Problem C
Safe Passage — Problem Statistics

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Submissions	2120
Accepted submissions	845
Submission ratio	39.86%
Authors	903
Full solves [?]	672
Full solve Ratio	74.42%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.01 s	Bash	2023-10-19 18:05:47

#	User	Runtime	Language	Date
1	Tomáš Drtina	0.00 s	C	2015-10-03 22:22:14
2	Feng Jiang	0.00 s	C	2015-10-04 06:33:26
3	Dan Anderson	0.00 s	C	2017-02-21 21:53:20
4	Yifan Xu	0.00 s	C	2017-12-29 22:25:47
5	Pim Heeman	0.00 s	C	2020-05-06 11:05:03
6	Ibrahim Younas, Mr	0.00 s	C	2023-10-21 17:06:33
7	Mirel Cosulschi	0.00 s	C	2025-05-29 14:02:43
8	Cesar Gonzalez	0.00 s	C	2025-11-04 02:59:22
9	Ivan Petrov	0.14 s	C	2019-10-08 11:30:42

#	User	Runtime	Language	Date
1	Kalyan Balla	0.02 s	C#	2015-11-10 21:26:22
2	Krzysiek Staszak	0.02 s	C#	2015-11-19 22:21:22
3	Ilia Volkov	0.29 s	C#	2016-10-16 08:55:13

#	User	Runtime	Language	Date
1	Huaiyu Wu	0.05 s	Java	2015-10-03 18:21:03
2	Joshua Alman	0.05 s	Java	2015-10-03 20:42:01
3	Petr Ryšavý	0.05 s	Java	2015-10-03 21:15:51
4	Mason Liu	0.05 s	Java	2015-10-03 22:33:59
5	Nathaniel Shapiro	0.05 s	Java	2015-10-04 03:11:55
6	Kevin Tian	0.05 s	Java	2015-10-04 04:53:30
7	Nick Wu	0.05 s	Java	2015-10-05 11:36:06
8	Eric Andow	0.05 s	Java	2015-10-23 04:56:10
9	Eskil Jarlskog	0.05 s	Java	2016-01-26 22:22:31
10	Fredrik Persson	0.05 s	Java	2016-02-14 15:26:58

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.06 s	JavaScript (SpiderMonkey)	2025-05-27 01:20:40
2	Christian Pilegaard Cederquist	0.29 s	JavaScript (SpiderMonkey)	2024-10-02 06:15:55

#	User	Runtime	Language	Date
1	Jacob Huebner	0.28 s	Kotlin	2022-01-12 05:13:17

#	User	Runtime	Language	Date
1	Ted Ying	0.02 s	Python 2	2015-10-03 22:10:06
2	Neal Zane	0.02 s	Python 2	2016-07-23 04:08:29
3	Jesper Öqvist	0.02 s	Python 2	2018-06-11 11:24:01
4	Tien Vu	0.03 s	Python 2	2015-10-16 03:56:08
5	Hidden user	0.03 s	Python 2	2017-08-12 11:16:12
6	Sigurður Jens Albertsson	0.16 s	Python 2	2017-12-29 20:42:48
7	Albin Heimerson	0.25 s	Python 2	2017-10-22 16:46:57
8	Oskar Larsson	0.30 s	Python 2	2019-05-23 14:58:48
9	Mees de Vries	0.43 s	Python 2	2019-06-03 11:25:41
10	Lars Åström	0.63 s	Python 2	2018-07-23 23:42:25

#	User	Runtime	Language	Date
1	Jim Zhang	0.02 s	Python 3	2015-10-10 07:07:42
2	Vladimir Kochanov	0.02 s	Python 3	2016-03-30 04:50:24
3	Joshua Zygmunt	0.02 s	Python 3	2016-06-28 09:28:53
4	Sebastian Hjelm	0.02 s	Python 3	2016-10-12 11:06:23
5	Michael Laszlo	0.02 s	Python 3	2016-10-14 02:59:02
6	Ali N Salman	0.02 s	Python 3	2016-10-15 22:12:02
7	Jaime Castro Retamal	0.02 s	Python 3	2016-10-17 05:13:55
8	Philip Ritchey	0.02 s	Python 3	2017-02-18 18:19:57
9	Ciara Godwin	0.02 s	Python 3	2017-03-15 20:58:00
10	Cian Ruane	0.02 s	Python 3	2017-03-18 17:14:09

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-05-11 12:15:09

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Rust	2025-02-13 08:59:02
2	Vincent Lagerros	0.00 s	Rust	2025-03-06 21:26:51
3	Constantijn Dekker	0.01 s	Rust	2021-05-21 10:24:46
4	Nathan Koppel	0.03 s	Rust	2022-03-17 02:55:34

