Problem A
Haunted Graveyard — Problem Statistics

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Submissions	7156
Accepted submissions	1004
Submission ratio	14.03%
Authors	1092
Full solves [?]	619
Full solve Ratio	56.68%

#	User	Runtime	Language	Date
1	Yang Jihun	0.06 s	C	2025-11-25 15:59:02
2	김성수/AI·소프트웨어학부(인공지능전공)	0.07 s	C	2025-11-21 11:39:52
3	최지원/AI·소프트웨어학부(인공지능전공)	0.07 s	C	2025-11-21 13:05:55
4	김다빈	0.07 s	C	2025-11-21 20:05:33
5	이은우	0.07 s	C	2025-11-23 04:50:45
6	김현우/AI·소프트웨어학부(인공지능전공)	0.07 s	C	2025-11-25 09:56:34
7	이세범	0.07 s	C	2025-11-25 13:26:03
8	최인화/도시계획·조경학부	0.07 s	C	2025-11-25 13:38:00
9	이지태/AI·소프트웨어학부(인공지능전공)	0.07 s	C	2025-11-25 14:27:40
10	이재훈/AI·소프트웨어학부(인공지능전공)	0.07 s	C	2025-11-25 14:50:54

#	User	Runtime	Language	Date
1	Apurav Khare	0.84 s	C#	2021-11-08 23:43:02

#	User	Runtime	Language	Date
1	Modak Shantanu Bharat	0.02 s	C++	2019-11-28 04:02:43
2	Mohammed Alrefaei	0.02 s	C++	2020-07-10 17:24:43
3	Hunter Finch	0.03 s	C++	2024-04-02 21:24:23
4	Jeremy Lim	0.03 s	C++	2024-04-03 15:44:04
5	Hidden user	0.04 s	C++	2020-07-09 22:56:26
6	Oskar Haarklou Veileborg	0.05 s	C++	2020-09-01 15:02:57
7	Yifan Sun	0.05 s	C++	2021-03-29 17:39:50
8	Flavius Abel Ciapsa	0.05 s	C++	2022-12-30 14:01:15
9	Alberto Verdejo	0.05 s	C++	2023-03-30 05:58:37
10	Sander Oppen	0.05 s	C++	2024-09-12 10:11:13

#	User	Runtime	Language	Date
1	Michael Rubinstein	0.13 s	Go	2025-11-09 19:56:30
2	Nathan Lee	0.13 s	Go	2025-11-09 19:58:33

#	User	Runtime	Language	Date
1	Brent Yorgey	0.15 s	Java	2020-08-03 00:36:51
2	Rene Argento	0.23 s	Java	2024-02-07 15:59:15
3	Jason X	0.28 s	Java	2025-02-15 05:27:16
4	Anjie Liu	0.28 s	Java	2025-02-22 05:49:05
5	Domingo Ruiz-Tagle	0.28 s	Java	2025-07-04 23:37:07
6	노소연/AI·소프트웨어학부(인공지능전공)	0.28 s	Java	2025-11-24 16:01:22
7	Jino Angelo T. Escala	0.31 s	Java	2023-05-19 07:18:52
8	Aliza Mae Maquinana	0.31 s	Java	2023-08-01 05:54:50
9	Althea Danielle Mujar	0.31 s	Java	2023-08-09 10:03:31
10	Ericka Kyle Rojas	0.31 s	Java	2023-08-12 14:40:28

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.37 s	JavaScript (SpiderMonkey)	2023-10-15 21:58:49

#	User	Runtime	Language	Date
1	Hidden user	0.83 s	Python 2	2017-04-11 23:21:04
2	Dhruv Patel	0.88 s	Python 2	2022-05-05 10:13:52
3	Sehun Joo	0.89 s	Python 2	2022-05-05 10:14:53

#	User	Runtime	Language	Date
1	Blake Herrera	0.40 s	Python 3	2022-11-13 07:13:24
2	miguel boutaud	0.76 s	Python 3	2025-11-19 07:03:32
3	Alex KA	0.80 s	Python 3	2024-12-05 00:43:22
4	Andre double u	0.81 s	Python 3	2023-04-09 03:11:30
5	최인화/도시계획·조경학부	0.81 s	Python 3	2025-11-24 15:36:58
6	Tianqin Chu	0.83 s	Python 3	2025-05-11 23:21:15
7	Nicholas Shenk	0.86 s	Python 3	2024-12-05 02:59:04
8	Andreas Björklund	0.88 s	Python 3	2022-09-03 10:56:45
9	Lennon Shikhman	0.88 s	Python 3	2024-12-03 20:03:50
10	Ryuki Kobayashi	0.89 s	Python 3	2021-04-04 06:54:50

