06-05 11:55:33
3	Abhishek Gupta	0.04 s	C#	2020-08-18 16:57:02
4	Владимир Хилько	0.04 s	C#	2022-06-03 12:45:00
5	Linda Hansson	0.05 s	C#	2015-10-13 16:26:52
6	Thomas Heder	0.05 s	C#	2015-10-18 13:34:33
7	Andriy Zyevakov	0.05 s	C#	2015-10-26 16:50:39
8	Robert Low	0.05 s	C#	2016-07-15 00:07:02
9	Karolis Breidokas	0.05 s	C#	2016-10-01 12:56:37
10	Rasmus Brants	0.05 s	C#	2017-05-09 09:23:51

#	User	Runtime	Language	Date
1	David Cawthon	0.05 s	Common Lisp	2020-06-21 05:27:29
2	wibi	0.05 s	Common Lisp	2020-09-02 09:33:45

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.08 s	F#	2022-07-11 10:36:19
2	Patrick Bahr	0.12 s	F#	2021-02-14 22:15:33
3	Simon Echers	0.65 s	F#	2022-01-14 19:20:59

#	User	Runtime	Language	Date
1	Kiki Ibrahim	0.02 s	Go	2024-08-10 13:18:43
2	Krzysztof Gibuła	0.04 s	Go	2019-03-16 11:45:12
3	Emil Lynegaard	0.04 s	Go	2019-03-19 16:12:46
4	Jimmy Nejtron	0.08 s	Go	2023-01-13 12:50:18
5	Norbert Voelker	0.11 s	Go	2021-04-11 20:13:36
6	Adam Smith	0.12 s	Go	2017-03-30 22:02:15
7	Chris Vilches	0.16 s	Go	2024-08-19 16:07:21
8	Andreas Gottschalk Krath	0.23 s	Go	2022-09-29 19:29:20
9	Mohamed Ramrami	0.24 s	Go	2020-05-07 20:29:20
10	Alejandro Germain	0.26 s	Go	2018-09-30 20:17:51

#	User	Runtime	Language	Date
1	Mansur Ziiatdinov	0.04 s	Haskell	2023-01-26 08:57:15
2	Greg Rosser	0.06 s	Haskell	2023-09-18 08:14:31
3	Hidden user	0.07 s	Haskell	2015-02-24 09:47:16
4	Blake Hyde	0.07 s	Haskell	2016-02-06 21:06:36
5	Birk Tjelmeland	0.07 s	Haskell	2017-10-25 17:58:31
6	Mattias Aronsson Adler	0.07 s	Haskell	2018-07-23 10:31:04
7	Fulano de Tal	0.07 s	Haskell	2020-05-29 12:44:08
8	Caleb Surovik	0.07 s	Haskell	2021-06-17 02:40:59
9	Md Akif Chowdhury	0.07 s	Haskell	2023-06-19 03:37:54
10	Sebastian Banert	0.07 s	Haskell	2023-09-19 17:47:13

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.06 s	Java	2025-01-29 05:37:38
2	Niu Xinyuan	0.08 s	Java	2018-07-06 14:05:30
3	Jiang Qin Hua	0.08 s	Java	2018-07-11 18:00:44
4	Lee Heng Sheng	0.08 s	Java	2024-04-18 16:04:01
5	William Brigham	0.09 s	Java	2017-04-27 19:35:59
6	Ren Xingyu	0.09 s	Java	2018-07-09 11:58:14
7	Yibo Huang	0.09 s	Java	2020-10-03 19:15:28
8	Jan Štola	0.10 s	Java	2015-06-08 21:24:58
9	Hidden user	0.10 s	Java	2018-07-11 17:49:02
10	Aymane Lotfi	0.10 s	Java	2018-07-25 22:24:51

