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Root
1663 - Purifying Machine
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| Total Submissions | Users that tried it | Users that solved it |
| 1486 | 221 | 194 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 18015081 | 周鸿祎 | 0.000 | C++11 | 2016-09-17 10:00:12 | |
| 2 | 18015084 | 马化腾 | 0.000 | C++11 | 2016-09-17 10:00:34 | |
| 3 | 21978493 | 刘强东 | 0.000 | C++ | 2018-09-18 07:37:35 | |
| 4 | 26102893 | Xiong Junqi | 0.000 | C++ | 2021-02-17 09:51:49 | |
| 5 | 26380719 | 李彦宏 | 0.000 | C++11 | 2021-05-08 06:48:16 | |
| 6 | 26382205 | 贾跃亭 | 0.000 | C++11 | 2021-05-08 15:42:46 | |
| 7 | 16568258 | 张翼德 | 0.009 | C++ | 2015-12-11 12:32:09 | |
| 8 | 16568277 | huge gun | 0.009 | C++ | 2015-12-11 12:37:02 | |
| 9 | 16596935 | 赵子龙 | 0.009 | C++ | 2015-12-17 11:12:01 | |
| 10 | 17985817 | 马孟起 | 0.010 | C++ | 2016-09-11 06:55:02 | |
| 11 | 17989635 | deadhead | 0.010 | C++11 | 2016-09-12 01:44:57 | |
| 12 | 18725799 | yleewei | 0.010 | C++11 | 2017-02-04 15:38:52 | |
| 13 | 18726454 | evandrix | 0.010 | C++11 | 2017-02-04 18:02:49 | |
| 14 | 18783784 | 杨旭 | 0.010 | C++11 | 2017-02-15 17:12:18 | |
| 15 | 18806254 | 关云长 | 0.010 | C++ | 2017-02-19 14:35:22 | |
| 16 | 19903115 | Zzz | 0.010 | C++11 | 2017-08-23 10:00:50 | |
| 17 | 20193126 | JОKER | 0.010 | C++11 | 2017-10-17 13:46:19 | |
| 18 | 20211464 | 黄汉升 | 0.010 | C++11 | 2017-10-20 13:03:09 | |
| 19 | 21070421 | suzuki | 0.010 | C++11 | 2018-04-02 13:44:44 | |
| 20 | 21334911 | Heart_Blue | 0.010 | C++11 | 2018-05-19 05:59:41 | |