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Root
1428 - Ping pong
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| Total Submissions | Users that tried it | Users that solved it |
| 5093 | 1072 | 912 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 19933031 | Cycatz | 0.020 | C++11 | 2017-08-29 12:30:09 | |
| 2 | 21438400 | 张翼德 | 0.020 | C++11 | 2018-06-07 07:07:46 | |
| 3 | 22053824 | luogu_bot4 | 0.020 | C++ | 2018-10-01 03:50:05 | |
| 4 | 23609089 | 黄汉升 | 0.020 | C++ | 2019-07-17 07:24:42 | |
| 5 | 25361262 | WU Hongyi | 0.020 | C++ | 2020-08-12 03:39:59 | |
| 6 | 26202970 | HsKr233 | 0.020 | C++ | 2021-03-18 15:23:45 | |
| 7 | 26258175 | 周鸿祎 | 0.020 | C++11 | 2021-04-02 22:35:27 | |
| 8 | 26258178 | wumanqiu | 0.020 | C++11 | 2021-04-02 22:35:56 | |
| 9 | 26342993 | 刘强东 | 0.020 | C++ | 2021-04-27 02:00:25 | |
| 10 | 26371057 | ShigureZz | 0.020 | C++ | 2021-05-05 05:42:28 | |
| 11 | 26708130 | 关云长 | 0.020 | C++11 | 2021-08-21 22:41:39 | |
| 12 | 30800481 | 赵子龙 | 0.020 | C++11 | 2025-11-12 10:23:14 | |
| 13 | 30800531 | 贾跃亭 | 0.020 | C++11 | 2025-11-12 10:50:40 | |
| 14 | 16709514 | 李彦宏 | 0.026 | C++ | 2016-01-15 11:21:36 | |
| 15 | 18442801 | 马孟起 | 0.030 | C++ | 2016-12-02 18:55:27 | |
| 16 | 19284162 | Arash Shakery ♥ | 0.030 | C++ | 2017-04-29 09:33:59 | |
| 17 | 19518082 | Lxzy_Zby | 0.030 | C++11 | 2017-06-13 12:11:05 | |
| 18 | 21433254 | 马化腾 | 0.030 | C++ | 2018-06-06 08:38:55 | |
| 19 | 21433657 | luogu_bot3 | 0.030 | C++ | 2018-06-06 09:27:05 | |
| 20 | 21763052 | RedRemilia | 0.030 | C++ | 2018-08-08 06:52:41 | |