Problem A
Summer Trip — Problem Statistics

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Submissions	2882
Accepted submissions	1411
Submission ratio	48.96%
Authors	1403
Full solves [?]	1190
Full solve Ratio	84.82%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.08 s	Bash	2024-04-14 15:02:21

#	User	Runtime	Language	Date
1	Jón Steinn Elíasson	0.00 s	C	2020-03-14 17:18:21
2	Kenny Zhang	0.01 s	C	2019-10-06 00:12:34
3	Eyleifur Bjarkason	0.01 s	C	2019-10-07 02:10:35
4	Bergur Snorrason	0.01 s	C	2019-10-07 11:27:54
5	daniel stoilescu	0.01 s	C	2019-10-09 22:06:25
6	Rudy Matela	0.01 s	C	2024-05-28 17:27:18
7	Mirel Cosulschi	0.02 s	C	2024-01-07 16:57:07
8	Ivan Petrov	0.22 s	C	2019-10-07 14:14:39

#	User	Runtime	Language	Date
1	Jay Rabjohns	0.12 s	C#	2020-10-17 13:05:18
2	Andriy Zyevakov	0.12 s	C#	2024-03-21 09:22:31
3	Jordan Ahlbrecht	0.16 s	C#	2022-10-23 04:10:17
4	Mikael Fiala-Lundström	0.23 s	C#	2022-05-08 01:39:55
5	Hidden user	0.91 s	C#	2022-10-23 03:36:01

#	User	Runtime	Language	Date
1	Norbert Voelker	0.46 s	Go	2021-01-25 01:25:32

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.05 s	Haskell	2025-06-13 09:40:30
2	Hidden user	0.07 s	Haskell	2019-11-02 19:40:32

#	User	Runtime	Language	Date
1	Santiago Rivas	0.07 s	Java	2025-07-24 13:44:26
2	Tuan Minh Pham	0.08 s	Java	2025-08-31 06:37:30
3	Alvin Lee	0.09 s	Java	2025-08-28 16:54:00
4	Sparsh Sanchorawala	0.11 s	Java	2023-01-28 20:28:46
5	Ali Pervaiz	0.12 s	Java	2019-10-06 02:05:13
6	Sathvik Kuthuru	0.12 s	Java	2019-10-07 22:44:57
7	周语林	0.12 s	Java	2021-02-06 02:52:29
8	Daniyal Ahmad Bekinalkar	0.12 s	Java	2024-01-16 22:31:14
9	Benjamin Reidys	0.13 s	Java	2019-10-05 20:53:54
10	Syed Pervaiz	0.13 s	Java	2019-10-05 21:23:33

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	1.09 s	JavaScript (SpiderMonkey)	2019-12-17 01:52:36
2	Christian Pilegaard Cederquist	1.41 s	JavaScript (SpiderMonkey)	2023-05-30 15:13:01

#	User	Runtime	Language	Date
1	Timothy Gaede	0.53 s	Julia	2025-10-18 09:18:05

#	User	Runtime	Language	Date
1	Nicholas Johnson	0.21 s	Kotlin	2022-02-05 22:53:21
2	Jacob Huebner	0.27 s	Kotlin	2022-02-02 04:43:03
3	Adam Rankin	0.31 s	Kotlin	2023-09-10 17:53:36
4	Hidden user	0.36 s	Kotlin	2020-04-17 15:39:29

#	User	Runtime	Language	Date
1	Alfred Morgan	0.02 s	Nim	2024-09-17 10:02:37

#	User	Runtime	Language	Date
1	Kartavya Vashishtha	0.29 s	OCaml	2024-01-12 04:22:46

#	User	Runtime	Language	Date
1	hz	0.16 s	PHP	2026-01-25 19:10:21

#	User	Runtime	Language	Date
1	Michael Wang	0.08 s	Python 2	2019-10-05 23:00:02
2	Andreas Björklund	0.09 s	Python 2	2019-10-06 11:50:55
3	Björn Martinsson	0.10 s	Python 2	2019-10-05 21:44:51
4	Maj Stenmark	0.12 s	Python 2	2019-10-27 17:26:26
5	Jonatan Nilsson	0.13 s	Python 2	2019-10-27 10:23:32
6	Lars Åström	0.13 s	Python 2	2019-10-27 16:31:26
7	Björn Magnusson	0.13 s	Python 2	2019-10-28 16:44:37
8	Jesper Öqvist	0.14 s	Python 2	2019-10-21 17:03:20
9	Johan Lyts	0.15 s	Python 2	2021-02-08 21:31:30
10	Oskar Haarklou Veileborg	0.16 s	Python 2	2019-10-07 09:48:43

