Problem A
Crowd Control — Problem Statistics

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Submissions	1294
Accepted submissions	459
Submission ratio	35.47%
Authors	357
Full solves [?]	316
Full solve Ratio	88.52%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.00 s	C	2019-10-03 10:37:50
2	Kjell Winblad	0.01 s	C	2018-04-18 23:17:35

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-12-24 18:58:28

#	User	Runtime	Language	Date
1	Bjørn Dons	0.07 s	Java	2020-09-23 20:49:22
2	Nick Wu	0.08 s	Java	2017-10-29 18:33:34
3	Elias Moons	0.08 s	Java	2018-03-23 04:06:29
4	Xuehui Chen	0.08 s	Java	2018-07-20 22:39:22
5	Jarik Karsten	0.09 s	Java	2018-09-27 20:54:52
6	André Berge	0.09 s	Java	2018-10-07 20:33:16
7	Måns Magnusson	0.10 s	Java	2017-10-31 14:21:10
8	Ryan Tan	0.10 s	Java	2022-10-31 19:00:20
9	Taras Romanyuk	0.10 s	Java	2025-01-25 00:14:07
10	Alex Lind	0.12 s	Java	2020-02-28 01:43:42

#	User	Runtime	Language	Date
1	Jackson Cooper	0.10 s	JavaScript (Node.js)	2022-10-08 21:56:42

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-11-14 22:43:05

#	User	Runtime	Language	Date
1	Benjamin Ye	0.27 s	Kotlin	2022-10-04 21:11:15
2	Hidden user	0.32 s	Kotlin	2019-12-02 01:49:26

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.01 s	Pascal	2020-03-04 13:42:08

#	User	Runtime	Language	Date
1	Michael Huang	0.05 s	Python 2	2018-03-23 14:38:10
2	Lars Åström	0.06 s	Python 2	2018-04-21 00:46:42
3	Linus Karlsson	0.06 s	Python 2	2019-04-20 20:24:34
4	Sigurður Jens Albertsson	0.07 s	Python 2	2017-11-28 15:02:55
5	Maj Stenmark	0.07 s	Python 2	2018-04-19 22:55:38
6	Jesper Öqvist	0.07 s	Python 2	2018-06-07 14:04:45
7	Asger Hautop Drewsen	0.07 s	Python 2	2018-10-04 19:30:49
8	Oskar Haarklou Veileborg	0.08 s	Python 2	2018-10-05 09:15:38
9	Andreas Björklund	0.08 s	Python 2	2020-08-25 19:28:59
10	Hermon Mulat	0.09 s	Python 2	2019-02-18 20:54:01

#	User	Runtime	Language	Date
1	Harry Smidt	0.03 s	Python 3	2018-09-08 16:46:05
2	Floris Cnossen	0.03 s	Python 3	2019-06-26 17:24:23
3	Can Liu	0.05 s	Python 3	2018-04-24 16:51:24
4	Rob Hochberg	0.06 s	Python 3	2024-11-16 19:34:40
5	Hidden user	0.07 s	Python 3	2020-09-23 13:46:51
6	Ryan Tan	0.07 s	Python 3	2022-07-02 17:09:43
7	Zachary Miller	0.07 s	Python 3	2022-10-11 23:41:09
8	Anikait Mundhra	0.07 s	Python 3	2022-10-18 02:18:40
9	Nicholas Russell Saerang	0.07 s	Python 3	2023-08-04 02:44:14
10	Manon Rustin	0.07 s	Python 3	2025-03-29 19:35:36