#	User	Runtime	Language	Date
1	Hidden user	0.10 s	JavaScript (Node.js)	2025-03-27 12:39:58
2	Carl Sundvall	0.14 s	JavaScript (Node.js)	2018-11-13 09:14:39
3	Hidden user	0.18 s	JavaScript (Node.js)	2024-09-09 22:32:11
4	George Kamtziridis	0.27 s	JavaScript (Node.js)	2023-03-03 11:17:13
5	Khin Nyunt	0.48 s	JavaScript (Node.js)	2021-12-08 16:24:30
6	Antoine Bauri	0.49 s	JavaScript (Node.js)	2021-02-22 17:58:13
7	Karim Dridi	0.49 s	JavaScript (Node.js)	2022-04-14 11:41:13
8	John	0.51 s	JavaScript (Node.js)	2020-07-27 04:49:46
9	Andoko Chandra	0.55 s	JavaScript (Node.js)	2020-10-02 16:29:37
10	Chris Wong	0.63 s	JavaScript (Node.js)	2021-02-02 14:43:26

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.04 s	JavaScript (SpiderMonkey)	2016-01-15 04:09:05
2	Robin Livesey	0.04 s	JavaScript (SpiderMonkey)	2018-05-05 11:48:19
3	Michael Laszlo	0.05 s	JavaScript (SpiderMonkey)	2016-09-28 18:41:37
4	Peter Menyes	0.05 s	JavaScript (SpiderMonkey)	2017-08-26 12:50:09
5	Christian Cederquist	0.06 s	JavaScript (SpiderMonkey)	2022-11-13 01:09:27
6	Drake Farrokhi	0.06 s	JavaScript (SpiderMonkey)	2023-11-25 06:18:43
7	Evan Magill	0.06 s	JavaScript (SpiderMonkey)	2024-04-19 01:54:12
8	Nicklas Utgaard	0.07 s	JavaScript (SpiderMonkey)	2017-12-31 16:39:40
9	Jimmy Gustafsson	0.07 s	JavaScript (SpiderMonkey)	2024-06-11 23:17:57
10	Casey Smith	0.08 s	JavaScript (SpiderMonkey)	2019-05-28 22:18:47

#	User	Runtime	Language	Date
1	Danny Robinson	0.87 s	Julia	2023-09-05 23:38:14
2	Timothy Gaede	0.88 s	Julia	2024-03-22 05:32:08

#	User	Runtime	Language	Date
1	Jacob Stringer	0.31 s	Kotlin	2018-05-15 05:23:02
2	Dmitry Shostak	0.35 s	Kotlin	2018-08-23 09:20:20
3	Albert Pala	0.35 s	Kotlin	2021-06-28 04:11:45
4	Adam Rankin	0.35 s	Kotlin	2023-08-29 03:05:14
5	Hidden user	0.36 s	Kotlin	2017-11-20 01:09:14
6	Jahid Hasan Imon	0.38 s	Kotlin	2020-05-12 13:58:27
7	Dayan Ruben Gonzalez	0.39 s	Kotlin	2020-09-30 22:39:46
8	Sarek Høverstad Skotåm	0.41 s	Kotlin	2020-10-07 22:19:13
9	Hidden user	0.43 s	Kotlin	2020-04-12 00:15:44
10	Magnus Wass	0.47 s	Kotlin	2020-12-15 23:01:04

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.01 s	Pascal	2017-11-08 10:04:11

#	User	Runtime	Language	Date
1	Saito Ta	0.02 s	Perl	2024-04-24 08:43:11
2	Ahmad Barhamje	0.03 s	Perl	2025-04-30 20:05:37

#	User	Runtime	Language	Date
1	Steven D. Wilson	0.02 s	PHP	2016-03-24 04:18:57
2	Renate	0.02 s	PHP	2021-04-20 15:46:33
3	Connor Billings	0.03 s	PHP	2019-12-31 17:15:36
4	Silvena Lam	0.04 s	PHP	2016-02-03 17:59:23
5	Kevin Dai	0.04 s	PHP	2020-10-09 16:20:54
6	Andre Wahyudi	0.04 s	PHP	2022-09-26 11:12:21
7	An Duong	0.06 s	PHP	2020-10-09 16:28:28

