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Root
244 - Train Time
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| Total Submissions | Users that tried it | Users that solved it |
| 535 | 129 | 52 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 18658526 | evandrix | 0.000 | C++11 | 2017-01-21 13:04:12 | |
| 2 | 18690090 | yleewei | 0.000 | C++11 | 2017-01-28 18:30:43 | |
| 3 | 24486963 | Anadan (github.com/aaafwd) | 0.000 | C++ | 2020-01-29 23:15:01 | |
| 4 | 30631548 | Von | 0.000 | C++11 | 2025-09-01 07:03:39 | |
| 5 | 17490885 | Qiu Qiu | 0.010 | C++11 | 2016-06-09 14:22:41 | |
| 6 | 28779057 | xiaoqingli | 0.010 | C++11 | 2023-09-19 14:13:59 | |
| 7 | 30493706 | 张翼德 | 0.010 | C++11 | 2025-06-25 09:45:03 | |
| 8 | 30493707 | Heart_Blue | 0.010 | C++11 | 2025-06-25 09:48:07 | |
| 9 | 16103795 | 刘强东 | 0.013 | C++11 | 2015-09-15 06:16:28 | |
| 10 | 16103798 | Fuxey | 0.013 | C++ | 2015-09-15 06:17:41 | |
| 11 | 5934974 | try | 0.020 | C++ | 2007-09-24 01:43:09 | |
| 12 | 7674043 | Krzysztof Stencel | 0.020 | C++ | 2010-01-07 22:34:08 | |
| 13 | 20796688 | suzuki | 0.020 | C++11 | 2018-02-19 09:19:38 | |
| 14 | 5285811 | Bal4u | 0.021 | ANSI C | 2007-01-24 21:54:38 | |
| 15 | 15000581 | CS3233 Dat | 0.022 | C++11 | 2015-02-18 08:04:32 | |
| 16 | 12719824 | Beiyu Li | 0.025 | C++ | 2013-11-23 17:51:21 | |
| 17 | 12057331 | Brian Fry | 0.026 | C++ | 2013-07-17 04:35:41 | |
| 18 | 6578841 | Robert Gerbicz | 0.040 | C++ | 2008-08-07 23:19:50 | |
| 19 | 7182910 | Yashoteja | 0.044 | C++ | 2009-06-09 17:01:38 | |
| 20 | 12888787 | প্রত্যয় মজুমদার | 0.049 | C++ | 2013-12-24 17:42:02 | |