#	User	Runtime	Language	Date
1	Rizal Andriana	0.08 s	Python 3	2022-08-03 18:11:23
2	Anila Gibson	0.08 s	Python 3	2023-03-01 03:18:51
3	lana	0.08 s	Python 3	2023-03-01 05:30:15
4	Harsh Kumar	0.08 s	Python 3	2023-07-28 09:05:12
5	Michelle Rosas	0.08 s	Python 3	2024-10-05 20:32:43
6	Miles Borgstadt	0.08 s	Python 3	2024-10-20 23:08:28
7	Cheney Lin	0.08 s	Python 3	2024-12-22 01:31:45
8	Aaruni Gupta	0.08 s	Python 3	2025-08-28 22:13:29
9	Hidden user	0.08 s	Python 3	2025-09-04 19:52:08
10	Aaryan Wadhwani	0.08 s	Python 3	2026-01-20 23:45:19

#	User	Runtime	Language	Date
1	Donald Dong	0.27 s	Ruby	2021-02-23 08:30:04
2	Thomas Feld	0.74 s	Ruby	2023-02-09 12:59:47
3	Hidden user	0.79 s	Ruby	2019-11-27 17:44:00
4	DJ Begos	0.99 s	Ruby	2021-02-25 07:23:36
5	Palash Agarwal	1.15 s	Ruby	2021-02-24 01:24:04

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-10-03 14:45:30
2	Hidden user	0.01 s	Rust	2021-01-31 15:15:12
3	Ng Tek In	0.02 s	Rust	2023-09-16 18:20:54
4	Pahlevi Fikri Auliya	0.04 s	Rust	2020-11-17 04:12:49
5	Calvin C Ophoff	0.10 s	Rust	2025-09-13 21:29:12
6	Tobias Nilsson	0.12 s	Rust	2021-01-27 00:09:28
7	Bas Dirks	0.17 s	Rust	2022-01-24 12:58:02
8	Simon Hallefält	0.17 s	Rust	2023-09-02 16:53:29

#	User	Length	Language	Date
1	Chenzhang Hu	966	Bash	2024-04-14 15:02:21

#	User	Length	Language	Date
1	Rudy Matela	440	C	2024-05-28 17:27:18
2	Kenny Zhang	546	C	2019-10-06 00:12:34
3	daniel stoilescu	669	C	2019-10-09 22:06:25
4	Jón Steinn Elíasson	741	C	2020-03-14 17:08:30
5	Mirel Cosulschi	1613	C	2024-01-07 16:57:07
6	Bergur Snorrason	1834	C	2019-10-07 11:27:54
7	Eyleifur Bjarkason	5087	C	2019-10-07 02:10:35
8	Ivan Petrov	18692	C	2019-10-07 14:14:39

#	User	Length	Language	Date
1	Jay Rabjohns	650	C#	2020-10-17 13:05:18
2	Jordan Ahlbrecht	989	C#	2022-10-23 04:10:17
3	Hidden user	3403	C#	2022-10-23 03:36:01
4	Mikael Fiala-Lundström	3712	C#	2022-05-08 01:39:55
5	Andriy Zyevakov	7207	C#	2024-03-21 09:22:31

#	User	Length	Language	Date
1	Angela Qian	197	C++	2026-01-22 17:43:23
2	Paul Wild	293	C++	2023-10-02 17:34:26
3	Audra Aurora Izzani	329	C++	2023-11-04 19:27:15
4	qusol	346	C++	2023-10-03 01:16:10
5	Hidden user	347	C++	2019-11-14 10:26:06
6	Omar Muhammetkulyyev	351	C++	2024-10-10 08:46:28
7	Rishab Pallepati	356	C++	2022-01-20 00:29:57
8	João	360	C++	2023-01-29 00:17:32
9	Clement Oh	364	C++	2023-11-22 08:35:11
10	Cameron Custer	365	C++	2022-11-09 18:07:10

#	User	Length	Language	Date
1	Norbert Voelker	623	Go	2021-01-25 01:25:32

#	User	Length	Language	Date
1	Steinar Simonnes	661	Haskell	2025-06-13 09:37:54
2	Hidden user	7923	Haskell	2019-11-02 19:40:32

