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Root
12140 - Magic Rings
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| Total Submissions | Users that tried it | Users that solved it |
| 260 | 47 | 31 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 23970307 | 黄汉升 | 0.020 | C++11 | 2019-09-27 15:15:57 | |
| 2 | 23973083 | Hyperhydrochloric Acid | 0.020 | C++11 | 2019-09-28 09:07:32 | |
| 3 | 23969596 | 刘强东 | 0.030 | C++ | 2019-09-27 12:16:35 | |
| 4 | 11500959 | Some coder | 0.048 | C++ | 2013-03-24 14:56:18 | |
| 5 | 18689658 | evandrix | 0.060 | C++11 | 2017-01-28 17:05:45 | |
| 6 | 18693454 | yleewei | 0.060 | C++11 | 2017-01-28 21:51:19 | |
| 7 | 24219320 | 兔瓦斯 | 0.080 | C++11 | 2019-11-20 00:13:10 | |
| 8 | 26614401 | zeed_zero2 | 0.080 | C++ | 2021-07-26 00:24:02 | |
| 9 | 21154972 | Md. Ashraf-ul Asad | 0.090 | C++11 | 2018-04-17 16:50:05 | |
| 10 | 24322724 | suzuki | 0.090 | C++11 | 2019-12-15 15:33:17 | |
| 11 | 13771921 | Shen Yang | 0.102 | C++ | 2014-06-20 11:15:05 | |
| 12 | 13771744 | 马化腾 | 0.149 | C++ | 2014-06-20 10:12:47 | |
| 13 | 15939247 | khatribiru | 0.176 | C++11 | 2015-08-15 08:42:16 | |
| 14 | 15939266 | 李彦宏 | 0.176 | C++11 | 2015-08-15 08:44:15 | |
| 15 | 15474923 | morris821028 | 0.195 | C++ | 2015-05-13 11:19:49 | |
| 16 | 15350636 | Krzysztof Stencel | 0.219 | C++ | 2015-04-19 14:26:15 | |
| 17 | 13783027 | 马孟起 | 0.232 | C++ | 2014-06-23 15:12:58 | |
| 18 | 23973105 | aaaa | 0.240 | C++ | 2019-09-28 09:15:15 | |
| 19 | 12208567 | Neal Zane | 0.319 | C++ | 2013-08-16 08:29:22 | |
| 20 | 13783335 | try | 0.333 | C++ | 2014-06-23 16:22:22 | |