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Root
12553 - Countdown
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| Total Submissions | Users that tried it | Users that solved it |
| 574 | 141 | 109 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 21483751 | Guy Avrahami | 0.020 | C++11 | 2018-06-17 17:14:04 | |
| 2 | 19263285 | Gil Ben Shachar | 0.030 | C++11 | 2017-04-26 09:36:39 | |
| 3 | 17298999 | 关云长 | 0.060 | C++ | 2016-05-02 15:09:48 | |
| 4 | 16639833 | M4G!C!4N | 0.115 | C++ | 2015-12-28 10:47:45 | |
| 5 | 31261401 | crowdforces | 0.130 | C++ | 2026-08-20 11:17:56 | |
| 6 | 18694973 | yleewei | 0.180 | C++11 | 2017-01-29 07:13:28 | |
| 7 | 12650018 | Krzysztof Stencel | 0.192 | C++ | 2013-11-09 21:50:44 | |
| 8 | 11713677 | 贾跃亭 | 0.205 | C++ | 2013-05-05 12:45:28 | |
| 9 | 30963819 | danimania | 0.260 | C++11 | 2026-02-08 11:06:19 | |
| 10 | 19232556 | Dean Leitersdorf | 0.270 | C++11 | 2017-04-24 12:44:46 | |
| 11 | 11004575 | Anton Lunyov | 0.272 | C++ | 2012-12-08 18:22:55 | |
| 12 | 19232340 | Daniella Bar Lev | 0.280 | C++11 | 2017-04-24 12:08:19 | |
| 13 | 13649878 | try | 0.369 | C++ | 2014-05-18 14:43:52 | |
| 14 | 19227006 | alex salevich | 0.370 | C++11 | 2017-04-23 13:34:21 | |
| 15 | 31217325 | Felix Halim | 0.390 | C++11 | 2026-07-18 15:22:47 | |
| 16 | 10934043 | LayCurse | 0.400 | ANSI C | 2012-11-24 19:08:00 | |
| 17 | 11712120 | 周鸿祎 | 0.416 | C++ | 2013-05-05 06:12:35 | |
| 18 | 10987061 | Josh Bao | 0.432 | C++ | 2012-12-05 06:40:12 | |
| 19 | 11747418 | evandrix | 0.448 | C++ | 2013-05-11 15:47:35 | |
| 20 | 12265383 | lihuang | 0.462 | C++ | 2013-08-28 17:09:19 | |