#	User	Runtime	Language	Date
1	Kit Maywood	0.04 s	Python 2	2015-08-29 15:24:11
2	Hidden user	0.04 s	Python 2	2016-08-01 09:18:06
3	Michael	0.04 s	Python 2	2016-12-30 09:44:01
4	Andrei Stoica	0.04 s	Python 2	2018-10-24 11:58:00
5	Christofer Ohlsson	0.05 s	Python 2	2015-05-11 22:24:30
6	Snild Dolkow	0.05 s	Python 2	2015-10-18 13:23:30
7	Urban Pettersson	0.05 s	Python 2	2015-10-29 17:48:20
8	Asger Hautop Drewsen	0.05 s	Python 2	2015-11-03 20:18:13
9	Alexander Teno	0.05 s	Python 2	2016-01-07 05:34:28
10	Scott Handelman	0.05 s	Python 2	2016-04-15 06:37:04

#	User	Runtime	Language	Date
1	Wayne	0.03 s	Python 3	2016-01-23 17:07:42
2	Markus	0.03 s	Python 3	2019-07-10 15:39:34
3	Enzio Kam Hai Hong	0.03 s	Python 3	2019-07-13 14:06:25
4	Matt Collins	0.03 s	Python 3	2019-08-10 05:14:37
5	Charley Sheaffer	0.03 s	Python 3	2019-09-14 17:02:28
6	Terrence Reilly	0.04 s	Python 3	2016-02-25 13:17:41
7	Torfinn Tyvold Skarvatun	0.04 s	Python 3	2016-04-20 17:35:04
8	Hidden user	0.04 s	Python 3	2016-08-25 14:48:25
9	Martin Jackson	0.04 s	Python 3	2016-08-29 01:26:54
10	Tore Norderud	0.04 s	Python 3	2016-11-08 00:40:52

#	User	Runtime	Language	Date
1	Jinwoo Lee	0.20 s	Racket	2025-02-06 04:12:31

#	User	Runtime	Language	Date
1	Casper Christensen	0.05 s	Ruby	2015-12-31 15:51:06
2	Lasse Berglund	0.05 s	Ruby	2016-03-28 14:29:09
3	Kellen Watt	0.05 s	Ruby	2016-04-17 06:12:40
4	Clifford Owino	0.05 s	Ruby	2017-05-25 07:14:01
5	Paul Vinell	0.06 s	Ruby	2018-05-03 09:48:11
6	Nicholas Lantz	0.06 s	Ruby	2018-07-04 00:07:41
7	Hidden user	0.06 s	Ruby	2019-03-19 15:59:53
8	Jonathan Ogden	0.07 s	Ruby	2021-06-03 22:59:31
9	Troy Sornson	0.07 s	Ruby	2022-01-20 00:33:30
10	Kevin Suwala	0.08 s	Ruby	2017-01-13 05:52:06

#	User	Runtime	Language	Date
1	Felix Köhler	0.00 s	Rust	2024-05-27 07:06:33
2	Egor Kulikov	0.00 s	Rust	2024-11-28 14:04:29
3	Vincent Lagerros	0.00 s	Rust	2024-12-07 23:54:32
4	Pahlevi Fikri Auliya	0.01 s	Rust	2021-03-15 23:39:53
5	Hovig Manjikian	0.01 s	Rust	2021-09-28 00:51:51
6	Bhavesh Pareek	0.01 s	Rust	2022-09-17 03:02:55
7	Pankajkumar Patro	0.01 s	Rust	2024-10-31 19:39:07
8	Mark Saving	0.02 s	Rust	2019-09-22 07:10:28
9	Isak Jägberg	0.02 s	Rust	2020-06-19 12:18:15
10	Thomas	0.02 s	Rust	2020-12-13 22:19:15

