Problem I
Whac-a-Mole — Problem Statistics

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Submissions	1762
Accepted submissions	415
Submission ratio	23.55%
Authors	280
Accepted authors	209
Author ratio	74.64%

#	User	Runtime	Language	Date
1	Christian Lindeström	0.06 s	C	2016-09-18 00:04:55
2	Ivan Petrov	0.07 s	C	2019-03-27 10:18:21
3	Alexander Bilde Pedersen	0.08 s	C	2024-12-22 02:19:28
4	Andreas Björklund	0.10 s	C	2018-12-01 13:38:39
5	Marcus Larsson	0.11 s	C	2013-02-17 20:06:30

#	User	Runtime	Language	Date
1	Bas te Kolste	0.54 s	C#	2015-11-21 15:14:54

#	User	Runtime	Language	Date
1	William Sjöblom	0.02 s	C++	2019-03-31 17:53:34
2	Jason Oliphant	0.02 s	C++	2024-08-11 07:48:10
3	Leif Eriksson	0.02 s	C++	2025-02-19 20:36:54
4	Auxi Avila	0.02 s	C++	2025-05-31 07:18:50
5	Hidden user	0.03 s	C++	2008-09-23 00:42:29
6	Lim Yun Kai	0.03 s	C++	2016-07-05 09:10:19
7	Qihan Wang	0.03 s	C++	2021-04-11 20:08:03
8	Boran Li	0.03 s	C++	2021-10-10 05:31:27
9	Dan Brown	0.03 s	C++	2022-03-17 22:27:36
10	Shoiab A W Mohammed	0.03 s	C++	2022-03-17 22:28:50

#	User	Runtime	Language	Date
1	Norbert Voelker	0.09 s	Go	2023-06-21 00:18:07

#	User	Runtime	Language	Date
1	Axel Lewenhaupt	0.25 s	Java	2013-02-19 12:00:24
2	Simon Klein	0.32 s	Java	2013-02-14 12:25:03
3	Lew Choon Hean	0.32 s	Java	2024-04-25 08:22:24
4	Linus Hansson	0.36 s	Java	2013-02-20 08:29:19
5	Erik Odenman	0.38 s	Java	2013-02-14 13:08:26
6	Håkan Warnquist	0.38 s	Java	2013-02-22 14:28:41
7	Hidden user	0.40 s	Java	2018-03-27 19:04:44
8	Alexandre Loiko	0.43 s	Java	2013-02-19 21:18:49
9	William Holmgren	0.46 s	Java	2020-04-02 22:43:09
10	Rikard Blixt	0.48 s	Java	2014-02-17 18:15:54

#	User	Runtime	Language	Date
1	Silas Lenz	1.88 s	Kotlin	2019-03-26 16:18:54

#	User	Runtime	Language	Date
1	Måns Magnusson	0.69 s	Python 2	2020-09-20 15:08:12
2	Björn Magnusson	1.21 s	Python 2	2021-01-22 17:22:30
3	Fredrik Horn Dannert	1.22 s	Python 2	2021-01-24 16:22:17
4	Thore Husfeldt	1.78 s	Python 2	2020-09-20 12:59:02
5	Maj Stenmark	1.78 s	Python 2	2020-09-20 14:25:41

#	User	Runtime	Language	Date
1	Tai Tze Kin	0.51 s	Python 3	2024-02-13 22:00:10
2	Thore Husfeldt	0.67 s	Python 3	2020-09-20 17:12:02
3	Måns Magnusson	0.70 s	Python 3	2020-09-20 15:30:49
4	Nicholas Kappauf	0.82 s	Python 3	2023-06-08 16:17:08
5	Nicholas Russell Saerang	0.82 s	Python 3	2024-02-12 21:33:21
6	cindy guzman	0.98 s	Python 3	2024-12-08 03:11:00
7	Anton Nilsson	0.98 s	Python 3	2025-06-08 18:53:32
8	Oskar Arensmeier	1.05 s	Python 3	2025-02-10 19:27:05
9	Jorke de Vlas	1.14 s	Python 3	2024-02-15 16:11:22
10	Cindy Zhao	1.20 s	Python 3	2024-12-09 02:50:22

