Problem A
Greeting Card — Problem Statistics

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Submissions	4797
Accepted submissions	1474
Submission ratio	30.73%
Authors	1503
Accepted authors	1100
Author ratio	73.19%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.09 s	C	2018-10-03 16:40:14
2	Ivan Petrov	2.01 s	C	2019-07-24 09:36:25

#	User	Runtime	Language	Date
1	Emiel Duys	0.24 s	C#	2018-03-14 00:12:32
2	Hidden user	0.44 s	C#	2017-10-07 21:54:41
3	Jasmin Baniya	0.49 s	C#	2020-01-18 22:11:55

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.04 s	C++	2017-11-07 01:57:33
2	Tiancheng Jin	0.05 s	C++	2017-10-07 19:19:50
3	Hans Tananda	0.05 s	C++	2019-07-06 12:17:05
4	Francisco Carvajal	0.05 s	C++	2023-06-22 05:35:01
5	Albert Gural	0.06 s	C++	2017-10-07 19:38:20
6	Hidden user	0.06 s	C++	2018-08-20 18:14:29
7	Ron Ryvchin	0.06 s	C++	2021-09-16 20:28:48
8	Refki Alfarizi	0.06 s	C++	2024-08-14 13:09:39
9	Laurence Liu	0.07 s	C++	2017-11-04 22:27:13
10	Steven Halim	0.07 s	C++	2018-07-20 11:04:05

#	User	Runtime	Language	Date
1	Hidden user	0.24 s	Common Lisp	2019-06-26 10:45:00

#	User	Runtime	Language	Date
1	Mas Eka Setiawan	0.24 s	Go	2023-10-29 16:39:06
2	Pandhu Hutomo Aditya	0.30 s	Go	2023-10-29 04:30:04
3	Husain Satan	0.49 s	Go	2023-11-02 08:06:45
4	Hidden user	2.50 s	Go	2023-10-28 06:18:26
5	Hidden user	2.51 s	Go	2023-10-28 06:21:03

#	User	Runtime	Language	Date
1	Brent Yorgey	0.80 s	Haskell	2018-12-29 03:15:36
2	Rudy Matela	1.51 s	Haskell	2024-10-03 14:45:39
3	Hidden user	2.84 s	Haskell	2023-06-05 09:40:02

#	User	Runtime	Language	Date
1	UBC UBC	0.30 s	Java	2017-10-07 20:45:20
2	Emil Bak-Møller	0.37 s	Java	2020-03-31 18:29:21
3	Mohideen Imran Khan	0.41 s	Java	2018-06-19 10:55:50
4	Akshay Gupta	0.43 s	Java	2017-12-09 21:00:43
5	Sam Reinehr	0.44 s	Java	2019-10-12 22:07:33
6	Bjørn Dons	0.44 s	Java	2020-04-25 20:02:21
7	Daniel Moyer	0.45 s	Java	2017-10-07 20:43:30
8	Daniel Chen	0.45 s	Java	2017-10-07 20:52:33
9	Nathaniel Lahn	0.46 s	Java	2017-10-14 02:41:53
10	Qi Ji	0.47 s	Java	2018-07-23 07:54:19

#	User	Runtime	Language	Date
1	Christian Cederquist	1.06 s	JavaScript (SpiderMonkey)	2023-07-03 21:54:03
2	Bjørn Chr. Soltvedt	2.36 s	JavaScript (SpiderMonkey)	2024-10-16 21:01:55
3	Kuilin Li	2.42 s	JavaScript (SpiderMonkey)	2017-10-07 21:43:01

#	User	Runtime	Language	Date
1	Noszály Csaba	0.61 s	Julia	2025-02-27 19:32:45

#	User	Runtime	Language	Date
1	Phường Lên	0.67 s	Kotlin	2020-07-27 19:52:03
2	Adam Rankin	0.71 s	Kotlin	2023-09-16 22:56:39
3	Adam Koprowski	0.73 s	Kotlin	2020-08-29 23:11:13
4	Johnny Baloney	0.73 s	Kotlin	2022-01-15 19:18:51
5	Jacob Huebner	0.91 s	Kotlin	2022-01-27 07:22:25

