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Root
781 - Optimisation
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| Total Submissions | Users that tried it | Users that solved it |
| 157 | 70 | 14 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 15838323 | Shen Yang | 0.302 | C++ | 2015-07-28 05:24:28 | |
| 2 | 13739960 | Brian Fry | 0.319 | C++ | 2014-06-10 23:10:31 | |
| 3 | 13683485 | Krzysztof Stencel | 0.326 | C++ | 2014-05-26 23:35:12 | |
| 4 | 31208143 | Felix Halim | 0.330 | C++11 | 2026-07-11 22:15:19 | |
| 5 | 15839774 | try | 0.347 | C++ | 2015-07-28 10:16:01 | |
| 6 | 31202750 | Qiu Qiu | 0.350 | C++11 | 2026-07-08 14:04:39 | |
| 7 | 31202749 | 马孟起 | 0.360 | C++ | 2026-07-08 14:04:18 | |
| 8 | 29400654 | nehc | 0.460 | C++11 | 2024-04-21 15:27:12 | |
| 9 | 13683430 | Josh Bao | 0.515 | C++ | 2014-05-26 22:55:44 | |
| 10 | 17791740 | Chi-Yung Tse | 0.790 | C++11 | 2016-08-05 14:54:17 | |
| 11 | 8578609 | Skyly Yang | 0.995 | C++ | 2011-02-15 08:39:30 | |
| 12 | 29739537 | crowdforces | 1.010 | C++ | 2024-09-01 10:20:40 | |
| 13 | 8040100 | Omar Harib | 1.429 | C++ | 2010-06-17 08:29:53 | |
| 14 | 28462650 | Rene Argento | 1.780 | JAVA | 2023-05-13 20:03:45 | |