Problem A
N-sum — Problem Statistics

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Submissions	1045
Accepted submissions	522
Submission ratio	49.95%
Authors	488
Full solves [?]	487
Full solve Ratio	99.80%

#	User	Runtime	Language	Date
1	Nathan Andrews	0.04 s	C#	2024-08-20 21:50:08

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	C++ with Memory Check	2025-01-16 04:47:34
2	Andrey Pridgen	0.01 s	C++ with Memory Check	2026-01-15 20:19:45
3	Hidden user	0.01 s	C++ with Memory Check	2026-01-16 18:02:08

#	User	Runtime	Language	Date
1	Nathan Lee	0.00 s	Go	2025-08-26 18:32:53
2	Gage Howe	0.00 s	Go	2025-08-26 18:46:47

#	User	Runtime	Language	Date
1	Kevin Lei	0.00 s	Haskell	2025-01-14 18:40:00

#	User	Runtime	Language	Date
1	Mark Sturtevant	0.06 s	Java	2022-01-20 07:38:29
2	Fabio Cedric	0.08 s	Java	2025-08-26 23:34:43
3	Jeffrey Formica	0.09 s	Java	2023-01-21 04:00:36
4	Kevin Dai	0.09 s	Java	2024-01-17 22:11:23
5	An Quoc Duong	0.09 s	Java	2024-01-17 22:12:21
6	Bryan Lijia Yan	0.09 s	Java	2024-01-18 23:23:20
7	Hidden user	0.10 s	Java	2022-01-22 19:26:22
8	Vatsal Mistry	0.10 s	Java	2023-01-19 00:36:41
9	Alan Perez	0.10 s	Java	2023-01-19 01:45:51
10	Rohan Talluri	0.10 s	Java	2023-01-19 17:44:37

#	User	Runtime	Language	Date
1	Siddharth Sundar	0.03 s	Python 2	2022-01-21 02:26:49
2	Kunal Gupta	0.03 s	Python 2	2022-01-21 02:49:42

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Python 3	2023-01-19 00:22:12
2	Hidden user	0.04 s	Python 3	2023-01-19 06:09:05
3	Adil Rasiyani	0.04 s	Python 3	2023-01-19 07:20:51
4	Karanja Evans	0.04 s	Python 3	2023-01-19 07:51:54
5	Mihiran Pandey	0.04 s	Python 3	2023-01-19 17:15:51
6	Oluwatosin Segun	0.04 s	Python 3	2023-01-20 02:15:29
7	Anh Nguyen	0.04 s	Python 3	2023-01-20 03:16:43
8	Hidden user	0.04 s	Python 3	2023-01-20 16:06:28
9	Jash Choksi	0.04 s	Python 3	2023-01-20 20:23:00
10	Casey Quinn	0.04 s	Python 3	2023-01-20 20:42:31

#	User	Runtime	Language	Date
1	William Park	0.04 s	Python 3 with NumPy	2023-01-19 16:35:43
2	Raphael	0.04 s	Python 3 with NumPy	2025-08-26 23:09:43
3	Ryan Coffman	0.04 s	Python 3 with NumPy	2026-01-14 00:05:44
4	Aakash Haran	0.05 s	Python 3 with NumPy	2023-01-19 18:11:37
5	Macy Drew	0.05 s	Python 3 with NumPy	2023-01-20 20:58:18
6	Samuel Smith	0.05 s	Python 3 with NumPy	2023-01-22 04:44:43
7	Hidden user	0.05 s	Python 3 with NumPy	2024-01-17 22:24:43
8	Hidden user	0.58 s	Python 3 with NumPy	2023-01-19 00:05:16

#	User	Runtime	Language	Date
1	Mckinley Xie	0.00 s	Rust	2025-01-14 16:36:25
2	Matthew Staton	0.00 s	Rust	2025-08-26 21:18:09
3	Otokini Cotterell	0.00 s	Rust	2026-01-16 06:34:18