#	User	Runtime	Language	Date
1	Øyvind Haarberg	0.18 s	Python 2	2018-10-17 17:57:58
2	Samuel Li	0.19 s	Python 2	2017-10-07 21:44:48
3	Namgun Kim	0.19 s	Python 2	2017-10-09 01:30:05
4	Eric Ge	0.19 s	Python 2	2019-09-22 01:09:28
5	Jianfeng Chen	0.20 s	Python 2	2017-10-15 21:24:27
6	Thomas Feld	0.22 s	Python 2	2020-06-23 09:44:52
7	Haochen Chen	0.23 s	Python 2	2017-10-07 18:51:58
8	Anna Nguyen	0.23 s	Python 2	2017-10-07 19:08:13
9	Björn Magnusson	0.23 s	Python 2	2021-11-16 13:53:13
10	David Long	0.25 s	Python 2	2017-10-07 21:54:49

#	User	Runtime	Language	Date
1	Raymond Christopher	0.18 s	Python 3	2023-10-28 05:35:36
2	Ryan Tan	0.19 s	Python 3	2023-06-25 11:11:12
3	Josh Taylor	0.20 s	Python 3	2022-08-12 17:33:53
4	Tan Yi Long	0.20 s	Python 3	2023-12-22 08:22:15
5	Daniel Zhang	0.20 s	Python 3	2024-09-21 23:37:22
6	Mahmood Abotoq	0.20 s	Python 3	2025-06-02 13:36:18
7	Marius Johnstad	0.21 s	Python 3	2024-10-07 23:35:01
8	Rajul Srivastava	0.22 s	Python 3	2022-07-16 18:08:47
9	Muhammad Ilham Hidayat	0.22 s	Python 3	2023-10-29 09:03:16
10	Hidden user	0.22 s	Python 3	2023-10-31 12:50:59

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.02 s	Rust	2024-08-03 02:36:16
2	Francisco Carvajal	0.05 s	Rust	2023-06-22 06:24:29
3	Muhammad Fairuzi Teguh	0.08 s	Rust	2022-02-12 07:12:34
4	Reis Faar	0.08 s	Rust	2023-09-12 06:52:22
5	Pahlevi Fikri Auliya	0.64 s	Rust	2020-11-01 12:09:51

#	User	Length	Language	Date
1	Ivan Petrov	1185	C	2019-07-24 09:36:25
2	Bergur Snorrason	4322	C	2018-10-03 16:40:14

#	User	Length	Language	Date
1	Emiel Duys	3077	C#	2018-03-14 00:12:32
2	Jasmin Baniya	3482	C#	2020-01-18 22:11:55
3	Hidden user	5548	C#	2017-10-07 21:54:41

#	User	Length	Language	Date
1	a_b__c	524	C++	2021-03-05 10:11:59
2	William Gan	525	C++	2017-11-22 17:45:36
3	Haojun Ma	534	C++	2018-09-27 05:56:42
4	Haomin Long	536	C++	2017-10-07 18:54:29
5	Matias Nova Baza	549	C++	2023-12-27 22:14:28
6	Ragur Krishnan	554	C++	2018-10-03 16:03:50
7	Jerrell Ezralemuel	562	C++	2018-07-07 13:07:55
8	Daniel Rasmussen	564	C++	2024-02-18 22:15:41
9	Choi Min Suk	566	C++	2021-06-25 17:09:07
10	Andreas Grigorjew	568	C++	2019-01-12 03:53:11

#	User	Length	Language	Date
1	Hidden user	1465	Common Lisp	2019-06-26 10:16:13

#	User	Length	Language	Date
1	Hidden user	702	Go	2023-10-28 06:20:20
2	Hidden user	718	Go	2023-10-28 06:21:03
3	Mas Eka Setiawan	853	Go	2023-10-29 16:39:06
4	Husain Satan	1128	Go	2023-11-02 08:06:45
5	Pandhu Hutomo Aditya	1364	Go	2023-10-29 04:30:04