#	User	Length	Language	Date
1	Chenzhang Hu	671	Bash	2024-02-03 07:39:36

#	User	Length	Language	Date
1	Cesar Gonzalez	619	C	2025-11-04 02:59:22
2	Feng Jiang	641	C	2015-10-04 06:43:00
3	Mirel Cosulschi	663	C	2025-05-29 14:02:43
4	Dan Anderson	692	C	2017-02-21 21:53:20
5	Tomáš Drtina	774	C	2015-10-03 22:22:14
6	Pim Heeman	851	C	2020-05-06 11:05:03
7	Ibrahim Younas, Mr	855	C	2023-10-21 17:06:33
8	Yifan Xu	1203	C	2017-12-29 22:25:47
9	Ivan Petrov	1519	C	2019-10-08 11:30:42

#	User	Length	Language	Date
1	Krzysiek Staszak	1040	C#	2015-11-19 22:41:09
2	Kalyan Balla	2633	C#	2015-11-10 21:26:22
3	Ilia Volkov	6277	C#	2016-10-16 08:55:13

#	User	Length	Language	Date
1	Thiên Tài Zero	312	C++	2016-11-22 06:49:15
2	Aryan Chaturvedi	353	C++	2023-10-20 19:24:30
3	Zane Yu	359	C++	2019-02-04 04:08:25
4	Victor Colombo	371	C++	2015-10-03 20:46:24
5	Hong Tang Vo	371	C++	2016-11-21 13:39:00
6	Hongbo Zhang	377	C++	2015-10-03 22:33:19
7	Marie Li Chionis	390	C++	2024-11-10 00:09:15
8	Yuanhao Wei	394	C++	2016-09-17 21:49:52
9	Abd-El-Aziz Zayed	397	C++	2023-10-21 05:01:58
10	Imax Blue	407	C++	2017-01-25 12:46:03

#	User	Length	Language	Date
1	Simon Boerwinkle	589	Java	2015-10-20 05:51:46
2	Andrew Liske	690	Java	2017-01-25 04:24:05
3	Joshua Alman	709	Java	2015-10-03 20:42:01
4	Alex Li	726	Java	2019-05-06 06:14:40
5	Darko Aleksic	756	Java	2015-10-03 22:16:58
6	Constandinos Demetriou	770	Java	2019-06-29 22:57:04
7	Quinn Minnich	820	Java	2017-03-11 16:58:00
8	Michael LoPiccolo	875	Java	2015-10-03 19:44:32
9	Brendan Cao	898	Java	2024-11-07 02:44:39
10	Darrin Wiley	913	Java	2015-10-03 19:27:55

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1226	JavaScript (SpiderMonkey)	2024-10-02 06:15:55
2	Bjørn Chr. Soltvedt	1637	JavaScript (SpiderMonkey)	2025-05-27 01:39:57

#	User	Length	Language	Date
1	Jacob Huebner	1640	Kotlin	2022-01-12 05:13:17

#	User	Length	Language	Date
1	Neal Zane	305	Python 2	2016-07-23 04:08:29
2	Tien Vu	342	Python 2	2015-10-16 03:56:08
3	Hidden user	395	Python 2	2017-08-12 11:16:12
4	Ted Ying	487	Python 2	2015-10-03 22:10:06
5	Andreas Björklund	830	Python 2	2019-05-23 07:17:01
6	Lars Åström	865	Python 2	2018-07-23 23:42:25
7	Oskar Larsson	897	Python 2	2019-05-23 14:58:48
8	Hidden user	993	Python 2	2018-12-30 14:39:14
9	Mees de Vries	1080	Python 2	2019-06-03 11:25:41
10	Mehran Khodabandeh	1112	Python 2	2015-10-04 03:11:47

#	User	Length	Language	Date
1	Benjamin Z White	122	Python 3	2023-06-28 20:03:12
2	Simon Reid	148	Python 3	2022-11-13 06:28:12
3	Yong Mao	181	Python 3	2023-05-19 04:14:23
4	Ahmed Chamseddine	198	Python 3	2024-01-03 16:46:01
5	Noah Hessen Bjerke	202	Python 3	2023-11-17 11:22:22
6	Iman Khodadi	222	Python 3	2024-08-12 09:54:50
7	Nicholas Russell Saerang	224	Python 3	2024-04-27 14:54:41
8	Sander Oppen	241	Python 3	2023-11-14 11:25:52
9	Hrant Hovhannisyan	248	Python 3	2025-03-03 09:51:11
10	Hidden user	250	Python 3	2024-05-01 20:25:22

#	User	Length	Language	Date
1	Thomas Feld	80	Ruby	2023-08-29 14:51:23

#	User	Length	Language	Date
1	Vincent Lagerros	474	Rust	2025-03-06 21:26:51
2	Nathan Koppel	1977	Rust	2022-03-17 02:55:34
3	Constantijn Dekker	2194	Rust	2021-05-21 10:24:46
4	Hidden user	6861	Rust	2025-02-13 08:59:02

Solution running time distribution