Problem A
Space Mail — Problem Statistics

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Submissions	807
Accepted submissions	248
Submission ratio	30.73%
Authors	119
Full solves [?]	82
Full solve Ratio	68.91%

#	User	Runtime	Language	Date
1	Agis Daniels	0.11 s	C	2023-10-08 17:55:50
2	Bergur Snorrason	4.75 s	C	2021-10-21 10:09:18

#	User	Runtime	Language	Date
1	Jens Erik	9.49 s	C#	2025-11-18 22:36:46
2	Simon Thillemann Nielsen	9.74 s	C#	2025-11-18 23:21:49

#	User	Runtime	Language	Date
1	Ryan Tan	0.11 s	C++	2022-12-11 08:45:41
2	Agis Daniels	0.11 s	C++	2023-10-08 16:16:45
3	David Sturgill	0.11 s	C++	2025-01-06 11:30:43
4	Dmitry Lyubshin	0.12 s	C++	2023-04-28 06:04:47
5	Arnav Sastry	0.17 s	C++	2023-11-05 16:11:58
6	Tomer Sedan	0.33 s	C++	2023-09-11 00:14:30
7	Frank Wong	0.36 s	C++	2024-08-30 05:14:13
8	Andrew Polizzotto	0.38 s	C++	2024-01-22 20:59:00
9	WAHID UZ ZAMAN	0.42 s	C++	2023-09-11 00:19:29
10	Anton Kaminskyi	0.58 s	C++	2023-09-11 01:12:14

#	User	Runtime	Language	Date
1	Zach Tschetter	0.55 s	Haskell	2022-04-21 02:45:25

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.28 s	Java	2021-10-30 04:50:30
2	Sven Rönnbäck	0.41 s	Java	2023-04-28 14:34:01
3	Onorato, Estevan	0.41 s	Java	2024-03-29 01:55:41
4	USaskAdvanced1	0.46 s	Java	2023-10-07 20:39:41
5	Isaac Lee	0.52 s	Java	2021-12-29 05:03:05
6	Micah Stairs	0.65 s	Java	2021-11-27 01:15:47
7	Doug Goodman	0.85 s	Java	2021-10-25 14:17:37
8	Brent Yorgey	1.17 s	Java	2021-10-23 03:34:37
9	Emanuel Gonzalez	2.04 s	Java	2024-03-24 18:47:07
10	Eric Leow Yu Quan	2.39 s	Java	2022-03-01 02:58:47

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	9.78 s	JavaScript (SpiderMonkey)	2024-08-25 20:17:51

#	User	Runtime	Language	Date
1	Timothy Gaede	3.48 s	Julia	2025-08-02 04:22:13

#	User	Runtime	Language	Date
1	Ben Zydney	0.74 s	Kotlin	2023-09-10 23:46:35

#	User	Runtime	Language	Date
1	Agis Daniels	0.63 s	Python 3	2023-10-09 17:17:02
2	Erik Buis	0.70 s	Python 3	2021-10-20 22:15:22
3	Ryan Tan	0.88 s	Python 3	2022-12-02 14:12:11
4	UTM CS AI	0.99 s	Python 3	2024-10-02 18:51:02
5	Jiaming Kong	1.04 s	Python 3	2025-06-24 05:37:12
6	Nicholas Russell Saerang	1.19 s	Python 3	2022-03-01 14:28:27
7	Dan S	2.13 s	Python 3	2023-09-11 00:09:52
8	Christofer Ohlsson	2.64 s	Python 3	2021-10-25 06:03:10
9	Oskar Haarklou Veileborg	3.43 s	Python 3	2021-10-20 22:21:49
10	Paco Criado	4.42 s	Python 3	2025-01-01 23:27:28

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.09 s	Rust	2025-08-22 03:10:16
2	Felix Köhler	0.10 s	Rust	2022-08-30 03:55:41

#	User	Length	Language	Date
1	Agis Daniels	2415	C	2023-10-08 17:55:50
2	Bergur Snorrason	2532	C	2021-10-21 10:09:18

#	User	Length	Language	Date
1	Jens Erik	1820	C#	2025-11-18 22:36:46
2	Simon Thillemann Nielsen	1820	C#	2025-11-18 23:21:49

#	User	Length	Language	Date
1	Lawry Sorenson	444	C++	2025-05-20 04:32:13
2	Teikn Smith	740	C++	2024-10-05 00:07:50
3	Dmitry Lyubshin	813	C++	2023-04-28 06:04:47
4	Armen Andreasyan	1066	C++	2022-01-09 16:02:48
5	Vladyslav Myskiv	1125	C++	2023-09-10 23:22:09
6	Arnav Sastry	1233	C++	2023-11-05 16:11:58
7	Atli Fannar Franklín	1267	C++	2022-03-18 16:54:16
8	Thanh-Phuong Tran	1269	C++	2022-02-18 20:55:08
9	Tomer Sedan	1270	C++	2023-09-11 00:14:30
10	Heehyun Park	1278	C++	2023-09-06 03:06:35

#	User	Length	Language	Date
1	Zach Tschetter	1169	Haskell	2022-04-20 21:15:55

#	User	Length	Language	Date
1	Doug Goodman	1263	Java	2021-10-25 14:17:37
2	Crystal Sharpe	1523	Java	2021-10-30 04:50:30
3	Josh Henderson	1650	Java	2022-04-19 02:22:31
4	Isaac Lee	1941	Java	2021-12-29 05:03:05
5	Micah Stairs	2478	Java	2021-11-27 01:15:47
6	Bob Smith	2758	Java	2024-08-17 22:40:52
7	USaskAdvanced1	2792	Java	2023-10-07 20:39:41
8	Finn Lidbetter	2853	Java	2023-09-17 18:47:22
9	Onorato, Estevan	3002	Java	2024-03-29 01:55:41
10	Hidden user	3419	Java	2024-08-17 23:07:28

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1487	JavaScript (SpiderMonkey)	2024-08-25 20:14:14

#	User	Length	Language	Date
1	Timothy Gaede	2018	Julia	2025-10-17 05:14:00

#	User	Length	Language	Date
1	Ben Zydney	1181	Kotlin	2023-09-10 23:46:35

#	User	Length	Language	Date
1	Paul Wild	451	Python 3	2023-03-31 22:59:21
2	Agis Daniels	786	Python 3	2023-10-08 15:29:49
3	Kadriye Yildiz	854	Python 3	2024-08-24 17:34:24
4	Oskar Haarklou Veileborg	906	Python 3	2021-10-20 22:21:49
5	Christofer Ohlsson	1119	Python 3	2021-10-25 06:03:10
6	Ryan Tan	1177	Python 3	2022-12-02 14:12:11
7	Paco Criado	1184	Python 3	2025-01-01 23:27:28
8	Erik Buis	1195	Python 3	2021-10-20 22:15:22
9	Hidden user	1204	Python 3	2023-09-10 22:49:56
10	Pallavi Das	1204	Python 3	2023-09-11 00:10:37

#	User	Length	Language	Date
1	Felix Köhler	1434	Rust	2022-08-30 03:55:41
2	Vincent Lagerros	66450	Rust	2025-08-21 14:40:50

Solution running time distribution