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Root
10984 - Double NP-hard
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| Total Submissions | Users that tried it | Users that solved it |
| 1080 | 247 | 145 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 17709300 | 马化腾 | 0.020 | C++11 | 2016-07-21 15:44:34 | |
| 2 | 17954008 | 赵子龙 | 0.020 | C++ | 2016-09-05 08:25:10 | |
| 3 | 17709303 | cbqcc3oyb3xq8 | 0.030 | C++ | 2016-07-21 15:45:06 | |
| 4 | 18607873 | Sacha Bartholmé | 0.030 | C++ | 2017-01-11 18:43:12 | |
| 5 | 18902616 | 马孟起 | 0.030 | C++11 | 2017-03-05 11:53:47 | |
| 6 | 19710955 | 黄汉升 | 0.030 | C++ | 2017-07-21 09:13:19 | |
| 7 | 19718723 | 李彦宏 | 0.030 | C++ | 2017-07-22 13:53:06 | |
| 8 | 20186177 | 周鸿祎 | 0.030 | C++11 | 2017-10-16 12:18:31 | |
| 9 | 21582405 | 刘强东 | 0.030 | C++11 | 2018-07-12 04:13:36 | |
| 10 | 26051083 | Afrina Noor | 0.030 | C++ | 2021-02-02 19:06:00 | |
| 11 | 23667676 | dancooper | 0.040 | C++11 | 2019-07-26 09:10:36 | |
| 12 | 23752922 | nehc | 0.040 | C++11 | 2019-08-11 08:58:39 | |
| 13 | 24211260 | 兔瓦斯 | 0.040 | C++11 | 2019-11-18 10:33:14 | |
| 14 | 24975588 | 贾跃亭 | 0.040 | C++11 | 2020-05-03 18:39:45 | |
| 15 | 24990394 | Grey Peter | 0.040 | C++ | 2020-05-06 22:25:48 | |
| 16 | 26681934 | Afia Humayra | 0.040 | C++ | 2021-08-13 06:06:22 | |
| 17 | 9107136 | winston chiang | 0.060 | C++ | 2011-08-02 10:22:49 | |
| 18 | 26769775 | seed_zero | 0.060 | C++ | 2021-09-13 11:06:26 | |
| 19 | 8718042 | ojdaemon | 0.064 | C++ | 2011-04-06 14:37:05 | |
| 20 | 8818975 | zjj | 0.068 | C++ | 2011-05-07 09:29:15 | |