Problem I
Leaderboard Effect — Problem Statistics

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Submissions	447
Accepted submissions	115
Submission ratio	25.73%
Authors	98
Full solves [?]	82
Full solve Ratio	83.67%

#	User	Runtime	Language	Date
1	Fernando Fonseca	0.59 s	C++	2025-05-16 19:51:14
2	Atli Fannar Franklín	0.76 s	C++	2022-06-02 12:43:40
3	Arko Banerjee	0.80 s	C++	2024-02-22 23:27:48
4	Jonathan Alexander Carrillo Cortes	1.03 s	C++	2023-01-29 04:13:09
5	Federico Glaudo	1.05 s	C++	2022-06-01 00:51:14
6	Seba Villalobos	1.07 s	C++	2022-06-07 20:50:32
7	Duc Duy Nguyen	1.08 s	C++	2022-06-01 04:32:48
8	Arnav Sastry	1.12 s	C++	2022-05-30 23:59:31
9	Yosuke Mizutani	1.13 s	C++	2024-07-25 17:48:22
10	盛宇航	1.15 s	C++	2022-06-11 12:52:03

#	User	Runtime	Language	Date
1	Stephen Royal	1.01 s	Java	2022-06-02 22:42:27
2	Isaac Lee	1.59 s	Java	2025-03-21 00:12:45

#	User	Runtime	Language	Date
1	Jacob Huebner	0.90 s	Kotlin	2022-06-01 03:21:34

#	User	Runtime	Language	Date
1	Fernando Fonseca	2.53 s	Python 3	2025-05-16 07:15:39
2	Kevin Liang	2.60 s	Python 3	2025-05-16 16:09:03
3	Nicholas Russell Saerang	2.71 s	Python 3	2025-03-09 18:26:08

#	User	Length	Language	Date
1	Ignacio Castellano Vega	1119	C++	2023-07-01 00:57:34
2	David Horne	1161	C++	2022-05-31 05:04:28
3	Yung Chi Li	1188	C++	2023-05-14 01:21:54
4	Jeremy Lim	1255	C++	2025-04-22 15:44:56
5	Emanuel Silva	1301	C++	2023-02-02 21:41:54
6	Hidden user	1336	C++	2022-10-02 06:21:34
7	sb sb	1358	C++	2023-05-20 23:13:38
8	Felipe Chen Wu	1398	C++	2023-01-28 22:08:06
9	Xusheng Zhi	1420	C++	2025-10-25 22:12:44
10	Jonathan Alexander Carrillo Cortes	1431	C++	2023-01-29 04:13:09

#	User	Length	Language	Date
1	Stephen Royal	2086	Java	2022-06-02 22:38:04
2	Isaac Lee	3281	Java	2025-03-21 00:12:45

#	User	Length	Language	Date
1	Jacob Huebner	2169	Kotlin	2022-06-01 03:13:28

#	User	Length	Language	Date
1	Nicholas Russell Saerang	944	Python 3	2025-03-09 16:41:40
2	Fernando Fonseca	1083	Python 3	2025-05-16 07:15:39
3	Kevin Liang	1538	Python 3	2025-05-16 16:09:03

Solution running time distribution