#	User	Length	Language	Date
1	최진범/AI·소프트웨어학부(인공지능전공)	1496	C	2025-11-25 16:37:00
2	최민서	1591	C	2025-11-25 15:04:27
3	허경회/AI·소프트웨어학부(인공지능전공)	2104	C	2025-11-25 10:53:19
4	김다연/도시계획·조경학부	2304	C	2025-11-24 05:08:29
5	이재훈/AI·소프트웨어학부(인공지능전공)	2425	C	2025-11-25 14:50:54
6	김다빈	2461	C	2025-11-21 20:05:33
7	Wonki Rhee	2472	C	2025-11-25 08:54:48
8	Hyukjin Jang	2716	C	2025-11-24 17:10:30
9	김지현/AI·소프트웨어학부(인공지능전공)	2753	C	2025-11-24 09:04:54
10	박소연/AI·소프트웨어학부(인공지능전공)	2773	C	2025-11-19 13:01:42

#	User	Length	Language	Date
1	Apurav Khare	8736	C#	2021-11-08 23:43:02

#	User	Length	Language	Date
1	Dmitry Lyubshin	1299	C++	2023-07-01 22:34:02
2	Hyunjun Lee	1437	C++	2023-06-25 16:38:14
3	Pranav Krishnan	1446	C++	2024-04-04 22:20:27
4	Hidden user	1468	C++	2024-09-26 18:04:45
5	Intae Ryoo	1506	C++	2018-10-05 06:28:59
6	Sid	1532	C++	2022-09-12 02:02:21
7	Sreepranad Devarakonda	1532	C++	2022-12-27 03:34:38
8	Roger Chen	1532	C++	2023-01-20 18:41:08
9	Daniel Bordeianu	1532	C++	2023-03-28 17:23:56
10	Shivabalan Balathandayuthapani	1532	C++	2023-09-22 03:38:26

#	User	Length	Language	Date
1	Michael Rubinstein	4179	Go	2025-11-09 19:52:46
2	Nathan Lee	4620	Go	2025-11-09 19:58:33

#	User	Length	Language	Date
1	익명	2605	Java	2025-11-25 09:45:53
2	Frederick Pek	2699	Java	2021-03-06 12:30:18
3	김현구	3065	Java	2025-11-26 01:58:45
4	Kien Pham	3101	Java	2021-09-16 23:58:04
5	Magnar Myrtveit	3114	Java	2015-05-04 19:01:31
6	Aurko Routh	3228	Java	2024-04-08 06:38:15
7	나명준/심리학과	3468	Java	2025-11-25 18:01:37
8	Yash Karandikar	3775	Java	2025-02-12 23:40:11
9	Camilo Perez Osorio (Alumno)	3812	Java	2024-11-22 06:03:49
10	Kiran Babu Chandrasekhar	3852	Java	2023-02-10 06:48:36

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	5324	JavaScript (SpiderMonkey)	2023-10-15 21:58:49

#	User	Length	Language	Date
1	Hidden user	1830	Python 2	2017-04-11 23:21:04
2	Sehun Joo	4424	Python 2	2022-05-05 10:14:53
3	Dhruv Patel	4494	Python 2	2022-05-05 10:13:52

#	User	Length	Language	Date
1	Sander Oppen	894	Python 3	2024-09-12 10:23:21
2	Andreas Björklund	1217	Python 3	2022-09-03 10:56:45
3	Mattias Davidsson	1692	Python 3	2024-07-26 13:45:54
4	Mattias Davidsson	1693	Python 3	2024-07-26 13:39:35
5	Lennon Shikhman	1694	Python 3	2024-12-03 20:03:50
6	Alex KA	1743	Python 3	2024-12-05 00:43:22
7	Nicholas Shenk	1947	Python 3	2024-12-05 02:59:04
8	Andre double u	1975	Python 3	2023-04-09 03:11:30
9	최인화/도시계획·조경학부	1994	Python 3	2025-11-24 15:36:58
10	Tianqin Chu	2036	Python 3	2025-05-11 23:21:15

Solution running time distribution