#	User	Length	Language	Date
1	Ehsan Shoja	657	C	2018-06-26 03:36:13
2	Matthew Hartono	724	C	2022-09-21 18:27:17
3	Hu Yijie	739	C	2022-02-02 16:45:04
4	Arlan Dantas	782	C	2019-06-12 05:03:49
5	Marius Macijauskas	833	C	2016-10-01 11:20:10
6	Anton Haglund	833	C	2016-11-27 13:23:47
7	Daniel Worsnup	835	C	2016-04-23 05:09:38
8	Hidden user	836	C	2024-03-22 11:46:17
9	Sadia Hossain	841	C	2020-11-26 15:51:12
10	PhilCampbell	871	C	2020-12-20 16:00:53

#	User	Length	Language	Date
1	Benjamin Iserman	789	C#	2021-11-11 03:34:32
2	Kunwei Zhang	806	C#	2018-02-12 12:10:59
3	Thomas Norris	842	C#	2019-06-22 06:37:05
4	Владимир Хилько	949	C#	2022-06-03 12:20:58
5	Eric Weiss	1007	C#	2022-06-22 21:24:07
6	Pavel Mardouski	1017	C#	2021-02-01 17:21:37
7	Göran Andersson	1033	C#	2022-05-09 21:15:04
8	Eric Bäckhage	1067	C#	2019-02-16 21:41:07
9	Victor Hultén Mattsson	1119	C#	2021-07-06 15:47:43
10	Robert Low	1127	C#	2016-07-15 00:07:02

#	User	Length	Language	Date
1	Herman Karlsson	368	C++	2015-06-07 17:41:08
2	Emmanuel Anaya	382	C++	2020-10-22 06:42:57
3	Frederick Pek	399	C++	2021-05-31 06:46:18
4	王冠博	420	C++	2022-05-06 04:55:59
5	Tautvydas Jasiūnas	421	C++	2016-10-01 10:12:49
6	blameazu	433	C++	2024-04-04 09:07:20
7	暗夜行者	437	C++	2021-11-06 07:10:24
8	Yeung Man Tsung	442	C++	2022-11-20 07:35:44
9	Zane Yu	446	C++	2018-12-12 12:52:42
10	Chur Zhe Yaw	446	C++	2019-07-01 09:43:44

#	User	Length	Language	Date
1	David Cawthon	645	Common Lisp	2020-06-21 05:27:29
2	wibi	668	Common Lisp	2020-09-02 09:33:45

#	User	Length	Language	Date
1	Simon Echers	539	F#	2022-01-14 19:20:59
2	Jacob Harris Cryer Kragh	751	F#	2022-07-11 10:36:19
3	Patrick Bahr	2255	F#	2021-02-14 22:15:33

#	User	Length	Language	Date
1	Alejandro Germain	573	Go	2018-09-30 20:17:51
2	Mohamed Ramrami	637	Go	2020-05-07 20:29:20
3	Hein Thant Maung Maung	666	Go	2021-10-15 15:05:41
4	Andreas Gottschalk Krath	684	Go	2022-09-29 19:33:01
5	Chris Vilches	686	Go	2024-09-07 16:16:35
6	Ian Howell	699	Go	2016-06-07 04:08:44
7	Krzysztof Gibuła	954	Go	2019-03-16 11:45:12
8	Hidden user	990	Go	2021-12-16 16:22:39
9	Emil Lynegaard	1017	Go	2019-03-19 16:12:46
10	Peter Sutherland	1021	Go	2018-06-17 00:23:21

#	User	Length	Language	Date
1	David Wärn	302	Haskell	2015-06-06 17:59:57
2	Monique Oliveira	401	Haskell	2021-07-24 04:44:54
3	Sebastian Banert	422	Haskell	2023-09-19 17:47:13
4	Oisín Mac Fhearaí	432	Haskell	2021-01-12 22:04:56
5	Håkon Flatval	434	Haskell	2018-08-16 17:43:37
6	Qi Ji	449	Haskell	2018-06-25 09:19:30
7	Shing Tak Lam	454	Haskell	2021-09-08 19:03:27
8	Anthony Clays	475	Haskell	2017-01-06 16:20:28
9	Lieven Marchand	475	Haskell	2017-09-15 14:35:40
10	Birk Tjelmeland	479	Haskell	2017-10-25 17:58:31