#	User	Length	Language	Date
1	Hidden user	797	Haskell	2023-06-05 09:40:02
2	Brent Yorgey	1133	Haskell	2018-12-29 03:15:36
3	Rudy Matela	1511	Haskell	2024-10-03 14:45:39

#	User	Length	Language	Date
1	Peter Steele	743	Java	2017-10-07 19:41:42
2	Thomas Barnette	798	Java	2017-10-07 19:23:48
3	Jiru Xu	837	Java	2017-10-10 11:54:20
4	Doug Goodman	838	Java	2017-10-08 19:13:26
5	Hidden user	849	Java	2018-10-17 03:41:51
6	ZhiQiang Qiu	942	Java	2017-10-07 20:11:36
7	Michael Liu	960	Java	2018-06-26 01:45:53
8	Hidden user	960	Java	2021-10-24 06:47:13
9	Liang Lyu	967	Java	2017-10-07 20:14:41
10	Abdelrahman Mokbel	970	Java	2022-10-03 04:25:03

#	User	Length	Language	Date
1	Christian Cederquist	908	JavaScript (SpiderMonkey)	2023-07-03 21:54:03
2	Kuilin Li	987	JavaScript (SpiderMonkey)	2017-10-07 21:46:42
3	Bjørn Chr. Soltvedt	1009	JavaScript (SpiderMonkey)	2024-10-16 21:01:55

#	User	Length	Language	Date
1	Noszály Csaba	558	Julia	2025-02-27 19:32:45

#	User	Length	Language	Date
1	Adam Koprowski	902	Kotlin	2020-08-29 23:11:13
2	Jacob Huebner	973	Kotlin	2022-01-27 07:22:25
3	Johnny Baloney	1020	Kotlin	2022-01-15 19:18:51
4	Adam Rankin	1067	Kotlin	2023-09-16 22:56:39
5	Phường Lên	1574	Kotlin	2020-07-27 19:52:03

#	User	Length	Language	Date
1	Thomas Feld	248	Python 2	2020-06-23 09:44:52
2	Eric Ge	374	Python 2	2019-09-22 01:09:28
3	Martin Wan	422	Python 2	2018-09-11 17:19:38
4	Daniel Strizhevsky	430	Python 2	2017-10-07 21:54:02
5	Namgun Kim	440	Python 2	2017-10-09 01:30:05
6	Björn Magnusson	476	Python 2	2021-11-16 13:53:13
7	Hidden user	490	Python 2	2017-10-07 19:05:47
8	Matthew Dippel	520	Python 2	2017-10-07 22:11:46
9	Haggai Liu	529	Python 2	2017-10-07 22:58:12
10	Justin Middleton	539	Python 2	2017-10-07 22:42:12

#	User	Length	Language	Date
1	Ahmed Chamseddine	211	Python 3	2024-02-08 17:01:21
2	Benjamin Z White	215	Python 3	2023-04-01 21:33:20
3	Nicholas Russell Saerang	238	Python 3	2023-06-24 18:21:12
4	Thibault Raffaillac	250	Python 3	2020-02-25 23:20:52
5	Francisco Carvajal	256	Python 3	2023-06-22 06:59:22
6	Hidden user	290	Python 3	2020-04-25 21:51:44
7	Hidden user	294	Python 3	2023-08-24 04:20:56
8	Lennart Meyling	304	Python 3	2024-01-13 18:46:37
9	Thomas Neill	351	Python 3	2022-12-23 02:31:18
10	Fred Bloggs	353	Python 3	2019-03-22 08:44:48

#	User	Length	Language	Date
1	Francisco Carvajal	1061	Rust	2023-06-22 06:24:29
2	Reis Faar	1260	Rust	2023-09-12 06:54:57
3	Muhammad Fairuzi Teguh	2619	Rust	2022-02-12 07:12:34
4	Pahlevi Fikri Auliya	2855	Rust	2020-11-01 12:09:51
5	Vincent Lagerros	13136	Rust	2024-08-03 02:36:16

Solution running time distribution