#	User	Runtime	Language	Date
1	Arnav Sastry	0.09 s	Rust	2021-06-29 06:15:55
2	Alexander Berntsson	0.18 s	Rust	2025-02-18 19:16:31
3	Daniel Anker Hermansen	0.22 s	Rust	2023-10-02 23:29:18
4	Pär Söderhjelm	0.76 s	Rust	2020-08-07 10:41:27
5	Leo Jarhede	0.98 s	Rust	2025-02-21 13:27:11

#	User	Length	Language	Date
1	Ivan Petrov	1281	C	2019-03-27 10:18:21
2	Marcus Larsson	1568	C	2013-02-17 20:06:30
3	Christian Lindeström	1738	C	2016-09-18 00:04:55
4	Andreas Björklund	2315	C	2018-12-01 13:38:39
5	Alexander Bilde Pedersen	3481	C	2024-12-22 02:20:14

#	User	Length	Language	Date
1	Bas te Kolste	3047	C#	2015-11-21 15:14:54

#	User	Length	Language	Date
1	Josenildo Silva	841	C++	2018-06-21 22:15:55
2	Valentino Badalucco	1079	C++	2022-10-29 15:18:13
3	Hidden user	1211	C++	2015-11-21 14:17:46
4	Simone Moretti	1213	C++	2021-11-27 21:56:05
5	Emil Wärnberg	1215	C++	2013-02-20 16:14:42
6	Hidden user	1227	C++	2020-05-24 10:21:19
7	Florian Cliquet	1251	C++	2024-11-24 03:19:53
8	Marc Vinyals	1312	C++	2013-02-17 15:05:09
9	Zac Friggstad	1383	C++	2021-08-05 20:44:41
10	Kelly Dance	1387	C++	2023-01-02 07:55:47

#	User	Length	Language	Date
1	Norbert Voelker	3521	Go	2023-06-21 00:18:07

#	User	Length	Language	Date
1	Evan Dorundo	1699	Java	2015-04-25 21:15:05
2	Jose Daniel Berba	1969	Java	2015-10-31 11:58:04
3	Dimitri Przybylski	2126	Java	2021-05-13 18:16:40
4	Harrison Weigel	2226	Java	2015-04-25 23:47:04
5	Melanie Kirsche	2504	Java	2015-04-25 21:06:02
6	Mehdi Maick	2784	Java	2016-08-12 18:38:58
7	Erik Odenman	2786	Java	2013-02-14 13:03:32
8	HyperPsych	3039	Java	2024-10-27 22:18:11
9	Nick Wu	3310	Java	2016-09-05 22:27:45
10	Gabriel Pita	3531	Java	2015-04-25 23:10:30

#	User	Length	Language	Date
1	Silas Lenz	6019	Kotlin	2019-03-26 16:18:54

#	User	Length	Language	Date
1	Björn Magnusson	1517	Python 2	2021-01-22 17:22:30
2	Fredrik Horn Dannert	1660	Python 2	2021-01-24 16:22:17
3	Maj Stenmark	2743	Python 2	2020-09-20 14:25:41
4	Måns Magnusson	2760	Python 2	2020-09-20 15:08:12
5	Thore Husfeldt	3042	Python 2	2020-09-20 12:59:02

#	User	Length	Language	Date
1	Jorke de Vlas	904	Python 3	2024-02-15 16:11:22
2	Ryan Farrell	998	Python 3	2024-08-08 21:01:03
3	Nicholas Russell Saerang	1006	Python 3	2024-02-12 21:34:00
4	Oskar Haarklou Veileborg	1166	Python 3	2020-05-05 13:20:49
5	Tai Tze Kin	1185	Python 3	2024-02-13 22:02:35
6	Josh Taylor	1376	Python 3	2023-05-29 01:12:52
7	Hidden user	1703	Python 3	2024-10-07 02:32:34
8	Mario Orlando Moisa Candray	1824	Python 3	2025-05-29 22:24:41
9	Thore Husfeldt	1938	Python 3	2020-09-20 17:05:20
10	cindy guzman	2046	Python 3	2024-12-09 08:41:12

#	User	Length	Language	Date
1	Pär Söderhjelm	2068	Rust	2020-08-07 10:41:27
2	Alexander Berntsson	3523	Rust	2025-02-18 18:44:22
3	Arnav Sastry	4138	Rust	2021-06-29 06:15:55
4	Leo Jarhede	4472	Rust	2025-02-21 13:27:11
5	Daniel Anker Hermansen	29350	Rust	2023-10-02 23:29:18

Solution running time distribution