#	User	Length	Language	Date
1	Qritel Abdelilah	678	Java	2017-05-24 18:04:39
2	Darrin Wiley	684	Java	2016-01-05 20:11:36
3	Ryan Parappuram	685	Java	2020-07-09 20:12:08
4	Matthew Tennyson	687	Java	2019-02-16 21:59:49
5	Caeden Whitaker	697	Java	2020-07-02 01:53:49
6	Doug Goodman	705	Java	2017-06-19 15:39:30
7	Daniel Marks	707	Java	2018-10-24 06:08:02
8	Briana Nevarez	714	Java	2022-09-05 19:32:39
9	Phyo Sithu Kyaw	714	Java	2017-05-24 09:51:39
10	Kaitlyn Childers	735	Java	2016-09-15 01:30:06

#	User	Length	Language	Date
1	Antoine Bauri	704	JavaScript (Node.js)	2021-02-22 17:58:13
2	Karim Dridi	809	JavaScript (Node.js)	2022-04-14 11:41:13
3	Ali	886	JavaScript (Node.js)	2021-12-22 11:23:13
4	Chris Wong	1105	JavaScript (Node.js)	2021-02-02 14:43:26
5	Hidden user	1114	JavaScript (Node.js)	2024-09-09 22:33:31
6	Christoffer Karlsson	1143	JavaScript (Node.js)	2020-10-11 00:19:02
7	Christina Konstantinidou	1236	JavaScript (Node.js)	2023-03-03 11:38:52
8	Andoko Chandra	1275	JavaScript (Node.js)	2020-10-02 16:29:37
9	Khin Nyunt	1347	JavaScript (Node.js)	2021-12-08 16:24:30
10	George Kamtziridis	1386	JavaScript (Node.js)	2023-03-03 11:17:13

#	User	Length	Language	Date
1	Jimmy Gustafsson	268	JavaScript (SpiderMonkey)	2024-06-11 23:17:57
2	Christian Cederquist	393	JavaScript (SpiderMonkey)	2022-11-13 01:09:27
3	Bjørn Chr. Soltvedt	487	JavaScript (SpiderMonkey)	2019-12-10 22:45:11
4	Drake Farrokhi	539	JavaScript (SpiderMonkey)	2023-11-25 06:18:43
5	Michael Laszlo	540	JavaScript (SpiderMonkey)	2016-09-28 18:41:37
6	Evan Magill	567	JavaScript (SpiderMonkey)	2024-04-19 01:54:12
7	Peter Kedemo	594	JavaScript (SpiderMonkey)	2015-12-20 18:40:47
8	Luis David Aguilar Carlos	672	JavaScript (SpiderMonkey)	2017-04-02 21:09:38
9	Tim Oram	691	JavaScript (SpiderMonkey)	2016-03-07 00:39:12
10	Robin Livesey	719	JavaScript (SpiderMonkey)	2018-05-05 11:48:19

#	User	Length	Language	Date
1	Danny Robinson	165	Julia	2023-09-05 23:38:14
2	Timothy Gaede	1278	Julia	2024-03-22 05:32:08

#	User	Length	Language	Date
1	Troy Warmboe	556	Kotlin	2020-02-08 01:10:38
2	Jahid Hasan Imon	609	Kotlin	2020-05-12 13:58:27
3	Magnus Wass	626	Kotlin	2020-12-15 23:01:04
4	Hidden user	633	Kotlin	2017-11-20 01:09:14
5	Jacob Stringer	639	Kotlin	2018-05-15 03:19:23
6	Dmitry Shostak	683	Kotlin	2018-08-23 09:26:04
7	axl	700	Kotlin	2019-08-06 15:34:06
8	Vishal Sehgal	709	Kotlin	2021-10-20 21:02:58
9	arda atci	733	Kotlin	2020-07-03 23:19:26
10	Adam Rankin	743	Kotlin	2023-08-29 03:05:14