#	User	Runtime	Language	Date
1	Joep Jansen	0.00 s	Rust	2021-02-27 13:23:16

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Swift	2024-06-21 11:36:49

#	User	Length	Language	Date
1	Ivan Petrov	2646	C	2019-10-03 10:37:50
2	Kjell Winblad	8027	C	2018-04-18 23:17:35

#	User	Length	Language	Date
1	Andreas Grigorjew	1189	C++	2019-07-08 00:30:45
2	Armen Andreasyan	1198	C++	2024-07-07 19:33:26
3	Johan Wind	1297	C++	2018-05-08 22:25:00
4	Lee Bing Heng	1327	C++	2023-08-24 19:22:53
5	Teikn Smith	1328	C++	2024-05-18 19:40:18
6	Tang Haoyun	1336	C++	2023-08-22 13:44:22
7	Josenildo Silva	1380	C++	2018-05-09 03:44:39
8	Nyamdavaa Amar	1394	C++	2023-08-05 08:28:46
9	กฤษฏิ์ พรไพรินทร์	1404	C++	2017-12-05 06:39:17
10	Hidden user	1423	C++	2023-08-02 18:22:27

#	User	Length	Language	Date
1	Norbert Voelker	6460	Go	2021-12-24 20:12:27

#	User	Length	Language	Date
1	Doug Goodman	1682	Java	2018-07-21 15:06:31
2	Joshua Coward	2590	Java	2020-08-11 19:29:14
3	Crystal Sharpe	2719	Java	2020-06-05 20:23:11
4	Jiru Xu	2726	Java	2017-10-30 23:47:19
5	Måns Magnusson	2774	Java	2017-10-31 14:21:10
6	Nathaniel Lukas Christianto	2843	Java	2023-08-27 09:25:56
7	Quang Long Huynh	2873	Java	2021-08-31 01:11:11
8	Alex Lind	3233	Java	2020-02-28 01:43:42
9	Christian Lebeda	3341	Java	2018-10-14 16:02:04
10	Alin Dondera	3343	Java	2019-09-07 14:29:26

#	User	Length	Language	Date
1	Jackson Cooper	3635	JavaScript (Node.js)	2022-10-08 21:56:42

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1223	JavaScript (SpiderMonkey)	2023-11-14 22:43:05

#	User	Length	Language	Date
1	Benjamin Ye	1521	Kotlin	2022-10-04 21:11:15
2	Hidden user	2263	Kotlin	2019-12-02 01:49:26

#	User	Length	Language	Date
1	Ingemar Ragnemalm	3844	Pascal	2020-03-04 13:42:08

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	761	Python 2	2018-10-05 09:15:38
2	Andreas Björklund	820	Python 2	2020-08-25 19:28:59
3	Asger Hautop Drewsen	859	Python 2	2018-10-04 19:30:49
4	Jesper Öqvist	899	Python 2	2018-06-07 14:04:45
5	Maj Stenmark	955	Python 2	2018-04-19 22:55:38
6	Lars Åström	1039	Python 2	2018-04-21 00:46:42
7	Hermon Mulat	1218	Python 2	2019-02-18 20:54:01
8	Michael Huang	1257	Python 2	2018-03-23 14:38:10
9	Linus Karlsson	2292	Python 2	2019-04-20 20:24:34
10	Sigurður Jens Albertsson	2826	Python 2	2017-11-28 15:02:55

#	User	Length	Language	Date
1	Jeroen Op de Beek	934	Python 3	2024-09-24 01:14:29
2	Sacha De Mulder	940	Python 3	2025-03-31 11:36:31
3	Thomas Draper	964	Python 3	2024-03-08 04:35:35
4	Yilin Wang	1024	Python 3	2022-10-17 18:04:39
5	Hidden user	1026	Python 3	2020-08-12 19:21:22
6	Tsu-Jui Fu	1027	Python 3	2022-10-17 08:45:08
7	Christofer Ohlsson	1078	Python 3	2021-10-03 01:21:55
8	Casper Rysgaard	1119	Python 3	2020-07-09 16:49:26
9	Iman Khodadi	1121	Python 3	2022-12-10 15:12:25
10	Gustav Nilsson Gisleskog	1125	Python 3	2022-05-25 18:32:05

#	User	Length	Language	Date
1	Joep Jansen	10654	Rust	2021-02-27 13:16:14

#	User	Length	Language	Date
1	Hidden user	3561	Swift	2024-06-21 11:36:49

Solution running time distribution