Problem I
Postal Delivery — Problem Statistics

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Submissions	2644
Accepted submissions	1210
Submission ratio	45.76%
Authors	1099
Full solves [?]	991
Full solve Ratio	90.17%

#	User	Runtime	Language	Date
1	Adam Evans	0.00 s	C	2016-11-08 15:08:01
2	Ivan Petrov	0.00 s	C	2019-06-28 10:40:45
3	Warren Mazmur	0.00 s	C	2019-09-19 16:02:48
4	Bryan Heryanto	0.00 s	C	2019-09-20 03:43:10
5	Bergur Snorrason	0.00 s	C	2020-10-16 11:01:20
6	Sanjiv Dinakar	0.00 s	C	2022-06-29 20:44:24
7	Hidden user	0.00 s	C	2024-10-11 22:18:46

#	User	Runtime	Language	Date
1	Gustav Kalander	0.02 s	C#	2018-07-30 19:02:31
2	Hidden user	0.04 s	C#	2022-11-20 23:57:58
3	Joshua Gerber	0.06 s	C#	2022-11-03 13:17:40
4	Evan Miller	0.07 s	C#	2025-09-02 21:17:50
5	Nathan Andrews	0.09 s	C#	2024-09-27 01:32:55

#	User	Runtime	Language	Date
1	Joseph Chau	0.01 s	COBOL	2024-02-23 03:14:18

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Common Lisp	2019-07-06 01:53:12

#	User	Runtime	Language	Date
1	MARIA JOSE MORALES AVALOS	0.01 s	Go	2025-04-26 05:44:41
2	Norbert Voelker	0.08 s	Go	2021-10-25 00:19:29

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Haskell	2023-03-16 19:02:25

#	User	Runtime	Language	Date
1	José Vander Meulen	0.05 s	Java	2018-06-29 21:48:08
2	Martijn Muijsers	0.06 s	Java	2017-05-09 16:28:14
3	Bjørn Dons	0.06 s	Java	2018-12-07 01:29:33
4	Sven Rönnbäck	0.06 s	Java	2024-03-31 09:18:03
5	Pham Minh Tuan Bui	0.06 s	Java	2024-10-30 00:30:16
6	Long Nguyen Manh Thanh	0.06 s	Java	2024-10-31 22:50:49
7	Tuan Minh Pham	0.06 s	Java	2025-02-14 05:11:56
8	Micah Stairs	0.07 s	Java	2017-04-06 21:14:42
9	Daniel Moyer	0.07 s	Java	2017-09-23 19:47:08
10	Herman Appelgren	0.07 s	Java	2018-03-31 23:46:07

#	User	Runtime	Language	Date
1	tannal	0.04 s	JavaScript (Node.js)	2025-06-16 08:52:17

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-05-30 11:58:39
2	Bjørn Chr. Soltvedt	0.05 s	JavaScript (SpiderMonkey)	2020-03-17 23:27:46

#	User	Runtime	Language	Date
1	Hidden user	0.18 s	Kotlin	2019-12-13 07:31:05
2	Danny Mittal	0.36 s	Kotlin	2022-09-21 00:24:44

#	User	Runtime	Language	Date
1	Caleb Austin	0.14 s	Lua	2024-10-06 03:49:14

#	User	Runtime	Language	Date
1	Asher Trockman	0.03 s	Python 2	2016-12-06 00:03:00
2	Hermon Mulat	0.03 s	Python 2	2019-01-03 20:16:53
3	Cian Ruane	0.04 s	Python 2	2017-08-25 16:15:56
4	Eric Williamson	0.04 s	Python 2	2017-09-23 20:05:47
5	Sigurður Jens Albertsson	0.04 s	Python 2	2017-12-02 12:06:33
6	Sergio Vieri	0.04 s	Python 2	2018-02-20 14:32:38
7	Justin Su	0.04 s	Python 2	2018-03-27 05:54:19
8	Jesper Öqvist	0.04 s	Python 2	2018-09-22 20:15:07
9	Lars Åström	0.04 s	Python 2	2019-10-14 16:52:04
10	Yanmarshus Bachtiar	0.04 s	Python 2	2020-11-22 07:35:33

#	User	Runtime	Language	Date
1	Jonathon Arbaugh	0.02 s	Python 3	2017-04-09 22:17:16
2	Kasper Borys	0.02 s	Python 3	2017-04-09 22:41:34
3	Kevin Wang	0.02 s	Python 3	2017-09-23 20:40:00
4	John Barczynski	0.02 s	Python 3	2017-10-04 02:16:45
5	Arjun Blum	0.02 s	Python 3	2017-10-11 01:39:04
6	David Brewster	0.02 s	Python 3	2017-10-28 22:36:42
7	Tawan Thampipattanakul	0.02 s	Python 3	2017-11-30 17:45:55
8	Ciara Godwin	0.02 s	Python 3	2017-12-11 15:10:29
9	Cheng Hang	0.02 s	Python 3	2018-01-09 05:55:23
10	Annika Zhang	0.02 s	Python 3	2018-04-07 22:33:44

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2025-10-03 12:33:02

#	User	Runtime	Language	Date
1	poppyer	0.00 s	Rust	2022-09-06 05:22:55
2	Vincent Lagerros	0.00 s	Rust	2024-12-10 01:20:45
3	Bas Dirks	0.00 s	Rust	2025-02-09 06:28:04
4	Bhavesh Pareek	0.15 s	Rust	2022-09-08 02:49:02

