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Root
11915 - Recurrence
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| Total Submissions | Users that tried it | Users that solved it |
| 66 | 45 | 24 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 20192484 | feodorv | 0.060 | ANSI C | 2017-10-17 12:12:28 | |
| 2 | 8559201 | Robert Gerbicz | 0.076 | ANSI C | 2011-02-06 13:11:36 | |
| 3 | 25194025 | Emmett Tsai | 0.090 | ANSI C | 2020-06-29 16:14:49 | |
| 4 | 21859310 | sinewu | 0.110 | C++11 | 2018-08-25 08:23:21 | |
| 5 | 14863679 | Brian Fry | 0.132 | C++ | 2015-01-26 23:27:47 | |
| 6 | 8798437 | Pawel Maciej Gawrychowski | 0.140 | C++ | 2011-05-01 10:32:48 | |
| 7 | 11872144 | 赵子龙 | 0.142 | C++ | 2013-06-07 19:17:11 | |
| 8 | 12662678 | try | 0.142 | C++ | 2013-11-12 07:28:11 | |
| 9 | 11974911 | 贾跃亭 | 0.145 | C++ | 2013-06-29 08:01:07 | |
| 10 | 10963754 | Albert Steiner | 0.200 | ANSI C | 2012-11-30 18:35:34 | |
| 11 | 8588573 | TwT514 | 0.228 | C++ | 2011-02-19 15:34:34 | |
| 12 | 8564497 | Yui Hosaka | 0.272 | C++ | 2011-02-08 13:24:01 | |
| 13 | 8626148 | Krzysztof Stencel | 0.272 | C++ | 2011-03-05 23:47:20 | |
| 14 | 8598430 | seanwu(+1 ironwood branch) | 0.332 | C++ | 2011-02-24 04:53:15 | |
| 15 | 8735979 | Jane Alam Jan | 0.348 | C++ | 2011-04-11 13:28:42 | |
| 16 | 8718313 | Wojciech Śmietanka | 0.376 | C++ | 2011-04-06 15:49:11 | |
| 17 | 24631341 | 马孟起 | 0.410 | C++11 | 2020-02-29 04:23:20 | |
| 18 | 8871604 | Anton Lunyov | 0.556 | C++ | 2011-05-21 22:27:28 | |
| 19 | 8837826 | Igor Yevchinets | 0.564 | C++ | 2011-05-12 21:07:12 | |
| 20 | 8720739 | Anindya Das | 0.596 | C++ | 2011-04-07 09:45:15 | |