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Root
11972 - Round Trip
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| Total Submissions | Users that tried it | Users that solved it |
| 153 | 54 | 44 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 19711762 | 马孟起 | 0.000 | C++11 | 2017-07-21 11:28:57 | |
| 2 | 8797412 | nehc | 0.008 | ANSI C | 2011-04-30 20:16:31 | |
| 3 | 19711580 | 贾跃亭 | 0.010 | C++11 | 2017-07-21 10:51:59 | |
| 4 | 19712880 | Sayed Ahmad | 0.010 | C++11 | 2017-07-21 15:21:52 | |
| 5 | 22271619 | 赵子龙 | 0.010 | C++11 | 2018-11-08 07:26:35 | |
| 6 | 10329552 | dreamoon | 0.012 | C++ | 2012-07-13 17:28:29 | |
| 7 | 10619683 | 周鸿祎 | 0.016 | C++ | 2012-09-18 14:31:49 | |
| 8 | 10619706 | 关云长 | 0.016 | C++ | 2012-09-18 14:34:00 | |
| 9 | 10620171 | 马化腾 | 0.016 | C++ | 2012-09-18 15:46:13 | |
| 10 | 10623225 | 黄汉升 | 0.016 | C++ | 2012-09-19 11:19:17 | |
| 11 | 10620165 | 张翼德 | 0.020 | C++ | 2012-09-18 15:45:43 | |
| 12 | 11803729 | bryan | 0.022 | C++ | 2013-05-23 06:00:49 | |
| 13 | 12169075 | try | 0.022 | C++ | 2013-08-06 07:43:09 | |
| 14 | 8813652 | Anton Lunyov | 0.028 | C++ | 2011-05-05 14:45:43 | |
| 15 | 8742903 | Krzysztof Stencel | 0.044 | C++ | 2011-04-13 16:27:31 | |
| 16 | 20169644 | Po-Chuan | 0.060 | C++11 | 2017-10-13 11:01:18 | |
| 17 | 9174212 | Pol Mauri | 0.076 | C++ | 2011-08-20 17:17:40 | |
| 18 | 8755016 | LayCurse | 0.092 | ANSI C | 2011-04-17 18:06:28 | |
| 19 | 14460493 | morris821028 | 0.092 | C++ | 2014-11-01 08:50:08 | |
| 20 | 16212269 | M4G!C!4N | 0.103 | C++ | 2015-10-05 12:34:53 | |