#	User	Length	Language	Date
1	Bryan Heryanto	997	C	2019-09-20 03:43:10
2	Warren Mazmur	1012	C	2019-09-19 16:02:48
3	Hidden user	1287	C	2024-10-11 22:18:46
4	Ivan Petrov	1580	C	2019-06-28 10:40:45
5	Adam Evans	1878	C	2016-11-08 15:08:01
6	Bergur Snorrason	2090	C	2020-10-16 11:01:20
7	Sanjiv Dinakar	6614	C	2022-06-29 20:44:24

#	User	Length	Language	Date
1	Nathan Andrews	1676	C#	2024-09-27 01:32:55
2	Gustav Kalander	2003	C#	2018-07-30 19:02:31
3	Evan Miller	2577	C#	2025-09-02 21:17:50
4	Joshua Gerber	3167	C#	2022-11-03 13:17:40
5	Hidden user	7754	C#	2022-11-20 23:57:58

#	User	Length	Language	Date
1	James pearman	395	C++	2019-09-28 06:03:12
2	Atharva Kerkar	439	C++	2025-02-10 00:22:20
3	Mugeon Kim	583	C++	2024-05-28 04:15:31
4	Johan Wind	584	C++	2018-03-20 23:44:11
5	Sharanya Devgon	591	C++	2025-02-06 21:24:22
6	blameazu	599	C++	2024-12-17 15:34:45
7	Rumbin Lee	605	C++	2023-05-19 11:30:18
8	Markus Mathiasen	619	C++	2022-08-24 13:12:08
9	Adil Rasiyani	641	C++	2023-02-22 03:25:21
10	DAVID SUN	652	C++	2024-10-14 01:42:26

#	User	Length	Language	Date
1	Joseph Chau	4937	COBOL	2024-02-23 03:14:18

#	User	Length	Language	Date
1	Hidden user	999	Common Lisp	2019-07-06 01:53:12

#	User	Length	Language	Date
1	Norbert Voelker	1619	Go	2021-10-25 00:19:29
2	MARIA JOSE MORALES AVALOS	3320	Go	2025-04-26 05:44:41

#	User	Length	Language	Date
1	Hidden user	632	Haskell	2023-03-16 19:02:25

#	User	Length	Language	Date
1	Harrison Weigel	1045	Java	2016-11-05 21:09:47
2	Jiru Xu	1073	Java	2017-10-24 03:57:38
3	Mitch Price	1152	Java	2017-03-27 04:09:56
4	Doug Goodman	1158	Java	2017-08-12 18:53:31
5	Alex Servin	1260	Java	2017-09-26 00:45:53
6	Steven Xu	1309	Java	2020-12-05 02:53:24
7	Cody Barnes	1342	Java	2016-11-15 19:01:46
8	Hayoung Chung	1419	Java	2017-09-23 20:18:09
9	Daniel Moyer	1473	Java	2017-09-23 19:47:08
10	Alex Baker	1484	Java	2018-09-15 23:17:52

#	User	Length	Language	Date
1	tannal	4326	JavaScript (Node.js)	2025-06-16 08:52:17

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	663	JavaScript (SpiderMonkey)	2020-03-17 23:27:46
2	Christian Pilegaard Cederquist	1408	JavaScript (SpiderMonkey)	2023-05-30 11:58:39

#	User	Length	Language	Date
1	Danny Mittal	585	Kotlin	2022-09-21 00:24:44
2	Hidden user	2044	Kotlin	2019-12-13 07:31:05

#	User	Length	Language	Date
1	Caleb Austin	1043	Lua	2024-10-06 03:49:14

#	User	Length	Language	Date
1	Andreas Björklund	458	Python 2	2021-12-26 09:35:18
2	Corbin McNeill	504	Python 2	2017-02-19 02:47:56
3	Justin Su	546	Python 2	2018-03-27 05:57:38
4	Lars Åström	568	Python 2	2019-10-14 16:52:04
5	Jesper Öqvist	574	Python 2	2018-09-22 20:15:07
6	Sigurður Jens Albertsson	627	Python 2	2017-12-02 12:06:33
7	Sergio Vieri	798	Python 2	2018-02-20 14:32:38
8	Agis Daniels	848	Python 2	2020-03-24 10:36:39
9	Asher Trockman	974	Python 2	2016-12-06 00:03:00
10	Hermon Mulat	1012	Python 2	2019-01-03 20:16:53

#	User	Length	Language	Date
1	Peter Stauder	234	Python 3	2022-10-24 21:59:19
2	Lukas Kerren	281	Python 3	2024-06-01 17:29:57
3	Yong Mao	298	Python 3	2023-08-02 02:31:46
4	Christian Blumenthal	412	Python 3	2024-10-31 10:46:42
5	Andy Phan	434	Python 3	2024-11-02 18:37:27
6	Pratyanch Jain	444	Python 3	2024-01-29 01:10:52
7	Josip Smolcic	451	Python 3	2018-10-12 07:19:36
8	Ahmed Chamseddine	451	Python 3	2025-03-17 15:40:31
9	Hidden user	503	Python 3	2021-05-06 03:09:50
10	Marshall D Feng	514	Python 3	2025-02-13 22:44:30

#	User	Length	Language	Date
1	Thomas Feld	137	Ruby	2025-10-03 12:38:30

#	User	Length	Language	Date
1	Vincent Lagerros	1154	Rust	2024-12-10 01:20:45
2	poppyer	1546	Rust	2022-09-06 05:22:55
3	Bas Dirks	1546	Rust	2025-02-09 06:28:04
4	Bhavesh Pareek	1735	Rust	2022-09-08 02:47:26

Solution running time distribution