Problem I
Perfect Skyline — Problem Statistics

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Submissions	506
Accepted submissions	159
Submission ratio	31.42%
Authors	133
Full solves [?]	110
Full solve Ratio	82.71%

#	User	Runtime	Language	Date
1	chirurg	0.06 s	Java	2025-03-26 23:01:01
2	Bjørn Dons	0.11 s	Java	2023-06-29 21:03:19
3	Ivan Marriott	0.11 s	Java	2024-10-14 05:10:05
4	Crystal Sharpe	0.12 s	Java	2021-02-08 18:31:06
5	Ahmad Barhamje	0.12 s	Java	2023-11-24 23:45:35
6	Mariel Nicole Allorde	0.13 s	Java	2023-08-06 07:26:31
7	Crisha Mae Estellore	0.13 s	Java	2023-08-08 03:25:20
8	Ng Wee Han	0.24 s	Java	2022-09-02 17:33:48
9	Benjamin Reidys	0.73 s	Java	2021-08-17 21:13:10
10	Hidden user	1.28 s	Java	2022-10-05 08:46:30

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.05 s	JavaScript (SpiderMonkey)	2021-02-10 18:54:31

#	User	Runtime	Language	Date
1	Timothy Gaede	0.71 s	Julia	2026-01-14 18:27:26

#	User	Runtime	Language	Date
1	Andreas Björklund	3.60 s	Python 2	2021-12-29 20:35:59

#	User	Runtime	Language	Date
1	Guo Yichao	0.07 s	Python 3	2022-08-20 20:32:17
2	Hidden user	0.07 s	Python 3	2026-02-15 03:57:20
3	Teoh Jun Jie	0.08 s	Python 3	2022-08-20 23:29:52
4	Kadriye Yildiz	0.09 s	Python 3	2024-08-24 21:44:25
5	Chen Hao	0.10 s	Python 3	2022-08-25 16:03:54
6	Pang Yuan Ker	0.10 s	Python 3	2022-09-01 14:22:07
7	Ruan Bo Kai	0.11 s	Python 3	2022-08-20 18:23:22
8	Doug Goodman	0.11 s	Python 3	2025-03-08 20:00:23
9	Nicholas Russell Saerang	0.14 s	Python 3	2023-09-03 21:06:24
10	Zhang Grace Jia Yi	0.35 s	Python 3	2022-08-28 06:41:22

#	User	Length	Language	Date
1	Dmitry Lyubshin	921	C++	2023-06-01 05:16:05
2	พุฒิเศรษฐ์ him him him	1070	C++	2025-03-03 04:40:55
3	Hidden user	1151	C++	2021-02-09 16:07:03
4	Lee Zheng Han	1174	C++	2022-08-26 14:33:35
5	Al Vince Madrilejos	1230	C++	2023-08-07 06:15:01
6	Maharaj Mithu	1230	C++	2024-01-14 07:22:54
7	Hidden user	1237	C++	2024-03-02 14:13:28
8	Donald Dong	1293	C++	2022-04-02 06:19:30
9	Li Shuo	1299	C++	2022-03-19 15:41:09
10	Vu Hoang Kien	1312	C++	2022-03-15 14:56:31

#	User	Length	Language	Date
1	Crisha Mae Estellore	1808	Java	2023-08-08 03:25:20
2	Mariel Nicole Allorde	1809	Java	2023-08-06 07:26:31
3	Benjamin Reidys	2825	Java	2021-08-17 21:13:10
4	Crystal Sharpe	2961	Java	2021-02-08 18:31:06
5	chirurg	3312	Java	2025-03-26 23:01:01
6	Ahmad Barhamje	4258	Java	2023-11-24 23:45:35
7	Hidden user	4274	Java	2022-10-05 08:46:30
8	Kevin Lim Yong Shen	4792	Java	2022-03-18 09:16:12
9	Ivan Marriott	5431	Java	2024-10-14 05:10:05
10	Ng Wee Han	5644	Java	2022-09-02 17:33:48

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	1216	JavaScript (SpiderMonkey)	2021-02-10 18:33:10

#	User	Length	Language	Date
1	Timothy Gaede	2019	Julia	2026-01-14 18:27:26

#	User	Length	Language	Date
1	Andreas Björklund	1112	Python 2	2021-12-29 20:35:59

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	652	Python 3	2021-02-10 09:26:58
2	Nicholas Russell Saerang	666	Python 3	2023-09-03 21:07:50
3	alexandre dewilde	977	Python 3	2023-12-31 11:11:42
4	Kadriye Yildiz	980	Python 3	2024-08-26 14:12:20
5	Doug Goodman	1503	Python 3	2025-03-08 20:00:23
6	Zhang Grace Jia Yi	1518	Python 3	2022-08-28 06:41:22
7	Chen Hao	1655	Python 3	2022-08-25 16:03:54
8	Pang Yuan Ker	1671	Python 3	2022-09-01 14:22:07
9	Ruan Bo Kai	1744	Python 3	2022-08-20 18:23:22
10	Hidden user	1935	Python 3	2026-02-15 03:57:20

Solution running time distribution