#	User	Length	Language	Date
1	Nathan Andrews	251	C#	2024-08-20 21:50:08

#	User	Length	Language	Date
1	Peter Just	152	C++	2023-01-19 18:17:40
2	Ankith Pillay	168	C++	2022-01-21 04:29:43
3	Michael Norman	171	C++	2023-01-19 19:48:37
4	Seethalakshmi Senthilnathan	175	C++	2022-01-21 18:23:18
5	Michael Taylor	177	C++	2025-08-26 18:12:14
6	Jeremy Spotts	186	C++	2022-01-21 18:05:02
7	Connor Callan	187	C++	2023-01-19 06:16:36
8	Saket Gayake	188	C++	2022-01-21 19:21:35
9	Youran Shen	188	C++	2026-01-25 02:09:48
10	Hidden user	189	C++	2022-01-21 08:30:10

#	User	Length	Language	Date
1	Andrey Pridgen	217	C++ with Memory Check	2026-01-15 20:19:45
2	Hidden user	239	C++ with Memory Check	2026-01-16 18:02:08
3	Hidden user	379	C++ with Memory Check	2025-01-16 04:47:34

#	User	Length	Language	Date
1	Gage Howe	390	Go	2025-08-26 18:46:47
2	Nathan Lee	412	Go	2025-08-26 18:32:53

#	User	Length	Language	Date
1	Kevin Lei	103	Haskell	2025-01-14 18:40:00

#	User	Length	Language	Date
1	Kevin Dai	286	Java	2024-01-17 22:11:23
2	Alan Perez	289	Java	2023-01-19 01:45:51
3	Bryan Lijia Yan	313	Java	2024-01-18 23:23:20
4	An Quoc Duong	339	Java	2024-01-17 22:12:21
5	Dexter White	349	Java	2023-01-20 18:40:48
6	Jeffrey Formica	362	Java	2023-01-21 04:00:36
7	Fabio Cedric	364	Java	2025-08-26 23:34:43
8	Vatsal Mistry	373	Java	2023-01-19 00:36:41
9	Rohan Talluri	407	Java	2023-01-19 17:44:37
10	Hidden user	976	Java	2022-01-22 19:27:27

#	User	Length	Language	Date
1	Kunal Gupta	143	Python 2	2022-01-21 02:49:42
2	Siddharth Sundar	263	Python 2	2022-01-21 02:26:49

#	User	Length	Language	Date
1	Hidden user	44	Python 3	2023-02-10 07:33:01
2	Jeremy Eastham	44	Python 3	2025-01-16 23:41:25
3	Steven	45	Python 3	2024-01-21 01:18:49
4	Hidden user	45	Python 3	2025-01-15 04:02:47
5	Hidden user	45	Python 3	2026-01-13 01:21:32
6	Adil Rasiyani	46	Python 3	2022-01-20 21:30:42
7	Sami Melhem	49	Python 3	2025-01-16 16:00:35
8	Hidden user	49	Python 3	2026-01-23 01:30:48
9	Montgomery Bohde	51	Python 3	2024-01-17 21:33:51
10	Alex Zhang	54	Python 3	2025-01-14 01:31:22

#	User	Length	Language	Date
1	Ryan Coffman	61	Python 3 with NumPy	2026-01-14 00:05:44
2	William Park	65	Python 3 with NumPy	2023-01-19 16:35:43
3	Raphael	93	Python 3 with NumPy	2025-08-26 23:09:43
4	Aakash Haran	97	Python 3 with NumPy	2023-01-19 18:14:15
5	Hidden user	101	Python 3 with NumPy	2023-01-19 00:05:16
6	Macy Drew	111	Python 3 with NumPy	2023-01-20 20:58:18
7	Hidden user	163	Python 3 with NumPy	2024-01-17 22:24:43
8	Samuel Smith	166	Python 3 with NumPy	2023-01-22 04:44:43

#	User	Length	Language	Date
1	Matthew Staton	529	Rust	2025-08-26 21:18:09
2	Otokini Cotterell	584	Rust	2026-01-16 06:34:18
3	Mckinley Xie	749	Rust	2025-01-14 16:36:25

Solution running time distribution