#	User	Length	Language	Date
1	Brennan Cleland	453	Java	2022-11-17 00:11:55
2	Sam Huynh	475	Java	2021-06-11 03:49:17
3	Ricky Woodruff	488	Java	2019-10-06 02:09:50
4	Logan Su	501	Java	2019-10-05 20:35:18
5	Shawn Hatchwell	509	Java	2019-10-09 23:38:29
6	Caeden Whitaker	516	Java	2020-01-07 19:58:42
7	Derrick Martin	519	Java	2019-10-05 21:39:11
8	Joseph Walegir	521	Java	2019-10-05 22:51:41
9	Shang-En Huang	538	Java	2022-09-28 22:47:40
10	Emmett Jesrani	539	Java	2022-01-20 07:38:57

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	263	JavaScript (SpiderMonkey)	2019-12-17 02:28:06
2	Christian Pilegaard Cederquist	589	JavaScript (SpiderMonkey)	2023-05-30 15:13:01

#	User	Length	Language	Date
1	Timothy Gaede	751	Julia	2025-10-18 09:18:05

#	User	Length	Language	Date
1	Jacob Huebner	544	Kotlin	2022-02-02 04:43:03
2	Hidden user	672	Kotlin	2020-04-17 15:39:29
3	Adam Rankin	702	Kotlin	2023-09-10 17:53:36
4	Nicholas Johnson	2556	Kotlin	2022-02-05 22:53:21

#	User	Length	Language	Date
1	Alfred Morgan	297	Nim	2024-09-17 10:02:37

#	User	Length	Language	Date
1	Kartavya Vashishtha	1362	OCaml	2024-01-12 04:22:46

#	User	Length	Language	Date
1	hz	1336	PHP	2026-01-25 19:34:39

#	User	Length	Language	Date
1	Thomas Feld	228	Python 2	2019-11-20 09:54:19
2	Jonatan Nilsson	256	Python 2	2019-10-27 10:23:32
3	Lars Åström	256	Python 2	2019-10-27 16:31:26
4	Björn Magnusson	256	Python 2	2019-10-28 16:44:37
5	Jesper Öqvist	281	Python 2	2019-10-21 17:03:20
6	Oskar Haarklou Veileborg	313	Python 2	2019-10-07 09:48:43
7	Andreas Björklund	344	Python 2	2019-10-06 11:50:55
8	Johan Lyts	383	Python 2	2021-02-08 21:31:30
9	Björn Martinsson	410	Python 2	2019-10-05 21:44:51
10	Måns Magnusson	494	Python 2	2019-10-27 10:35:28

#	User	Length	Language	Date
1	June Hoop	72	Python 3	2025-09-05 15:27:20
2	Nino Bašić	121	Python 3	2023-01-20 16:30:14
3	Scott MacIntosh	128	Python 3	2019-10-05 21:03:12
4	William Taylor-Melanson	134	Python 3	2019-10-06 14:26:19
5	I Coello	136	Python 3	2025-02-17 12:19:49
6	Christopher MacDonald	139	Python 3	2019-10-13 18:24:14
7	Nathan Koppel	149	Python 3	2024-01-21 23:56:52
8	Bryan Juniano	151	Python 3	2025-05-08 06:15:41
9	Peter Stauder	158	Python 3	2022-10-07 20:36:06
10	Bryon Tjanaka	164	Python 3	2019-10-28 00:36:04

#	User	Length	Language	Date
1	Thomas Feld	69	Ruby	2023-02-09 12:59:47
2	Hidden user	282	Ruby	2019-11-27 17:41:32
3	Palash Agarwal	298	Ruby	2021-02-24 01:24:04
4	DJ Begos	534	Ruby	2021-02-25 07:23:36
5	Donald Dong	585	Ruby	2021-02-23 08:30:04

#	User	Length	Language	Date
1	Calvin C Ophoff	625	Rust	2025-09-13 21:29:12
2	Bas Dirks	838	Rust	2022-01-24 12:58:02
3	Tobias Nilsson	876	Rust	2021-01-27 00:09:28
4	Simon Hallefält	979	Rust	2023-09-02 16:53:29
5	Ng Tek In	1062	Rust	2023-09-16 18:20:54
6	Hidden user	1762	Rust	2021-01-31 15:15:12
7	Pahlevi Fikri Auliya	2367	Rust	2020-11-17 04:12:49
8	Vincent Lagerros	5758	Rust	2024-10-03 14:45:30

Solution running time distribution