#	User	Length	Language	Date
1	Ingemar Ragnemalm	2466	Pascal	2017-11-08 10:04:11

#	User	Length	Language	Date
1	Saito Ta	158	Perl	2024-04-24 08:43:11
2	Ahmad Barhamje	1081	Perl	2025-04-30 20:05:37

#	User	Length	Language	Date
1	Steven D. Wilson	544	PHP	2016-03-24 04:18:57
2	An Duong	692	PHP	2020-10-09 16:28:28
3	Kevin Dai	716	PHP	2020-10-09 16:20:54
4	Connor Billings	737	PHP	2019-12-31 17:15:36
5	Renate	738	PHP	2021-04-20 15:46:33
6	Silvena Lam	908	PHP	2016-02-03 18:08:35
7	Andre Wahyudi	1102	PHP	2022-09-26 11:12:21

#	User	Length	Language	Date
1	Thomas Feld	222	Python 2	2019-08-19 15:18:55
2	Haggai Liu	244	Python 2	2017-01-08 22:17:29
3	Asger Hautop Drewsen	270	Python 2	2015-11-03 20:18:13
4	Hidden user	276	Python 2	2018-01-05 08:16:52
5	Eoin Davey	276	Python 2	2018-03-27 15:25:35
6	Neal Zane	286	Python 2	2016-01-28 04:14:56
7	Jeff Robertson	290	Python 2	2018-04-19 23:08:23
8	Lars Åström	294	Python 2	2019-09-22 22:59:39
9	Kevin Tang	299	Python 2	2019-10-01 20:58:00
10	Andreas Björklund	300	Python 2	2019-08-18 13:57:32

#	User	Length	Language	Date
1	Clement Oh	114	Python 3	2023-09-07 17:30:01
2	Charles Ancheta	145	Python 3	2023-04-07 22:15:21
3	Thomas Feld	148	Python 3	2022-11-04 14:12:59
4	Morten Clausen	152	Python 3	2022-10-04 13:52:35
5	Peter Jin	153	Python 3	2022-09-17 19:20:12
6	David Worley	162	Python 3	2024-02-03 17:11:36
7	Lukas Kerren	164	Python 3	2024-03-19 18:07:57
8	Bhavesh Pareek	185	Python 3	2022-09-17 03:16:34
9	Oliver Ruste Jahren	194	Python 3	2023-06-03 22:50:10
10	Wouter Dijkstra	202	Python 3	2022-07-05 15:29:37

#	User	Length	Language	Date
1	Jinwoo Lee	586	Racket	2025-02-06 04:12:31

#	User	Length	Language	Date
1	Thomas Feld	108	Ruby	2023-09-08 13:16:15
2	Clement Oh	162	Ruby	2024-03-02 15:43:58
3	Nicholas Lantz	186	Ruby	2018-07-04 00:07:41
4	Régis Hanol	192	Ruby	2022-01-08 15:11:22
5	Paul Vinell	205	Ruby	2018-05-03 09:48:11
6	Troy Sornson	270	Ruby	2022-01-20 00:33:30
7	Jonathan Ogden	290	Ruby	2021-06-03 22:59:31
8	Casper Christensen	316	Ruby	2015-12-31 15:51:06
9	Hidden user	334	Ruby	2019-03-19 15:59:53
10	Macdara mac an tSionnaigh	335	Ruby	2019-10-05 02:29:05

#	User	Length	Language	Date
1	Bas Dirks	810	Rust	2021-12-30 09:31:58
2	Felix Köhler	856	Rust	2024-05-24 05:56:34
3	Kok Dith	912	Rust	2021-08-01 13:24:40
4	Bhavesh Pareek	921	Rust	2022-09-17 03:02:55
5	Thomas	1113	Rust	2020-12-13 22:19:15
6	Mileta Mitrovic	1141	Rust	2022-01-27 22:45:25
7	Pankajkumar Patro	1152	Rust	2024-10-31 19:39:07
8	Albert Rise Nielsen	1156	Rust	2020-10-12 00:44:12
9	Isak Jägberg	1400	Rust	2020-06-19 12:18:15
10	Eric Pinter	1406	Rust	2021-05-28 02:00:39

Solution running time distribution